chemical reaction Crossword Puzzles

Phototsynthesis and Cellular Respiration 2022-04-21

Phototsynthesis and Cellular Respiration crossword puzzle
Across
  1. the metabolic pathway that converts glucose into pyruvic acid
  2. where photosynthesis takes place
  3. converts light energy into chemical energy; produces ATP molecules
  4. space inside cristae
  5. cycle that produces 2 ATP, NADH, and FADH2+CO2
  6. replaces lost electrons by splitting water
  7. pathway of respiration process that does not require oxygen
Down
  1. reaction that breaks down complex molecules into simpler ones
  2. pathway of respiration process that requires oxygen
  3. as light increases, rate of photosynthesis increases
  4. series of proteins in thylakoid membrane
  5. connections between grana in the chlorophyll
  6. packets of energy that travel in waves
  7. energy is being released from chemical reaction
  8. the pigment in chloroplasts that absorb all light except green

15 Clues: space inside cristae • where photosynthesis takes place • packets of energy that travel in waves • series of proteins in thylakoid membrane • replaces lost electrons by splitting water • connections between grana in the chlorophyll • cycle that produces 2 ATP, NADH, and FADH2+CO2 • energy is being released from chemical reaction • ...

Aimee's science and Christmas crossword 2024-12-20

Aimee's science and Christmas crossword crossword puzzle
Across
  1. a chemical element with the symbol O and atomic number 8.
  2. Is lime an acid or alkaline
  3. atoms bonded togather
  4. What do you call the new substances formed in a reaction
  5. what are the starting substance in a chemical reaction called
  6. Something people use to light up signs
  7. A element that is very yellow and shiny
  8. A candy that is red and white
Down
  1. A alkiline that you use to brush your teeth
  2. Something that is flexable and conducts electricity
  3. A fans favorite cookie in christmas
  4. Is sulfur dioxide an element or a compound
  5. Is sulfur an element or compound
  6. mans favorite pet
  7. is lemon acid or alkiline
  8. A element you use to clean your teeth

16 Clues: mans favorite pet • atoms bonded togather • is lemon acid or alkiline • Is lime an acid or alkaline • A candy that is red and white • Is sulfur an element or compound • A fans favorite cookie in christmas • A element you use to clean your teeth • Something people use to light up signs • A element that is very yellow and shiny • Is sulfur dioxide an element or a compound • ...

Vocabulary for Jan. 21-24 2025-01-17

Vocabulary for Jan. 21-24 crossword puzzle
Across
  1. the same distance from two or more objects
  2. the new substances formed as a result of a chemical reaction
  3. a large burial chamber, usually above ground
  4. a national government's policies toward other nations
  5. in the middle of
  6. consisting of fine particles
  7. substances that undergo change in a chemical reaction
  8. an integer less than ten
Down
  1. protein found in milk and dairy products
  2. in a way that is not controlled or limited
  3. causing great physical or mental pain
  4. available to be chosen
  5. two related story lines that come together at the end of a book or movie
  6. a set of points that satisfies a given condition
  7. nitrogen base found in DNA, pairs with thymine

15 Clues: in the middle of • available to be chosen • an integer less than ten • consisting of fine particles • causing great physical or mental pain • protein found in milk and dairy products • in a way that is not controlled or limited • the same distance from two or more objects • a large burial chamber, usually above ground • nitrogen base found in DNA, pairs with thymine • ...

Photosynthesis Revision 2025-12-12

Photosynthesis Revision crossword puzzle
Across
  1. dioxide what diffuses into the leaf
  2. the process by which plants make their own food
  3. the green pigment in plants
  4. The new substances that are made in a chemical reaction.
  5. what diffuses out of the leaf
  6. a plant that can live under water
  7. what is absorbed by chlorophyll
  8. what plants use an energy source
  9. The starting substances that go into a chemical reaction.
Down
  1. what is diffused into the root cells
  2. Plant cell structure where photosynthesis happen
  3. Process that uses glucose to release energy in plant and animal cells
  4. what transports the water through the plant
  5. something that makes its own food
  6. The energy source needed for photosynthesis

15 Clues: the green pigment in plants • what diffuses out of the leaf • what is absorbed by chlorophyll • what plants use an energy source • something that makes its own food • a plant that can live under water • dioxide what diffuses into the leaf • what is diffused into the root cells • what transports the water through the plant • The energy source needed for photosynthesis • ...

Chemistry by Olivia Moore 2025-03-25

Chemistry by Olivia Moore crossword puzzle
Across
  1. a sign a chemical change is happening
  2. one state of matter
  3. the smallest unit of a element
  4. two or more atoms joined by bonds
  5. a substance that promotes chemical change
  6. any substance that cause a chemical change
  7. the product of a reactant
Down
  1. a solid object
  2. atoms of 2 or more different elements
  3. paper can be used as a indicator of ph
  4. can form because of a chemical reaction
  5. a state of matter
  6. makes a product
  7. a substance that cannot be separated into other substances
  8. scale a scale that shows the ph a something

15 Clues: a solid object • makes a product • a state of matter • one state of matter • the product of a reactant • the smallest unit of a element • two or more atoms joined by bonds • a sign a chemical change is happening • atoms of 2 or more different elements • paper can be used as a indicator of ph • can form because of a chemical reaction • a substance that promotes chemical change • ...

Vocabulary Crossword 2025-10-27

Vocabulary Crossword crossword puzzle
Across
  1. The smallest unit in a chemical Compound
  2. States like liquid solid and gas
  3. The substances that react to a chemical reacton
  4. the law that states that energy cannot be created or destroyed
  5. the energy an object possess due to its motion
  6. the potential energy stored in the bonds between atoms and molecules, which is released or absorbed during a chemical reaction
  7. The outcome of a chemical reactions
  8. a substance made by mixing other substances together.
  9. The building block of life.
  10. A negatively Charged Atom
  11. the quality of being hot; high temperature.
  12. A measurement of how much mass is in a object
  13. the sum of an object's kinetic energy due to its motion
  14. Something that is evenly mixed
  15. the emission of energy as electromagnetic waves or as moving subatomic particles
  16. Something that is not evenly mixed
  17. a material that resists the flow of electricity, heat, or sound
Down
  1. a characteristic that describes a substance's ability to undergo a chemical reaction and change into a new substance
  2. Something that is composed of one or more Elements
  3. the total kinetic energy of the random motion of all the atoms and molecules within a substance
  4. A characteristic of matter that can be observed or measured without changing its chemical identity
  5. the energy an object has due to its position in a gravitational field
  6. The amount of stored energy in a substance
  7. a Positively charged neutron
  8. the amount of matter in a substance
  9. a measure of the average kinetic energy of the particles within a substance, indicating its degree of hotness or coldness
  10. the four States of matter
  11. a change in the form or appearance of a substance, but not its chemical composition
  12. The ability to work or cause change
  13. a process that creates a new substance by transforming one or more substances through a chemical reaction
  14. a material that allows the flow of energy, such as heat or electricity, with minimal resistance
  15. a systematic arrangement of the chemical elements, organized by increasing atomic number
  16. The transfer of heat or physical energy to an object
  17. The ability to be disolved
  18. Anything that has mass or takes up space
  19. the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink
  20. A substance that cant be broken down anymore
  21. A neutrally charged atom
  22. A substance that is only one atom or compound
  23. The amount of protons and neutrons in a atom

40 Clues: A neutrally charged atom • the four States of matter • A negatively Charged Atom • The ability to be disolved • The building block of life. • a Positively charged neutron • Something that is evenly mixed • States like liquid solid and gas • Something that is not evenly mixed • the amount of matter in a substance • The ability to work or cause change • ...

Photosynthesis and Cellular Respiration Crossword Puzzle 2023-05-03

Photosynthesis and Cellular Respiration Crossword Puzzle crossword puzzle
Across
  1. organism that can make its own food
  2. process plants use to turn sunlight into food
  3. Mrs. Price needs this
  4. breaking down glucose into useful energy
  5. gas that plants release during photosynthesis
  6. simple sugar that is an important energy source in living organisms
  7. absorb water and minerals from the ground and anchors the plant
  8. organism that cannot make its own food
  9. output of a chemical reaction
  10. openings on the underside of a leaf
  11. form of energy cells can store and use that comes from glucose
  12. carries water and minerals through a plant
Down
  1. gas that plants take in their leaves during photosynthesis
  2. location where photosynthesis occurs
  3. simple sugar produced by plants and used for food
  4. C6H12O6
  5. carries glucose through a plant
  6. input of a chemical reaction
  7. pigment that absorbs sunlight
  8. supporting structure of a plant that connects roots and leaves

20 Clues: C6H12O6 • Mrs. Price needs this • input of a chemical reaction • pigment that absorbs sunlight • output of a chemical reaction • carries glucose through a plant • organism that can make its own food • openings on the underside of a leaf • location where photosynthesis occurs • organism that cannot make its own food • breaking down glucose into useful energy • ...

Chemistry 2024-12-19

Chemistry crossword puzzle
Across
  1. any atom or group of atoms that bears one or more charge
  2. number of atoms or ions in one mole of a substance
  3. A process where electrons are gained
  4. Chemical reaction that releases heat
  5. Reaction between an acid and a base
  6. Chemical substance that speeds up reactions
  7. where oxygen is added to a substance
  8. mixture where particles are evenly distributed
Down
  1. Substance made of two or more elements chemically combined
  2. type of bonding in metals
  3. Type of ion formed when an atom gains electrons
  4. Type of bond formed by losing or gaining electrons
  5. A process where gas turns into liquid
  6. pH level of a strong acid
  7. process by which electric current is passed through a substance
  8. pH level of neutral substance
  9. Ion with positive charge
  10. Group elements in group 7

18 Clues: Ion with positive charge • type of bonding in metals • pH level of a strong acid • Group elements in group 7 • pH level of neutral substance • Reaction between an acid and a base • A process where electrons are gained • Chemical reaction that releases heat • where oxygen is added to a substance • A process where gas turns into liquid • ...

Advanced Physical Science - Semester 2 exam - Chapter 7 2022-05-21

Advanced Physical Science - Semester 2 exam - Chapter 7 crossword puzzle
Across
  1. Type of reaction in which two different compounds exchange positive ions to form new compounds is _____ replacement.
  2. Types of reaction in which two reactants form one product.
  3. In a chemical equation the ______ are on the left side of the arrow.
  4. Type of reaction in which one reactant forms two products.
Down
  1. You can balance a chemical equation by changing the _____, the numbers that appear before the formula.
  2. When the forward and reverse paths of a change occur at the same rate.
  3. The statement that in chemical reactions, the total mass of the reactants equals the total mass of the products is the law of conservation of _____.
  4. During a _____ reaction, electrons are both gained and lost.
  5. Type of reaction in which one element takes the place of another in a compound is ______ replacement.

9 Clues: Types of reaction in which two reactants form one product. • Type of reaction in which one reactant forms two products. • During a _____ reaction, electrons are both gained and lost. • In a chemical equation the ______ are on the left side of the arrow. • When the forward and reverse paths of a change occur at the same rate. • ...

Enzymes and Energy 2024-12-16

Enzymes and Energy crossword puzzle
Across
  1. The entirety of an organism’s chemical reactions.
  2. Reaction type requiring energy input to proceed, often non-spontaneous
  3. Energy measurement, equivalent to the energy required to raise the temperature of 1 gram of water by 1°C.
  4. The primary energy currency of the cell, providing energy for various biological processes.
  5. Biological catalyst.
  6. Process where proteins lose their native conformation due to external factors.
  7. Polymer of amino acids
  8. Pathway that deconstructs complex molecules, often coupled with energy release in the form of ATP.
  9. Describes a spontaneous reaction where the free energy of the system decreases.
Down
  1. The molecule upon which an enzyme acts.
  2. Threshold that reactants must surpass for a chemical reaction to occur.
  3. Organic molecule required by certain enzymes for catalytic function.
  4. Form of energy dependent on an object's position, composition, or configuration.
  5. Molecule that decreases enzyme activity by binding to its active site or allosteric site.
  6. Metabolic pathway responsible for synthesizing complex molecules from simpler ones.
  7. Specific enzyme region where substrates bind.

16 Clues: Biological catalyst. • Polymer of amino acids • The molecule upon which an enzyme acts. • Specific enzyme region where substrates bind. • The entirety of an organism’s chemical reactions. • Organic molecule required by certain enzymes for catalytic function. • Reaction type requiring energy input to proceed, often non-spontaneous • ...

