chemical reaction Crossword Puzzles

Metabolism 2023-02-24

Metabolism crossword puzzle
Across
  1. compounds
  2. the study of how organisms manage their energy resources
  3. pathways, consume energy to build complex molecules from simpler ones
  4. of Thermodynamics, During every energy transfer or transformation, energy is conserved
  5. pathways, release energy by breaking down complex molecules into
  6. Reaction, When one or more substances are converted into different
Down
  1. with different properties
  2. the totality of an organism’s chemical reactions
  3. substances that undergo a chemical reaction
  4. substances that are produced by the reaction

10 Clues: compounds • with different properties • substances that undergo a chemical reaction • substances that are produced by the reaction • the totality of an organism’s chemical reactions • the study of how organisms manage their energy resources • pathways, release energy by breaking down complex molecules into • ...

Science Vocab 2023-05-02

Science Vocab crossword puzzle
Across
  1. The singular chemical before combination
  2. Chemical reaction where heat is given off
  3. The unit of energy used by the ISU
  4. Energy transferred from one body to another which a difference in tempature
  5. The standard scientific measure of temperature
  6. the heat that is absorbed when a liquid vaporizes
  7. When heat is directly transmitted to an object
  8. Heat energy
  9. The study of energy changes that occur during chemical reactions
  10. The final result of a combination of chemicals
  11. The energy required to raise the temperature of one gram of a substance by one degree Celsius
  12. Reaction where heat is absorbed
Down
  1. The measure of heat changes
  2. A unit of energy or heat
  3. Energy that comes from a source and travels through space at the speed of light
  4. When the movement of atoms heat up an object
  5. The most common unit of temperature
  6. Melting
  7. Energy of motion

19 Clues: Melting • Heat energy • Energy of motion • A unit of energy or heat • The measure of heat changes • Reaction where heat is absorbed • The unit of energy used by the ISU • The most common unit of temperature • The singular chemical before combination • Chemical reaction where heat is given off • When the movement of atoms heat up an object • ...

Energy 2020-11-11

Energy crossword puzzle
Across
  1. the star in our solar system
  2. plants taking in the sun to grow and produce
  3. combination of kinetic and gravitational potential energy.
  4. This energy is released when a chemical reaction takes place.
  5. anything that moves
  6. when an atom is split by a neutron
  7. whenever you feel a breeze
  8. whenever temperature changes
Down
  1. what fossil fuels are made from
  2. when 2 atoms combine
  3. influenced by the moon
  4. the energy of the sun
  5. powers everything
  6. what we eat
  7. something that occurs because of a catalyst or other object
  8. what herbivores eat
  9. anything you can see
  10. anything you can hear
  11. cannot be destroyed, cannot be created

19 Clues: what we eat • powers everything • what herbivores eat • anything that moves • when 2 atoms combine • anything you can see • the energy of the sun • anything you can hear • influenced by the moon • whenever you feel a breeze • the star in our solar system • whenever temperature changes • what fossil fuels are made from • when an atom is split by a neutron • ...

Angel's Crossword puzzle 2024-05-15

Angel's Crossword puzzle crossword puzzle
Across
  1. kineticenergyofthevibratingandcollidingatomsmakingupasubstance
  2. substancethattakespartinundergoeschangeduringreaction
  3. sciencethatdealswiththeidentificationofthesubstanes
  4. atomsbonedtogethered
  5. productspassthroughhighenergystate
  6. stickingtogetherofparticlesofthesamesubstance
  7. strengthandvitalityequiredorsustainedphysicalormentalactivity
  8. whensomethinggoesfromliquedtosolid
Down
  1. amountofspaceoccupiedbyasampleofmatter
  2. largebodyofmatterwithnodefiniteshape
  3. smallestunitofmatter
  4. cannotbebreakendownintoothersubstanes
  5. reactionsetofacheimaclreactiontoanother
  6. actionperformedorafeelingexperiencedt.
  7. somethingthattakesupspace
  8. physicalcombinationoftwoormoresubstanes
  9. property canbeobservedinacheimcalreaction
  10. kineticenergyofthevibratingandcollidingatomsmakingupasubstance

18 Clues: smallestunitofmatter • atomsbonedtogethered • somethingthattakesupspace • productspassthroughhighenergystate • whensomethinggoesfromliquedtosolid • largebodyofmatterwithnodefiniteshape • cannotbebreakendownintoothersubstanes • amountofspaceoccupiedbyasampleofmatter • actionperformedorafeelingexperiencedt. • reactionsetofacheimaclreactiontoanother • ...

Bases and Acids 2024-05-12

Bases and Acids crossword puzzle
Across
  1. Any atom or group of atoms that bears one or more positive or negative electrical charges
  2. A group of atoms bonded together
  3. The breaking down of complex compounds into simple atoms, molecules or ions
  4. The process in which an atom/molecule acquires a positive/negative charge by losing or gaining electrons
  5. The substances which participate in a chemical reaction
  6. A group of atoms bonded together
  7. A chemical substance that cannot be broken down into other substances by chemical reactions.
  8. A quantity that does not change in amount
  9. Chemical that can DONATE a hydrogen ion/proton
Down
  1. A homogeneous type of mixture of two or more substances
  2. The arrangement, ratio, and type of atoms in molecules of chemical substances
  3. There is no net change in the concentrations of reactants and products
  4. The positively charged particles which are present in the nucleus of an atom
  5. The substances of each element on the created after a reaction
  6. A technique where a solution of known concentration is used to determine the concentration of an unknown solution
  7. A measure of the amount of space that matter occupies
  8. Chemical that ACCEPTS hydrogen ion/proton
  9. If a substance can dissolve in certain fluids
  10. The amount of a substance in a defined space
  11. Another term to use for basic

20 Clues: Another term to use for basic • A group of atoms bonded together • A group of atoms bonded together • Chemical that ACCEPTS hydrogen ion/proton • A quantity that does not change in amount • The amount of a substance in a defined space • If a substance can dissolve in certain fluids • Chemical that can DONATE a hydrogen ion/proton • ...

science 2024-05-01

science crossword puzzle
Across
  1. a small object
  2. the main type of sugar in blood
  3. engry that is transferred bu electromagnetic radiation
  4. a partial of matter that defines a chemical element
  5. a substance that enters into the course of a chemical reaction
Down
  1. a process in which one or more substances that are converted to one or more substances
  2. a reaction which changes to physical properties
  3. a compound word made up of photo which means light and synthesis which means "put together"
  4. a way to represent a chemical reaction
  5. species formed from chemical reactions

10 Clues: a small object • the main type of sugar in blood • a way to represent a chemical reaction • species formed from chemical reactions • a reaction which changes to physical properties • a partial of matter that defines a chemical element • engry that is transferred bu electromagnetic radiation • a substance that enters into the course of a chemical reaction • ...

Vocab 2022-11-30

Vocab crossword puzzle
Across
  1. the force that holds atoms or ions together as a unit
  2. a neutral group of atoms that are joined together by one or more covalent bonds
  3. an atom or group of atoms that has a positive or negative charge
  4. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  5. a chemical bond in which two atoms share a pair of valence electrons
  6. notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  7. a substance that undergoes change in a chemical reaction
  8. new substances formed as a result of a chemical reaction
Down
  1. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  2. bond the attraction between a metal cation and the shared electrons that surround it
  3. the force that holds cations and anions together
  4. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  5. energy the energy stored in chemical bonds

13 Clues: energy the energy stored in chemical bonds • the force that holds cations and anions together • the force that holds atoms or ions together as a unit • a substance that undergoes change in a chemical reaction • new substances formed as a result of a chemical reaction • an atom or group of atoms that has a positive or negative charge • ...

Chemistry Vocab ◇♧ 2024-10-01

Chemistry Vocab ◇♧ crossword puzzle
Across
  1. _____ is the grouping of sublevels
  2. Charge of the nucleus.
  3. Amount of heat absorbed in a reaction
  4. Observation scale that does not require magnification
  5. An ______ is when there is a different number of Nuetrons than Protons
  6. Configuration describe where electrons are located around the nucleus of an atom
  7. Observation that require magnefication
  8. Mesure of average kinetic energy in particles of matter
  9. Invented the Gold Foil experiment to study absorption.
  10. ______ is the chemical reaction in which energy is released
  11. The ___ law of thermodynamics which states that Energy can not be created or destroyed
  12. An _____ is the loss or gain of one or more electrons
  13. Distance between crests on a wave.
Down
  1. An ____ is the intake of energy during a chemical reaction
  2. ______ electrons sit on the outer most rings on an atom
  3. introduced atomic theory. (last name)
  4. _____ is when the warmer part of a gas or liquid rises as the colder parts fall
  5. Study of changes in energy during a chemical reaction
  6. _____ on the periodic table decide how many rings there are on an atom.
  7. ______ is when heat moves through another object through physical contact
  8. ____ energy is in the objects motion
  9. _____ Energy is stored in a system.
  10. flow; Rate of which heat moves from one subject to another.
  11. The capacity to move, do work, change matter, or produce heat
  12. Heat waves are admitted and absorbed through the waves.

25 Clues: Charge of the nucleus. • _____ is the grouping of sublevels • Distance between crests on a wave. • _____ Energy is stored in a system. • ____ energy is in the objects motion • introduced atomic theory. (last name) • Amount of heat absorbed in a reaction • Observation that require magnefication • Observation scale that does not require magnification • ...

Chemistry Vocab 2024-10-01

Chemistry Vocab crossword puzzle
Across
  1. _____ is the grouping of sublevels
  2. Charge of the nucleus.
  3. Amount of heat absorbed in a reaction
  4. Observation scale that does not require magnification
  5. An ______ is when there is a different number of Nuetrons than Protons
  6. Configuration describe where electrons are located around the nucleus of an atom
  7. Observation that require magnefication
  8. Mesure of average kinetic energy in particles of matter
  9. Invented the Gold Foil experiment to study absorption.
  10. ______ is the chemical reaction in which energy is released
  11. The ___ law of thermodynamics which states that Energy can not be created or destroyed
  12. An _____ is the loss or gain of one or more electrons
  13. Distance between crests on a wave.
Down
  1. An ____ is the intake of energy during a chemical reaction
  2. ______ electrons sit on the outer most rings on an atom
  3. introduced atomic theory. (last name)
  4. _____ is when the warmer part of a gas or liquid rises as the colder parts fall
  5. Study of changes in energy during a chemical reaction
  6. _____ on the periodic table decide how many rings there are on an atom.
  7. ______ is when heat moves through another object through physical contact
  8. ____ energy is in the objects motion
  9. _____ Energy is stored in a system.
  10. flow; Rate of which heat moves from one subject to another.
  11. The capacity to move, do work, change matter, or produce heat
  12. Heat waves are admitted and absorbed through the waves.

25 Clues: Charge of the nucleus. • _____ is the grouping of sublevels • Distance between crests on a wave. • _____ Energy is stored in a system. • ____ energy is in the objects motion • introduced atomic theory. (last name) • Amount of heat absorbed in a reaction • Observation that require magnefication • Observation scale that does not require magnification • ...

Unit 1 and 2 vocab 2024-10-04

Unit 1 and 2 vocab crossword puzzle
Across
  1. The study of how heat is involved in chemical reactions.
  2. The amount of heat required to raise the
  3. The distance between successive peaks of a wave.
  4. The energy of moving particles in a substance, related to
  5. The movement of heat from one object or substance to
  6. Atoms of the same element that have different numbers of neutrons.
  7. of a substance by one degree Celsius.
  8. The part of the universe being studied in a chemical reaction.
  9. A measure of the disorder or randomness in a system; higher entropy means more
  10. to another.
  11. A measure of how hot or cold something is.
  12. The central part of an atom containing protons and neutrons.
  13. The process of a substance changing from one state (solid, liquid,
Down
  1. Energy stored in the bonds of a chemical
  2. Negatively charged subatomic particles found in atoms.
  3. A reaction that releases heat.
  4. The total heat content of a system.
  5. The minimum energy needed for a reaction to occur.
  6. A pure substance consisting of only one type of atom.
  7. Positively charged subatomic particles located in the nucleus of an atom.
  8. A reaction that absorbs heat.
  9. A unit of energy used to measure heat.
  10. Neutral subatomic particles that reside in the nucleus of an atom.
  11. A form of energy that can be transferred between objects.
  12. Everything outside of the system being studied.
  13. The number of waves that pass a given point per unit of time.
  14. The smallest unit of life.

27 Clues: to another. • The smallest unit of life. • A reaction that absorbs heat. • A reaction that releases heat. • The total heat content of a system. • of a substance by one degree Celsius. • A unit of energy used to measure heat. • Energy stored in the bonds of a chemical • The amount of heat required to raise the • A measure of how hot or cold something is. • ...

Year 9 revision 2018-05-20

Year 9 revision crossword puzzle
Across
  1. The type of message that is sent along a neuron
  2. The gland sitting ontop of the kidneys that controls 'fight or flight' response
  3. Which part of the body can detect temperature, pressure and pain?
  4. The Law of C......... states that the mass of the products must be equal to the mass of the reactants in a chemical reaction
  5. What are the specialised cells that can respond to stimuli?
  6. Motor neurons send messages to glands or ...
  7. The chemicals that go into a chemical reaction are called
  8. The time when children develop sexual characteristics
  9. In an endothermic reaction heat is taken in our out?
Down
  1. The region of the brain where all of our higher order thinking and planning happens
  2. The part of the nervous system that consists of the brain and spinal cord
  3. Nerves that lead to and from the brain and spinal cord
  4. What is the name given to a change in the body's environment that it can respond to?
  5. What type of messenger is a hormone?
  6. Hormones are produced by
  7. Temperature can be detected by?
  8. The pancreas makes hormones that control the ...levels in our body
  9. Photosynthesis stores energy, whereas .... releases it
  10. A reaction where heat is given out
  11. Hormones travel through the ...
  12. A nerve cell is called a
  13. A type of response used to protect the body from danger
  14. How many different types of neurons are there?

23 Clues: Hormones are produced by • A nerve cell is called a • Temperature can be detected by? • Hormones travel through the ... • A reaction where heat is given out • What type of messenger is a hormone? • Motor neurons send messages to glands or ... • How many different types of neurons are there? • The type of message that is sent along a neuron • ...

Periodic Table Crossword 2014-09-27

Periodic Table Crossword crossword puzzle
Across
  1. neutral charge
  2. table a table that organizes the known elements by order of increasing atomic #
  3. number # of protons in the nucleus of one atom of an element
  4. semi-conductors
  5. little # l indicates the number of atoms of an element
  6. positively charged
  7. formula contains coefficient and subscript
  8. dull,brittle,poor conductors
  9. mass round to mass #
  10. mass # -atomic # = # of neutrons
  11. the smallest unit of an element
  12. numbers # of energy levels
Down
  1. negatively charged
  2. substances we start with in a chemical reaction
  3. the big #;multiply all subscripts by this
  4. new substances created in a reaction
  5. electrons only the electrons in the outer most shell
  6. shiny,ductile,good conductors
  7. atomic # = # of protons= # of electrons
  8. vertical columns

20 Clues: neutral charge • semi-conductors • vertical columns • negatively charged • positively charged • mass round to mass # • numbers # of energy levels • dull,brittle,poor conductors • shiny,ductile,good conductors • the smallest unit of an element • mass # -atomic # = # of neutrons • new substances created in a reaction • atomic # = # of protons= # of electrons • ...

Chp.13 Chemical Reactions Alex Fritsch 2021-11-17

Chp.13 Chemical Reactions Alex Fritsch crossword puzzle
Across
  1. a reaction that releases energy
  2. a reaction with absorption of energy
  3. bases do not ionize completely in water
  4. balanced solution, a perfect 7 on the ph scale
  5. when the reaction and its reverse act at the same rate
  6. bases ionize completely in water
Down
  1. under a 7 on the ph scale
  2. in this chemical reaction it loses a + sign
  3. bond energy is also known as ____
  4. a substance that lowers the activation energy of a chemical reaction

10 Clues: under a 7 on the ph scale • a reaction that releases energy • bases ionize completely in water • bond energy is also known as ____ • a reaction with absorption of energy • bases do not ionize completely in water • in this chemical reaction it loses a + sign • balanced solution, a perfect 7 on the ph scale • when the reaction and its reverse act at the same rate • ...

Science Vocab 2024-01-12

Science Vocab crossword puzzle
Across
  1. A substance produced during a chemical reaction.
  2. The smallest particle of an element; made of electrons, protons, and neutrons.
  3. A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded.
  4. Method or means of changing one or more chemicals or chemical compounds.
Down
  1. The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically.
  2. The process by which one or more substances change to produce one or more different substances.
  3. Materials made from one or more natural substances that undergo a chemical process.
  4. A substance that takes part in and undergoes change during a chemical reaction.
  5. Physical and chemical characteristics of matter used to describe or identify a substance.
  6. An insoluble solid formed from a chemical reaction.

10 Clues: A substance produced during a chemical reaction. • An insoluble solid formed from a chemical reaction. • Method or means of changing one or more chemicals or chemical compounds. • The smallest particle of an element; made of electrons, protons, and neutrons. • A substance that takes part in and undergoes change during a chemical reaction. • ...

Mitchell Gillen-Chapter 13 2020-03-03

Mitchell Gillen-Chapter 13 crossword puzzle
Across
  1. a substance that lowers the activation energy of a chemical reaction
  2. a net release of energy
  3. a net absorption of energy
  4. no atoms are gained or lost during any reaction
  5. when a reaction and its reverse act at the same rate.
  6. clues to indicate a chemical change
Down
  1. if changed, the equilibrium shifts to oppose change, until new equilibrium is reached
  2. the minimum energy required to overcome the initial breaking of bonds in reactants
  3. a chemical that accepts a hydrogen ion, H+
  4. chemical that donates a hydrogenion, H+

10 Clues: a net release of energy • a net absorption of energy • clues to indicate a chemical change • chemical that donates a hydrogenion, H+ • a chemical that accepts a hydrogen ion, H+ • no atoms are gained or lost during any reaction • when a reaction and its reverse act at the same rate. • a substance that lowers the activation energy of a chemical reaction • ...

Unit Vocab 6B 2017-04-06

Unit Vocab 6B crossword puzzle
Across
  1. formula A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound.
  2. a substance that takes part in and undergoes change during a reaction.
  3. An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
  4. all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed.
  5. when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
  6. A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
Down
  1. the result of a chemical reaction.
  2. The noble gasses make a group of chemical elements with similar properties.
  3. A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
  4. when a substance combines with another to form a new substance.
  5. The alkali metals are a group of elements in the periodic table.They are all in the They are extremely reactive.

11 Clues: the result of a chemical reaction. • when a substance combines with another to form a new substance. • a substance that takes part in and undergoes change during a reaction. • The noble gasses make a group of chemical elements with similar properties. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • ...

Chapter 2.8-2.13 2020-07-12

Chapter 2.8-2.13 crossword puzzle
Across
  1. water is _____ dense as a solid than a liquid
  2. transfer of thermal energy from hot to cold bodies of matter
  3. substance dissolved
  4. have an unequal distribution of charges
  5. breaking chemical bonds and making new ones
  6. materials resulting from the chemical reaction
  7. heat must be absorbed to ____ hydrogen bonds
  8. molecules of the same kind sticking together
  9. energy associated with random movement of atoms
  10. how difficult it is to break the surface of liquid
Down
  1. starting materials in a chemical reaction
  2. molecules of different substances sticking together
  3. heat must be _______ when hydrogen bonds form
  4. liquid consisting of a uniform mixture of 2+ substances
  5. measure of intensity of heat (avg speed of molecules)
  6. type of bonds that hold two water molecules together
  7. solution where water is the solvent
  8. dissolving agent

18 Clues: dissolving agent • substance dissolved • solution where water is the solvent • have an unequal distribution of charges • starting materials in a chemical reaction • breaking chemical bonds and making new ones • heat must be absorbed to ____ hydrogen bonds • molecules of the same kind sticking together • heat must be _______ when hydrogen bonds form • ...

Chemical reactions 2026-01-27

Chemical reactions crossword puzzle
Across
  1. speeds up a chemical reaction
  2. dioxide a gas which turns limewater cloudy
  3. means to break down
  4. has the chemical symbol Mg
  5. makes bonds
Down
  1. breaks bonds
  2. means heat
  3. means to add oxygen
  4. An example of a chemical reaction observation
  5. means to burn a fuel in plenty of oxygen

10 Clues: means heat • makes bonds • breaks bonds • means to add oxygen • means to break down • has the chemical symbol Mg • speeds up a chemical reaction • means to burn a fuel in plenty of oxygen • dioxide a gas which turns limewater cloudy • An example of a chemical reaction observation

Biochemistry Crossword 2023-05-05

Biochemistry Crossword crossword puzzle
Across
  1. action when water is pulled upward against gravity inside the xylem of a plant stem.
  2. a type of macromolecule for quick energy source and part of plant cell walls
  3. has a low pH (less than 7)
  4. water sticks to other water molecules.
  5. water molecules can float lightweight objects like a paper clip due to this property.
  6. has a high pH (more than 7)
  7. what is produced in a chemical reaction; on the right of the arrow
  8. the place on an enzyme where the substrate and enzyme connect
  9. a type of macromolecule used for ong term energy source and insulation
  10. water has a high heat of ______ because it takes a lot of heat to change phase from liquid to gas.
Down
  1. water sticks to glass or other materials.
  2. weak _____ bonds hold one water molecule to another
  3. proteins that catalyze chemical reactions by lowering the activation energy of a reaction.
  4. what goes into a chemical reaction; on the left of arrow
  5. a type of macromolecule that is used in transport, defense and to control chemical reactions.
  6. a type of macromolecule that holds genetic information that controls the cell
  7. the property that means water can act like a magnet with + and - ends.
  8. solvent water dissolves most other polar substances like salt and sugar.
  9. strong ______ bonds hold the H to the O inside one water molecule.

19 Clues: has a low pH (less than 7) • has a high pH (more than 7) • water sticks to other water molecules. • water sticks to glass or other materials. • weak _____ bonds hold one water molecule to another • what goes into a chemical reaction; on the left of arrow • the place on an enzyme where the substrate and enzyme connect • ...

Photosynthesis and Respiration 2016-01-14

Photosynthesis and Respiration crossword puzzle
Across
  1. Do not have chloroplasts
  2. O2
  3. Three phosphate groups, chemical is stored in the bonds between hosphate groups
  4. Organelle where respiration takes place
  5. dioxide CO2
  6. Organelle where photosynthesis takes place
  7. C6H12O6
  8. Have both mitochondria and chloroplasts
Down
  1. A living thing that gets food by consuming, or eating, other living things
  2. A living thing that can capture energy from sunlight or chemicals to make its own food
  3. The process by which plants and other autotrophs use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates
  4. The elements or compounds that enter into a chemical reaction
  5. H2O
  6. The elements or compounds produced by a chemical reaction
  7. Two phosphate groups, energy is released when the chemical bond between phosphate groups is broken

15 Clues: O2 • H2O • C6H12O6 • dioxide CO2 • Do not have chloroplasts • Organelle where respiration takes place • Have both mitochondria and chloroplasts • Organelle where photosynthesis takes place • The elements or compounds produced by a chemical reaction • The elements or compounds that enter into a chemical reaction • ...

SciCross 2024-09-16

SciCross crossword puzzle
Across
  1. Opening in a camera lens controlling light
  2. Theory describing balance between fundamental particles
  3. Cellular process of creating RNA from DNA
  4. Tiny organism; bacterium or fungus can also be called ?
  5. Compound formed from a reaction between an amine and a carbonyl group
Down
  1. Particles that settle at the bottom of a liquid, forming layers over time
  2. Study of the earth’s chemical composition and processes
  3. Process of combining simpler substances into more complex ones
  4. Resistance of a system to change or disruption
  5. Industrial device where chemical reactions occur
  6. Chemical reaction where electrons are lost
  7. Complete set of genetic material in an organism
  8. Molecule that transmits genetic information from DNA
  9. Central core of an atom containing protons and neutrons
  10. Chemical structure made from two or more molecules or ions bonded together

15 Clues: Cellular process of creating RNA from DNA • Opening in a camera lens controlling light • Chemical reaction where electrons are lost • Resistance of a system to change or disruption • Complete set of genetic material in an organism • Industrial device where chemical reactions occur • Molecule that transmits genetic information from DNA • ...

Matter unit 2024-04-19

Matter unit crossword puzzle
Across
  1. - A substance or molecule that participates in a chemical reaction
  2. - A term used to describe a material that can be pulled out into a long wire.
  3. - flexible; can be shaped;Can be pounded into a shape
  4. - A substance produced in a chemical reaction
  5. of conservation of mass - The principle that the total amount of matter is constant during any physical or chemical change (matter is neither created nor destroyed during these types of changes).
Down
  1. - A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  2. reaction - A change in which one or more substances are converted into new substances.
  3. equation - A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  4. - The "" sign in a chemical reaction; means to make or produce.
  5. - A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound

10 Clues: - A substance produced in a chemical reaction • - flexible; can be shaped;Can be pounded into a shape • - The "" sign in a chemical reaction; means to make or produce. • - A substance or molecule that participates in a chemical reaction • - A term used to describe a material that can be pulled out into a long wire. • ...

Biology Crossword Puzzle 2023-09-15

Biology Crossword Puzzle crossword puzzle
Across
  1. ATP, DNA, RNA. Store and transmit hereditary, or genetic info
  2. Elements or compounds that are produced by a chemical reaction
  3. 5-carbon sugar, phosphate group, nitrogenous base
  4. amino group on one end and a carboxyl group on the other
  5. Fats
  6. Attraction between a hydrogen atom with a partial negative charge and a partial positive charge
  7. Contains a high concentration of H+ ions
  8. The amount of energy needed to raise its temperature by making its molecules move faster
  9. Your Biological Catalyst
  10. Are made from joined together monomers
  11. Legos. Your smaller units
  12. Mixtures of water and nondissolved materials
  13. Your large organic molecules found in living things
Down
  1. Amount of energy needed to get a reaction started
  2. Macromolecules containing nitrogen as well C, H, and O. Are your enzymes most of the time
  3. Sugars. Store and release energy
  4. The reactants in enzyme catalyzed reactions
  5. Attraction between molecules of different substances
  6. Elements or compounds that engage in a chemical reaction
  7. 0-14
  8. Attraction between molecules of the same substance
  9. How we manage or control pH
  10. Process that changes, or transforms, one set of compounds into another
  11. The substance that is dissolved
  12. Contains a lower concentration of H+ ions
  13. Something that speeds up the rate of a chemical reaction by lowering the activation energy
  14. When ions gradually become dispersed in water forming a type of mixture where all component are evenly distributed
  15. Substance in which the solute dissolves

28 Clues: Fats • 0-14 • Your Biological Catalyst • Legos. Your smaller units • How we manage or control pH • The substance that is dissolved • Sugars. Store and release energy • Are made from joined together monomers • Substance in which the solute dissolves • Contains a high concentration of H+ ions • Contains a lower concentration of H+ ions • The reactants in enzyme catalyzed reactions • ...

Cellular Energy 2023-10-15

Cellular Energy crossword puzzle
Across
  1. the formation/production of chemical compounds by a reaction from simpler materials.
  2. the process of changing energy from one form to another.
  3. the breakdown of sugar molecules to produce energy without the presence of oxygen.
  4. the production of a more complex chemical compound by combining two or more simpler chemicals.
  5. the substance that the enzyme reacts upon.
  6. organelle found within the cell of plants and other photosynthetic eukaryotes that is filled with chlorophyll.
  7. organelle in which respiration and energy production occur.
  8. the breaking down of sugar molecules into simpler compounds to produce substances that can be used in making chemical energy.
Down
  1. one of the major groups of biomolecules; they are energy-rich organic compounds.
  2. the production of glucose and oxygen using carbon dioxide, water, and sunlight.
  3. the process of generating energy in the process of oxygen
  4. a biomolecule (can be either protein or RNA) that acts as a catalyst to speed up specific chemical reactions.
  5. the green pigment found in plants.
  6. breaks down glucose and oxygen to form carbon dioxide and energy in the form of ATP.
  7. a substance capable of initiating or speeding up a chemical reaction.
  8. the minimum amount of energy which the reactants must possess in order to undergo a specified reaction.
  9. a process in which a molecular structure changes from its original state.

17 Clues: the green pigment found in plants. • the substance that the enzyme reacts upon. • the process of changing energy from one form to another. • the process of generating energy in the process of oxygen • organelle in which respiration and energy production occur. • a substance capable of initiating or speeding up a chemical reaction. • ...

Crossword Puzzle Chapter 2 2023-09-20

Crossword Puzzle Chapter 2 crossword puzzle
Across
  1. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation
  2. The building block of matter; the smallest possible particle of an element
  3. An attraction between two atoms as a result of sharing or transferring valence electrons
  4. A change in a substance that results in one or more new substances being formed having different physical and chemical properties than those of the original substance
  5. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
  6. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent
  7. A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution
  8. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things
  9. The substances formed during a chemical reaction, usually indicated on the right side of a chemical equation
  10. The tendency of energy to disperse and become less available to do work
  11. A change in a substance that does not change the identity of the substance
  12. A measurement of the average speed of the particles within a substance
  13. An organic compound comprised of the elements carbon, hydrogen, and oxygen
  14. A naturally occurring catalyst, usually a protein
  15. The smallest particle of a covalently bonded compound
  16. A class of organic compounds that serve as the building blocks of proteins
Down
  1. A pure substance made from two or more elements that are chemically combined
  2. The attraction of particles in one substance for particles in a different substance
  3. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes
  4. The attraction between like particles within polar substances
  5. A substance that can produce hydrogen ions (H+) in solution
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction
  7. A pure substance made of only one kind of atom
  8. A class of simple organic compounds important in living things as a source of both energy and structure
  9. The ability to do work
  10. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of the molecule having negative charge while others are positive
  11. A covalently bonded compound containing the element carbon
  12. The physical stuff that makes up the universe. Anything that occupies space and has mass
  13. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA

29 Clues: The ability to do work • A pure substance made of only one kind of atom • A naturally occurring catalyst, usually a protein • The smallest particle of a covalently bonded compound • A covalently bonded compound containing the element carbon • A substance that can produce hydrogen ions (H+) in solution • The attraction between like particles within polar substances • ...

Christmas Chemistry Crossword Puzzlw 2025-12-08

Christmas Chemistry Crossword Puzzlw crossword puzzle
Across
  1. Equation^ A chemical equation that shows the same number of atoms for each element on both sides of the arrow
  2. Reaction where two or more substances combine to form a more complex substance
  3. An insoluble solid that separates from a solution during a double replacement reaction
  4. Replacement^Reaction where one element swaps places with another element in a compound; sometimes called single displacement
  5. A rapid reaction between a substance and an oxidant, usually oxygen, producing heat and light
Down
  1. Formula^ Uses symbols and subscripts to show the elements and number of atoms in a compound
  2. Replacement^Reaction where two ionic compounds exchange ions to form two new compounds; often forms a precipitate
  3. The substances that are formed as a result of a chemical change, written on the right side of the arrow
  4. Reaction where a single compound breaks down into two or more simpler substances
  5. The starting materials in a chemical reaction, written on the left side of the arrow

10 Clues: Reaction where two or more substances combine to form a more complex substance • Reaction where a single compound breaks down into two or more simpler substances • The starting materials in a chemical reaction, written on the left side of the arrow • An insoluble solid that separates from a solution during a double replacement reaction • ...

Chemical Equations 2024-04-23

Chemical Equations crossword puzzle
Across
  1. a body of matter
  2. the basic unit of a chemical element
  3. before chemical reaction
  4. equal sign in chemical equations
  5. atoms can never be
  6. after chemical reaction
Down
  1. abbreviation for Law of Conservation of Mass
  2. atoms can never be
  3. different on either side
  4. equal on both sides

10 Clues: a body of matter • atoms can never be • atoms can never be • equal on both sides • after chemical reaction • different on either side • before chemical reaction • equal sign in chemical equations • the basic unit of a chemical element • abbreviation for Law of Conservation of Mass

Water Crossword - Spring 2014 2014-03-03

Water Crossword - Spring 2014 crossword puzzle
Across
  1. A microrganism that is commonly found in untreated surface water and can be removed by filtration. It is resistant to disinfectants such as chlorine.
  2. Chains of organic molecules produced by the joining of primary units called monomers.
  3. A spillover device used to measure or control the amount of water flowing through a treatment process or an aqueduct.
  4. An insoluble reaction product; in an aqueous chemical reaction, usually a crystalline compound that grows in size to become settleable.
  5. Periods of time when there isn't any rain or precipitation.
  6. The name for a well that is drilled into a confined aquifer in which water is under pressure and pushes to the surface without a pump.
  7. A barrier, usually thin, that permits the passage only of particles up to a certain size or of specific nature.
  8. A process for killing pathogenic organisms by heat applied for a critical period of time.
  9. The precipitate that forms on surfaces in contact with water as the result of a physical or chemical change.
  10. The process of agglomerating coagulated particles into settable flocs, usually of a gelatinous nature.
  11. Any inorganic or fossilized organic material having a definite chemical composition and structure found in a natural state.
  12. Physical adhesion of molecules or colloids to the surfaces of solids without chemical reaction.
  13. When a vapor or gas changes into a liquid.
  14. A layer of gravel, sand, and limestone, in which water passes through, fills up, and is stored.
Down
  1. Assimilation of molecules or other substances into the physical structure of a liquid or a solid without chemical reaction.
  2. A water cycle stage where water turns to gaseous form.
  3. Type of bacteria found in the intestinal tract of warm blooded animals and used as indicators of pollution if found in water
  4. A chemical reaction that produces a resulting environment that is neither acidic nor alkaline.
  5. A device that introduces compressed air into a liquid; used to strip dissolved volatile organic compounds and to facilitate aerobic biodegradation of organic compounds.
  6. A man-made passageway that carries water from one place to another.
  7. The process of separating solids from a liquid by means of a porous substance through which only the liquid passes.
  8. Cylindrical metal or plastic tubes that are used to transport water from one place to another.
  9. The area of land that drains into a river, lake, stream, bay, or other body of water.