Chemistry Crossword Puzzle 2016-04-03

Chemistry Crossword Puzzle crossword puzzle
Across
  1. The minimal amount of any physical entity involved in an interaction
  2. How close a result comes to the true value
  3. A white crystalline substance that gives seawater its characteristic taste and is used for seasoning
  4. The process by which an atom or molecule acquires a negative or positive charge
  5. The chemical formula of Sulfuric acid
  6. The distance between successive crests of a wave, especially points in a sound or electromagnetic wave
  7. An atom or molecule with a net electric charge due to loss or gain of one or more electrons
  8. The Greek prefix for "ten"
  9. An atom or nucleus having a specific # of protons & neutrons
  10. A solution of hydrogen fluoride in water
  11. The chemical formula of Potassium hydroxide
  12. Colorless fluid part of blood
  13. A unit of pressure and sometimes used as a reference or standard pressure
  14. The Greek prefix for "one"
  15. The Greek prefix for "four"
  16. The solute state of carbon dioxide in water
  17. A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  18. The # of positive charges or protons in an atoms nucleus
  19. A chemical reaction in which a single substance is produced from multiple reactants
  20. A measure of the size of its atoms; typical distance from the center of the nucleus to the boundary of the electrons
  21. An insoluble solid that emerges from a liquid solution
  22. A weak bond between 2 molecules resulting from an electrostatic attraction between a proton in one molecule & an electronegative atom in the other
  23. Mass of a substance divided by its amount of substance
  24. The chemical formula of Sodium hydroxide
  25. Principals on which the practice of an activity is based
  26. Idea or theory that's not proven but leads to more study
  27. The Greek prefix for "eight"
  28. The mass of a substance containing the same number of fundamental units as there are atoms
  29. The Greek prefix for "nine"
  30. A part of aspect of something abstract
  31. A small object built to scale that represents another object
  32. Separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multiple moment
  33. The sum of the atomic weights of the atom in the empirical formula of the compound
  34. An odorless, colorless gas that can kill you
Down
  1. Is a visual representation of a reaction using chemical formulas
  2. Having a consistency like that of water or oil
  3. A chemical compound that contains exactly two different elements
  4. An activity series list metals and other elements in order of their reactivity, with the most reactive elements at the top
  5. A specified or indefinite number or amount
  6. The chemical formula of Nitric acid
  7. A discrete bundle (or quantum)of electromagnetic (or light) energy
  8. Named after French mathematician, physicist, inventor, writer Blaise Pascal
  9. When heated in air will decompose to give elemental mercury, a liquid metal, and oxygen gas
  10. The lowest energy state of an atom or other particle
  11. The chemical formula of Hydrochloric acid
  12. Sum of masses of its isotopes x natural abundance
  13. The percentage of a formula mass represented by each element
  14. It is quantitatively expressed in symbols as: X + energy -> X + e
  15. Are the result of a model which combines atomic orbitals on a single atom that lead to a new set of orbitals
  16. A coherent,typically large body of matter
  17. A system of names and terms used in a particular field of study or community
  18. A reaction in which one of the reactants is oxygen, the other reactants is usually hydrocarbon
  19. A written representation of a chemical reaction, - symbols and amounts of reactants are separated in an equation
  20. The idea that atomic orbitals fuse to form newly hybridized orbitals, which influences molecular geometry & bonding properties
  21. A chemical element with the symbol Li
  22. The basic unit of a chemical element
  23. A pair of equal and oppositely charged or magnetized poles separated by a distance
  24. 3 dimensional space occupied by gas, liquid or solid
  25. Any of the elements fluorine, chlorine, bromine, iodine, and astatine occupying group VIIA (17)
  26. Is = to 1/12 the mass of carbon-12 atom
  27. The rate at which something occurs or is repeated over a particular period of time
  28. Physical substance in general, as distinct from mind & spirit
  29. What the "10" represents in P4O10.
  30. A negatively charged ion, one that would be attracted to the anode in electrolysis
  31. The chemical formula of Calcium

65 Clues: The Greek prefix for "ten" • The Greek prefix for "one" • The Greek prefix for "four" • The Greek prefix for "nine" • The Greek prefix for "eight" • Colorless fluid part of blood • The chemical formula of Calcium • What the "10" represents in P4O10. • The chemical formula of Nitric acid • The basic unit of a chemical element • The chemical formula of Sulfuric acid • ...

stuff 2022-03-03

stuff crossword puzzle
Across
  1. scatter
  2. sound ___
  3. mech
  4. cloud
  5. bounce off
  6. hot and cold
  7. flash ___
  8. spunge
Down
  1. short
  2. reaction
  3. phone
  4. rub

12 Clues: rub • mech • short • phone • cloud • spunge • scatter • reaction • sound ___ • flash ___ • bounce off • hot and cold

#6 - Photosynthesis Recap 2022-10-27

#6 - Photosynthesis Recap crossword puzzle
Across
  1. the substances present before a chemical reaction
  2. The pigment found in chloroplasts that absorbs the sunlight
  3. An organism that can make its own food
  4. The product of photosynthesis used for energy
  5. the substances present after a chemical reaction
  6. Reactant for photosynthesis that we breathe out (the gas reactant)
  7. Reactant for photosynthesis that plants can get from the ground or rain
Down
  1. An organism that consumes other organisms for food
  2. the energy source for photosynthesis
  3. The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
  4. The organelle where photosynthesis occurs
  5. The chemical makeup of a substance
  6. the gas released as a product of photosynthesis that we breathe in

13 Clues: The chemical makeup of a substance • the energy source for photosynthesis • An organism that can make its own food • The organelle where photosynthesis occurs • The product of photosynthesis used for energy • the substances present after a chemical reaction • the substances present before a chemical reaction • An organism that consumes other organisms for food • ...

unit 2: Thermochemistry 2025-03-26

unit 2: Thermochemistry crossword puzzle
Across
  1. study of measuring the amount of heat absorbed or released during a chemical reaction
  2. chemical reaction or physical change that releases heat
  3. change from liquid state to gaseous state
  4. ____ energy of a particle or system of particles derived from relative position, composition or condition
  5. process chemical reaction or physical change that absorbs heat
  6. energy transferred when a force moves an object against another force
Down
  1. if a process can be represented as the sum of several steps, the enthalpy change of the process equals the sum of the enthalpy changes of the steps
  2. device designed to measure the energy change for processes occurring under conditions of constant volume
  3. transfer of thermal energy between two bodies
  4. change from a solid state to a gaseous state
  5. capacity to supply heat or do work

11 Clues: capacity to supply heat or do work • change from liquid state to gaseous state • change from a solid state to a gaseous state • transfer of thermal energy between two bodies • chemical reaction or physical change that releases heat • process chemical reaction or physical change that absorbs heat • energy transferred when a force moves an object against another force • ...

Science 2022-09-02

Science crossword puzzle
Across
  1. large area covered by characterized vegetation
  2. an individual animal plant
  3. orderly formation of cells
  4. groups of cells with similiar structure
  5. subset of individuals
  6. bilogical community
Down
  1. many cells
  2. chemical process in cells
  3. group living in the same location
  4. one cell
  5. the regions of the surface
  6. reaction
  7. reason of reaction
  8. smallest unit that can live on its own
  9. system group of cells that work together

15 Clues: one cell • reaction • many cells • reason of reaction • bilogical community • subset of individuals • chemical process in cells • an individual animal plant • the regions of the surface • orderly formation of cells • group living in the same location • smallest unit that can live on its own • groups of cells with similiar structure • system group of cells that work together • ...

THERMODYNAMICS 2023-12-01

THERMODYNAMICS crossword puzzle
Across
  1. first aid kits contain an ___ ___ that you can use to limit swelling
  2. warm air ___, while cold air sinks
  3. football fans often drop a ___ ___ in their pocket so they don't get cold
  4. when a chemical reaction gets colder
  5. the name of this course
  6. most water on Earth is in the ___ state of matter
  7. when water reaches 32 , it will ___
  8. -460
Down
  1. when a chemical reaction gets hotter
  2. scale that is used in science because it can reach 0
  3. tool used to measure temperature
  4. water in the frozen form is in a ___ state of matter
  5. temperature scale used in the United States
  6. trucks add this to snow covered streets to lower the freezing point
  7. temperature scale used throughout the world
  8. when water reaches 212 , it will ___
  9. element inside of a liquid thermometer
  10. any change in temperature

18 Clues: -460 • the name of this course • any change in temperature • tool used to measure temperature • warm air ___, while cold air sinks • when water reaches 32 , it will ___ • when a chemical reaction gets hotter • when a chemical reaction gets colder • when water reaches 212 , it will ___ • element inside of a liquid thermometer • temperature scale used in the United States • ...

Biology Crossword 2020-10-08

Biology Crossword crossword puzzle
Across
  1. / an organ or cell that can respond to signals
  2. / used to describe something that does not require oxygen
  3. respiration / aerobic process
  4. / higher osmotic pressure than a substance
  5. / outcome of chemical reactions
  6. / colorless fluid
  7. cycle / series of chemical reactions
  8. / provides most of the chemical energy
  9. / organelle that stores DNA
  10. / substance that produces color
  11. / maintaining internal status
  12. / acceptor of energized electrons
  13. / organic compound that provides energy
  14. / movement of high concentration to low
  15. / same osmotic pressure as a substance
Down
  1. / relating or requiring oxygen
  2. membrane / membrane that separates the interior from exterior
  3. / protoplasm within a living cell
  4. / contains amino acids
  5. / enlarges the rate of chemical reaction
  6. / organelles that conduct photosynthesis
  7. / living organism that produces organic substances
  8. / metabolic process
  9. / movement of low concentration to high
  10. / vesicle within the cytoplasm

25 Clues: / colorless fluid • / metabolic process • / contains amino acids • / organelle that stores DNA • / maintaining internal status • / relating or requiring oxygen • respiration / aerobic process • / vesicle within the cytoplasm • / outcome of chemical reactions • / substance that produces color • / protoplasm within a living cell • / acceptor of energized electrons • ...

Chemistry Vocabulary 2022-02-18

Chemistry Vocabulary crossword puzzle
Across
  1. Electrons in the outermost shell of an atom
  2. The most reactive group of metals on the periodic table
  3. The part of the atom with a positive charge
  4. An atom that has lost or gained one or more electrons
  5. A substance composed of two or more chemical elements
  6. The results of a chemical reaction
  7. The least reactive group on the periodic table
Down
  1. The heaviest part of an atom
  2. Substance used to cause a chemical reaction
  3. The smallest part of an atom
  4. Where the protons and neutrons are found in a atom
  5. the base unit of amount of a substance as determined by the International System of Units
  6. The smallest unit of matter that forms a element

13 Clues: The heaviest part of an atom • The smallest part of an atom • The results of a chemical reaction • Substance used to cause a chemical reaction • Electrons in the outermost shell of an atom • The part of the atom with a positive charge • The least reactive group on the periodic table • The smallest unit of matter that forms a element • ...

Enzyme Crossword Puzzle 2024-10-16

Enzyme Crossword Puzzle crossword puzzle
Across
  1. all the chemical reactions that take place in your body
  2. when an enzyme changes active site shape after being exposed to extreme temperature
  3. reactant or starting product that attaches to an enzyme
  4. suffix that means enzymes ex: sucrase
  5. things created a the end of the chemical reaction
  6. category of macromolecules that enzymes fall into
  7. catalyst that speeds up chemical reactions
  8. other suffix that means enzymes- like in pepsin
  9. the highest or best range that an enzyme works in
  10. fill in the blank: enzymes are _______ specific
Down
  1. otherwise known as the ESC- what is created when the substrate connects to the the enzyme
  2. energy amount of energy needed for a reaction to occur
  3. location where substrate attaches to enzyme

13 Clues: suffix that means enzymes ex: sucrase • catalyst that speeds up chemical reactions • location where substrate attaches to enzyme • other suffix that means enzymes- like in pepsin • fill in the blank: enzymes are _______ specific • things created a the end of the chemical reaction • category of macromolecules that enzymes fall into • ...

macromolecules and energy 2023-11-03

macromolecules and energy crossword puzzle
Across
  1. sugar
  2. chemical reaction in bodies cells that change food into energy.
  3. single sub unit of a macro-molecule
  4. environmental factors and interspecies relationships that influence the speices
  5. breaking down glucose to produce energy
  6. 1000
  7. carbohydrate that makes up plant cell wall
  8. contains carbon and hydrogen
Down
  1. what causes the reaction
  2. additional digestion of plant material
  3. unit of mass
  4. multiple monomer bonded together
  5. removal of undigested food material
  6. unit of energy
  7. the outcome
  8. 1 science calorie
  9. fatty acids

17 Clues: 1000 • sugar • the outcome • fatty acids • unit of mass • unit of energy • 1 science calorie • what causes the reaction • contains carbon and hydrogen • multiple monomer bonded together • single sub unit of a macro-molecule • removal of undigested food material • additional digestion of plant material • breaking down glucose to produce energy • carbohydrate that makes up plant cell wall • ...

neutralizing reactions 2019-08-08

neutralizing reactions crossword puzzle
Across
  1. something bases contain
  2. Used to measure acidity
  3. Acid H2O + CO2
  4. solution with water in it
  5. something acids contain
  6. something caused by something else
  7. what comes as a result of a chemical reaction
Down
  1. to cancel out
  2. what salts are
  3. 50-50
  4. low on the pH scale
  5. produces CO2 and H2O
  6. High on the pH scale
  7. something that indicates salts
  8. created by hydroxide and hydronium

15 Clues: 50-50 • to cancel out • what salts are • Acid H2O + CO2 • low on the pH scale • produces CO2 and H2O • High on the pH scale • something bases contain • Used to measure acidity • something acids contain • solution with water in it • something that indicates salts • something caused by something else • created by hydroxide and hydronium • what comes as a result of a chemical reaction

Unit 1 Vocabulary Review 2021-12-19

Unit 1 Vocabulary Review crossword puzzle
Across
  1. Consists of two amino acids joined together by a single peptide bond.
  2. The covalent bond between the carboxyl group on one amino acid and and the amino group on the another, formed by a dehydration reaction.
  3. The specific region of an enzyme that forms the pocket in which catalysis occurs.
  4. The amount of energy that reactants must absorb before a chemical reaction will start
  5. A polymer of many amino acids linked together by peptide bonds.
  6. Any non protein molecule or ion that is required for the proper functioning of an enzyme. Can be permanently bound to the active site or may bine loosely and reversibly, along with the substrate, during catalysis.
  7. A chemical reaction that breaks down bonds between two molecules by the addition of water; functions in disassembly of polymers to monomers.
  8. A substance that reduces the activity of an enzyme by binding to a location remote from the active site, changing the enzyme’s shape so that the active site no longer effectively catalyzes the conversion of substrate to product.
  9. Caused by entry of the substrate, the change in shape of the active site of an enzyme so that it binds more snugly to the substrate.
  10. A chemical agent that selectively increases the rate of a reaction without being consumed by the reaction.
  11. A substance that reduces the activity of an enzyme by entering the active site in place of the substrate, whose structure it mimics.
  12. A solution in which water is the solvent.
  13. A polymer (polynucleotide) consisting of many nucleotide monomers; serves as a blueprint for all proteins and, through the action of proteins, for all cellular activities. The two types are DNA and RNA.
  14. Regions of repetitive coiling or folding of the polypeptide backbone of a protein due to hydrogen bonding between constituents of the backbone.
  15. A biologically functional molecule consisting of one or more polypeptides folded and coiled into a specific three-dimensional structure.
  16. The level of protein structure referring to the specific linear sequence of amino acids.
  17. The linking together of like molecules, often by hydrogen bonds.
  18. Having no affinity for water.
  19. A long molecule consisting of many similar or identical monomers linked together by covalent bonds.
  20. A covalent bond between atoms that differ in electronegativity. The shared electrons are pulled closer to the more electronegative atom, making it slightly negative and the other atom slightly positive.
  21. A lipid consisting of three fatty acids linked to one glycerol molecule; also called a fat triglyceride.
  22. A sugar (monosaccharide) or one of its dimers (disaccharides) or polymers (polysaccharides).
  23. A chemical reaction in which two molecules become covalently bonded to each other with the removal of a water molecule.
  24. A type of covalent bond in which electrons are shared equally between two atoms of similar electronegativity.
Down
  1. The amount of heat that must be absorbed or lost for 1 g of a substance to change its temperature by 1°C.
  2. Any of a group of large biological molecules, including fats, phospholipids, and steroids, that mix poorly, if at all, with water.
  3. A double sugar, consisting of two monosaccharides joined by a glycosidic linkage formed by a dehydration reaction.
  4. The attraction of a given atom for the electrons of a covalent bond.
  5. A chemical bond resulting from the attraction between oppositely charged ions.
  6. The particular shape of a complex, aggregate protein, defined by the characteristic three-dimensional arrangement of its constituent subunits, each a polypeptide.
  7. A type of strong chemical bond in which two atoms share one or more pairs of valence electrons.
  8. An organic molecule serving as a cofactor.
  9. The clinging of one substance to another, such as water to plant cell walls, in this case by means of hydrogen bonds.
  10. A macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction. Most are proteins.
  11. A type of weak chemical bond that is formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule or in another region of the same molecule.
  12. The overall shape of a protein molecule due to interactions of amino acid side chains, including hydrophobic interactions, ionic bonds, hydrogen bonds, and disulfide bridges.
  13. Having an affinity for water.
  14. A polymer of many monosaccharides, formed by dehydration reactions.
  15. A measure of how difficult it is to stretch or break the surface of a liquid.
  16. The simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Also known as simple sugars, have molecular formulas that are generally some multiple of CH2O.
  17. The subunit that serves as the building block of a polymer.