23 Clues: When a vapor or gas changes into a liquid. • A water cycle stage where water turns to gaseous form. • Periods of time when there isn't any rain or precipitation. • A man-made passageway that carries water from one place to another. • Chains of organic molecules produced by the joining of primary units called monomers. • ...

Basic Chemistry 2024-09-24

Basic Chemistry crossword puzzle
Across
  1. - A solution that resists pH changes.
  2. - Hydrophobic molecules, including fats and oils.
  3. - A lipid involved in cell membrane structure.
  4. Reaction - A reaction where parts of two compounds exchange places.
  5. - The basic unit of a chemical element.
  6. - Deoxyribonucleic acid, the molecule of heredity.
  7. - Ribonucleic acid, involved in protein synthesis.
  8. - An atom or molecule with a net electric charge.
  9. - A substance that dissolves a solute.
  10. - A scale measuring acidity or alkalinity.
  11. - A substance that speeds up a reaction without being consumed.
  12. - A reaction that joins two molecules and releases water.
  13. - Organic compounds used for energy.
  14. - A structural carbohydrate in plant cell walls.
  15. - The gain of electrons by an atom or molecule.
  16. - A stored form of glucose in animals.
  17. - Attracted to water.
  18. - The maintenance of a stable internal environment.
  19. - A molecule that prevents oxidative damage.
  20. - The loss of electrons from an atom or molecule.
  21. - The breakdown of a compound into smaller parts.
  22. - A substance that provides nourishment essential for growth and the maintenance of life.
  23. - A positively charged ion.
  24. - A chemical process that splits a molecule by adding water.
Down
  1. - Fats with no double bonds in fatty acids.
  2. - Variants of an element with the same number of protons but different neutrons.
  3. - The breaking-down phase of metabolism.
  4. - A macromolecule made of amino acids.
  5. Reaction - A process that leads to the transformation of one set of chemical substances to another.
  6. Radical - An atom or molecule with an unpaired electron, which can cause damage to cells.
  7. - Fats with one or more double bonds.
  8. - Repellent to water.
  9. - The building-up phase of metabolism.
  10. - The building block of nucleic acids.
  11. Group - A specific group of atoms within a molecule responsible for its characteristic properties.
  12. - The substance dissolved in a solution.
  13. - A negatively charged ion.
  14. - A group of atoms bonded together.
  15. - The sum of all chemical reactions in the body.
  16. Acid - The building blocks of proteins.
  17. - The reactant on which an enzyme acts.
  18. - A type of lipid with a four-ring structure.
  19. - A protein that accelerates chemical reactions.
  20. - A segment of DNA that encodes for a specific protein or function.
  21. Bond - A weak bond between polar molecules.
  22. - A bond formed through the transfer of electrons.
  23. - A bond formed by the sharing of electrons.
  24. - The process of combining smaller components to form a larger molecule.
  25. - A molecule’s distribution of charge.
  26. - Adenosine triphosphate, the energy currency of cells.

50 Clues: - Repellent to water. • - Attracted to water. • - A negatively charged ion. • - A positively charged ion. • - A group of atoms bonded together. • - Organic compounds used for energy. • - A solution that resists pH changes. • - Fats with one or more double bonds. • - A macromolecule made of amino acids. • - The building-up phase of metabolism. • ...

Hon Chem Spring Vocab Part 2 2025-05-13

Hon Chem Spring Vocab Part 2 crossword puzzle
Across
  1. A reaction involving the exchange of electrons
  2. Ability of a substance to form a solution with another substance
  3. Adding a known amount of solution of a known concentration to determine concentration of another solution
  4. The negative log of the hydroxide-ion concentration
  5. A chemical reaction in which an acid and base react with one another to produce water and a salt solution
  6. Equation showing just the oxidation or reduction that takes place in a redox
  7. Method used to obtain an approximate pH value based on the presence of ion that have dissociated
  8. A chemical substance that releases H+ ions in aqueous solutions
  9. The reactant that is not completely used up
  10. When the number of moles of hydrogen ions is equal to the number of moles of hydroxide ions
  11. A conversion factor derived from the coefficients of a balanced equation
  12. The negative log of the hydrogen-ion concentration
  13. Particle formed when a base gains a hydrogen ion
  14. Reactant that determines the amount of product that can be formed
  15. Reduces the number of moles of solute per unit of volume, but does not change the number of moles
  16. The minor component in an aqueous solution that it is not affected when the solution is diluted (the Kool-Aid)
  17. Positive or negative number assigned to an atom to indicate its degree of oxidation or reduction
Down
  1. Measure of efficiency of a reaction (how good you did)
  2. Complete or partial gain of electrons
  3. Particle formed when an acid donates a hydrogen ion
  4. Electrochemical cell used to convert chemical energy into electrical energy
  5. Connects two half cells in a voltaic cell and is essential to its functionality
  6. The breaking apart of an ionic compound into its associated ions in an aqueous solution
  7. Only slightly ionizes in aqueous solutions
  8. Completely ionizes in aqueous solutions
  9. The calculation of quantities in chemical reactions
  10. The major component in a solution that does the “dissolving”
  11. An equation that only shows particles directly involved in the chemical reaction
  12. Complete or partial loss of electrons
  13. A chemical substance that accepts H+ ions in aqueous solutions
  14. The amount of product formed when carried out in the laboratory
  15. Measurement of concentration, or strength, of a solution
  16. Electrode where oxidation occurs
  17. Electrode where reduction occurs
  18. An ion not directly involved in a reaction
  19. Calculated amount of product that can be formed

36 Clues: Electrode where oxidation occurs • Electrode where reduction occurs • Complete or partial gain of electrons • Complete or partial loss of electrons • Completely ionizes in aqueous solutions • Only slightly ionizes in aqueous solutions • An ion not directly involved in a reaction • The reactant that is not completely used up • A reaction involving the exchange of electrons • ...

Chemical Equations 2024-04-23

Chemical Equations crossword puzzle
Across
  1. a body of matter
  2. the basic unit of a chemical element
  3. before chemical reaction
  4. equal sign in chemical equations
  5. atoms can never be
  6. after chemical reaction
Down
  1. abbreviation for Law of Conservation of Mass
  2. atoms can never be
  3. different on either side
  4. equal on both sides

10 Clues: a body of matter • atoms can never be • atoms can never be • equal on both sides • after chemical reaction • different on either side • before chemical reaction • equal sign in chemical equations • the basic unit of a chemical element • abbreviation for Law of Conservation of Mass

Chemical Equations 2024-04-23

Chemical Equations crossword puzzle
Across
  1. a body of matter
  2. the basic unit of a chemical element
  3. before chemical reaction
  4. equal sign in chemical equations
  5. atoms can never be
  6. after chemical reaction
Down
  1. abbreviation for Law of Conservation of Mass
  2. atoms can never be
  3. different on either side
  4. equal on both sides

10 Clues: a body of matter • atoms can never be • atoms can never be • equal on both sides • after chemical reaction • different on either side • before chemical reaction • equal sign in chemical equations • the basic unit of a chemical element • abbreviation for Law of Conservation of Mass

Mataya caldwell, 9/23/24, SCIE 311 B, Vocab Puzzle chap2 2024-09-23

Mataya caldwell, 9/23/24, SCIE 311 B, Vocab Puzzle chap2 crossword puzzle
Across
  1. change in a substance that does not change the identity of the substance.
  2. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  3. the tendancy of energy to disperse and become less available to do work.
  4. proccess by which one substance the solute,is broken up into smaller pieces by and distributed within a second substance, the solvent.
  5. smallest patricles of a covalently bonded compound.
  6. naturally occuring catalyst, usually a protein.
  7. physical stuff that makes up the universe.
  8. The attraction of particles in one substance for particles in a different substance.
  9. the ability to do work; driver of the physical and chemical proccesses necessary for life.
  10. The attraction between like particles within polar substances.
  11. a pure substance made from two or more elements that are chemically combined.
  12. substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  13. substances that is present before a chemical reaction and takes part in it, usually shown on the lefthand side of it.
  14. A class of organic compounds that serve as the building blocks of proteins.
  15. qaulity of molecules having an uneven distribution of electrical charge which results in some regions of a molecule having negative charge while others have positive.
Down
  1. proccess by which particles in solution are evenly distributed throughout the solvent by brownian motion
  2. change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  3. a measurement of the average speed of the particles in a sustance.
  4. substance that changes the rate of chemical reaction but is not itself used up or affected by the reaction.
  5. substances formed during a chemical reaction, usually indicated on the righthand side of a chemical equation.
  6. attraction between two atoms as a result of sharing or transferring valence electrons.
  7. pure substance made up of only one kind of atom
  8. substance that can produce hydrogen ions in solution
  9. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  10. A class of simple organic compounds important in living things as a source of both energy and structure.
  11. A covalently bonded compound containing the element carbon.
  12. substance that can produce hydroxide ions or accept hydrogen ions in solution.
  13. building block of matter;smallest possible particle of an element
  14. organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose

29 Clues: physical stuff that makes up the universe. • naturally occuring catalyst, usually a protein. • pure substance made up of only one kind of atom • smallest patricles of a covalently bonded compound. • substance that can produce hydrogen ions in solution • A covalently bonded compound containing the element carbon. • ...

Chemical Reactions and Photosynthesis 2025-12-16

Chemical Reactions and Photosynthesis crossword puzzle
Across
  1. enzyme that breaks apart hydrogen peroxide
  2. the primary source of energy
  3. a substance at the end of a reaction
  4. other feeding
  5. 6 CO2
  6. a protein that helps speed up chemical reactions
  7. acid or base that can change the shape of an enzyme
  8. self-feeding
  9. when the starting atoms get rearranged into a new substance
Down
  1. another term for reactant
  2. C6H12O6
  3. organelle that performs photosynthesis
  4. using light to make high energy glucose molecules
  5. contains both hydrogen and carbon atoms
  6. the pocket of an enzyme where the substrate fits
  7. can change the shape of an enzyme
  8. a substance at the beginning of a reaction
  9. 6 H2O
  10. the reaction arrow
  11. 6 O2

20 Clues: 6 O2 • 6 H2O • 6 CO2 • C6H12O6 • self-feeding • other feeding • the reaction arrow • another term for reactant • the primary source of energy • can change the shape of an enzyme • a substance at the end of a reaction • organelle that performs photosynthesis • contains both hydrogen and carbon atoms • enzyme that breaks apart hydrogen peroxide • a substance at the beginning of a reaction • ...

Science by Jake Hawes 2013-09-19

Science by Jake Hawes crossword puzzle
Across
  1. A common indicator that turns red in the presence of an acid and blue in the presence of a base
  2. ion released by acids
  3. A common name for sodium Chloride
  4. a chemical that changes colour for Acids, Bases and Neutral
  5. a solution made of a base/alkali and water
  6. A process in which chemicals move
  7. A biological Catalyst
  8. A green chemical found in chloroplasts
  9. A substance that releases hydroxide ions
  10. Rain that is acid
  11. A chemical reaction in which glucose is breakdown
Down
  1. A sugar formed by photosynthesis
  2. Single celled organism that lives in water
  3. A base which dissolves in water
  4. ion released by a Base
  5. A Substance that releases hydrogen ions
  6. A reaction of an acid with a base
  7. A scale used to measure the concentration of H+ ions in a solution
  8. A term used to describe materials that store carbon in there structures

19 Clues: Rain that is acid • ion released by acids • A biological Catalyst • ion released by a Base • A base which dissolves in water • A sugar formed by photosynthesis • A common name for sodium Chloride • A reaction of an acid with a base • A process in which chemicals move • A green chemical found in chloroplasts • A Substance that releases hydrogen ions • ...

Chapter 13 Crossword Ellie Johnson 2020-02-18

Chapter 13 Crossword Ellie Johnson crossword puzzle
Across
  1. A chemical that accepts a hydrogen ion.
  2. Substances that lower the activation energy of a chemical reaction. This allows the reaction to proceed at a faster rate.
  3. The amount of energy required to pull two bonded atoms apart.
  4. If changed, the equilibrium shifts to oppose change, until a new equilibrium is reached.
  5. A reaction in which there is a release of energy.
  6. A chemical that donates a hydrogen ion.
Down
  1. Law that states no atoms are gained or lost during any reaction.
  2. How quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  3. Happens when reaction and its reverse acts at the same rate.
  4. A reaction in which there is absorption or gain of energy.

10 Clues: A chemical that accepts a hydrogen ion. • A chemical that donates a hydrogen ion. • A reaction in which there is a release of energy. • A reaction in which there is absorption or gain of energy. • Happens when reaction and its reverse acts at the same rate. • The amount of energy required to pull two bonded atoms apart. • ...

Enzyme Crossword 2022-08-30

Enzyme Crossword crossword puzzle
Across
  1. slows down or stop a reaction from taking place
  2. the main energy of a cell
  3. is the new substance created from the combining of the reactants in a chemical equation
  4. the amount of energy needed to start a chemical reaction
  5. a molecule that an enzyme reacts with, but for the reaction to successfully take place, this molecule must perfectly fit the Active Site of the Enzyme.
Down
  1. the ability to do work
  2. an enzyme is classified as this biomolecule
  3. speeds up a reaction while lowering the activation energy needed to start the reaction
  4. the specific site where the substrate has to successfully bind to on the enzyme for a chemical reaction to occur
  5. a special protein called a catalyst

10 Clues: the ability to do work • the main energy of a cell • a special protein called a catalyst • an enzyme is classified as this biomolecule • slows down or stop a reaction from taking place • the amount of energy needed to start a chemical reaction • speeds up a reaction while lowering the activation energy needed to start the reaction • ...

Chemistry exam 2022-06-02

Chemistry exam crossword puzzle
Across
  1. chemical element that generally lacks chemical properties
  2. extra quantities
  3. matter cannot be created or destroyed, but it can change forms
  4. a substance that enters into and is altered in the course of a chemical reaction.
  5. A number placed in front of a formula to balance a chemical equation
Down
  1. chemical formula that has an equal amount of each element on the left and right sides.
  2. Before-change-after table
  3. substance produced at the end of the reaction
  4. A conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balked equation
  5. elements on the periodic table that are malleable and looses electrons easily.

10 Clues: extra quantities • Before-change-after table • substance produced at the end of the reaction • chemical element that generally lacks chemical properties • matter cannot be created or destroyed, but it can change forms • A number placed in front of a formula to balance a chemical equation • ...

Chapter 3 Vocab Crossword 2019-04-02

Chapter 3 Vocab Crossword crossword puzzle
Across
  1. What is left after the enzyme binds with the substrate
  2. A molecule which speeds up a chemical reaction
  3. The inhibitor can bind to the enzyme without preventing the substrate from binding, lowers the enzyme's efficiency
  4. A region on an enzyme that binds to a protein or other substance during a reaction.
  5. The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening
  6. Protein molecules that act as biological catalysts
  7. Something which prevents an enzyme from working in the normal manner
  8. The reaction product inhibits the enzyme activity
  9. An enzyme inhibitor which does not prevent the enzyme from functioning properly permanently
  10. The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration
  11. A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
  12. Operating outside of the cell
  13. The maximum rate of reaction when the enzyme is saturated with substrate
  14. An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions
  15. Operating within the cell
Down
  1. The binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity
  2. To prevent an enzyme from working in the normal manner
  3. The minimum energy required to allow a certain chemical reaction to occur
  4. A measure of how acidic or basic something is on a scale of 1-14 with 1 being most acidic, 7 being neutral, and 14 being most basic
  5. The intermediate formed when a substrate interacts with the active site of an enzyme
  6. The temperature at which any specific reaction or process is best carried out
  7. To alter the structure of a protein by breaking bonds
  8. The pH level at which a specific enzyme can work most effectively
  9. The substance on which an enzyme acts

24 Clues: Operating within the cell • Operating outside of the cell • The substance on which an enzyme acts • A molecule which speeds up a chemical reaction • The reaction product inhibits the enzyme activity • Protein molecules that act as biological catalysts • To alter the structure of a protein by breaking bonds • To prevent an enzyme from working in the normal manner • ...

ENERGY CHANGES - Sec 2 2021-03-23

ENERGY CHANGES - Sec 2 crossword puzzle
Across
  1. is another term for burning
  2. In an endothermic reaction, this property of a substance decreases.
  3. magnesium + _______ --> magnesium oxide
  4. chemical reactions in heat is taken from the surroundings and is stored as chemical energy
  5. hydrogen + oxygen --> __________
Down
  1. ________ + water --> calcium hydroxide
  2. carbon + oxygen --> __________
  3. a chemical reaction in which energy is given out and temperature rises
  4. any reaction where a substance combines with oxygen
  5. In burning, this is a substance that combines with oxygen.

10 Clues: is another term for burning • carbon + oxygen --> __________ • hydrogen + oxygen --> __________ • ________ + water --> calcium hydroxide • magnesium + _______ --> magnesium oxide • any reaction where a substance combines with oxygen • In burning, this is a substance that combines with oxygen. • In an endothermic reaction, this property of a substance decreases. • ...

50 2025-11-30

50 crossword puzzle
Across
  1. Study of chemicals derived from petroleum
  2. Graph showing reaction energy progress
  3. Unsaturated hydrocarbon with double bonds
  4. Time for half substance to react or decay
  5. Saturated hydrocarbon with single bonds
  6. Mathematical relation of rate and concentration
  7. Unsaturated hydrocarbon with triple bonds
  8. Rate proportional to one reactant
  9. Light-induced acceleration of reaction
Down
  1. Separation of crude oil by boiling points
  2. Energy due to position or configuration
  3. Rate independent of concentration
  4. Transient species in reaction mechanism
  5. Process of purifying crude oil
  6. Proportionality factor in rate law
  7. Study of light-driven chemical changes
  8. Breaking large hydrocarbons into smaller ones
  9. Compound of hydrogen and carbon
  10. Rearrangement of hydrocarbons for higher octane
  11. Efficiency of photochemical reaction

20 Clues: Process of purifying crude oil • Compound of hydrogen and carbon • Rate independent of concentration • Rate proportional to one reactant • Proportionality factor in rate law • Efficiency of photochemical reaction • Graph showing reaction energy progress • Study of light-driven chemical changes • Light-induced acceleration of reaction • Energy due to position or configuration • ...

Enzymes 2023-07-25

Enzymes crossword puzzle
Across
  1. different enzymes have different shaped active sites (each type only works for one reaction or a very small number of reactions)
  2. substrates fit into an enzyme the way a key fits into a lock
  3. pH level of Amylase
  4. increase in this factor usually speeds up or slows down a reaction
Down
  1. the bonds holding the enzyme molecules in its shape will be disrupted by the extreme values and the enzyme denatures
  2. A substance that increases the rate of chemical reaction and is not changed by the reaction
  3. Proteins that are involved in all metabolic reactions
  4. a region where a substrate binds and a chemical reaction takes place.
  5. when the enzyme can no longer function
  6. the best condition for the enzymes to carry out a chemical reaction.
  7. In absence of ____ the enzyme activity is sup­pressed so much that in dry seeds the enzymes are almost inactive.

11 Clues: pH level of Amylase • when the enzyme can no longer function • Proteins that are involved in all metabolic reactions • substrates fit into an enzyme the way a key fits into a lock • increase in this factor usually speeds up or slows down a reaction • the best condition for the enzymes to carry out a chemical reaction. • ...

Chapter 3.2 2021-10-06

Chapter 3.2 crossword puzzle
Across
  1. uncover or reveal
  2. a drink
  3. what makes up an atom
  4. a French chemist
  5. depends on mass
  6. cutting __ the mass stays the same
  7. a change in size, shape, or form
  8. substance is different after the change
  9. a chemical reaction with plants
  10. a change of color
  11. a light stick
  12. a energy and chemical change
  13. a chemical change occurring
Down
  1. a physical change that cannot be reversed
  2. needed to bake pretzels
  3. a balloon insides
  4. the state of an ice cube
  5. only physical properties change
  6. very hot bubble water
  7. things you see at a park
  8. a chemical property

21 Clues: a drink • a light stick • depends on mass • a French chemist • a balloon insides • uncover or reveal • a change of color • a chemical property • what makes up an atom • very hot bubble water • needed to bake pretzels • the state of an ice cube • things you see at a park • a chemical change occurring • a energy and chemical change • only physical properties change • ...

Properties of Matter Vocabulary 2020-09-14

Properties of Matter Vocabulary crossword puzzle
Across
  1. particles of a substance that are close together but slide past each other
  2. able to be bent but not broken, or hammered into thin sheets
  3. chemical reaction of a substance with water
  4. how packed together molecules are
  5. the probability of a substance to have a chemical reaction with another substance
Down
  1. able to be stretched into thin wires without breaking
  2. does not allow electricity and heat to pass through it
  3. particles of a substance that move very fast and bounce off of each other
  4. easily broken
  5. particles of a substance that are close together and vibrate
  6. allows electricity and heat to pass through it
  7. the point where a substance turns from a solid to a liquid
  8. chemical reaction of a substance with oxygen

13 Clues: easily broken • how packed together molecules are • chemical reaction of a substance with water • chemical reaction of a substance with oxygen • allows electricity and heat to pass through it • able to be stretched into thin wires without breaking • does not allow electricity and heat to pass through it • the point where a substance turns from a solid to a liquid • ...

Enzyme Vocabulary 2023-12-31

Enzyme Vocabulary crossword puzzle
Across
  1. each enzyme has a specific substrate that will fit into its active site
  2. builds
  3. energy needed to start a reaction
  4. high pH, high temperature, amount of substrate or enzymes
  5. molecule that an enzyme works on
Down
  1. a substance formed as a result of a chemical reaction
  2. breaks down
  3. the enzyme that is used to break down glucose
  4. where the chemical reaction occurs on an enzyme
  5. also known as a catalyst;speeds up chemical reactions

10 Clues: builds • breaks down • molecule that an enzyme works on • energy needed to start a reaction • the enzyme that is used to break down glucose • where the chemical reaction occurs on an enzyme • a substance formed as a result of a chemical reaction • also known as a catalyst;speeds up chemical reactions • high pH, high temperature, amount of substrate or enzymes • ...

Enzyme Vocabulary 2023-12-31

Enzyme Vocabulary crossword puzzle
Across
  1. each enzyme has a specific substrate that will fit into its active site
  2. builds
  3. energy needed to start a reaction
  4. high pH, high temperature, amount of substrate or enzymes
  5. molecule that an enzyme works on
Down
  1. a substance formed as a result of a chemical reaction
  2. breaks down
  3. the enzyme that is used to break down glucose
  4. where the chemical reaction occurs on an enzyme
  5. also known as a catalyst;speeds up chemical reactions

10 Clues: builds • breaks down • molecule that an enzyme works on • energy needed to start a reaction • the enzyme that is used to break down glucose • where the chemical reaction occurs on an enzyme • a substance formed as a result of a chemical reaction • also known as a catalyst;speeds up chemical reactions • high pH, high temperature, amount of substrate or enzymes • ...

Unit 2: Chemical Reactions and Energy 2024-12-16

Unit 2: Chemical Reactions and Energy crossword puzzle
Across
  1. the name given to a reaction that absorbs heat
  2. a change in this indicates a chemical reaction
  3. meal ready to eat
  4. a substance formed as a result of a chemical reaction
  5. heat is a form of this
Down
  1. the substance that reacted with copper sulfate
  2. a starting material; a substance that undergoes change in a reaction
  3. the name given to a reaction that releases heat
  4. the requirements, or features that a design must have
  5. a limit

10 Clues: a limit • meal ready to eat • heat is a form of this • the substance that reacted with copper sulfate • the name given to a reaction that absorbs heat • a change in this indicates a chemical reaction • the name given to a reaction that releases heat • the requirements, or features that a design must have • a substance formed as a result of a chemical reaction • ...

8th Grade AMI 2 (PEAK Unit 2 Vocab) 2020-11-09

8th Grade AMI 2 (PEAK Unit 2 Vocab) crossword puzzle
Across
  1. when two or more substances are in a mixture and can be easily discerned
  2. materials produced in a chemical reaction / the right of a chemical equation
  3. materials before an chemical reaction / the left of a chemical equation
  4. the material dissolved in a solution
  5. chemical bond where electrons are transferred
  6. the ability of an element to be bent or shaped
  7. having the same amounts of a substance before and after an event, like matter
  8. the ability of a substance to be dissolved
  9. when two or more substances are in a mixture evenly
Down
  1. a pure substance which cannot be broken down by chemical means, consisting of atoms which have identical numbers of protons in their atomic nuclei
  2. column of elements in the periodic table of the chemical elements
  3. electrons in the outer shell that can be either shared or transferred
  4. material in which a substance is dissolved in order to make a solution
  5. the number of protons in an atom / the number above and usually to the right of the symbol on a periodic table
  6. the smallest particle of an element that retains the properties of that element
  7. chemical bond where electrons are shared
  8. horizontal rows of the periodic table
  9. the sum of the protons and neutrons in an atom / the number under the element symbol on the periodic table

18 Clues: the material dissolved in a solution • horizontal rows of the periodic table • chemical bond where electrons are shared • the ability of a substance to be dissolved • chemical bond where electrons are transferred • the ability of an element to be bent or shaped • when two or more substances are in a mixture evenly • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. breaking down large molecules into smaller ones
  2. reaction that absorbs free energy from surroundings
  3. model that describes active site as having set shape complementary to substrate
  4. model that describes active site the flexible active site that changes shape to fit the substrate before enzyme-substrate complex is formed
  5. molecules that inhibit the activity of enzymes
  6. organic cofactors
Down
  1. minimum energy required for a chemical reaction to take place
  2. substances that are the result of the reaction
  3. making large molecules from smaller ones
  4. substrates that be will be used in the reaction
  5. sum of all the chemical reactions occurring in a cell
  6. reaction that has a net release of free energy

12 Clues: organic cofactors • making large molecules from smaller ones • substances that are the result of the reaction • reaction that has a net release of free energy • molecules that inhibit the activity of enzymes • breaking down large molecules into smaller ones • substrates that be will be used in the reaction • reaction that absorbs free energy from surroundings • ...

REDOX REACTION 2020-06-30

REDOX REACTION crossword puzzle
Across
  1. IN REACTION BETWEEN HYDROGEN AND COPPER OXIDE, HYDROGEN ACTS AS ….. AGENT
  2. ALL THE OXIDATION NUMBER OD ALL ELEMENT REMAIN UNCHANGE IF NON.....REACTION
  3. WHEN ATOM UNDERGO.... THE NUMBER OF OXIDATION WILL INCREASE.
  4. REDOX REACTION ARE CHEMICAL REACTION INVOLVING OXIDATION AND REDUCTION OCCUR.......
  5. ELEMENT UNDERGO OXIDATION WILL LOSS....
  6. OXIDISING AGENT WILL UNDERGO.... PROCESS
  7. REDUCING AGENT WILL UNDERGO..... PROCESS
  8. ELEMENT UNDERGO REDUCTION WILL LOSING….
Down
  1. DECOMPOSITION, NEUTRALISATION AND ……. ARE NOT REDOX REACTION
  2. REDUCTION USUALLY OCCUR AT...
  3. ELEMENT UNDERGO OXIDATION WILL….ELECTRON
  4. REDOX REACTION WILL....OXIDATION NUMBER OF ALL ELEMENTS.
  5. ATOM UNDERGO REDUCTION WILL GAIN.....
  6. ....OCCUR WHEN THE REACTION IS BETWEEN ACID AND BASE.
  7. IN REACTION BETWEEN HYDROGEN SULFIDE AND CLORINE GAS, CHLORINE ACT AS..... AGENT.
  8. MOLECULE THAT UNDERGO OXIDATION PROCESS WILL.... OXYGEN.

16 Clues: REDUCTION USUALLY OCCUR AT... • ATOM UNDERGO REDUCTION WILL GAIN..... • ELEMENT UNDERGO OXIDATION WILL LOSS.... • ELEMENT UNDERGO REDUCTION WILL LOSING…. • ELEMENT UNDERGO OXIDATION WILL….ELECTRON • OXIDISING AGENT WILL UNDERGO.... PROCESS • REDUCING AGENT WILL UNDERGO..... PROCESS • ....OCCUR WHEN THE REACTION IS BETWEEN ACID AND BASE. • ...

Chemical Reactions 2 2021-06-12

Chemical Reactions 2 crossword puzzle
Across
  1. A chemical made of molecules consisting of chains of repeating smaller monomers.
  2. A mixture of two or more pure metals.
  3. A type of distillation where crude oil is separated into different petrochemicals.
  4. A chemical obtained by refining petroleum or natural gas.
  5. A synthetic material made from organic polymers.
  6. A salt containing the carbonate anion (one carbon, three oxygen).
  7. The ability for a substance to dissolve in another substance.
  8. The action of purifying a liquid by a process of heating and cooling.
  9. A statement describing something significant a person has sensed (i.e. seen).
  10. The chemical process where a metal is eaten away.
Down
  1. An insoluble solid product of a precipitation reaction.
  2. A compound consisting of both hydrogen and carbon in various amounts.
  3. The ability for a chemical to react with another.
  4. The chemical process where a chemical or compound is broken down into small parts.
  5. A reaction where an insoluble product is produced.
  6. A type of hydrocarbon containing a triple bond, an example being acetylene.
  7. Made up of two or more different elements.
  8. A type of hydrocarbon containing a single bond, examples being methane and propane.
  9. A type of hydrocarbon containing a double bond, examples being ethylene and propene.

19 Clues: A mixture of two or more pure metals. • Made up of two or more different elements. • The ability for a chemical to react with another. • A synthetic material made from organic polymers. • The chemical process where a metal is eaten away. • A reaction where an insoluble product is produced. • An insoluble solid product of a precipitation reaction. • ...

kyndra 2021-12-02

kyndra crossword puzzle
Across
  1. type of chemical reaction
  2. new colors appear when this happens to a substance.
  3. reaction has a net absorption of energy.
  4. A way reaction rates are affected.
  5. This is also known as activation energy
Down
  1. how quickly the concentration reactantans decreases and how quickly the concentration products increase.
  2. reading left to right,Balance one element at a time.
  3. type of equations.
  4. This reaction has a net release of energy
  5. substance that lowers the activation energy of a chemical reaction.

10 Clues: type of equations. • type of chemical reaction • A way reaction rates are affected. • This is also known as activation energy • reaction has a net absorption of energy. • This reaction has a net release of energy • new colors appear when this happens to a substance. • reading left to right,Balance one element at a time. • ...

Lesson 17 and 18 2013-03-03

Lesson 17 and 18 crossword puzzle
Across
  1. A reaction were a single compound undergoes a reaction that produces two or more simpler substances.
  2. Represents with symbols and formulas, the identities and relative molecular or molar amounts of the reactants and products in a chemical reaction.
  3. A reaction were a substance combines with oxygen, releasing a large amount of energy in the form of light and heat.
  4. The excess _______ can be compared to a new soccer player who is in the bench most of the game but then is called up to the field when one of the other players is really tired.
  5. Law of ________ states that mass is neither created nor destroyed in any ordinary chemical reaction.
  6. The substance that is not used completely.
  7. A reaction were two or more substances combine to form a new compound.
  8. When one or more substances have undergone a change in identity.
  9. The ratio of the actual yield to the theoretical yield X 100.
  10. Is the maximum amount of product that can be produced from a given amount of reactant.
Down
  1. A reaction were one element replaces a similar element in a compound.
  2. Substance that is completely used up first in a reaction.
  3. A reaction were the ions of two compounds exchange places in an aqueous solution to form.
  4. Its important to balance ________ in such cases as were the amount of reaction depends on how much of each reactant a company needs to buy.
  5. Measured amount of a product obtained from a reaction.

15 Clues: The substance that is not used completely. • Measured amount of a product obtained from a reaction. • Substance that is completely used up first in a reaction. • The ratio of the actual yield to the theoretical yield X 100. • When one or more substances have undergone a change in identity. • A reaction were one element replaces a similar element in a compound. • ...

Chemistry Glossary Mod 4 IQ1/Mod 3 IQ3 2021-08-12

Chemistry Glossary Mod 4 IQ1/Mod 3 IQ3 crossword puzzle
Across
  1. Refer to number 24 of the periodic table, Cr
  2. Substance that increases the rate of reaction
  3. A type of reaction that releases energy
  4. A type of reaction that absorbs energy
  5. The smallest particle of a chemical element that can exist
  6. A substance that takes part in and undergoes change during a reaction
  7. A system that is not enclosed and does not have a constant pressure or volume, e.g. Atmospheric pressure
  8. The chemical energy of a substance
  9. A subatomic particle with a positive charge
Down
  1. Subatomic particle with a neutral charge
  2. measuring changes in state variables to determine the heat transfer
  3. A group of atoms bonded together
  4. A subatomic particle with a negative charge

13 Clues: A group of atoms bonded together • The chemical energy of a substance • A type of reaction that absorbs energy • A type of reaction that releases energy • Subatomic particle with a neutral charge • A subatomic particle with a negative charge • A subatomic particle with a positive charge • Refer to number 24 of the periodic table, Cr • ...