41 Clues: Having an affinity for water. • Having no affinity for water. • A solution in which water is the solvent. • An organic molecule serving as a cofactor. • The subunit that serves as the building block of a polymer. • A polymer of many amino acids linked together by peptide bonds. • The linking together of like molecules, often by hydrogen bonds. • ...

Stoichiometry Cross-Word 2015-04-13

Stoichiometry Cross-Word crossword puzzle
Across
  1. A reaction that does not react completely in a chemical reactant.
  2. The study of mass relationships in a chemical reaction.
  3. Lowest whole number ratioof elements in a compound.
  4. The actual formula, usually a representation of a covalent compound.
  5. Si unit used to describe an amount of matter
  6. The sum of the atomic masses for a compound, the mass of one mole of the substance in grams.
Down
  1. The percent of an element in a compound by mass.
  2. The volume of the mole of gas at STP 22.4L.
  3. The percent of the theoretical yeild that actually formed.
  4. The amount of a product that is actually produced by and experiment.
  5. Reactant which is depleted in a 1st chemical reaction.

11 Clues: The volume of the mole of gas at STP 22.4L. • Si unit used to describe an amount of matter • The percent of an element in a compound by mass. • Lowest whole number ratioof elements in a compound. • Reactant which is depleted in a 1st chemical reaction. • The study of mass relationships in a chemical reaction. • ...

How Are We Organised 2016-09-08

How Are We Organised crossword puzzle
Across
  1. Lipid consisting of a glycerol and 3 fatty acid chains, aka neutral fats
  2. RNA. The molecular servant of DNA. Carries out the instructions for protein synthesis
  3. Very large molecules
  4. Fatty acids that have had hydrogen forced onto the carbon chain, healthy liquid fats
  5. DNA. Nucleic acid that carries the instructions that code for the structure and function of the human body
  6. the monomers of carbohydrates, simple sugars
  7. Fatty acid chains consisting of one or more double bonds between carbon atoms
  8. Organic compounds of carbon, hydrogen, and oxygen as well as nitrogen
  9. ATP. A nucleotide that stores and releases energy for all cellular activities in a cell
  10. A biological catalyst that increases the rate of a chemical reaction without becoming part of the reaction
  11. Diverse group of organic compounds consisting of C, H, and O
Down
  1. Small building block molecules that link to form polymers
  2. Many monosaccharides linked together to make macromolecule carbohydrates
  3. Two monosaccharides linked together
  4. A reaction that breaks down polymers to form monomers, this reaction consumes a molecule of water
  5. Flat molecules formed of four interlocking rings
  6. A reaction that joins monomers to form polymers
  7. Large molecule formed by many identical or similar building block molecules called monomers
  8. Compounds containing carbon
  9. Organic compound serving as a form of chemical energy for driving metabolic reactions
  10. Organic compound consisting of carbon, oxygen, hydrogen, nitrogen and phosphorus also carries genetic information
  11. The monomers of proteins
  12. A phosphorous group and two fatty acid chains, double layer of phospholipids forms the cell membrane
  13. Fatty acid chains consisting of only single bonds between carbon atoms

24 Clues: Very large molecules • The monomers of proteins • Compounds containing carbon • Two monosaccharides linked together • the monomers of carbohydrates, simple sugars • A reaction that joins monomers to form polymers • Flat molecules formed of four interlocking rings • Small building block molecules that link to form polymers • ...

Enzymes 2025-03-18

Enzymes crossword puzzle
Across
  1. Type of enzyme regulation where a small molecule, like Ca²⁺, binds reversibly to a regulatory site, altering the enzyme's activity
  2. The molecule(s) produced as a result of an enzyme-catalyzed reaction
  3. An enzyme in the stomach that breaks down proteins into smaller peptides
  4. The characteristic of enzymes that ensures they only bind to specific substrates, like a lock and key
  5. A small organic molecule, often derived from vitamins, that helps an enzyme catalyze a reaction
  6. A biological molecule that accelerates the rate of a biochemical reaction by lowering the activation energy
  7. A molecule that participates in a chemical reaction and is transformed into a product
  8. The point where an enzyme is working at its maximum capacity because the active site is always occupied with substrate
  9. Enzyme that synthesizes ATP in the mitochondria
Down
  1. Enzyme that remove a phosphate group from a substrate in covalent modification
  2. Enzymes are made of this biological molecule
  3. An example of a cofactor that is a trace metal and helps in enzyme catalysis
  4. Enzyme that add a phosphate group to a substrate in covalent modification
  5. The official ending of most enzyme names
  6. Enzyme that breaks down fats
  7. A molecule that binds to a specific site on a protein, such as an enzyme or receptor, to trigger a response
  8. The region on an enzyme where the substrate binds
  9. The strength of the interaction between an enzyme and its substrate, determined by size, shape, and charge
  10. A non-protein molecule, often a trace metal, that assists an enzyme in its catalytic activity
  11. The molecule that binds to an enzyme's active site and is converted into a product during a chemical reaction
  12. An enzyme that breaks down starch into simpler sugars

21 Clues: Enzyme that breaks down fats • The official ending of most enzyme names • Enzymes are made of this biological molecule • Enzyme that synthesizes ATP in the mitochondria • The region on an enzyme where the substrate binds • An enzyme that breaks down starch into simpler sugars • The molecule(s) produced as a result of an enzyme-catalyzed reaction • ...

Chapter 18 Vocab 2020-11-30

Chapter 18 Vocab crossword puzzle
Across
  1. a chemical reaction in which the products re-form the original reactants
  2. a number that relates the concentrations of starting materials and products of a reversible chemical reaction to one another at a given temperature
  3. the term Ka
  4. the phenomenon in which the addition of a n ion common to two solutes brings about precipitation or reduces ionization.
Down
  1. a solution that can resist changes in pH when an aid or a base is added to it; a buffer
  2. the equilibrium constant for a solid that is in equilibrium with the solid's dissolved ions
  3. a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
  4. a chemical reaction between water and another substance to form two or more new substances; a reaction between water an a salt to create an acid or a base.
  5. the equation for the equilibrium constant, Keq

9 Clues: the term Ka • the equation for the equilibrium constant, Keq • a chemical reaction in which the products re-form the original reactants • a solution that can resist changes in pH when an aid or a base is added to it; a buffer • the equilibrium constant for a solid that is in equilibrium with the solid's dissolved ions • ...

Reactions and Energy 2021-02-22

Reactions and Energy crossword puzzle
Across
  1. A reaction that absorbs energy
  2. A reaction where a fuel reacts with oxygen and releases energy
  3. the smallest living part of an organism
  4. the chemical that makes up the genetic material in most organisms
  5. A substance that reacts to form one or more new substances
  6. a type of organelle within a cell that stores water, nutrients and wastes
  7. A reaction that releases energy
  8. a living thing; something that is made up of one or more cells, and typically can grow, reproduce, take in nutrients, get rid of wastes and respond to its environment
Down
  1. a gas found in air that we need to breathe in to stay alive
  2. A reaction that transforms light energy into chemical energy
  3. a type of organelle that absorbs sunlight and stores the energy in sugar
  4. A substance made up of two or more types of atom bonded together
  5. one of the structures within a cell that performs a particular job or function, such as the nucleus or mitochondria
  6. a gas found in the atmosphere; used by plants in photosynthesis and produced by all living things, including humans
  7. A substance that can burn, releasing energy
  8. a simple sugar made up of carbon, hydrogen and oxygen

16 Clues: A reaction that absorbs energy • A reaction that releases energy • the smallest living part of an organism • A substance that can burn, releasing energy • a simple sugar made up of carbon, hydrogen and oxygen • A substance that reacts to form one or more new substances • a gas found in air that we need to breathe in to stay alive • ...

Chem puzzle 2021-10-18

Chem puzzle crossword puzzle
Across
  1. Mass ___ gives total # of protons and neutrons
  2. Dimensional___ unit conversions for complicated multi steps
  3. Precipitation__ a reaction that forms a solid and/or insoluble product
  4. involves microscopic modes of motion
  5. Molar ___ average mass of given element or molecule per mol g/mol
  6. Conversion ___ conversion of 2 equal values into different units. The desired unit is in the numerator and is divided by the given unit in the denominator
  7. refer to the solubility rules
  8. involves macroscopic modes of motion
Down
  1. Empirical __ the whole number ratio of atoms within a compound
  2. The ____ Gas law states PV=nRT
  3. reactions contains reactants and products
  4. equation: balanced chemical equation that includes enthalpy, involves heat, endothermic+exothermic reactions
  5. Atomic ______ gives total # of protons in nucleus
  6. how to write the name of chemical compound

14 Clues: refer to the solubility rules • The ____ Gas law states PV=nRT • involves microscopic modes of motion • involves macroscopic modes of motion • reactions contains reactants and products • how to write the name of chemical compound • Mass ___ gives total # of protons and neutrons • Atomic ______ gives total # of protons in nucleus • ...

photosynthesis 2022-05-02

photosynthesis crossword puzzle
Across
  1. released as a byproduct
  2. plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
  3. The energy from light causes a chemical reaction that breaks down
  4. a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration,
  5. formed by green plants from carbon dioxide and water during the process of photosynthesis
  6. process called photosynthesis, using both the carbon and the oxygen to construct carbohydrates.
Down
  1. carbon dioxide and water
  2. glucose and oxygen
  3. Plants convert carbon dioxide to oxygen
  4. involves two reactants, carbon dioxide and water.
  5. pigment that gives plants their green color,
  6. provides the hydrogen needed to form glucose
  7. allow plants to have strong, upright structures

13 Clues: glucose and oxygen • released as a byproduct • carbon dioxide and water • Plants convert carbon dioxide to oxygen • pigment that gives plants their green color, • provides the hydrogen needed to form glucose • allow plants to have strong, upright structures • involves two reactants, carbon dioxide and water. • ...

Reactions, Acids, and Bases 2025-10-10

Reactions, Acids, and Bases crossword puzzle
Across
  1. The rule that atoms cannot be created or destroyed in a reaction. (3 words, no spaces)
  2. The ion released by bases in a solution (OH-).
  3. A substance with a pH greater than 7.
  4. The starting substances in a chemical reaction.
  5. A substance that changes colour in the presence of an acid or base.
Down
  1. A substance with a pH of 7.
  2. The ion released by acids in a solution (H⁺).
  3. A number placed before a formula to balance an equation.
  4. Able to burn or corrode living tissue, like skin.
  5. A substance formed by a chemical reaction.
  6. A substance with a pH less than 7.
  7. A substance with a pH greater than 7.
  8. An atom or molecule that has a net electrical charge.

13 Clues: A substance with a pH of 7. • A substance with a pH less than 7. • A substance with a pH greater than 7. • A substance with a pH greater than 7. • A substance formed by a chemical reaction. • The ion released by acids in a solution (H⁺). • The ion released by bases in a solution (OH-). • The starting substances in a chemical reaction. • ...

Chemistry revision 2025-03-21

Chemistry revision crossword puzzle
Across
  1. what role does salt play in water
  2. if salt can dissolve in water it is
  3. - Substance formed when two or more elements combine
  4. - Substance that speeds up a chemical reaction
  5. - Atom or molecule with a net electric charge
  6. above pH 7
Down
  1. - Substance that accepts hydrogen ions (H⁺) in solution
  2. - A homogeneous mixture of two or more substances
  3. - Substance present at the start of a chemical reaction
  4. what role does water play a role with salt
  5. below ph 7
  6. - Two or more atoms bonded together
  7. - Pure substance made of only one kind of atom
  8. - Substance that donates hydrogen ions (H⁺) in solution
  9. - Smallest unit of matter

15 Clues: below ph 7 • above pH 7 • - Smallest unit of matter • what role does salt play in water • if salt can dissolve in water it is • - Two or more atoms bonded together • what role does water play a role with salt • - Atom or molecule with a net electric charge • - Substance that speeds up a chemical reaction • - Pure substance made of only one kind of atom • ...

unit 6b vocab 2017-04-07

unit 6b vocab crossword puzzle
Across
  1. a substance that takes part in and undergoes change during a reaction.
  2. A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
  3. A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
  4. A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
  5. The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
  6. the result of a chemical reaction.
Down
  1. Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
  2. Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
  3. An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
  4. The law of conservation of mass or principle of mass conservation states that for any system closed to 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. Hence, the quantity of mass is "conserved" over time.
  5. The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.

11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...