Science 2022-04-04

Science crossword puzzle
Across
  1. reactant - the reactant in a chemical reaction that limits the amount of product formed.
  2. analysis - the sequential application of conversion factors expressed as fractions and arranged so that any dimensional unit can be cancelled out until the desired set of dimensional units is obtained.
  3. yield - the ratio of the actual yield to the theoretical yield of a material.
  4. mass - the mass, in grams, of a mole of a substance.
  5. statement - a statement that shows the quantities and units that are equal to each other.
  6. - the calculation of the quantities of reactants and products involved in a chemical reaction.
  7. mass unit - equals 1/12 the mass of a carbon atom.
Down
  1. factor - a ratio expressed as a fraction that equals one.
  2. number - the number of atoms in a mole, equal to 6.02x10^23 atoms.
  3. yield - the amount of product formed from the complete conversion of a limiting reactant in a chemical reaction.
  4. formula - the simplest formula of a compound expressed as the smallest possible ratio of the elements.
  5. ratio - the ratio of moles of one substance to the moles of another substance in a balanced equation.
  6. composition - the percentage by mass of each element in a compound.
  7. formula - a formula which states the exact number and type of each atom present in a molecule of a substance.
  8. volume - the volume of one mole of any gas at standard temperature and pressure.
  9. reactant - the reactant in a chemical reaction that remains when a reaction stops once the limiting reactant is completely consumed.
  10. - The SI unit that measures the amount of matter a substance has; one mole is equal to 6.022x10^23 representative particles, also known as Avagadro's number.

17 Clues: mass unit - equals 1/12 the mass of a carbon atom. • mass - the mass, in grams, of a mole of a substance. • factor - a ratio expressed as a fraction that equals one. • number - the number of atoms in a mole, equal to 6.02x10^23 atoms. • composition - the percentage by mass of each element in a compound. • ...

Photosynthesis and Respiration 2016-01-14

Photosynthesis and Respiration crossword puzzle
Across
  1. Do not have chloroplasts
  2. A living thing that gets food by consuming, or eating, other living things
  3. O2
  4. Three phosphate groups, chemical energy is stored in the bonds between phosphate groups
  5. Have both mitochondria and chloroplasts
  6. The elements or compounds that enter into a chemical reaction
  7. A living thing that can capture energy from sunlight or chemicals to make its own food
  8. CO2
Down
  1. Organelle where photosynthesis takes place
  2. The process by which plants and other autotrophs use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates
  3. Organelle where respiration takes place
  4. The elements or compounds produced by a chemical reaction
  5. H2O
  6. C6H12O6
  7. Two phosphate groups, energy is released when the chemical bond between phosphate groups is broken

15 Clues: O2 • H2O • CO2 • C6H12O6 • Do not have chloroplasts • Organelle where respiration takes place • Have both mitochondria and chloroplasts • Organelle where photosynthesis takes place • The elements or compounds produced by a chemical reaction • The elements or compounds that enter into a chemical reaction • ...

Photosynthesis and Respiration 2016-01-14

Photosynthesis and Respiration crossword puzzle
Across
  1. The elements or compounds produced by a chemical reaction
  2. A living thing that can capture energy from sunlight or chemicals to make its own food
  3. CO2
  4. Have both mitochondria and chloroplasts
  5. H2O
  6. A living thing that gets food by consuming, or eating, other living things
  7. Do not have chloroplasts
  8. The elements or compounds that enter into a chemical reaction
Down
  1. Three phosphate groups, chemical energy is stored in the bonds between phosphate groups
  2. Organelle where respiration takes place
  3. C6H12O6
  4. O2
  5. The process by which plants and other autotrophs use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates
  6. Organelle where photosynthesis takes place
  7. Two phosphate groups, energy is released when the chemical bond between phosphate groups is broken

15 Clues: O2 • CO2 • H2O • C6H12O6 • Do not have chloroplasts • Organelle where respiration takes place • Have both mitochondria and chloroplasts • Organelle where photosynthesis takes place • The elements or compounds produced by a chemical reaction • The elements or compounds that enter into a chemical reaction • ...

ChemisThink! 2023-01-04

ChemisThink! crossword puzzle
Across
  1. Man's best friend
  2. Mass, The sum of atomic masses of the elements in a compound.
  3. Atomic Mass, An element's average mass.
  4. Formula, Relative ratios of elements in a compound.
  5. Coefficients, The numbers before the chemical formulas on the reactant and product side of the equation.
  6. Number, The number of units in one mole of any substance.
  7. Equation, Shows what happens in a chemical reaction.
  8. Lower the energy needed for a reaction to occur but retain their chemical identities.
  9. A unit of measurement that enables atoms to be counted by their mass.
Down
  1. Formula, Exact number of atoms that form a compound.
  2. Large marsupial
  3. Flying mammal
  4. Has a trunk
  5. Likes to chase mice
  6. Involve the burning of compounds in the presence of oxygen.

15 Clues: Has a trunk • Flying mammal • Large marsupial • Man's best friend • Likes to chase mice • Atomic Mass, An element's average mass. • Formula, Relative ratios of elements in a compound. • Formula, Exact number of atoms that form a compound. • Equation, Shows what happens in a chemical reaction. • Number, The number of units in one mole of any substance. • ...

Mataya caldwell, 9/23/24, SCIE 311 B, Vocab Puzzle chap2 2024-09-23

Mataya caldwell, 9/23/24, SCIE 311 B, Vocab Puzzle chap2 crossword puzzle
Across
  1. change in a substance that does not change the identity of the substance.
  2. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  3. the tendancy of energy to disperse and become less available to do work.
  4. proccess by which one substance the solute,is broken up into smaller pieces by and distributed within a second substance, the solvent.
  5. smallest patricles of a covalently bonded compound.
  6. naturally occuring catalyst, usually a protein.
  7. physical stuff that makes up the universe.
  8. The attraction of particles in one substance for particles in a different substance.
  9. the ability to do work; driver of the physical and chemical proccesses necessary for life.
  10. The attraction between like particles within polar substances.
  11. a pure substance made from two or more elements that are chemically combined.
  12. substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  13. substances that is present before a chemical reaction and takes part in it, usually shown on the lefthand side of it.
  14. A class of organic compounds that serve as the building blocks of proteins.
  15. qaulity of molecules having an uneven distribution of electrical charge which results in some regions of a molecule having negative charge while others have positive.
Down
  1. proccess by which particles in solution are evenly distributed throughout the solvent by brownian motion
  2. change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  3. a measurement of the average speed of the particles in a sustance.
  4. substance that changes the rate of chemical reaction but is not itself used up or affected by the reaction.
  5. substances formed during a chemical reaction, usually indicated on the righthand side of a chemical equation.
  6. attraction between two atoms as a result of sharing or transferring valence electrons.
  7. pure substance made up of only one kind of atom
  8. substance that can produce hydrogen ions in solution
  9. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  10. A class of simple organic compounds important in living things as a source of both energy and structure.
  11. A covalently bonded compound containing the element carbon.
  12. substance that can produce hydroxide ions or accept hydrogen ions in solution.
  13. building block of matter;smallest possible particle of an element
  14. organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose

29 Clues: physical stuff that makes up the universe. • naturally occuring catalyst, usually a protein. • pure substance made up of only one kind of atom • smallest patricles of a covalently bonded compound. • substance that can produce hydrogen ions in solution • A covalently bonded compound containing the element carbon. • ...

Chemical Change Study Guide 2013-02-27

Chemical Change Study Guide crossword puzzle
Across
  1. True or false: the reaction in the cold water bath will produce less product than the reaction in the hot water bath.
  2. The _________ of matter states that atoms can neither be created nor destroyed.
  3. If you place a cover over a burning candle, the flame will go out because you have taken away one of the __________.
  4. The two reactants in our candle burning experiment were methane and __________.
  5. Change of state from a liquid to a gas is an example of this kind of change.
  6. Reactions at higher temperature have more of this.
Down
  1. Increasing temperature increases the ________ of the reaction.
  2. In a chemical reaction, bonds in the reactants are broken and the atoms rearrange to form new _________.
  3. We represent chemical reactions with __________ equations.
  4. When our lava lamps stop bubbling, we can add more of this to make it go again.
  5. There is an equal number of atoms on each side of the equation to achieve this.
  6. In our lava lamp experiment, alka seltzer reacted with this to form bubbles.
  7. There are this many carbon atoms on each side of the following chemical equation: 2C4H10 + 13O2 ------> 8CO2 + 10H2O.

13 Clues: Reactions at higher temperature have more of this. • We represent chemical reactions with __________ equations. • Increasing temperature increases the ________ of the reaction. • In our lava lamp experiment, alka seltzer reacted with this to form bubbles. • Change of state from a liquid to a gas is an example of this kind of change. • ...

Physical & Chemical Change 2023-10-03

Physical & Chemical Change crossword puzzle
Across
  1. something which shows that something else is true
  2. matter in which the substances that make up that matter change into substances with different chemical and physical properties.
  3. the amount of matter in an object.
  4. matter that is made up of two or more different kinds of atoms joined together by chemical bonds
  5. the substances that are produced by the chemical reaction
Down
  1. to be a sign or symbol of something
  2. is a number placed in front of an element symbol or chemical formula in an equation
  3. occurs when atoms of one or more substances rearrange to form one or more new substances
  4. a force that holds atoms together
  5. are the starting substances in a chemical reaction
  6. equal amounts of something
  7. A particular smell
  8. matter that has a particular chemical makeup

13 Clues: A particular smell • equal amounts of something • a force that holds atoms together • the amount of matter in an object. • to be a sign or symbol of something • matter that has a particular chemical makeup • something which shows that something else is true • are the starting substances in a chemical reaction • the substances that are produced by the chemical reaction • ...

perfect 10 2023-02-28

perfect 10 crossword puzzle
Across
  1. a number places in front of a chemical symbol or formula\
  2. a measure of how much a substance reacts when it is mixed with another substance
  3. a substance that is present at the end of a chemical reaction
  4. A substance that slows down a chemical or corrsion reaction
  5. occurs when elements switch places in compounds.
Down
  1. system does not allow matter to rnter or leave,but does allow energy to enter ot leave.
  2. Reaction When energy is trandferred to the surroundings
  3. the process of increasing the rate of a chemical reaction by adding a substance know as a catayst.
  4. To bring about espcilly abruptly
  5. of mass a principle stating the mass cannot be created or dystoryed

10 Clues: To bring about espcilly abruptly • occurs when elements switch places in compounds. • Reaction When energy is trandferred to the surroundings • a number places in front of a chemical symbol or formula\ • A substance that slows down a chemical or corrsion reaction • a substance that is present at the end of a chemical reaction • ...

Thermochemistry 2023-04-04

Thermochemistry crossword puzzle
Across
  1. study of how heat changes during reactions
  2. The ability to do work
  3. the process of measuring the amount of heat released or absorbed during a chemical reaction
  4. The enthalpy change that accompanies a chemical reaction
  5. the heat absorbed by one mole of that substance as it is converted from a solid to a liquid
  6. The intensity of heat within a substance
Down
  1. Unit of energy needed to raise 1 gram of water by one degree C
  2. the heat absorbed by one mole of that substance as it is converted from a liquid to a gas
  3. Process or reaction where heat is absorbed
  4. Energy stored in the bonds of a substance
  5. Total energy within a closed system remains the same
  6. Process or reaction where heat is released
  7. Devise used for measuring the amount of heat present in a reaction
  8. energy The energy an object possesses as a result of its position
  9. Heat required to raise the unit mass of a substance by a given amount
  10. The amount of energy transferred from one system to another due to temp difference
  11. thermodynamic quantity equivalent to the total heat content of a system
  12. The energy something possesses due to its motion
  13. Unit of work energy

19 Clues: Unit of work energy • The ability to do work • The intensity of heat within a substance • Energy stored in the bonds of a substance • study of how heat changes during reactions • Process or reaction where heat is absorbed • Process or reaction where heat is released • The energy something possesses due to its motion • Total energy within a closed system remains the same • ...

Aromatic Chemistry 2021-10-27

Aromatic Chemistry crossword puzzle
Across
  1. The product between nitrile and azide ion is
  2. - A substituent compound or molecule that is at position 2 to the main functional group on an aromatic compound is at what position
  3. a Friedel craft reaction that leads to the addition of alkyl substituent to a benzene ring via alkyl carbonation
  4. A chemical specie that forms a chemical bond by donating its pair of electrons.
  5. The reaction between diazonium ion and cuprous salt is called
  6. Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to?
  7. isomerism Tautomerism is also known as what?
  8. groups (electron withdrawing groups) dictate their substituents to which position on the benzene ring?
  9. One of the rules of aromaticity is that aromatic compounds must be what geometry-
Down
  1. Benzene is more comfortable to undergo what type of substitution reaction
  2. Which 5-memebered heterocyclic compound is most reactive in Electrophilic aromatic substitution reactions?
  3. Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system
  4. -A Friedel – Craft reaction that causes a straight alkyl side chain to a benzene followed by the loss of (C=O).
  5. rule - A formulaic factor that is used to determine if a compound is aromatic
  6. bromide- What catalyst is added to enable a reaction between a benzene ring and molecular bromine?
  7. A benzene mono-substituted with NO2 causes a relatively slow reaction of the benzene ring. What substituent group is NO2?
  8. Which reduction reaction reduces a carbonyl unit to CH2 under acidic conditions?
  9. tetrafluoroborate-In the nitration reaction, what is the other reagent that can be used instead of nitric acid and sulphuric acid at very low temperatures?
  10. halides-Compounds that do not react with benzene without a catalyst (Lewis acid catalyst e.g., FeBr3) present.
  11. A group that that increases the rate of a reaction of a benzene ring and directs incoming substituent to ortho or Para position is-

20 Clues: The product between nitrile and azide ion is • isomerism Tautomerism is also known as what? • The reaction between diazonium ion and cuprous salt is called • Benzene is more comfortable to undergo what type of substitution reaction • Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system • ...

study guide for bio 2021-09-10

study guide for bio crossword puzzle
Across
  1. Chain A long string of amino acids connected together by peptide bonds. A polymer for proteins.
  2. what most enzymes end in
  3. Element found in abundance in every living organism. Forms strong stable bonds to create organic compounds.
  4. Process that changes one set of chemicals into another set of chemicals.
  5. Basic building block of biological molecules.
  6. Acid Basic building block (monomer) of lipids. These can be saturated or unsaturated depending on bonds.
  7. enzymes that break down proteins into amino acids
  8. is an example of Carbohydrates
  9. example of a protein(pasta,poultry,or oil?)
  10. elements or compounds produced by chemical reactions
  11. elements or compounds that enter into a chemical reaction
  12. A small polymer for carbohydrates. (Two sugars)
  13. Acid Made up of nucleotides; function is to transmit and store genetic information. (DNA / RNA)
  14. Made up of fatty acids and glycerol. Insoluble in water. Include waxes, oils, and fats. Provides long term energy storage and insulation.
  15. Made up of simple sugars. Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio. Provides quick energy.
  16. that break down lipids into fatty acids and glycerol.
  17. A substance produced in a chemical reaction.
  18. The minimum amount of energy required to start a chemical reaction.
  19. A substance on which an enzyme acts during a chemical reaction.
  20. Monomer for carbohydrates. (One sugar)
  21. The basic building block (monomer) of nucleic acids. Consist of 3 parts: sugar, phosphate, and a nitrogen base.
Down
  1. the chemical processes that occur within a living organism in order to maintain life.
  2. Alteration of the active site, when an enzyme binds to the appropriate substrate.
  3. Examples of nucleic acids that transmit and store genetic information.
  4. The temporary complex formed when the enzyme and substrate join.
  5. The binding between the active site of an enzyme and a substrate molecule. The active site has a fixed structure, which exactly matches the structure of a specific substrate.
  6. Acid Basic building block (monomer) for proteins. There are 20 different ones.
  7. example of a lipid(blubber,bread,or meat?)
  8. A larger polymer for carbohydrates. (Many sugars)
  9. The six essential elements found in large quantities in all living things.
  10. A large number of similar units (monomers) bonded together.
  11. Site The part of the enzyme where the substrate will bind and the reaction will take place.
  12. A (non-organic) chemical that increases the rate of a reaction without itself being changed by the reaction.
  13. Addition of water to break 2 monomers apart.
  14. Synthesis (Condensation) Removal of water to join 2 monomers together.
  15. A chemical substance that is present at the start of a chemical reaction.
  16. A giant molecule formed by joining smaller molecules. Biological molecules are macromolecules and include proteins, carbohydrates, lipids, and nucleic acids.
  17. The most important class of proteins. Used to speed up the rates of biological reactions.
  18. Made up of long chains of amino acids. Involved in many cell activities and important structural components of cells. Include enzymes and antibodies.
  19. enzymes that break down starch into sugar.
  20. Acts as a backbone with 2 fatty acids to create a phospholipid or with 3 fatty acid chains to create a triglyceride.

41 Clues: what most enzymes end in • is an example of Carbohydrates • Monomer for carbohydrates. (One sugar) • example of a lipid(blubber,bread,or meat?) • enzymes that break down starch into sugar. • example of a protein(pasta,poultry,or oil?) • Addition of water to break 2 monomers apart. • A substance produced in a chemical reaction. • ...