Maite Ch. Oxidation 2022-01-18

Maite Ch. Oxidation crossword puzzle
Across
  1. is the way in which you make symbols in order to show a chemical reaction
  2. is the change in an organism
  3. it is a transformation that alters the compound or substance.
  4. is a set of phases through which a living or inert being passes.
  5. is the process by which elements and undergo chemical changes.
  6. is the result of a mixture of substances It is a component which can be natural or chemical.
Down
  1. is the temperature level of a body
  2. is the relationship of two beings
  3. is the change that alters only the physical form
  4. is a particle which is used for photosynthesis
  5. is a substance that causes a chemical reaction

11 Clues: is the change in an organism • is the relationship of two beings • is the temperature level of a body • is a particle which is used for photosynthesis • is a substance that causes a chemical reaction • is the change that alters only the physical form • it is a transformation that alters the compound or substance. • ...

Chemistry 2014-10-30

Chemistry crossword puzzle
Across
  1. Scale / a measure of how acidic or basic a subtance is
  2. Reaction / a process that changes one set of chemicals into another set of chemicals
  3. / a compound that produces hydronium ions
  4. / is a homogeneous mixtrue composed of only one phase
  5. / a compound that produces hydroxied ions
Down
  1. / something "maufactured"by enzyme from its substance
  2. / substance initionlly presant ina chemical reaction taht are consumed during teh reaction to make products
  3. / the molecular attraction that holds the surface of two dissmiular subtances together
  4. / a subtance dissovled in another subtance
  5. / a solution that is resistatn to large changes in pH
  6. / any combination or blend of different elements
  7. / is a subtance that dissolves a sloute resulting in a solution

12 Clues: / a compound that produces hydronium ions • / a compound that produces hydroxied ions • / a subtance dissovled in another subtance • / any combination or blend of different elements • / something "maufactured"by enzyme from its substance • / a solution that is resistatn to large changes in pH • / is a homogeneous mixtrue composed of only one phase • ...

Chapter 3 terms Alex 2021-02-02

Chapter 3 terms Alex crossword puzzle
Across
  1. another word for fats
  2. is a chemical test used for detecting the presence of peptide bonds
  3. two monosaccharides
  4. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction
  5. a type of fat containing a high proportion of fatty acid molecules without double bonds,
  6. a simple organic compound containing both a carboxyl and an amino
  7. a chemical solution that changes colour in the presence of glucose
  8. simple sugar of carbohydrates
Down
  1. sugar molecules bonded together.
  2. a type of protein made by your pancreas
  3. It is a polysaccharide which forms glucose on hydrolysis.
  4. an enzyme which breaks down proteins and peptides.
  5. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  6. a fine dispersion of minute droplets of one liquid in another in which it is not soluble
  7. any of a large group of organic compounds occurring in foods and living tissues
  8. a type of fat containing a high proportion of fatty acid molecules with at least one double bond
  9. It is a polysaccharide which functions as a carbohydrate store

17 Clues: two monosaccharides • another word for fats • simple sugar of carbohydrates • sugar molecules bonded together. • a type of protein made by your pancreas • an enzyme which breaks down proteins and peptides. • It is a polysaccharide which forms glucose on hydrolysis. • It is a polysaccharide which functions as a carbohydrate store • ...

8th Grade Physical Science Vocabulary Review 2022-03-06

8th Grade Physical Science Vocabulary Review crossword puzzle
Across
  1. form of charge, designated negative, positive, or neutral (without charge)
  2. elements in Group 3 with atomic numbers 89 - 103
  3. subatomic particle without charge; contributes to mass of an atom
  4. substances that change into new identity; difficult to put back into original matter
  5. substance that takes part in & undergoes change during a reaction
  6. found in groups 3 - 12 periodic table
  7. found in group 17 periodic table
  8. atomic mass unit; indicates mass on an atomic/molecular scale
  9. elements typically not shiny, usually a gas or brittle solid, not malleable, & a poor conductor of heat & electricity
  10. found in Group 2 Periodic Table
  11. formulas and symbols written to represent a reaction
  12. columns on periodic table that arranges the elements by the number of electrons that are in outside shell
  13. pure substance that cannot be separated into simpler substances by physical or chemical means
  14. most elements, typically solid, shiny malleable, & a good conductor of heat & electricity
  15. found in group 13periodic table
  16. form as result of loss or gain of electrons; identified by overall net charge
  17. tiny, very dense, positively charged region in center of an atom; made up of protons & neutron
  18. negatively charged subatomic particle; involved in formation of chemical bonds
  19. rows in periodic table that classifies elements by number of atomic shells
  20. something that can produce heat, power life, move objects, or produce electricity
  21. oil, coal, natural gas
  22. elements that have properties of both metals & nonmetals
  23. combination of 2 or more substances that are not chemically combined
  24. specific area where electrons of same energy level are found
  25. atoms of same element that have different numbers of neutrons
  26. substances that we obtain from land, water, & air around us, either renewable or nonrenewable
  27. group 14 periodic table
  28. substance produced during a chemical reaction
  29. - can be observed without changing identity
  30. found in Group 1 Periodic Table
  31. mass of all reactants must equal mass of all products, mass is neither created nor destroyed
  32. process by which one or more substances change to produce one or more different substances
Down
  1. number placed in front of a chemical symbol or formula during balancing of equation
  2. one/two letter notation used to represent a particular element
  3. table showing chemical elements arranged according to their atomic numbers
  4. resources that can be replenished in a short amount of time
  5. number written below & to right of a chemical symbol, shows the number of a specific type of atom present
  6. positively charged subatomic particle; contributes to the mass of the atom
  7. anything that has mass & takes up space
  8. two elements react to form a compound
  9. found in group 18periodic table
  10. electrons in the outermost energy level of an atom that influence how element will react with other substances
  11. number of protons in the nucleus of one atom
  12. particles smaller than an atom
  13. attempt to fill electron shells; ionic bonds, covalent bonds, metallic bonds
  14. found in group 15 Periodic Table
  15. elements/compounds that can only be separated/combined to make substances with new properties by means of chemical reaction
  16. cannot be remade or re-grown at a scale comparable to its consumption
  17. pure substance composed of two or elements chemically
  18. found in group 16 periodic table
  19. smallest unit that has all of the properties of that element containing a nucleus within an electron
  20. all of the area inside an atom surrounding nucleus where electrons are found
  21. elements in Group 3 with atomic numbers 57 - 71
  22. average mass of protons & neutrons in an element
  23. rate at which chemical substance tends to undergo chemical reaction & significantly influenced by valence electrons

55 Clues: oil, coal, natural gas • group 14 periodic table • particles smaller than an atom • found in Group 2 Periodic Table • found in group 18periodic table • found in group 13periodic table • found in Group 1 Periodic Table • found in group 17 periodic table • found in group 15 Periodic Table • found in group 16 periodic table • found in groups 3 - 12 periodic table • ...

Types of Reactions 2024-05-05

Types of Reactions crossword puzzle
Across
  1. During _____ reactions, oxidation and reduction take place simultaneously.
  2. A substance which gives hydrogen or gains oxygen in a Redox reaction is called a ________ agent.
  3. The oxidation of oils or fats in food resulting in bad taste and smell.
  4. A process in which one or more substances react to form new substances with different properties is called ________ reaction.
  5. The interaction of Iron with air and water forms ____.
  6. A reaction in which insoluble salts are formed is called ___________ reaction.
  7. A substance which gives oxygen or gains hydrogen in a Redox reaction is called an _________ agent.
  8. A reaction in which two or more substances combine to form a single substance is called ___________ reaction.
Down
  1. A reaction in which one or a group of atoms of a compound is replaced by another atom or group of atoms is called ____________ reaction.
  2. A process which involves gain of hydrogen or loss of oxygen.
  3. A reaction in which two compounds exchange their ions to form new compounds is called __________________ reaction.
  4. The eating up of metals as a result of their exposure to air, moisture and other gases in the atmosphere.
  5. The reaction in which an acid reacts with a base to form salt and water by an exchange of ions.
  6. A process which involves gain of oxygen or loss of hydrogen.
  7. A reaction in which a single substance decomposes to give two or more substances is called _____________ reaction.

15 Clues: The interaction of Iron with air and water forms ____. • A process which involves gain of hydrogen or loss of oxygen. • A process which involves gain of oxygen or loss of hydrogen. • The oxidation of oils or fats in food resulting in bad taste and smell. • During _____ reactions, oxidation and reduction take place simultaneously. • ...

Uses of Electrochemical cells 2020-02-13

Uses of Electrochemical cells crossword puzzle
Across
  1. The half cell with the more negative electrode potential will go through this process
  2. This is how non rechargable batteries should be disposed of
  3. Lithium ion is an example of this type of battery
  4. An advantage of using non rechargable batteries in household appliances
  5. An electrochemical cell is made by joining together two of these
Down
  1. A risk of using lithium ion batteries in household appliances
  2. This type of battery is based on a chemical reaction that will go to completion
  3. An example of a product in which a rechargable battery would be found
  4. The type of reaction in an electrochemical cell that generates electricity.
  5. The type of reaction found in a rechargable battery
  6. A battery based on a chemical reaction between a fuel and oxygen
  7. The process that a rechargable battery goes through to regenerate the reactant chemicals

12 Clues: Lithium ion is an example of this type of battery • The type of reaction found in a rechargable battery • This is how non rechargable batteries should be disposed of • A risk of using lithium ion batteries in household appliances • A battery based on a chemical reaction between a fuel and oxygen • An electrochemical cell is made by joining together two of these • ...

SCIENCE CROSSWORD 2024-12-14

SCIENCE CROSSWORD crossword puzzle
Across
  1. The product of mass and velocity of an object.
  2. A chemical reaction where a substance loses electrons.
  3. Materials that can be broken down naturally by microorganisms.
  4. A substance that increases the rate of a chemical reaction without being consumed.
  5. A weight suspended from a pivot, used to study motion.
Down
  1. The distance between two consecutive peaks of a wave.
  2. A subatomic particle with no electric charge.
  3. The jelly-like substance inside a cell where organelles are located.
  4. Atoms of the same element with different numbers of neutrons.
  5. The organelle in plant cells where photosynthesis occurs.
  6. The study of heredity and the variation of inherited traits.
  7. The force that attracts objects toward the center of the Earth.
  8. Law The relationship between voltage, current, and resistance.
  9. The smallest unit of matter that retains the properties of an element.
  10. A protein that speeds up chemical reactions in living organisms.

15 Clues: A subatomic particle with no electric charge. • The product of mass and velocity of an object. • The distance between two consecutive peaks of a wave. • A chemical reaction where a substance loses electrons. • A weight suspended from a pivot, used to study motion. • The organelle in plant cells where photosynthesis occurs. • ...

STARBASE Goodfellow Review - Day 2 2023-07-31

STARBASE Goodfellow Review - Day 2 crossword puzzle
Across
  1. This type of change only affects its appearance
  2. Type of energy made available by flowing electrons
  3. Two or more elements bonded together
  4. Energy of motion
  5. This type of reaction absorbs heat
  6. This state of matter has the most amount of kinetic energy
Down
  1. This type of reaction releases heat
  2. This state of matter has the least amount of kinetic energy
  3. This is the smallest unit of matter
  4. Type of energy that is stored in bonds of atoms that can be released by a chemical reaction
  5. Energy stored in an object, not in motion
  6. This type of energy comes from natural sources that replenished at a higher rate than they are consumed

12 Clues: Energy of motion • This type of reaction absorbs heat • This type of reaction releases heat • This is the smallest unit of matter • Two or more elements bonded together • Energy stored in an object, not in motion • This type of change only affects its appearance • Type of energy made available by flowing electrons • ...

Science Crossword Puzzle 2014-02-26

Science Crossword Puzzle crossword puzzle
Across
  1. Has no definite volume or shape
  2. The amount of matter
  3. Made of two or more atoms
  4. An element that has properties of both a metal and nonmetal
  5. Study of the properties and changes of matter
  6. Property/ A Property that doesn't depend on pressure, temperature, or density.
  7. Made up of atoms of one type
  8. A vertical column in a periodic table
  9. Study of matter and how it changes
  10. An element that is a poor conductor of electricity and does not form positive ions in a solution
  11. Change/ A change of matter from one form to another without chemical Change (solid, liquid, gas)
  12. Of State/ Liquid, solid, gas
  13. An element that is shiny and a good conductor of electricity
Down
  1. A horizontal row in a periodic table
  2. Smallest particle
  3. Study of substances
  4. organic Chemistry/ Study of non organics
  5. Has a definite volume and definite shape
  6. A substance or molecule that participates in a chemical reaction
  7. Any substance that has a defined composition
  8. A state of change starting from a gas then ionizing
  9. Property/ A property that depends on size.
  10. Anything that takes up space
  11. Chemistry/ The study of carbon compounds
  12. Reaction/ The process by which one or more substances change to produce one or more substances
  13. Has a definite volume, but no definite shape

26 Clues: Smallest particle • Study of substances • The amount of matter • Made of two or more atoms • Made up of atoms of one type • Anything that takes up space • Of State/ Liquid, solid, gas • Has no definite volume or shape • Study of matter and how it changes • A horizontal row in a periodic table • A vertical column in a periodic table • organic Chemistry/ Study of non organics • ...

Biofunctionalized conductive polymers enable efficient CO2 electroreduction 2023-11-10

Biofunctionalized conductive polymers enable efficient CO2 electroreduction crossword puzzle
Across
  1. Trait of a material to not facilitate electrical flow.
  2. Measure of a materials ability to carry an electric current.
  3. Reactant molecules, enzymes act upon.
  4. Conductor through which electric flow can be realised.
  5. Lack of a substance to react under specific conditions, undergo chemical changes.
  6. Biological catalyst that accelerates chemical reactions by stabilizing transition states and therefore lowering activation energies.
  7. Organic compounds composed of hydrogen and carbon atoms.
  8. Trait of a system where electrons are delocalized, lowering the overall energy, and increasing stability.
  9. Additional potential required in an electrochemical cell, exceeding the thermodynamic requirement for the reaction.
  10. Opposition to alternating current, presented by the combined effect of resistance and reactance in a circuit.
  11. Electrode within an electrochemical cell, where reduction takes place.
  12. Trait of a material opposed to being naturally occurring.
Down
  1. Number of times, a catalyst facilitates a chemical reaction per unit of time.
  2. Recurring structural element, pattern serving as characteristic feature/building block.
  3. Accumulating a material, often in form of thin films on a surface.
  4. The process of combining, or making units of a chemical combine, to make a polymer.
  5. Techniques involving measuring currents as a function of time in electrochemical experiments.
  6. Distinct, recognizable part of a molecule.
  7. Introducing impurities into a semiconductor to alter its electrical properties.
  8. Graphical representation of current versus applied voltage in an electrochemical cell.