Year 8 Chemistry 2023-11-12

Year 8 Chemistry crossword puzzle
Across
  1. Physical reactions usually involve a change of ____
  2. This metal is a liquid at room temperature
  3. These are made up of only one type of atom
  4. K is the eymbol for this element
  5. This is a property of metals
  6. This is a property of all metals
  7. Making toast is an example of this type of change
  8. A ________ change is a sign of a chemical reaction
  9. The element which as an atomic number of 10
  10. This is a property of non-metals
  11. This describes chemical reactions
Down
  1. This is a property of non-metals
  2. This can be made of a combination of elements and compounds
  3. The element that has 12 protons and 12 electrons
  4. Ice melting is an example of this type of change
  5. At least 2/3 of the periodic table is made of these
  6. These are made up of different elements
  7. These are a sign of a chemical reaction
  8. 92 of the elements in the periodic table occur ____

19 Clues: This is a property of metals • This is a property of non-metals • K is the eymbol for this element • This is a property of all metals • This is a property of non-metals • This describes chemical reactions • These are made up of different elements • These are a sign of a chemical reaction • This metal is a liquid at room temperature • ...

Chapter 2 2019-01-17

Chapter 2 crossword puzzle
Across
  1. a solution that resists changes in pH when acid or alkali is added to it.
  2. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  3. A reaction where bonds are broken.
  4. form the basic structural unit of nucleic acid
  5. a region on an enzyme that binds to a protein or other substance during a reaction.
  6. another term would be inert energy
  7. a bond involving the sharing of electrons between atoms
  8. A bond that forms when electrons are transferred from one atom to another.
  9. single sugar
  10. a substance that liberates hydrogen ions when in an aqueous solution.
  11. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  12. amino acid
  13. a substance that accepts hydrogen ions
  14. A reaction where bonds are broken and combined.
  15. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Down
  1. Carbon-containing compound.
  2. Lack of carbon; compound.
  3. the ionized or ionizable constituents of a living cell, blood, or other organic matter.
  4. chemical reaction in which an acid and a base react quantitatively with each other.
  5. organic compound composed of carbon, hydrogen, and oxygen; includes starches, sugars, and glucose.
  6. a carbohydrate whose molecules consist of a number of sugar molecules bonded together.
  7. the energy of a body or a system with respect to the motion of the body or of the particles in the system.
  8. a measure of the hydrogen ion concentration of a solution
  9. any of a class of sugars whose molecules contain two monosaccharide residues.
  10. (reaction)process in which molecules are formed, changed, or broken down.
  11. A reaction where 2 or more molecules or atoms combine to form a larger and more complex molecule.
  12. a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
  13. include wax and oil; fatty acid

28 Clues: amino acid • single sugar • Lack of carbon; compound. • Carbon-containing compound. • include wax and oil; fatty acid • A reaction where bonds are broken. • another term would be inert energy • a substance that accepts hydrogen ions • form the basic structural unit of nucleic acid • A reaction where bonds are broken and combined. • ...

The Rock Cycle 2021-04-06

The Rock Cycle crossword puzzle
Across
  1. when rocks are subjected to high heat, high pressure
  2. geological process in which sediments, soil and rocks are added to a landform or landmass
  3. the universal force of attraction
  4. the process of eroding or being eroded by wind, water, or other natural agents
  5. the breaking down of rocks, soils, and minerals
  6. deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension
  7. the chemical breakdown of a compound due to reaction with water
Down
  1. the chemical reaction of carbon dioxide to give carbonates, bicarbonates, and carbonic acid
  2. a type of chemical reaction in which the states of atoms are changed
  3. weathering the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions
  4. the sliding down of a mass of earth or rock from a mountain or cliff
  5. form when hot, molten rock crystallizes and solidifies

12 Clues: the universal force of attraction • the breaking down of rocks, soils, and minerals • when rocks are subjected to high heat, high pressure • form when hot, molten rock crystallizes and solidifies • the chemical breakdown of a compound due to reaction with water • the sliding down of a mass of earth or rock from a mountain or cliff • ...

Connor Thomas - chemistry 2019-10-17

Connor Thomas - chemistry crossword puzzle
Across
  1. a negatively charged particle
  2. materials mixed together
  3. what we end with
  4. atoms bonded together
  5. reaction where clouds form
  6. a particle with no charge
  7. chemicals combine in specific amounts
  8. the number of protons in the nucleus of an atom
Down
  1. a positive particle
  2. a property of a substance that is observed during a chemical reaction
  3. a chemist who developed the periodic table of the chemical elements
  4. a substance that cannot be broken down into simpler substances
  5. you can experience with your 5 senses
  6. mass of an atom
  7. smallest part of any element
  8. materials does change
  9. materials dont change
  10. mixture is the same
  11. a table of elements
  12. materials we start with

20 Clues: mass of an atom • what we end with • a positive particle • mixture is the same • a table of elements • atoms bonded together • materials does change • materials dont change • materials we start with • materials mixed together • a particle with no charge • reaction where clouds form • smallest part of any element • a negatively charged particle • you can experience with your 5 senses • ...

Bio Choice board 2023-09-29

Bio Choice board crossword puzzle
Across
  1. Thin layer of gas around the earth
  2. where cells use oxygen to produce energy from food
  3. Process that requires Something that needs oxygen
  4. A green pigment found in plants
  5. site of photosynthesis
  6. Energy
  7. Something that breaks down
  8. where water is
  9. Something that makes its own food
  10. Where most rocks are found below the earth surface
  11. Calvin Cycle
  12. Something that makes the most ATP
Down
  1. A chemical reaction on sugar and yeast
  2. C6
  3. We all life on earth lives
  4. something that can not make is own food
  5. Something that does not need oxygen
  6. anything that was mass or takes up space
  7. A lower-energy molecule
  8. Something made in a chemical reaction

20 Clues: C6 • Energy • Calvin Cycle • where water is • site of photosynthesis • A lower-energy molecule • We all life on earth lives • Something that breaks down • A green pigment found in plants • Something that makes its own food • Something that makes the most ATP • Thin layer of gas around the earth • Something that does not need oxygen • Something made in a chemical reaction • ...

Chemical reaction Crossword! 2023-10-13

Chemical reaction Crossword! crossword puzzle
Across
  1. States that the mass of an object stays the same when a chemical reaction occurs
  2. An equation that is using the symbols of elements
  3. A substance or molecule that participates in a chemical reaction. the ingredients you starts
  4. A change that occurs when two or more substances make a new substance
Down
  1. A change when two or more substances react to each other
  2. A solid formed by change in solution often due to a chemical reaction.
  3. A substance or molecule that is formed in a chemical reaction.The final output
  4. A change of matter from one form to another without a change no matter how the parts are arranged

8 Clues: An equation that is using the symbols of elements • A change when two or more substances react to each other • A change that occurs when two or more substances make a new substance • A solid formed by change in solution often due to a chemical reaction. • A substance or molecule that is formed in a chemical reaction.The final output • ...

Chemical Reaction Vocabulary 2024-10-16

Chemical Reaction Vocabulary crossword puzzle
Across
  1. solid formed by a change in a solution due to a chemical reaction or a change in temperature
  2. change of matter from one form to another without a change in chemical properties
  3. representation of a chemical reaction using symbols of elements to show the amount of each reactant and product
  4. a substance or a molecule that participates in a chemical reaction (the elements you start with)
Down
  1. when two or more substances that combine in ways that make new substances that have different properties
  2. states that the mass of an object or a collection of objects have new changes no matter how the parts are arranged
  3. change that occurs when one or more substances change into a new substance
  4. a substance or a molecule that is formed in a chemical reaction (final output)

8 Clues: change that occurs when one or more substances change into a new substance • a substance or a molecule that is formed in a chemical reaction (final output) • change of matter from one form to another without a change in chemical properties • solid formed by a change in a solution due to a chemical reaction or a change in temperature • ...

Enzymes 2026-03-04

Enzymes crossword puzzle
Across
  1. The energy required to start any reaction
  2. Organic molecules such as vitamins and NAD+
  3. reaction that has a net release of free energy.
  4. sum of all the chemical reactions occurring in that cell. The chemical reactions manage the amount of energy and materials that are available to that cell
  5. process of breaking down large molecules into smaller ones. As the bonds break, free energy is released.
Down
  1. process of making large molecules from smaller ones. Free energy is absorbed from the surroundings to build new chemical bonds.
  2. the active site as having a set shape. The substrate molecules fit perfectly into active site, like a key in a lock. Once in the active site, the chemical reaction can take place.
  3. a flexible active site that changes shape, or conforms, to the substrate as they bond together.conformational change may place stress on the bonds in the substrate, making it easier for them to break and reform during the reaction.
  4. the resulting molecule(s) formed after an enzyme, acting as a catalyst, has acted upon a substrate (reactant).
  5. substrates in a catalysed reaction. Each substrate has a specific 3D shape that is related to the orientation required of the reaction. The tertiary and quaternary structures of proteins enable enzymes to have specific 3D shapes that are compatible with their substrate(s).
  6. molecules that inhibit the activity of enzymes. That is, they reduce or stop the enzyme from functioning. Reducing enzyme activity also reduces the reaction rate.
  7. reaction that absorbs free energy from the surroundings

12 Clues: The energy required to start any reaction • Organic molecules such as vitamins and NAD+ • reaction that has a net release of free energy. • reaction that absorbs free energy from the surroundings • process of breaking down large molecules into smaller ones. As the bonds break, free energy is released. • ...

Chapter 2 crossword 1 2014-11-18

Chapter 2 crossword 1 crossword puzzle
Across
  1. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
  2. the strength and vitality required for sustained physical or mental activity.
  3. having the properties of an alkali, or containing alkali; having a pH greater than 7.
  4. the lowest part or edge of something, especially the part on which it rests or is supported.
  5. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
  6. is any chemical reaction that involves the gaining of electrons. Specifically, it refers to the side that accepts electrons. When iron reacts with oxygen it forms a chemical called rust. In that example, the iron is oxidized and the oxygen is reduced.
  7. is a reaction that loses energy during the process of the reaction.
  8. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  9. physical restraints used to hold someone or something prisoner, especially ropes or chains.
  10. a substance that takes part in and undergoes change during a reaction.
  11. able to dissolve other substances.
  12. the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids
Down
  1. the minor component in a solution, dissolved in the solvent.
  2. reactions include all chemical reactions in which atoms have their oxidation state changed; in general, redox reactions involve the transfer of electrons between species.
  3. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  4. bonding between a non-metal and a metal, that occurs when charged atoms (ions) attract after one loses one or more of its electrons, and gives it to the other molecule, for example sodium and chlorine.
  5. the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
  6. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  7. the action or power of focusing one's attention or mental effort.
  8. the basic unit of a chemical element.
  9. a thing that is composed of two or more separate elements; a mixture
  10. scale is a measure of how acidic or basic a substance is

22 Clues: able to dissolve other substances. • the basic unit of a chemical element. • scale is a measure of how acidic or basic a substance is • the minor component in a solution, dissolved in the solvent. • the action or power of focusing one's attention or mental effort. • is a reaction that loses energy during the process of the reaction. • ...

Science Biology Vocabulary #2 2024-09-23

Science Biology Vocabulary #2 crossword puzzle
Across
  1. A class of organic compounds that serve as the building blocks of protiens
  2. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having a negative charge while others are positive
  3. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than the original substance
  4. The physical stuff that makes up the uni:verse
  5. A naturally occurring catalyst, usually a protien
  6. A measurement of the average speed of the particles within a substance
  7. The smallest particle of a covalently bonded compound
  8. The attraction of particles in one substance for particles in a different substance
  9. A pure substance made from two or more elements that are chemically combined
  10. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction
  11. The attraction between like particles within polar substances
  12. The process by which particles in solution are evenly distributed
  13. A substance that can produce hydronium ions in a solution
  14. A substance that binds to an enzyme and reduces its activity thus slowing a chemical reaction that the enzyme catalyzes
  15. The process by which one substance, the solute, is broken up into smaller pieces
Down
  1. A change in a substance that does not change the identity of a substance
  2. An organic compound comprised of the elements carbon, hydrogen, oxygen, includes sugars, starch, and cellouse
  3. The tendency of energy to disperse and become less available to do work
  4. A class of organic compounds that serve as building blocks for DNA and RNA
  5. A pure substance made of only one kind of atom
  6. A substance that can provide hydroxide ions and can accept hydronium ions
  7. The ability to do work
  8. The Building block of matter the smallest possible particle of an element
  9. A covently bonded compound containing the element of carbon
  10. A substance that is present before a chemical reaction and takes part in it
  11. The substances formed during a chemical reaction usually indicated on the right hand side of the equation
  12. An attraction between two atoms as a result of sharing or transferring valence electrons
  13. A class of simple organic compounds important in living things as a source of both energy and structure
  14. A class of nonpolar organic compounds that are in solulabe water and are used for energy storage and cells

29 Clues: The ability to do work • A pure substance made of only one kind of atom • The physical stuff that makes up the uni:verse • A naturally occurring catalyst, usually a protien • The smallest particle of a covalently bonded compound • A substance that can produce hydronium ions in a solution • A covently bonded compound containing the element of carbon • ...

Bio Choice board 2023-09-29

Bio Choice board crossword puzzle
Across
  1. Thin layer of gas around the earth
  2. where cells use oxygen to produce energy from food
  3. Process that requires Something that needs oxygen
  4. A green pigment found in plants
  5. site of photosynthesis
  6. Energy
  7. Something that breaks down
  8. where water is
  9. Something that makes its own food
  10. Where most rocks are found below the earth surface
  11. Calvin Cycle
  12. Something that makes the most ATP
Down
  1. A chemical reaction on sugar and yeast
  2. C6
  3. We all life on earth lives
  4. something that can not make is own food
  5. Something that does not need oxygen
  6. anything that was mass or takes up space
  7. A lower-energy molecule
  8. Something made in a chemical reaction

20 Clues: C6 • Energy • Calvin Cycle • where water is • site of photosynthesis • A lower-energy molecule • We all life on earth lives • Something that breaks down • A green pigment found in plants • Something that makes its own food • Something that makes the most ATP • Thin layer of gas around the earth • Something that does not need oxygen • Something made in a chemical reaction • ...

Chemical Reaction Vocab 2024-10-16

Chemical Reaction Vocab crossword puzzle
Across
  1. a substance or molecule that is formed in a chemical reaction; the final output
  2. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
  3. a change that occurs when one or more substances change into entirely new substances with different properties
  4. states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
  5. a change of matter from one form to another without a change in chemical properties; only physical changes
Down
  1. a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
  2. a substance or molecule that participates in a chemical reaction; the ingredients that you start with
  3. happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials

8 Clues: a substance or molecule that is formed in a chemical reaction; the final output • a solid formed by a change in a solution, often due to a chemical reaction or change in temperature • a substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...

Chapter 13 - Ashlyn Luttrell 2021-03-04

Chapter 13 - Ashlyn Luttrell crossword puzzle
Across
  1. a chemical that accepts a hydrogen ion, H+
  2. What type of reaction occurs when there are less compounds in the product than there are in the reactions?
  3. A chemical that has a pH of less than 7
  4. Type of reaction in which there is a net release of energy
  5. The substance that can behave as an acid or base
  6. a chemical that donates a hydrogen ion, H+
Down
  1. A material that affect the rate of a reaction. This material is added into the reaction to speed the rate, but has to affect on the product.
  2. Type of reaction in which there is a net gain of energy
  3. What type of reaction is AlS3->Al+S8?
  4. Substance with a pH of 7 can be described as ______

10 Clues: What type of reaction is AlS3->Al+S8? • A chemical that has a pH of less than 7 • a chemical that accepts a hydrogen ion, H+ • a chemical that donates a hydrogen ion, H+ • The substance that can behave as an acid or base • Substance with a pH of 7 can be described as ______ • Type of reaction in which there is a net gain of energy • ...

Chemical Reactions Crossword 2014-05-29

Chemical Reactions Crossword crossword puzzle
Across
  1. The smallest part of a substance that can exist on its own.
  2. An ion with a positive charge.
  3. An ion with a negative charge.
  4. A reaction in which heat is absorbed.
  5. The liquid that dissolves the solute.
  6. This reaction occurs when two of more substances combine to form a single product.
  7. This metal reaction occurs when a metal ion in a solution is replaced by another type of metal.
  8. An ion that does not participate in a reaction yet remain in the solution.
  9. This forms when reactants are mixed, chemically bonded.
  10. When two ionic solutions are mixed and an insoluble solid forms.
  11. The smallest particle of a chemical elelment containing protons, neutrons and electrons.
  12. Substances combining to form a product.
  13. Can be solid, liquid or gas at room temperature.
  14. A molecule composed of two or more parts, elements
Down
  1. A type of ion made up of more than one atom. Eg. Sulfate, hydroxide.
  2. A substance in its pure state, as distinguished from alloys, also is an element yielding positively charged ions in aqueous solutions of its salts.
  3. A remark, comment, or statement based on what one has noticed or observed.
  4. Unable to dissolve(in water)
  5. Having the nature of or resembling jelly, especially in consistency.
  6. The substance being dissolved.
  7. The rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance.
  8. Able to dissolve (in water).
  9. A reaction in which heat is given off.
  10. This reaction occurs when a compound is separated into smaller chemical species. The species formed can be elements or simpler compounds.
  11. A substance that speeds up a chemical reaction while remaining unchanged itself.
  12. This forms when a solute dissolves in a solvent.
  13. The force of attraction that holds ions together in an ionic substance.
  14. An atom that has either lost or gained electrons.