20 Clues: Reactant molecules, enzymes act upon. • Distinct, recognizable part of a molecule. • Trait of a material to not facilitate electrical flow. • Conductor through which electric flow can be realised. • Organic compounds composed of hydrogen and carbon atoms. • Trait of a material opposed to being naturally occurring. • ...

Unit 2 2022-09-26

Unit 2 crossword puzzle
Across
  1. function is to shuttle electrons from NADH to FADH2
  2. all the gasses surrounding earth
  3. pigment in chloroplasts
  4. substance at the beginning of a chemical reaction
  5. type of organism that is able to make its own food
  6. a situation in which oxygen is present
  7. releases energy by breaking down food molecules
  8. nutrient forms backbone for all macromolecules in living things
  9. type of organism that must eat other organisms to obtain energy
  10. water, soil, living things,(not air)
  11. site of cellular respiration
  12. converts light energy into chemical energy, where photosynthesis takes place
  13. alcoholic, lactic acid, acetic acid, alkaline
  14. all the soil and rocks on earth
  15. uses light energy to make molecules needed for photosynthesis
Down
  1. one of the principal chemical compounds the cells use to store and release energy, made up of adenosine, 5 carbon sugar, and 3 phosphate groups
  2. describes a situation in which oxygen is not present
  3. first step in the breakdown of glucose
  4. organisms that break down biotic compounds into abiotic compounds
  5. made up of adenosine, 5 carbon sugar, and 2 phosphate groups
  6. substances created during a chemical reaction
  7. AKA the Calvin cycle
  8. process of using light energy to make glucose
  9. used in proteins and nucleic acids, must be "fixed" for living things to use, often limited
  10. all water on earth
  11. citric acid cycle
  12. all living things on earth

27 Clues: citric acid cycle • all water on earth • AKA the Calvin cycle • pigment in chloroplasts • all living things on earth • site of cellular respiration • all the soil and rocks on earth • all the gasses surrounding earth • water, soil, living things,(not air) • first step in the breakdown of glucose • a situation in which oxygen is present • ...

Macromolecules 2023-08-11

Macromolecules crossword puzzle
Across
  1. the energy release of heat
  2. the surface on which an organism (eg: plant, fungus, or animal) lives or the substance on which an enzyme can act
  3. a monosaccharide or a disaccharide
  4. any chemical reaction that absorbs heat from its environment
  5. the basic building block of nucleic acids (RNA and DNA)
  6. a sugar (a carbohydrate) composed of two monosaccharides
  7. the building blocks of the fat in our bodies and in the food we eat
  8. proteins that help speed up metabolism, or the chemical reactions in our bodies
  9. is a simple triol compound
  10. end substances after a biological process has occurred
Down
  1. capable of absorbing or dissolving more of something
  2. the minimum energy required to cause a process (such as a chemical reaction) to occur.
  3. a carbohydrate formed by long chains of repeating units linked together by glycosidic bonds
  4. the simplest forms of sugar and the most basic units (monomers) from which all carbohydrates are built
  5. naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells
  6. large, complex molecules that play many important roles in the body
  7. molecules that combine to form proteins
  8. fatty compounds that perform a variety of functions in your body
  9. being a solution that is unable to absorb or dissolve any more of a solute at a given temperature and pressure
  10. are sugar molecules

20 Clues: are sugar molecules • the energy release of heat • is a simple triol compound • a monosaccharide or a disaccharide • molecules that combine to form proteins • capable of absorbing or dissolving more of something • end substances after a biological process has occurred • the basic building block of nucleic acids (RNA and DNA) • ...

jared and daniel´s science crossword. ( bob helped.) 2017-09-27

jared and daniel´s science crossword. ( bob helped.) crossword puzzle
Across
  1. Organelle found inside a cell. It is the site of cellular respiration.
  2. type of long chain sugar molecule that is found in plants.
  3. is absorbed from its surroundings.
  4. plant cell organelle, where photosynthesis occurs
  5. substances that will interact with each other during a chemical reacon
  6. sugar molecule
Down
  1. Process by which plants make their own sugar, by reacting carbon dioxide with water, in the presence of sunlight to produce sugar and oxygen
  2. REACTION: type of reaction that requires energy to start the reaction. The
  3. enzyme which breaks down carbohydrate, and long sugar molecules into glucose
  4. substances that are formed, from a chemical reaction.
  5. structure in the intestine, which enables the absorption of nutrients into the blood.
  6. RESPIRATION process by which oxygen reacts with glucose to form carbon dioxide, water and energy in the form of ATP.

12 Clues: sugar molecule • is absorbed from its surroundings. • plant cell organelle, where photosynthesis occurs • substances that are formed, from a chemical reaction. • type of long chain sugar molecule that is found in plants. • Organelle found inside a cell. It is the site of cellular respiration. • substances that will interact with each other during a chemical reacon • ...

semester review 2018-12-17

semester review crossword puzzle
Across
  1. atoms that are in the same ________ will behave similarly
  2. a tendency to do nothing or remain unchanged (1st law)
  3. electron determines the atoms reactivity
  4. an object that is acted on by unbalanced forces will ___________________________.
  5. _________= distance / time
  6. _________= mass / volume
  7. particle with no charge
  8. gasses this group on the periodic table has a full outer shell
  9. for every action, there is an equal and opposite reaction. Newtons __________ law.
Down
  1. positively charged particle
  2. H2O is an example of a chemical ____________
  3. the speed of something in a given direction
  4. this group on the periodic table has 7 valence electrons
  5. warmer air rises because it is _______ dense than cooler air
  6. negatively charged particle that orbits the nucleus
  7. color change is an example of a _____________ reaction
  8. Newtons __________ law. F=ma
  9. a push or a pull on an object
  10. warm ocean currents originate here

19 Clues: particle with no charge • _________= mass / volume • _________= distance / time • positively charged particle • Newtons __________ law. F=ma • a push or a pull on an object • warm ocean currents originate here • electron determines the atoms reactivity • the speed of something in a given direction • H2O is an example of a chemical ____________ • ...

HC U3 key term review 2024-01-11

HC U3 key term review crossword puzzle
Across
  1. refers to the energy to separate an electron from an atom or ion
  2. consists of mostly atoms of one type of metal with small amounts of another type of atom mixed within
  3. large number used in front of chemical formulas in chemical equations to show the count of particles taking part in the reaction (compared to the other substances)
  4. substances prior to any chemical change
  5. chemical formula typically ends with -OH (hydroxide ion)
  6. formula that shows how atoms are bonded; bonds are often shown as lines
  7. two compounds reactat so that members of each compound switch what they are bonded with
  8. substance made of only one type of particle
  9. refers to the half the distance between two nuclei of bonded atoms...OR, in common terms, distance between nucleus and outermost electrons
  10. factors that affect level of interaction between charged particles, including magnitude of charge and distance
  11. negatively charged ion due to more electrons than protons
  12. bond type between positive and negative ions; no electrons are shared
  13. bond type between metal atoms; involves the sharing of all valence electrons with all nearby atoms
  14. composed of atoms linked by chemical bonds
Down
  1. bond type between nonmetal atoms in which some valence electrons are shared with one other atom
  2. multiple types of reactants unite to form one type of product
  3. substances after a chemical change
  4. this uses chemical formulas and + signs and an arrow to show how reactants differ from products
  5. formula composed of element symbols and subscripts
  6. a change in the distance between the reactant particles, but NOT a change to bonds
  7. refers to an atom's ability to attract additional electrons to it's valence shell
  8. positively charged ion due to less electrons than protons
  9. one type of reactant breaks into multiple types of products
  10. term used in front of an element name to indicate the count of atoms in a covalent molecule
  11. a change that involves breaking and/or making chemical bonds
  12. chemical formula typically begins with H-
  13. an element and compound reactant so they element bonds with a member of the compound, but leaves the other member all alone
  14. made of more than one type of particle
  15. chemical reaction in which O2 is a reactant

29 Clues: substances after a chemical change • made of more than one type of particle • substances prior to any chemical change • chemical formula typically begins with H- • composed of atoms linked by chemical bonds • substance made of only one type of particle • chemical reaction in which O2 is a reactant • formula composed of element symbols and subscripts • ...

Vocabulary Ms Rodrigues 2023-10-12

Vocabulary Ms Rodrigues crossword puzzle
Across
  1. a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
  2. throwing a can to the floor and stepping on it
  3. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
  4. a substance or molecule that participates in a chemical reaction; the ingredients that you start with
Down
  1. a process of one substance breaking down
  2. states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
  3. A gate rusting
  4. a substance or molecule that is formed in a chemical reaction; the final output

8 Clues: A gate rusting • a process of one substance breaking down • throwing a can to the floor and stepping on it • 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 • ...

chem reactions 2023-05-01

chem reactions crossword puzzle
Across
  1. atoms that can't be alone (they get to lonely)
  2. when two elements in a compound switch with two other elements in a different compound
  3. the reaction when the compound breaks apart
  4. the small number in the corner that lets you know how much of an element there is
  5. the front number to show how many of a compound or element there is.
  6. different elements stuck together till their forced apart
  7. when one element in a compound swishes with another element in a different compound
  8. the chemical reaction that only releases CO2 and H2O, boom
Down
  1. something that is only made up of itself
  2. metals and non metals getting together
  3. the reaction when the different elements and compounds combine into one.
  4. the atom that gives a negative charge
  5. a bunch of atoms with a positive charge, they kick out the extra electrons
  6. a chemical made up of only two atoms
  7. Ions with several different atoms
  8. a bunch of atoms with a negative charge, they try to fill a shell

16 Clues: Ions with several different atoms • a chemical made up of only two atoms • the atom that gives a negative charge • metals and non metals getting together • something that is only made up of itself • the reaction when the compound breaks apart • atoms that can't be alone (they get to lonely) • different elements stuck together till their forced apart • ...

Science 10 Crossword 2023-08-04

Science 10 Crossword crossword puzzle
Across
  1. Substance with pH higher than 7
  2. A chemical reaction that releases heat
  3. When no individuals of a species is left alive
  4. Chemical reaction that breaks one substance into two separate substances
  5. Study of genes and inheritance
  6. The energy of motion
  7. Theory behind the creation of the universe (2 words, no space)
Down
  1. An organism or cell that is genetically identical to the parent
  2. Part of an organism that allows it to survive better in its' environment
  3. Substance or organism that can cause cancer
  4. Carries genetic information in form of genes
  5. Developed principles of inheritance
  6. Deoxyribonucleic acid
  7. Splitting atoms in two to generate energy
  8. Substance with pH lower than 7

15 Clues: The energy of motion • Deoxyribonucleic acid • Study of genes and inheritance • Substance with pH lower than 7 • Substance with pH higher than 7 • Developed principles of inheritance • A chemical reaction that releases heat • Splitting atoms in two to generate energy • Substance or organism that can cause cancer • Carries genetic information in form of genes • ...

Cellular Respiration and Photosynthesis 2024-12-19

Cellular Respiration and Photosynthesis crossword puzzle
Across
  1. Short for Electron transport chain
  2. Where cellular respiration take place
  3. The pigment that allows plants to absorb sunlight
  4. When no oxygen is present
  5. Reaction that is located in the grana
Down
  1. Fluid like substance that fills the space in between the Grana
  2. Where photosynthesis takes place
  3. The energy input of photosynthesis
  4. Another name for Light independent reaction
  5. One of the reactants in photosynthesis
  6. When oxygen is present
  7. Where glycolysis takes place in the cell
  8. The purpose of this is to convert chemical energy in food to chemical energy stored in ATP
  9. Another name for Citric acid cycle
  10. Other molecule needed for cell respiration process to occur

15 Clues: When oxygen is present • When no oxygen is present • Where photosynthesis takes place • Short for Electron transport chain • The energy input of photosynthesis • Another name for Citric acid cycle • Where cellular respiration take place • Reaction that is located in the grana • One of the reactants in photosynthesis • Where glycolysis takes place in the cell • ...

rate of reaction 2020-01-26

rate of reaction crossword puzzle
Across
  1. chemical meaning of speed
  2. organic catalysts in living cells
  3. minimum energy required to form a chemical reaction
  4. the exponents in a rate expression
Down
  1. a graph of energy against the number of particles
  2. the slowest step of a reaction mechanism
  3. an equation that gives information about the rate of a reaction
  4. a substance that increases the rate of a reaction without being used

8 Clues: chemical meaning of speed • organic catalysts in living cells • the exponents in a rate expression • the slowest step of a reaction mechanism • a graph of energy against the number of particles • minimum energy required to form a chemical reaction • an equation that gives information about the rate of a reaction • ...

Sciene 2023-09-26

Sciene crossword puzzle
Across
  1. two or more atoms connected by chemical bonds
  2. 2 chemicals formed together
  3. a number placed in front of a chemical symbol or formula
  4. The substances which participate in a chemical reaction
Down
  1. a small-sized number on the bottom right of the symbol
  2. substance that is present at the end of a chemical reaction
  3. the name of a
  4. a particle of matter that uniquely defines a chemical element

8 Clues: the name of a • 2 chemicals formed together • two or more atoms connected by chemical bonds • a small-sized number on the bottom right of the symbol • The substances which participate in a chemical reaction • a number placed in front of a chemical symbol or formula • substance that is present at the end of a chemical reaction • ...

Chemical Reactions 3 2024-08-27

Chemical Reactions 3 crossword puzzle
Across
  1. One sign that a chemical reaction has taken place is a _______ being produced.
  2. On way of telling that a solid has dissolved is there is no solid left at the _______.
  3. The _______ the particle size, the faster the reaction.
  4. The _______ the temperature, the slower the reaction.
Down
  1. Solubility is how much of a solid ________.
  2. One sign that a chemical reaction has taken place is a ________ change.
  3. One sign that a chemical reaction has taken place is the reaction getting _______.
  4. One sign that a chemical reaction has taken place is a _______ being produced.

8 Clues: Solubility is how much of a solid ________. • The _______ the temperature, the slower the reaction. • The _______ the particle size, the faster the reaction. • One sign that a chemical reaction has taken place is a ________ change. • One sign that a chemical reaction has taken place is a _______ being produced. • ...

Photophosphorylation 2015-11-29

Photophosphorylation crossword puzzle
Across
  1. complex linking PSI and PSII also responsible for driving protons across the plasma membrane
  2. responsible for reducing NADP+ to NADPH
  3. for every _____ photons absorbed, one electron is transferred from H2O to NADP+
  4. about the amount of ATP produced in noncyclic photophosphorylation
  5. element that occupies the central position in a chlorophyll molecule
  6. responsible for driving ATP production
  7. excitation of this photosystem's reaction center drive electrons through the cytochrome b6f complex
  8. complex containing chlorophyll associated with other proteins and membrane
  9. major accessory pigment that absorbs wavelengths chlorophyll cannot absorb
  10. the capture of solar energy by photosynthetic organisms and its conversion to chemical energy
  11. about the amount of NADPH produced in noncyclic photophosphorylation
  12. after the electron passes through the b6f complex, it goes through this protein
  13. this complex is catalyzed by a manganese and calcium containing protein
  14. type of reaction center in bacteria that passes electrons through pheophytin to a quinine
  15. this complex is responsible for passing four electrons one at a time to PSII across the thylakoid membrane
  16. site of photophosphorylation
Down
  1. excitation of this photosystem's reaction center drive electrons to ferrodoxin and produce NADPH
  2. more loosely bound plastoquinone
  3. reaction occurs when plants are not receiving light
  4. main light absorbing pigment in photophosphorylation
  5. type of reaction center in bacteria that passes electrons through a quinone to an iron-sulfur center
  6. transfers electrons from reduced ferredoxin to NADP+
  7. reaction that occurs when plants receive sunlight
  8. site where light energy is converted to chemical energy
  9. these organisms release carbon dioxide
  10. proteins that carry electrons between the two photosystems
  11. photophosphorylation where ATP synthesis is driven by cyclic electron flow through PSI
  12. type of chlorophyll that transfers light energy to neighboring chlorophyll
  13. ultimate source of electrons passed to NADPH in plants during photosynthesis is water
  14. photophosphorylation that involves both photosystems
  15. pumped across thylakoid membrane to create energy through an electrochemical potential

31 Clues: site of photophosphorylation • more loosely bound plastoquinone • responsible for driving ATP production • these organisms release carbon dioxide • responsible for reducing NADP+ to NADPH • reaction that occurs when plants receive sunlight • reaction occurs when plants are not receiving light • main light absorbing pigment in photophosphorylation • ...

Properties of Matter 2024-07-25

Properties of Matter crossword puzzle
Across
  1. A chemical reaction where iron reacts with oxygen.
  2. It describes the degree of heat of a substance.
  3. It describes the resistance of a material to scratching, abrasion, or cutting.
  4. A chemical property indicating whether a substance is acidic or alkaline.
  5. The measurement of how much mass of a substance is contained in a given volume. Density = Mass/Volume.
  6. It describes the ability of a substance to dissolve in a solvent.
  7. A physical property that describes the ability of a substance to attract or repel other magnetic materials.
  8. The amount of space that matter occupies.
Down
  1. The ability to be drawn out into a thin wire.
  2. It describes the distinctive smell or scent of a substance.
  3. How likely a substance will undergo a chemical reaction.
  4. A measure of the force of gravity on an object.
  5. A measure of how much matter is in an object.
  6. A chemical property indicating whether a substance is flammable or non-flammable.
  7. It describes the feel, appearance, or consistency of a material.
  8. The ability to be hammered or pressed permanently out of shape without breaking or cracking.
  9. Anything that has mass and takes up space.

17 Clues: The amount of space that matter occupies. • Anything that has mass and takes up space. • The ability to be drawn out into a thin wire. • A measure of how much matter is in an object. • A measure of the force of gravity on an object. • It describes the degree of heat of a substance. • A chemical reaction where iron reacts with oxygen. • ...

Antonio2.1vocab 2021-10-26

Antonio2.1vocab crossword puzzle
Across
  1. arrow usually points away from the reaction
  2. change in matter
  3. chemical change
Down
  1. a chemical reaction
  2. absorbs heat
  3. substances that are formed
  4. takes up some amount of space
  5. gives of heat

8 Clues: absorbs heat • gives of heat • chemical change • change in matter • a chemical reaction • substances that are formed • takes up some amount of space • arrow usually points away from the reaction

vocab 2023-02-06

vocab crossword puzzle
Across
  1. a type of reaction in which multiple reactants combine to form a single product
  2. what is made after a reaction
  3. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulas
  4. a reaction that generates heat and light
  5. A number placed in front of a formula to balance a chemical equation
Down
  1. processes in which chemical species break up into simpler parts
  2. a substance that takes part in and undergoes change during a reaction
  3. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form

8 Clues: what is made after a reaction • a reaction that generates heat and light • processes in which chemical species break up into simpler parts • A number placed in front of a formula to balance a chemical equation • a substance that takes part in and undergoes change during a reaction • a type of reaction in which multiple reactants combine to form a single product • ...

Bio 101 Ch.2 Part 1 2021-07-14

Bio 101 Ch.2 Part 1 crossword puzzle
Across
  1. two or more atoms held together by covalent bonds
  2. a type of covalent bond in which electrons are shared equally between two atoms of similar electronegativity
  3. the linking together of like molecules often by hydrogen bonds
  4. in a chemical reaction, the state in which the rate of the forward reaction equals the rate of the reverse reaction, so that the relative concentrations of reactants and products do not change with time
  5. a measure of how difficult it is to stretch or break the surface of a liquid
  6. an atom's dense central core, containing protons and neutrons
  7. the number of protons in the nucleus of an atom unique for each element and designated by a subscript
Down
  1. the energy that matter possesses as a result of its location or spatial arrangement
  2. an energy level of electrons at a characteristic average distance from the nucleus of an atom
  3. weak attractions between molecules or parts of molecules that result from transient local partial charges
  4. a molecule with an uneven distribution of charges in different regions of the molecule.
  5. a chemical bond resulting from the attraction between oppositely charged ions
  6. a positively charged ion
  7. the attraction of a given atom for the electrons of a covalent bond
  8. a material resulting from a chemical reaction
  9. the clinging of one substance to another, such as water to plant cell walls, in this case by means of hydrogen bonds
  10. the energy associated with the relative motion of objects. Moving matter can perform work by imparting motion to other matter.
  11. a subatomic particle with a single positive electrical charge with a mass of about 1.7* 10-24 g, found in the nucleus of an atom

18 Clues: a positively charged ion • a material resulting from a chemical reaction • two or more atoms held together by covalent bonds • an atom's dense central core, containing protons and neutrons • the linking together of like molecules often by hydrogen bonds • the attraction of a given atom for the electrons of a covalent bond • ...

Biology Crossword Puzzle 2023-09-21

Biology Crossword Puzzle crossword puzzle
Across
  1. the chemical in proteins that speeds up chemical reactions
  2. bind into macromolecules
  3. energy needed to cause a chemical reaction
  4. quick energy for cell activities
  5. example of nucleic acid; stores genetic information
  6. building blocks (monomers) that make up most proteins.
  7. the sticking together of particles of the same substance.
  8. a measure of how acidic/basic water is.
  9. also known as a catalyst
  10. example of protein; small farm animal with feathers
Down
  1. example of a carbohydrate; food many eat with Marinara Sauce
  2. energy storage
  3. able to dissolve other substances.
  4. RNA and DNA
  5. bind into polymers
  6. example of a lipid; substance that many put on toast.
  7. holds amino acids together
  8. the action or process of adhering to a surface or object.
  9. building blocks of Nucleic Acids
  10. speeds up chemical reactions

20 Clues: RNA and DNA • energy storage • bind into polymers • bind into macromolecules • also known as a catalyst • holds amino acids together • speeds up chemical reactions • quick energy for cell activities • building blocks of Nucleic Acids • able to dissolve other substances. • a measure of how acidic/basic water is. • energy needed to cause a chemical reaction • ...

Carbonyl Crossword 2021-03-08

Carbonyl Crossword crossword puzzle
Across
  1. __ are a compound with general formula of RCNR’R
  2. What is the simplest carbonyl compound?
  3. Carboxylic acids have a __ stability than an alcohol
  4. A group two metal found in grignard reagent
  5. __ is formed from the addition of an alcohol group to either an aldehyde or ketone
  6. __ are derived by the removal of one or more hydroxyl groups
  7. A ketone and cyanide react to produce this
  8. __ process is a two stage process of an additional reaction followed by an elimination reaction
  9. __ has a bond angle of 120 degrees.
  10. __ is the product of a reaction of a Ketone with an Organometallic reagent
  11. The second step in the reaction between organolithium and carbonyls, using aqueous acid
  12. What allows more resonance forms?
Down
  1. what is the hybridisation of the C of R-COOH for a carboxylic acid
  2. carboxylic acids are made from carbon dioxide reacting with __
  3. A reagent containing Lithium used to perform addition reactions to carbonyls
  4. a chemical compound derived from an acid in which at least one -OH group is replaced by an -O-alkyl group
  5. __ are reagents containing carbon-metal bonds
  6. __ is an organic reaction that helps to convert carboxylic acids in the presence of alcohol and an acid catalyst to give an ester as the final product. Ester is formed along with water.
  7. __ is the analysis of infrared light interacting with a molecule. This can be analyzed in three ways by measuring absorption, emission and reflection.
  8. __ is widely used to methylate carboxylic acids
  9. __ is another name for a organometallic chemical reaction
  10. __ are an organic acid that contains a carboxyl group attached to a R-group. The general formula for a this is R-COOH
  11. A compound that consists of a carbon triple-bonded to a nitrogen atom
  12. what is usually the number of stretches that an Anhydride gives on the IR spectroscopy.
  13. A compound that consists of a C=O attached to two R groups

25 Clues: What allows more resonance forms? • __ has a bond angle of 120 degrees. • What is the simplest carbonyl compound? • A ketone and cyanide react to produce this • A group two metal found in grignard reagent • __ are reagents containing carbon-metal bonds • __ is widely used to methylate carboxylic acids • __ are a compound with general formula of RCNR’R • ...

CHEM VOCAB 2023-10-20

CHEM VOCAB crossword puzzle
Across
  1. OF CONSERVATION: The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation
  2. A positive subatomic particle found in the nucleus of an atom
  3. new substances formed in a chemical reaction and that are located on the right side of the arrow in a chemical equation
  4. The simplest form of a pure substance that cannot be broken into anything else by physical or chemical means
  5. substances broken apart or combined in a chemical reaction and that are located on the left side of the arrow in a chemical equation
  6. MIXTURE: is not uniform throughout, the component substances can be visibly distinguished
Down
  1. a negatively charged subatomic particle found outside of the nucleus of the atom
  2. physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
  3. a subatomic particle with no charge (neutral) found in the nucleus of the atom
  4. MIXTURE: is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished

10 Clues: A positive subatomic particle found in the nucleus of an atom • a subatomic particle with no charge (neutral) found in the nucleus of the atom • a negatively charged subatomic particle found outside of the nucleus of the atom • MIXTURE: is not uniform throughout, the component substances can be visibly distinguished • ...

thermochemistry 2022-05-19

thermochemistry crossword puzzle
Across
  1. the set of substances and energy that is being studied.
  2. The heat evolved or absorbed when a substance dissolves.
  3. A measure of the heat content of a chemical or physical system.
  4. the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1 gram of water 1° Celsius.
  5. The heat absorbed by one mole of that substance as it is converted from a liquid to a gas.
  6. Heat being released from an object.
  7. The science of measuring the heat absorbed or evolved during the course of a chemical reaction or change of state.
  8. Energy that comes from a warm object to a cool object.
  9. one object to another, during chemical reactions.
  10. Everything that is not a part of the system.
  11. The SI derived unit used to
Down
  1. The study of heat being transferred.
  2. Balanced chemical equations that include the physical states of all reactants and products and the energy change.
  3. Heat being absorbed into a cooler
  4. Theheat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
  5. A tool for measuring the amount of heat involved in a chemical reaction or other process.
  6. The ability to do work.
  7. The amount of energy needed to change one mole of a substance from the solid phase to the liquid phase at constant temperature and pressure.
  8. The number of heat units needed to raise the temperature of a body by one degree.

19 Clues: The ability to do work. • The SI derived unit used to • Heat being absorbed into a cooler • Heat being released from an object. • The study of heat being transferred. • Everything that is not a part of the system. • one object to another, during chemical reactions. • Energy that comes from a warm object to a cool object. • ...