28 Clues: Unable to dissolve(in water) • Able to dissolve (in water). • An ion with a positive charge. • An ion with a negative charge. • The substance being dissolved. • A reaction in which heat is absorbed. • The liquid that dissolves the solute. • A reaction in which heat is given off. • Substances combining to form a product. • This forms when a solute dissolves in a solvent. • ...

Cortnie Velasquez 2020-01-17

Cortnie Velasquez crossword puzzle
Across
  1. the process or result of oxidizing.
  2. a substance that causes or accelerates a chemical reaction without itself being affected.
  3. rapid oxidation accompanied by heat and, usually, light.
  4. any substance that undergoes a chemical change in a given reaction.
  5. a substance obtained from another substance through chemical change.
  6. a measure of the amount of dissolved substance contained per unit of volume.
  7. the act or process of decomposing/ decaying.
Down
  1. a measure of the amount of dissolved substance contained per unit of volume.
  2. electron an electron of an atom, located in the outermost shell of the atom, that can be transferred to or shared with another atom.
  3. the forming or building of a more complex substance or compound from elements or simpler compounds.
  4. the quality or property of being soluble; relative capability of being dissolved.
  5. area the outside part or uppermost layer of something.
  6. to treat with a buffer, to cushion, shield, or protect.
  7. a substance that decreases the rate of or stops completely a chemical reaction.
  8. he exertion of force upon a surface by an object, fluid, etc.

15 Clues: the process or result of oxidizing. • the act or process of decomposing/ decaying. • area the outside part or uppermost layer of something. • to treat with a buffer, to cushion, shield, or protect. • rapid oxidation accompanied by heat and, usually, light. • he exertion of force upon a surface by an object, fluid, etc. • ...

Chapter 2 2019-01-17

Chapter 2 crossword puzzle
Across
  1. A reaction where 2 or more molecules or atoms combine to form a larger and more complex molecule.
  2. a lipid
  3. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  4. a polysaccharide
  5. Composed of 2 or more elements.
  6. another term would be inert energy
  7. Carbon-containing compound.
  8. the ionized or ionizable constituents of a living cell, blood, or other organic matter.
  9. Basic unit of a chemical element.
  10. a measure of the hydrogen ion concentration of a solution
  11. one of a class of substances that cannot be separated into simpler substances by chemical means.
  12. power
  13. acid
  14. Energy form directly involved in putting the matter into motion.
  15. a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
  16. process in which molecules are formed, changed or broken down.
  17. a substance that liberates hydrogen ions when in an aqueous solution.
  18. protein
  19. a carbohydrate whose molecules consist of a number of sugar molecules bonded together.
  20. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  21. a substance that accepts hydrogen ions
  22. the energy of a body or a system with respect to the motion of the body or of the particles in the system.
  23. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  24. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.ovalent bond / a bond involving the sharing of electrons between atoms
  25. a lipid containing a phosphate group in its molecule
  26. molecules consist of many nucleotides linked in a long chain.
  27. organic compound composed of carbon, hydrogen, and oxygen; includes starches, sugars, and glucose.
  28. A reaction where bonds are broken.
  29. Also known as Electron shells
  30. particle with a negative charge
Down
  1. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  2. a solution that resists changes in pH when acid or alkali is added to it.
  3. Adenosine triphosphate
  4. the base
  5. also known as Bohr’s atomic model
  6. A number equal to the sum of all the neutrons and the protons in an atom's nucleus.
  7. an example of monosaccharides
  8. a group of atoms bonded together
  9. Positive subatomic particle.
  10. single sugar
  11. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances. Creates a new substance.
  12. particle with a neutral charge
  13. A reaction where bonds are broken and combined.
  14. atomic mass
  15. ribonucleic acid
  16. Lack of carbon; compound.
  17. energy form stored in the bonds of chemicals
  18. amino acid
  19. any of a class of sugars whose molecules contain two monosaccharide residues.
  20. A bond that forms when electrons are transferred from one atom to another.
  21. created in 1869
  22. a region on an enzyme that binds to a protein or other substance during a reaction.
  23. include wax and oil
  24. form the basic structural unit of nucleic acids
  25. deoxyribonucleic acid
  26. anything that has mass and takes up space

56 Clues: acid • power • a lipid • protein • the base • amino acid • atomic mass • single sugar • created in 1869 • a polysaccharide • ribonucleic acid • include wax and oil • deoxyribonucleic acid • Adenosine triphosphate • Lack of carbon; compound. • Carbon-containing compound. • Positive subatomic particle. • an example of monosaccharides • Also known as Electron shells • particle with a neutral charge • ...

Science 2015-05-20

Science crossword puzzle
Across
  1. Anything that has mass and volume
  2. Simplest type of pure substance
  3. The center of an atom
  4. Joining of two atomic nuclei of smaller mass to form a single nucleus of larger mass
  5. Substance that does the dissolving in the solution
  6. Chemical reaction in which two or more simple substances combine to form a new, more complex substance
  7. The smallest part of an element that has all the properties of an element
  8. Substance that appears to be the same throughout
  9. Amount of time it takes for half of the atoms in a given sample of an element to decay
  10. Number of protons in the nucleus of an atom
  11. Combination of atoms formed by a covalent bond
  12. Chemical reaction in which energy is released
  13. Electron in the outermost energy level of an atom
  14. A positively charged particle in the nucleus of an atom
  15. amount of matter in an object
  16. An atom that has become charged due to the loss or gain of electrons
  17. Change of a gas to a liquid
  18. Member of element Family 1 that has one valence electron
  19. Chemical reaction in which different atoms in two different compounds replace each other
  20. Process by which a substance becomes a new and different substance
  21. Element that has properties of both metals and nonmetals
  22. A neutral particle in the nucleus of an atom
  23. Measure of the motion of molecules
  24. Substance that enters into a chemical reaction
  25. Chemical reaction in which energy is absorbed
  26. Substance made up of molecules that contain more than one kind of atom; two or more elements chemically combined.
  27. Member of Family 18 of the periodic table; elements have atoms with 8 valence electrons and unreactive
  28. Bond that involves the sharing of electrons
  29. Force acting over a distance to move an object
  30. Homogeneous mixture of a few substances in a single physical state
  31. Substance that is dissolved in a solution
Down
  1. Matter that consists of two or more substance mixed; but not chemically combined
  2. mass per unit volume
  3. Bond that involves the transfer of electrons
  4. factor being tested
  5. A negatively charged particle found in an area outside the nucleus of an atom
  6. Process by which a substance changes phase
  7. Chemical reaction in which an uncombined element replaces an element that is part of a compound
  8. rate of change in velocity
  9. Opposition to the flow of electric charge
  10. Amount of space an object takes up
  11. Weighted average of the mass numbers of an element's naturally occurring isotopes
  12. Tendency of objects to remain in motion or to stay at rest unless acted upon by an outside force
  13. Vaporization that takes place at the surface of a liquid
  14. Substance that does not appear to be the same throughout
  15. Atom that has the same number of protons(atomic number) as another atom but a different number of neutrons
  16. Substance produced by a chemical reaction
  17. The ability to do work
  18. Rate at which work is done or energy is used
  19. A solution of two metals or a metal and a nonmetal that has the properties of a metal

50 Clues: factor being tested • mass per unit volume • The center of an atom • The ability to do work • rate of change in velocity • Change of a gas to a liquid • amount of matter in an object • Simplest type of pure substance • Anything that has mass and volume • Amount of space an object takes up • Measure of the motion of molecules • Opposition to the flow of electric charge • ...

Energy and Enzymes 2022-01-30

Energy and Enzymes crossword puzzle
Across
  1. ideal conditions for a specific enzyme to function
  2. term that describes the slowing down of an enzyme-catalyzed reaction as substrate concentration increases
  3. typically a mineral that reversibly interacts with and is essential for enzyme function
  4. term for the items that go into a chemical reaction
  5. includes factors that affect the rate of an enzyme-catalyzed reaction such as temperature, pH, and substrate concentration
  6. state where substrate bonds are partially formed or broken down, involving changes in the shape of the enzyme
  7. term that describes the specificity of the shape and charge of the substrate binding domain for a specific substrate
  8. a reaction where the reactants and products have the same free energy (deltaG=0)
  9. site in an enzyme where the substrate(s) binds
  10. a reaction that requires heat to occur
  11. molecules that enzymes work on
  12. primary sequence of amino acids
  13. degree of disorder in a system
Down
  1. disruption in the genetic code that may ultimately affect enzyme structure and function
  2. type of regulation where the regulatory molecule binds outside of the active site causing shape changes that can activate or inhibit the enzyme
  3. type of inhibition where a product of a metabolic pathway binds to, and inhibits, an enzyme that functions early in the pathway
  4. type of inhibition where the inhibitor competes with the substrate(s) for an enzyme’s binding site
  5. step of enzyme catalysis where substrates bind the enzyme
  6. component that facilitates a reaction but is unchanged by the reaction
  7. type of energy required to reach the transition state
  8. stored energy
  9. a reaction that is not energetically favorable (deltaG>0)
  10. a reaction where the reactants have higher free energy than the products
  11. a reaction that releases heat
  12. step of enzyme catalysis where products are discharged from the enzyme
  13. non-amino groups that covalently attach to enzymes, altering their function
  14. all of the things that are produced by a reaction
  15. term for free energy that takes into account entropy, enthalpy and temperature
  16. a favorable, spontaneous reaction (deltaG<0)
  17. internal energy of a system including heat, pressure and volume
  18. molecules that shuttle electrons and reversibly interact with an enzyme to enhance its function; often vitamins or their derivatives
  19. typically a protein that facilitates a chemical reaction by bringing substrates together

32 Clues: stored energy • a reaction that releases heat • molecules that enzymes work on • degree of disorder in a system • primary sequence of amino acids • a reaction that requires heat to occur • a favorable, spontaneous reaction (deltaG<0) • site in an enzyme where the substrate(s) binds • all of the things that are produced by a reaction • ...

Chapter 5 Vocab 2023-11-08

Chapter 5 Vocab crossword puzzle
Across
  1. A change that produces one or more new substance
  2. when energy of a reaction is absorbed
  3. the new substance that is formed after the reaction
  4. substances that undergo the chemical change
  5. when energy of a reaction is released as heat
Down
  1. when one element replaces another in a compound
  2. when two or more reactants combine to form a compound
  3. increases the reaction rate by lowering the energy needed
  4. occurs when a chemical reaction breaks down a compound into smaller parts
  5. Alters the form or appearance but does not change into a new substance
  6. the amount of substance in a given volume

11 Clues: when energy of a reaction is absorbed • the amount of substance in a given volume • substances that undergo the chemical change • when energy of a reaction is released as heat • when one element replaces another in a compound • A change that produces one or more new substance • the new substance that is formed after the reaction • ...

Energy Flow 2023-01-09

Energy Flow crossword puzzle
Across
  1. The place where cellular respiration happens
  2. Where does your body first get the energy to reattach a third phosphate to ADP?
  3. Energy from ATP can be used for _______________ transport.
  4. The name of the process that makes ATP _________________ respiration
  5. All chemical reactions must break or form ________
  6. ADP + energy + Phosphorous = _____________
  7. Chemical reactions change _____________
Down
  1. Enzymes ______________ the rate of a reaction
  2. What does your body use second for energy?
  3. chemical reactions are classified as _______________ when they absorb more energy than they give off.
  4. ______________ energy is needed for a chemical reaction to occur
  5. Reactants are the same as Reactants
  6. After ATP is used for energy, it is called _______.

13 Clues: Reactants are the same as Reactants • Chemical reactions change _____________ • What does your body use second for energy? • ADP + energy + Phosphorous = _____________ • The place where cellular respiration happens • Enzymes ______________ the rate of a reaction • All chemical reactions must break or form ________ • After ATP is used for energy, it is called _______. • ...

Physical & Chemical Changes - Vocabulary Review 2024-01-13

Physical & Chemical Changes - Vocabulary Review crossword puzzle
Across
  1. a substance formed as a result of the reaction
  2. a change in the appearance of a substance or object without actually changing its identity. Ex: breaking, folding, phase change, melting, boiling, freezing
  3. a physical property, the ability to change to a solid, liquid, or gas
  4. a chemical property, the process of rotting or decaying
  5. a physical property; the ability of a substance to be hammered into a thin sheet
  6. a substance that exists before the reaction begins
Down
  1. a characteristic that can be observed or measured without changing the identity of the substance. Ex: color, texture, smell, sound...
  2. a chemical property, a natural process that converts a metal into a new substance through a chemical reaction with the environment
  3. a property that can only be observed by changing the identity of a substance
  4. a physical property; the measure of the ability for electricity to travel through a substance
  5. a change in the chemical composition of a substance and a new substance is formed
  6. a process that produces a chemical change
  7. a chemical property, the process of burning something and creating a rapid chemical combination, involving the production of heat and light

13 Clues: a process that produces a chemical change • a substance formed as a result of the reaction • a substance that exists before the reaction begins • a chemical property, the process of rotting or decaying • a physical property, the ability to change to a solid, liquid, or gas • a property that can only be observed by changing the identity of a substance • ...

Vocabulary Chapter 2 2023-09-20

Vocabulary Chapter 2 crossword puzzle
Across
  1. a substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation
  2. the building block of matter; the smallest possible particle of an element
  3. an attraction between two atoms as a result of sharing or transferring valence electrons
  4. a change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance
  5. the process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
  6. the process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent
  7. a substance that can produce hydroxide ions or accept hydrogen ions in solution
  8. a class non polar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things
  9. the substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation
  10. the tendency of energy to disperse and become less available to do work
  11. a change in a substance that does not change the identity of the substance (e.g., a change of form or state)
  12. a measurement of the average speed of the particles within a substance
  13. an organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
  14. a naturally occurring catalyst, usually a protein
  15. the smallest particle of a covalently bonded compound
  16. a class of organic compounds that serve as the building blocks of proteins
Down
  1. a pure substance made from two or more elements that are chemically combined
  2. the attraction of particles in one substance for particles in a different substance
  3. a substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes
  4. the attraction between like particles within polar substances
  5. a substance that can produce hydrogen ions in solution
  6. a substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction
  7. a pure substance made of only one kind of atom
  8. a class of simple organic compounds important in living things as a source of both energy and structure
  9. the ability to do work, especially in biology, the driver of the physical and chemical processes necessary for life
  10. quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while other are positive
  11. a covalently bonded compound containing the element carbon
  12. the physical stuff that makes up the universe, anything that occupies space and has mass
  13. a class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA

29 Clues: a pure substance made of only one kind of atom • a naturally occurring catalyst, usually a protein • the smallest particle of a covalently bonded compound • a substance that can produce hydrogen ions in solution • a covalently bonded compound containing the element carbon • the attraction between like particles within polar substances • ...

Science Vocab (ch.2) 2024-09-23

Science Vocab (ch.2) crossword puzzle
Across
  1. A substance that is present before a chemical reaction and takes part in it, usually shown on the lefthand side of a chemical equation.
  2. The building block of matter; the smallest possible
  3. An attraction between two atoms as a result of sharing or transferring valence electrons
  4. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  5. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  6. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  7. A substance that can produce hydroxide ions (OH−) or accept hydrogen ions (H+) in solution.
  8. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  9. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation.
  10. The tendency of energy to disperse and become less available to do work.
  11. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
  12. A measurement of the average speed of the particles within a substance.
  13. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  14. A naturally occurring catalyst, usually a protein.
  15. The smallest particle of a covalently bonded compound.
  16. A class of organic compounds that serve as the building blocks of proteins.
Down
  1. A pure substance made from two or more elements that are chemically combined
  2. The attraction of particles in one substance for particles in a different substance
  3. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  4. The attraction between like particles within polar substances.
  5. A substance that can produce hydrogen ions (H+) in solution.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. A pure substance made of only one kind of atom.
  8. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  10. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  11. A covalently bonded compound containing the element carbon
  12. The physical stuff that makes up the universe.
  13. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.

29 Clues: The physical stuff that makes up the universe. • A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The building block of matter; the smallest possible • The smallest particle of a covalently bonded compound. • A covalently bonded compound containing the element carbon • ...

Section 2.4 2021-09-14

Section 2.4 crossword puzzle
Across
  1. It is a chemical reaction that absorbs more energy than it releases.
  2. It is the amount of energy that needs to be absorbed for a chemical reaction to start.
  3. It changes substances into different substances by breaking and forming chemical bonds.
  4. They are substances made by a chemical reaction.
Down
  1. It is a chemical reaction that releases more energy than it absorbs.
  2. It is reached when both the reactants and products are made at the same rate.
  3. It is the amount of energy that will break a bond between two atoms.
  4. They are substances changed during a chemical reaction.