Unit 3 AP Bio Exam 2023-10-16

Unit 3 AP Bio Exam crossword puzzle
Across
  1. Anaerobic ATP-forming pathway. Pyruvate from glycolysis is degraded to acetaldehyde, which accepts electrons from NADH (acetaldehyde is reduced/becomes more electronegative) to form ethanol; NAD+ needed for the reactions is regenerated.
  2. A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway
  3. In a reaction center complex, the molecule capable of accepting electrons and becoming reduced
  4. A process for synthesizing ATP using the energy of an electrochemical gradient and the ATP synthase enzyme.
  5. A.K.A the Krebs Cycle. A chemical cycle involving eight steps that completes the metabolic breakdown of glucose molecules begun in glycolysis by oxidizing acetyl CoA (derived from pyruvate) to carbon dioxide; occurs within the mitochondrion. For each turn of this cycle, 2 CO2 released, 1ATP formed (substrate level phosphorylation via GTP intermediate, 3 NADH and 1 FADH2 is produced; NADH and FADH2 transports e-'s to electron transport chain.
  6. Organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis
  7. Type of reaction that absorbs free energy from surroundings; because energy is stored in molecules, Gibbs free energy is positive; the reaction is non-spontaneous
  8. The use of an exergonic process to drive an endergonic one
  9. A metabolic pathway that releases energy by breaking down complex molecules to simpler compounds
  10. A reduced form of NADP+; a source of electrons as "reducing power" that can be passed along to an electron receptor, thereby reducing it. It provides electrons for photosynthesis
  11. Heat energy
  12. The distance between the crests of electromagnetic waves
  13. The energy of motion
  14. Potential energy available for release in a chemical reaction
  15. A reduced form of NAD+. An energy-carrying coenzyme produced by glycolysis and the Krebs cycle. NADH carries energy to the electron transport chain, where it is stored in ATP.
  16. Protein substances that speed up chemical reactions
  17. The total process of ATP production including the electron transport chain and chemiosmosis
  18. Anaerobic process in which glucose is broken down into two molecules of pyruvate and two net ATP (makes a total of 4 ATP) and 2 NADH are produced
  19. Protein structure in cell mitochondria that uses energy from H+ ions to convert ADP to ATP by adding a phosphate group
  20. A specific reactant acted upon by an enzyme
  21. Self-feeder; pertaining to the ability of an organism to produce its own nutrients from inorganic sources obtained from the environment
  22. Pyruvate from glycolysis is directly reduced by NADH to form lactate/lactic acid and NAD+ as an end product
  23. Series of proteins embedded in a membrane along which high-energy electrons are transported; as electrons are passed from molecule to molecule, energy is released
Down
  1. The specific portion of an enzyme that attaches to the substrate by means of weak chemical bonds
  2. Fuid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water
  3. A substance that reduces the activity of an enzyme by binding to a location remote from the active site, changing its conformation so that it no longer binds to the substrate
  4. A metabolic pathway that requires energy to build a complex molecule from simpler compounds
  5. Respiration in which oxygen is consumed and glucose is broken down entirely; water, carbon dioxide, and large amounts of ATP are the final products.
  6. The portion of the electromagnetic spectrum that can be detected as various colors by the human eye, ranging in wavelength from about 380 nm to about 750 nm
  7. A substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics
  8. Energy available to do work
  9. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain or oxygen and that produces ethyl alcohol or lactic acid.
  10. The binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site
  11. A chemical reaction involving the transfer of one or more electrons from one reactant to another; also called oxidation-reduction reaction
  12. Energy needed to get a reaction started
  13. A discrete quantity (quantum) of light energy that behaves like it is a particle
  14. Process that releases energy by breaking down glucose and other food molecules in the presence or absence of oxygen
  15. Second stage of photosynthesis in which energy from ATP and NADPH is used to make sugars
  16. Flattened membrane sacs inside the chloroplast (inner membrane), used to convert light energy to chemical energy.
  17. Reactions that release energy (spontaneous reaction; neg. delta G)
  18. The stored energy that matter possesses as a result of its position or internal structure
  19. Induced by entry of the substrate, the change in shape of the active site of an enzyme so that it binds more snugly to the substrate
  20. The ability to do work
  21. The combination of chemical reactions through which an organism builds up or breaks down materials
  22. Phase of photosynthesis where energy form light dependent reactions is used to produced glucose and additional ATP molecules; Solar energy is converted to chemical energy
  23. Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen, sugars and starches
  24. A chemical reaction that involves the loss of an electron. Oxidation often involves the addition of oxygen and the loss of hydrogen ions
  25. The gain of electrons by a substance involved in a redox reaction (the charge of the substance becomes more negative)
  26. Nicotinamide adenine dinucleotide, a coenzyme present in all cells that helps enzymes transfer electrons during the redox reactions of metabolism
  27. (Adenosine Triphosphate) Main energy source that cells use for most of their work

50 Clues: Heat energy • The energy of motion • The ability to do work • Energy available to do work • Energy needed to get a reaction started • A specific reactant acted upon by an enzyme • Protein substances that speed up chemical reactions • The distance between the crests of electromagnetic waves • The use of an exergonic process to drive an endergonic one • ...

Salt 2022-05-17

Salt crossword puzzle
Across
  1. Complete the word equation. ___+metal —>salt+ hydrogen
  2. Is making salt physical or chemical reaction
  3. What acid reacts in Sodium chloride
  4. Where is citric acid found in? (clue:fruit)
  5. what salt is made from calcium and hydrochloric acid
  6. Which one is the salt? zinc+hydrochloric acid-> zinc chloride+hydrogen
  7. What salt is used to make blackboard chalk
  8. What are metal oxides are called
  9. What does acid tastes like
  10. What salt is used to keep your hands dry
Down
  1. What salt is used in food
  2. What does the reaction between acid and alkali called
  3. What gas is produced when acid reacts with carbonate
  4. What salt helps the crops grow well
  5. What salt is produced from iron and hydrochloric acid
  6. What gas is produced when acid and metal reacts
  7. What is the formula of hydrochloric acid
  8. What acid reacts in copper sulfate?
  9. What is the formula of sodium chloride?

19 Clues: What salt is used in food • What does acid tastes like • What are metal oxides are called • What salt helps the crops grow well • What acid reacts in Sodium chloride • What acid reacts in copper sulfate? • What is the formula of sodium chloride? • What is the formula of hydrochloric acid • What salt is used to keep your hands dry • What salt is used to make blackboard chalk • ...

Cellular Energy Review 2024-12-04

Cellular Energy Review crossword puzzle
Across
  1. part of photosynthesis that requires carbon dioxide and produces glucose
  2. broken down into pyruvic acid during glycolysis
  3. type of respiration that does not require oxygen
  4. cell use this for short term energy
  5. part of photosynthesis that requires light and water and produces oxygen
  6. organelle where cellular respiration happens in eukaryotes
  7. type of fermentation that yeasts and bacteria do
  8. where the light independent reactions of photosynthesis take place
  9. things that go in to a chemical reaction
Down
  1. type of fermentation that animals do
  2. takes place in the matrix of the mitochondria
  3. organelle where photosynthesis takes place
  4. where the light dependent reactions of photosynthesis happen
  5. things that come out of a chemical reaction
  6. the electron carrier in cellular respiration
  7. the electron carrier in photosynthesis
  8. where glycolysis takes place
  9. step of cellular respiration that produces the most ATP
  10. type of respiration that requires oxygen

19 Clues: where glycolysis takes place • cell use this for short term energy • type of fermentation that animals do • the electron carrier in photosynthesis • type of respiration that requires oxygen • things that go in to a chemical reaction • organelle where photosynthesis takes place • things that come out of a chemical reaction • the electron carrier in cellular respiration • ...

Chemistry 2025-05-09

Chemistry crossword puzzle
Across
  1. invokes a reaction
  2. acid and base in harmony
  3. a chemical change
  4. resists pH changes
  5. basic building block of matter
  6. liquid to gas
  7. basic building block of organic life
Down
  1. shiny, malleable, and conductive
  2. group of atoms stuck together
  3. a paper that exposes the truth
  4. electron loss
  5. gas to liquid
  6. atom's core
  7. each has a name in the periodic table
  8. ranges from acidic to basic

15 Clues: atom's core • electron loss • gas to liquid • liquid to gas • a chemical change • invokes a reaction • resists pH changes • acid and base in harmony • ranges from acidic to basic • group of atoms stuck together • a paper that exposes the truth • basic building block of matter • shiny, malleable, and conductive • basic building block of organic life • each has a name in the periodic table

UNIT 7: HEAT AND ENERGY 2024-12-09

UNIT 7: HEAT AND ENERGY crossword puzzle
Across
  1. Process at constant temperature.
  2. Transition between solid, liquid, and gas.
  3. Substance speeding up a reaction without being consumed.
  4. States enthalpy change is independent of reaction pathway.
  5. Temperature at which liquid becomes gas.
  6. Heat required to vaporize a liquid.
  7. SI unit of energy.
  8. Minimum energy required for a reaction to occur.
  9. Energy available to do work.
  10. Tendency of a process to occur without external input.
  11. Energy required to break a chemical bond.
  12. Direct change from gas to solid.
  13. Stored energy within chemical bonds.
  14. Heat transfer through direct contact.
  15. When two objects reach the same temperature.
  16. Reaction that releases heat.
  17. Temperature at which solid becomes liquid.
Down
  1. Unit of heat; energy to raise 1 g of water by 1°C.
  2. Process at constant pressure.
  3. Heat content of a system.
  4. Heat required to raise temperature of a unit mass by 1°C.
  5. Total heat required to raise an object's temperature.
  6. Everything outside the system.
  7. Heat required for phase change without temperature change.
  8. Heat transfer via electromagnetic waves.
  9. Heat released during complete burning of a substance.
  10. Energy of motion, often related to temperature.
  11. Heat transfer through fluid movement.
  12. Energy transfer by force over distance.
  13. Heat required to melt a solid.
  14. Temperature at which liquid becomes solid.
  15. Measure of thermal energy.
  16. Direct change from solid to gas.
  17. Process with no heat exchange.
  18. The study of energy transformations.
  19. Measure of system disorder.
  20. Reaction that absorbs heat.
  21. Device used to measure heat changes in reactions.
  22. Process at constant volume.
  23. Part of the universe being studied.

40 Clues: SI unit of energy. • Heat content of a system. • Measure of thermal energy. • Measure of system disorder. • Reaction that absorbs heat. • Process at constant volume. • Energy available to do work. • Reaction that releases heat. • Process at constant pressure. • Everything outside the system. • Heat required to melt a solid. • Process with no heat exchange. • ...

Chapter 8 Crossword 2023-02-03

Chapter 8 Crossword crossword puzzle
Across
  1. a chemical reaction in which the standard change in free energy is positive
  2. lower the energy activation barrier
  3. A process that can occur without an input of energy
  4. The capacity to cause change.
  5. a chemical reaction where the change in the free energy is negative
  6. The energy of the universe is constant; Energy can be transferred and transformed, but it cannot be created or destroyed.
  7. energy that matter possesses because of its location or structure.
  8. Every energy transfer or transformation increases the entropy of the universe.
  9. Molecules possess energy because of the arrangement of electrons in the bonds between their atoms.
  10. Energy can be associated with the relative motion of objects
  11. associated with the random movement of atoms or molecules.
Down
  1. The study of how energy flows through living organisms.
  2. The study of the energy transformations that occur in a collection of matter
  3. Begins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product.
  4. A measure of disorder, or randomness.
  5. Consume energy to build complicated molecules from simpler ones
  6. The totality of an organism's chemical reactions
  7. a thermodynamic quantity equivalent to the capacity of a system to do work.
  8. the cells energy shuttle
  9. Some metabolic pathways release energy by breaking down complex molecules to simpler compounds

20 Clues: the cells energy shuttle • The capacity to cause change. • lower the energy activation barrier • A measure of disorder, or randomness. • The totality of an organism's chemical reactions • A process that can occur without an input of energy • The study of how energy flows through living organisms. • associated with the random movement of atoms or molecules. • ...

Introduction to science 2023-05-18

Introduction to science crossword puzzle
Across
  1. Anything that takes up space, and can be weighed
  2. Stored energy
  3. A simple molecule consisting of two atoms of hydrogen, and one of oxygen
  4. Atoms bonded together
  5. Made up of protons, neutrons, and electrons
  6. Sugar in your blood
  7. The process of breathing in oxygen and breathing out carbon dioxide
  8. Characteristics that enable us to differentiate one material from another
  9. How plants make food
  10. Substance that is present at the end of the chemical reactions
  11. The number of molecules or atoms involved in a chemical reaction
  12. A chemical element and its compounds in the natural state
Down
  1. The embryonic stage of a plant life cycle
  2. Generates ATP
  3. Plants need this along with water and oxygen for photosynthesis
  4. Colorless, odorless, and tasteless gas essential to living organisms
  5. Increasing of a plants volume and/or mass
  6. Parts of plants that absorb water and minerals and transport them to the stems
  7. Substance that is present at the start of the chemical reaction
  8. Disc shaped structure only found in plants
  9. A type of matter with special properties that make it less rigid than a solid, but more rigid than a gas
  10. The sun produces this
  11. Tells you the number of atoms in an element
  12. The begin of the growth of a seed into a seedling
  13. Organism that contains Chlorophyll and uses photosynthesis
  14. Produces light energy

26 Clues: Generates ATP • Stored energy • Sugar in your blood • How plants make food • Atoms bonded together • The sun produces this • Produces light energy • The embryonic stage of a plant life cycle • Increasing of a plants volume and/or mass • Disc shaped structure only found in plants • Made up of protons, neutrons, and electrons • Tells you the number of atoms in an element • ...

Introduction to science 2023-05-18

Introduction to science crossword puzzle
Across
  1. Substance that is present at the start of the chemical reaction
  2. A simple molecule consisting of two atoms of hydrogen, and one of oxygen
  3. Stored energy
  4. Generates ATP
  5. Increasing of a plants volume and/or mass
  6. The embryonic stage of a plant life cycle
  7. Organism that contains Chlorophyll and uses photosynthesis
  8. A type of matter with special properties that make it less rigid than a solid, but more rigid than a gas
  9. How plants make food
  10. The process of breathing in oxygen and breathing out carbon dioxide
  11. The number of molecules or atoms involved in a chemical reaction
  12. Parts of plants that absorb water and minerals and transport them to the stems
Down
  1. Characteristics that enable us to differentiate one material from another
  2. A chemical element and its compounds in the natural state
  3. Plants need this along with water and oxygen for photosynthesis
  4. Anything that takes up space, and can be weighed
  5. The sun produces this
  6. The begin of the growth of a seed into a seedling
  7. Made up of protons, neutrons, and electrons
  8. Atoms bonded together
  9. Disc shaped structure only found in plants
  10. Substance that is present at the end of the chemical reactions
  11. Sugar in your blood
  12. Tells you the number of atoms in an element
  13. Produces light energy
  14. Colorless, odorless, and tasteless gas essential to living organisms

26 Clues: Stored energy • Generates ATP • Sugar in your blood • How plants make food • The sun produces this • Atoms bonded together • Produces light energy • Increasing of a plants volume and/or mass • The embryonic stage of a plant life cycle • Disc shaped structure only found in plants • Made up of protons, neutrons, and electrons • Tells you the number of atoms in an element • ...