8 Clues: They are substances made by a chemical reaction. • They are substances changed during a chemical reaction. • It is a chemical reaction that releases more energy than it absorbs. • It is a chemical reaction that absorbs more energy than it releases. • It is the amount of energy that will break a bond between two atoms. • ...

The Reaction Junction 2025-04-30

The Reaction Junction crossword puzzle
Across
  1. Equation Different number of atoms; not yet corrected.
  2. A substance loses oxygen or gains hydrogen.
  3. New substances formed after the reaction.
  4. Substances you start with before the reaction happens.
  5. Equation A way to show a reaction using symbols and formulas.
  6. A solid forms and settles from a liquid reaction.
  7. Reaction A more reactive element replaces a less reactive one.
  8. Oils or fats in food go bad due to air (oxygen).
Down
  1. Displacement Two compounds exchange parts to form new ones.
  2. Reaction One substance breaks into two or more.
  3. Reaction Both oxidation and reduction happen in the same reaction.
  4. A substance gains oxygen or loses hydrogen.
  5. Reaction A change where new substances are formed.
  6. Slow damage of metals (like rusting).
  7. Equation Same number of each type of atom on both sides.
  8. Reaction Two or more things combine to make one product.

16 Clues: Slow damage of metals (like rusting). • New substances formed after the reaction. • A substance loses oxygen or gains hydrogen. • A substance gains oxygen or loses hydrogen. • Reaction One substance breaks into two or more. • Oils or fats in food go bad due to air (oxygen). • A solid forms and settles from a liquid reaction. • ...

vocab bingo 2025-01-31

vocab bingo crossword puzzle
Across
  1. the liquid phase to the gas phase
  2. reaction a process in which atoms rearrange to form
  3. something that is made of all the same atoms
  4. an object, diagram, or computer program that helps us
  5. ability to cause damage
  6. made of
  7. something that can be observed about a substance,
  8. to change the order or position of something
  9. the tiny pieces that all matter—all the stuff in the
  10. the relative size of things
Down
  1. an ending substance that is made during a chemical
  2. the solid phase to the liquid phase
  3. point the temperature at which a substance changes
  4. a starting substance that is part of a chemical reaction
  5. point the temperature at which a substance changes
  6. something by making it simpler or easier to see
  7. substances
  8. groups of atoms
  9. as color, smell, or boiling point

19 Clues: made of • substances • groups of atoms • ability to cause damage • the relative size of things • the liquid phase to the gas phase • as color, smell, or boiling point • the solid phase to the liquid phase • something that is made of all the same atoms • to change the order or position of something • something by making it simpler or easier to see • ...

Glencoe Biology Chapter 6: Vocabulary 2023-12-08

Glencoe Biology Chapter 6: Vocabulary crossword puzzle
Across
  1. chemical bond which forms when two atoms share electrons
  2. reaction that released energy in the form of heat
  3. a homogeneous mixture formed when a substance is dissolved in a another substance
  4. substances that release hydroxide ions when dissolved in water
  5. a pure substance with unique properties formed when two or more different elements com
  6. substance that speeds up a chemical reaction by reducing the needed amount of activation energy
  7. a combination of two or more substance in which each component retains its individual characteristics
  8. the minimum amount of energy needed for the reactants to form products in a chemical reaction
  9. an electrical attraction between two oppositely charged atoms or groups of atoms
  10. complex macromolecules that store and transmit genetic information
  11. large molecules made from smaller repeating units of identical or nearly identical compounds linked by covelent bonds
  12. molecule with oppositely charged regions
  13. protein that speeds up a biological reaction by lowering the amount of activation energy needed to start the reaction
  14. substance(s) that exists before a chemical reaction starts
  15. particle with no charge located in the center of an atom
  16. A pure substance composed of only one type of atom. A pure substance that cannot be broken down into other substances by physical or chemical means
  17. two or more atoms of the same element having different number of neutron
Down
  1. a compound in which the atoms are held together by covalent bonds
  2. negatively charged particle located outside the nucleus
  3. substances that release hydrogen ions when dissolved in water
  4. large molecules formed by joining smaller organic molecules together
  5. small compounds made up of carbon, nitrogen, oxygen, hydrogen, and sometimes sulfur. The building block of protein
  6. reaction that absorbed heat energy
  7. reactants that bind to the enzyme
  8. mixtures that can react with acids or bases to keep pH within a particular range
  9. der Waals the attractive force between the positive and negative regions of different molecules
  10. the substance that is dissolved in the solvent
  11. the measure of the concentration of hydrogen ions present in a solution
  12. organic compounds made of small carbon compounds called amino acids joined by peptide bonds
  13. energy-requiring process by which atoms or groups of atoms are changed into different substances
  14. atom that is negatively or positively charged because it has lost or gained one or more electrons
  15. a subunit of nucleic acid formed from a simple sugar, a phosphate group, and a nitrogen base
  16. compounds composed of carbon, hydrogen, and oxygen in a ratio of one oxygen and two hydrogen atoms for each carbon ato
  17. positively charged particle located in the center of an atom
  18. hydrophobic biological molecules made mostly of carbon and hydrogen atoms that make up fats, oils, and waxes
  19. the substance in which another substance is dissolved
  20. substance(s) formed during the chemical reaction
  21. weak electrostatic bond formed by the attraction of opposite charges between a hydrogen atom and oxygen, flourine, or nitrogen atom
  22. located at the center of the atom, consists of protons and neutrons
  23. the building blocks of matter; contain subatomic particles: neutrons, electrons, and protons

40 Clues: reactants that bind to the enzyme • reaction that absorbed heat energy • molecule with oppositely charged regions • the substance that is dissolved in the solvent • substance(s) formed during the chemical reaction • reaction that released energy in the form of heat • the substance in which another substance is dissolved • ...

Chapter 2 2022-09-19

Chapter 2 crossword puzzle
Across
  1. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
  2. The building block of matter; the smallest possible particle of an element.
  3. An attraction between two atoms as a result of sharing or transferring valence electrons.
  4. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  5. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  6. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  7. A substance that can produce hydroxide ions or accept hydrogen ions in solution.
  8. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  9. The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
  10. The tendency of energy to disperse and become less available to do work.
  11. A change in substance that does not change the identity of the substance.
  12. A measurement of the average speed of the particles within a substance.
  13. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  14. A naturally occurring catalyst, usually a protein.
  15. The smallest particle of a covalently bonded compound.
  16. A class of organic compounds that serve as the building blocks of proteins.
Down
  1. A pure substance made from two or more elements that are chemically combined.
  2. The attraction of particles in one substance for particles in a different substance.
  3. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  4. The attraction between like particles within polar substances.
  5. A substance that can produce hydrogen ions in solution.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. A pure substance made of only one kind of atom.
  8. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  10. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  11. A covalently bonded compound containing the element carbon.
  12. The physical stuff that makes up the universe. Anything that occupies space and has mass.
  13. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.

29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions in solution. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • ...

Chapter 2 2022-09-19

Chapter 2 crossword puzzle
Across
  1. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
  2. The building block of matter; the smallest possible particle of an element.
  3. An attraction between two atoms as a result of sharing or transferring valence electrons.
  4. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  5. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  6. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  7. A substance that can produce hydroxide ions or accept hydrogen ions in solution.
  8. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  9. The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
  10. The tendency of energy to disperse and become less available to do work.
  11. A change in substance that does not change the identity of the substance.
  12. A measurement of the average speed of the particles within a substance.
  13. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  14. A naturally occurring catalyst, usually a protein.
  15. The smallest particle of a covalently bonded compound.
  16. A class of organic compounds that serve as the building blocks of proteins.
Down
  1. A pure substance made from two or more elements that are chemically combined.
  2. The attraction of particles in one substance for particles in a different substance.
  3. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  4. The attraction between like particles within polar substances.
  5. A substance that can produce hydrogen ions in solution.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. A pure substance made of only one kind of atom.
  8. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  10. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  11. A covalently bonded compound containing the element carbon.
  12. The physical stuff that makes up the universe. Anything that occupies space and has mass.
  13. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.

29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions in solution. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • ...

Bio Ch. 2 Chemistry Of Living Things 2023-06-16

Bio Ch. 2 Chemistry Of Living Things crossword puzzle
Across
  1. the building block of matter; the smallest part of an element possible
  2. a substance that is present before a chemical reaction ad takes part in it, usually shown on the left-hand side of a chemical equation
  3. a substance that can produce hydrogen ions in solution
  4. a covalently bonded compound containing the element carbon
  5. a substance that can produce hydroxide ions or accept hydrogen ions in solution
  6. a class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things
  7. the tendency of of energy to disperse and become less available to do work
  8. a change in a substance that does not change the identity of the substance
  9. the process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent
  10. a measure of the average speed of the particles within a substance
  11. an organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose
  12. a class of simple organic compounds, important in living things as a source of both energy and structure
  13. the smallest particle of a covalently bonded compound
  14. a substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction
Down
  1. the physical stuff that makes up the universe. Anything that occupies space and has mass
  2. the substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation
  3. a class of organic compounds that serve as the building blocks of proteins
  4. the attraction of particles in one substance for particles in a different substance
  5. the process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
  6. a class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
  7. a pure substance made from two or more elements that are chemically combined
  8. an attraction between two atoms as a result of sharing or transferring valence electrons
  9. a pure substance made of only one kind of atom
  10. the attraction between like particles within polar substances
  11. a substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes
  12. the ability to do work, especially in Biology, the driver of the physical and chemical process necessary for life
  13. a naturally occurring catalyst, usually a protein
  14. a change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance
  15. quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive

29 Clues: a pure substance made of only one kind of atom • a naturally occurring catalyst, usually a protein • the smallest particle of a covalently bonded compound • a substance that can produce hydrogen ions in solution • a covalently bonded compound containing the element carbon • the attraction between like particles within polar substances • ...

Biology key-terms chapter 2 2023-09-21

Biology key-terms chapter 2 crossword puzzle
Across
  1. A class of organic compounds that serve as building blocks of proteins
  2. A class of non-polar organic compounds that are in soluble in water and are used for energy storage and cell membranes in living things.
  3. The ability to work. Especially in biology the drive of the physical and chemical process for life.
  4. A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in the solution.
  5. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  6. A substance that is present before a chemical reaction and takes part in it, usually shown I=on the left-hand side of the chemical equation
  7. The Physical stuff that makes up the universe. Any thing that occupies space.
  8. A convaletly bonded compound containing the element carbon.
  9. A class or organic compounds that serve as the building blocks of for the information storage molecules DNA and RNA
  10. A substance that which is made out of one kind of atom
  11. the tendency of energy to disperse and become less available to do work
Down
  1. The process in which one substance and the solute is broken up into smaller pieces by and distributed within a second substance, which is known as the solvent.
  2. Does not change the identity in a substance
  3. The building block of matter
  4. Quality of molecules having an uneven distribution of electrical charge resulting in some religions of a molecule having negative charge while others are positive
  5. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original source
  6. A substance that binds with enzyme and reduces its activity thus slowing a chemical reaction that the enzyme catalyst
  7. An organic compound comprised of the elements of carbon, hydrogen \, and oxygen which includes sugars starch and cellulose
  8. The substance formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation
  9. An attraction between two atoms as a result of sharing for transferring valence electrons.
  10. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  11. The attraction of particles in one substance for particles in a different substance
  12. A pure substance made from 2 or more elements that are chemically combined
  13. The smallest particle of a convaletly bonded pound
  14. A measurement of an average speed of the particles in a substance
  15. A substance that can produce hydrogen ions (H') in solution
  16. A naturally occurring catalyst, usually a protein
  17. A class of simple organic compounds important in living things as a source of both energy and structure
  18. The attraction between like particles within polar substances.

29 Clues: The building block of matter • Does not change the identity in a substance • A naturally occurring catalyst, usually a protein • The smallest particle of a convaletly bonded pound • A substance that which is made out of one kind of atom • A substance that can produce hydrogen ions (H') in solution • A convaletly bonded compound containing the element carbon. • ...

Chapter 2 Vocabulary Puzzle 2024-09-23

Chapter 2 Vocabulary Puzzle crossword puzzle
Across
  1. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
  2. The building block of matter; the smallest possible particle of an element.
  3. An attraction between two atoms as a result of sharing or transferring valance electrons.
  4. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  5. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  6. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  7. A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution.
  8. A class of nonpolar organic compounds that are insoluble in water are are used for energy storage and cell membranes in living things.
  9. The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
  10. The tendency of energy to disperse and become less available to do work.
  11. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
  12. A measurement of the average speed of the particles within a substance.
  13. An organic compound comprised of the elements carbon, hydrogen, and oxygen; including sugars, starch, and cellulose.
  14. A naturally occurring catalyst, usually a protein.
  15. The smallest particle of a covalently bonded compound.
  16. A class of organic compounds that serve as the building blocks of proteins.
Down
  1. A pure substance made from two or more elements that are chemically combined.
  2. The attraction of particles in one substance for particles in a different substance.
  3. A substance that binds to an enzyme and reduces its activity thus slowing a chemical reaction that the enzyme catalyzes.
  4. The attraction between like particles within polar substances.
  5. A substance that can produce hydrogen ions (H+) in solution.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. A pure substance made of only one kind of atom.
  8. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  10. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  11. A covalently bonded compound containing the element carbon.
  12. The physical stuff that makes up the universe. Anything that occupies space and has mass.
  13. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.

29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A covalently bonded compound containing the element carbon. • A substance that can produce hydrogen ions (H+) in solution. • The attraction between like particles within polar substances. • ...

Chemical Bonds 2021-10-14

Chemical Bonds crossword puzzle
Across
  1. When groups of atoms are held together with these chemical bonds we call that substance a ___.
  2. A(n) ____ reaction happens when chemical bonds give off heat.
  3. We identify that substance using a chemical ______.
  4. a particle that contains protons, neutrons, and electrons.
  5. Atoms can be linked to one another through chemical _____.
Down
  1. An electron in outer shell associated with an atom.
  2. A chemical _____ occurs when chemical bonds are broken.
  3. When substances react and chemical bonds are formed or broken, then a chemical _____ has occurred.
  4. Has 6 protons
  5. Has 1 proton

10 Clues: Has 1 proton • Has 6 protons • An electron in outer shell associated with an atom. • We identify that substance using a chemical ______. • A chemical _____ occurs when chemical bonds are broken. • a particle that contains protons, neutrons, and electrons. • Atoms can be linked to one another through chemical _____. • ...

Chapter 2 chemistry of life 2024-09-14

Chapter 2 chemistry of life crossword puzzle
Across
  1. negatively charged subatomic particle
  2. positively or negatively charged atom
  3. compound that forms hydroxide ions in solution
  4. positively charged subatomic particle
  5. carbon compound that stores and transmits genetic information
  6. macromolecule formed when monomers join together
  7. the center of an atom
  8. monomer of protein
  9. compound that forms hydrogen ions in solution
Down
  1. bond formed when one or more electrons are transferred from one atom to another
  2. element or compound that enters into a chemical reaction
  3. basic unit of matter
  4. REACTION process that changes one set of chemicals into another
  5. monomer of nucleic acid
  6. bond formed when electrons are shared between atoms
  7. atom of an element that differs in the number of neutrons compared with other atoms of the same element
  8. substance formed by the chemical combination of elements

17 Clues: monomer of protein • basic unit of matter • the center of an atom • monomer of nucleic acid • negatively charged subatomic particle • positively or negatively charged atom • positively charged subatomic particle • compound that forms hydrogen ions in solution • compound that forms hydroxide ions in solution • macromolecule formed when monomers join together • ...

Limestone - Key words crossword 2012-11-11

Limestone - Key words crossword crossword puzzle
Across
  1. A white solid made by heating limestone strong, e.g. in a lime kiln.
  2. To break a chemical down by using heat.
  3. Rain containing relatively high concentrations of acid-forming compounds.
  4. The main compound found in limestone. It is a white solid whose formula is CaCO3.
  5. A building material made by mixing cement, sand and aggregate (crushed rock) with water.
Down
  1. The common name for calcium hydroxide solution.
  2. A white solid made by reacting calcium oxide with water. It is used as a cheap alkali in industry.
  3. A substance made as a result of a chemical reaction.
  4. The chemical reaction of an acid with a base in which they cancel each other out, forming a salt and water. If the base is a carbonate or hydrogen carbonate, carbon dioxide is also produced in the reaction.
  5. A rock that mainly consists of calcium carbonate, CaCO3.
  6. A building material used to bind bricks together. It is made by mixing cement and sand with water.
  7. A building material made by heating limestone and clay.
  8. A substance we start with before a chemical reaction takes place.

13 Clues: To break a chemical down by using heat. • The common name for calcium hydroxide solution. • A substance made as a result of a chemical reaction. • A building material made by heating limestone and clay. • A rock that mainly consists of calcium carbonate, CaCO3. • A substance we start with before a chemical reaction takes place. • ...