Fall Science Review Pt. 1 2024-12-16

Fall Science Review Pt. 1 crossword puzzle
Across
  1. A rotting pear and using bleach are examples of chemical ___________.
  2. A particle is a small ___________ of matter.
  3. ___________ is solid turning to a liquid.
  4. A crushed can, dissolved salt, and cutting an apple are examples of ___________ changes.
  5. Vegetable oil, sand, and glass lenses are all ___________ in water.
  6. A substance that changes during a chemical reaction is called the ___________.
  7. ___________ is liquid turning to solid.
  8. Helium, carbon dioxide, and oxygen are all examples of ___________.
  9. ___________ is the amount of matter in an object.
  10. A mixture in which a substance is evenly mixed throughout another substance is a ___________.
  11. Iron nail, balloon, and metamorphic rocks are all examples of ___________.
  12. A new substance formed during a chemical reaction is a ___________.
  13. ___________ is how well matter allows energy to pass through.
  14. A ___________ is a combination of two or more substances.
  15. Lemon juice, drink mix, and honey are all ___________ in water.
Down
  1. A ___________ change is a change in which at least one new substance is formed.
  2. ___________ is gas turning to liquid.
  3. Rubbing alcohol, canola oil, corn syrup, and melted ice cream are all examples of ___________.
  4. ___________ is the amount of space matter takes up.
  5. ___________ state is whether matter is a solid, liquid, or gas.
  6. ___________ is liquid turning to gas.
  7. ___________ is whether or not matter dissolves in water.
  8. Liquids have a fixed volume, and take the ___________ of their container.
  9. Gases have no fixed ___________ and no fixed shape.
  10. Solids have a ___________ volume and fixed shape.

25 Clues: ___________ is gas turning to liquid. • ___________ is liquid turning to gas. • ___________ is liquid turning to solid. • ___________ is solid turning to a liquid. • A particle is a small ___________ of matter. • ___________ is the amount of matter in an object. • Solids have a ___________ volume and fixed shape. • ___________ is the amount of space matter takes up. • ...

Chemistry Final 2022-06-01

Chemistry Final crossword puzzle
Across
  1. a homogenous mixture of variable composition in a single phase
  2. the process of vaporization caused by random liquid particles close to the surface of a liquid obtaining sufficient kinetic energy to leave the liquid phase.
  3. a process for separating a mixture on the basis of the different boiling points of its components
  4. a substance formed when the anion of an acid and the cation of a base combine.
  5. a heterogenous mixture formed when medium-sized particles are dispersed in a dispersing medium
  6. the substance that is dissolved by a solvent; the substance in lower abundance in a solution
  7. The law that states that the pressure and volume of a sample of a gas at a constant temperature are inversely related PV=k
  8. the ability of a substance to spontaneously fill its available space
  9. chemical _____ is the state in a reversible chemical reaction in which the forward and reverse reaction rates are equal and the concentration of each substance is stable
  10. a _____ solution is a solution with a pH less than 7.
  11. the attraction between the particles of a liquid
  12. this type of solution contains the maximum amount of solute that it can hold at current conditions
  13. a naturally occurring biochemical catalyst
  14. any substance that breaks down normal surface tension by interfering with hydrogen bonds.
  15. the attraction between particles of a liquid and the particles of other materials.
  16. the study of the rates of chemical reactions and the steps by which they occur
  17. the _____ theory explains how chemical reactions occur that states that for a reaction to occur the substances (1) must collide (2) in the proper orientation and (3) with sufficient energy, called the activation energy
  18. the _____ solution contains more than the maximum amount of solute that it can normally hold at current conditions
  19. The law that states that the Kelvin temperature and a volume of a sample of gas at a constant pressure are directly related V/T=k
  20. a substance that changes a reaction rate without being consumed in the chemical reaction.
  21. the _____ point is the specific pressure and temperature at which a substance will be in the solid, liquid, and vapor forms in equilibrium.
  22. ______ energy is the energy released when gaseous particles form crystals
  23. a _____ solid has no distinct shape or underlying pattern.
  24. this type of reaction is a chemical reaction in which an acid and a base react to form water and a salt.
Down
  1. the most abundant substance in a solution; the substance that dissolves the solute.
  2. a heterogenous mixture formed when large particles are suspended in another substance. The suspended particles are so large that they will eventually settle out
  3. one of the different forms that an element can have
  4. the _____ law relates the pressure, temperature, volume, and the number of moles in any sample of gas; PV=nRT
  5. The maximum amount of a solute that can dissolved in a specific solvent under specific conditions, such as temperature and pressure.
  6. a solution that resists pH changes when acids or bases are added; usually consists of a weak acid and its conjugate base or a weak base and its conjugate acid.
  7. a _____ reaction is a reaction that can occur in both forward and the reverse directions
  8. the ability of a substance to be squeezed into a smaller volume by applying pressure
  9. a liquid's ability to resist flowing.
  10. a_____ solution is a solution that has a pH greater than 7.
  11. the ____ law states that the kelvin temperature and pressure of a sample of gas at a constant volume are directly related; P/T=k
  12. the _____ gas law states that the pressure, volume, and Kelvin temperature of a sample of gas vary jointly; PV/T=k
  13. ____tension is the elastic "skin" that forms on the surface of liquids, cased by the imbalance of intermolecular forces at the liquids surface
  14. the curved surface of a liquid caused by the interplay between cohesion and adhesion
  15. a substance that reduces the effectiveness of a catalyst, slowing its action
  16. the acronym form Standard Temperature and Pressure; this is a temperature and pressure agreed upon by chemists for comparison of research. 273.15 K and 101.325 kPa
  17. this type of solution contains less than the maximum amount of solute that it could hold at current conditions
  18. any substance that produces ions, which conduct electricity in a solution.
  19. (P) the force per unit area caused by the collisions of fluid particles with their container, usually found in kPa, torr, mmHg, or atm.
  20. the _______ energy is minimum energy necessary for a chemical reaction to occur when reactants collide in the proper orientation.
  21. the process by which particles pass through a tiny opening into an evacuated chamber.
  22. the ______ law states that the volume of a gas at a constant temperature and pressure is directly proportional to the number of moles in a gas.
  23. any substance that can flow

47 Clues: any substance that can flow • a liquid's ability to resist flowing. • a naturally occurring biochemical catalyst • the attraction between the particles of a liquid • one of the different forms that an element can have • a _____ solution is a solution with a pH less than 7. • a _____ solid has no distinct shape or underlying pattern. • ...

The review for Chemistry 2020-04-27

The review for Chemistry crossword puzzle
Across
  1. Fluid that conforms to the shape of it's container
  2. Matter in which many electrons wonder around freely in the nuclei of an atom
  3. Chemical reaction that is accompanied by absorption of heat
  4. Amount of energy exerted when a force of one newton is applied over a displacement of one meter
  5. atom Zero charge on atom
  6. Process of a liquid turning into vapor
  7. Chemical reaction that releases energy through light or heat
Down
  1. When a solid turns into a gas without first becoming a liquid
  2. Same elements different weights
  3. amount of stuff packed into a given space
  4. change Change from one state to another without chemical composition
  5. vaporization of a liquid which occurs when liquid is heated
  6. Has no fixed shape and no fixed volume
  7. Process in which a solid transitions to a liquid
  8. Firm and stable in shape; not liquid or fluid
  9. Flow of energy from one object to another
  10. Must be transferred to something in order to perform
  11. weight Mass of atom based upon the number of protons and neutrons
  12. Transition where a liquid turns into a solid when temperature is below it's freezing point
  13. Change from gas phase into a liquid phase

20 Clues: atom Zero charge on atom • Same elements different weights • Has no fixed shape and no fixed volume • Process of a liquid turning into vapor • amount of stuff packed into a given space • Flow of energy from one object to another • Change from gas phase into a liquid phase • Firm and stable in shape; not liquid or fluid • Process in which a solid transitions to a liquid • ...

Chemistry Crossword 2014-11-03

Chemistry Crossword crossword puzzle
Across
  1. organic Catalyst
  2. most reactive non metal
  3. this elements symbol is K
  4. a new substance after a chemical change is called a...
  5. a compound made of 1 non metal and 1 metal
  6. a subatomic particle with a negative charge
  7. Most reactive metal especially in air and water
  8. this elements symbol is O
  9. The horizontal category on the Periodic table (7 of them)
  10. a chart that groups all the elements in the world
  11. This elements symbol is H
  12. the substances you combine to create a chemical change are called...
  13. This elements symbol is Na
Down
  1. often a liquid or gas at room temperature
  2. The vertical category on the periodic table (18 of Them)
  3. a cemical reaction that absorbs heat
  4. a subatomic particle with no charge
  5. a compound made of 2 non metals
  6. The most stable and unreactive (gas)
  7. the average mass of an element
  8. in between a metal and non metal
  9. a subatomic particle with a positive charge
  10. the number that shows how many electrons and proton is in a element
  11. a chemical reaction that releases heat
  12. This elements symbol is Au

25 Clues: organic Catalyst • most reactive non metal • this elements symbol is K • this elements symbol is O • This elements symbol is H • This elements symbol is Au • This elements symbol is Na • the average mass of an element • a compound made of 2 non metals • in between a metal and non metal • a subatomic particle with no charge • a cemical reaction that absorbs heat • ...

Unit 0: Basic Chemistry 2024-08-29

Unit 0: Basic Chemistry crossword puzzle
Across
  1. the smallest unit of matter that retains the properties of the element
  2. negatively charged ion
  3. subatomic particle with no charge
  4. a substance consisting of two or more different elements combined
  5. starting material of a chemical reaction
  6. an unequal sharing of electrons that causes partial negative and positive charges
  7. a substance that cannot be broken down into any other substance
  8. a weak chemical bond formed between a slightly positive hydrogen atom and a slightly negative atom of another molecule
  9. attraction of a given atom for the electrons of a covalent bond
  10. an element with a varying number of neutrons
  11. an equal sharing of electrons between two atoms
Down
  1. subatomic particle with a negative charge
  2. positively charged ion
  3. the bonding capacity of a given atom or the number of covalent bonds it can form
  4. the dissolving agent of a solution
  5. measure of H+ concentration
  6. a liquid that is a homogenous mixture of two or more substances
  7. ending material of a chemical reaction
  8. substance dissolved in a solution
  9. subatomic particle with positive charge
  10. a bond formed resulting from the attraction between oppositely charged ion

21 Clues: positively charged ion • negatively charged ion • measure of H+ concentration • subatomic particle with no charge • substance dissolved in a solution • the dissolving agent of a solution • ending material of a chemical reaction • subatomic particle with positive charge • starting material of a chemical reaction • subatomic particle with a negative charge • ...

Basic Chemistry 2025-03-17

Basic Chemistry crossword puzzle
Across
  1. The number of protons in the nucleus of an atom, which determines the element
  2. Cl-
  3. A chemical reaction in which an atom or molecule gains electrons
  4. The type of bond forming NaCl
  5. This is the fear of water
  6. The smallest unit of an element
  7. A substance that resists changes in pH
  8. The bond that connects complementary bases between two DNA strands
  9. The element represented by K
  10. CO2
  11. A chemical bond formed when one atom transfers electrons to another, creating oppositely charged ions that attract each other
Down
  1. HCO3-
  2. An ion with a negative charge
  3. Na+
  4. The type of bond forming H20
  5. Atoms of the same element with different numbers of neutrons
  6. A weak bond formed when a hydrogen atom, already covalently bonded, is attracted to another electronegative atom like O or N
  7. A type of bond where electrons are shared between atoms
  8. When an atom or molecule gains or loses electrons
  9. The total number of protons and neutrons in an atom's nucleus
  10. Found in the nucleus of an atom
  11. An ion with a positive charge
  12. The element represented by N
  13. A chemical reaction in which an atom or molecule loses electrons
  14. Another name for a hydrogen ion

25 Clues: Na+ • Cl- • CO2 • HCO3- • This is the fear of water • The type of bond forming H20 • The element represented by K • The element represented by N • An ion with a negative charge • The type of bond forming NaCl • An ion with a positive charge • The smallest unit of an element • Found in the nucleus of an atom • Another name for a hydrogen ion • A substance that resists changes in pH • ...

Atoms & Molecules 2024-08-29

Atoms & Molecules crossword puzzle
Across
  1. - The amount of matter in an object, typically in atomic mass units (amu).
  2. - The smallest unit of an element.
  3. - A group of atoms bonded together.
  4. - A combination of symbols showing the elements in a compound.
  5. - A substance that cannot be broken down into simpler substances.
  6. - Atoms of the same element with different numbers of neutrons.
  7. - The outer electrons of an atom that are involved in bonding.
  8. - Referring to the repeating pattern of chemical properties in elements.
  9. - A substance produced in a chemical reaction.
  10. - An atom or molecule with an electric charge due to the loss or gain of electrons.
  11. - A substance made of two or more elements chemically bonded.
  12. - A force that holds atoms together in a molecule.
Down
  1. - A one or two-letter abbreviation representing an element.
  2. - The central core of an atom, containing protons and neutrons.
  3. - The electric property of particles, positive, negative, or neutral.
  4. - A substance that takes part in a chemical reaction.
  5. - A region around the nucleus where an electron is likely found.
  6. - A negatively charged particle that orbits the nucleus.
  7. - A neutral particle found in the nucleus of an atom.
  8. - A positively charged particle in the nucleus of an atom.

20 Clues: - The smallest unit of an element. • - A group of atoms bonded together. • - A substance produced in a chemical reaction. • - A force that holds atoms together in a molecule. • - A substance that takes part in a chemical reaction. • - A neutral particle found in the nucleus of an atom. • - A negatively charged particle that orbits the nucleus. • ...

Aceron Clint Timothy 2025-12-04

Aceron Clint Timothy crossword puzzle
Across
  1. / anything that has mass and takes space
  2. / dense center containing protons and neutrons
  3. / negatively charged particle orbiting nucleus
  4. / neutral particle found in nucleus
  5. Number / sum of protons and neutrons in an atom
  6. / group of atoms chemically bonded together
  7. / process of atoms joining into a larger atom
  8. / substance formed in a chemical reaction
  9. / easily changes or reacts
  10. / smallest unit that makes up matter
  11. Mass / weighted average mass of an element’s atoms
  12. / force that holds atoms together
  13. / smallest amount of energy possible
  14. / positively charged particle in nucleus
  15. / atom of same element with different neutrons
Down
  1. / tiny piece that makes up matter
  2. / substance made of one type of atom
  3. / energy released as waves or particles
  4. / level where electrons orbit the nucleus
  5. / regions that show where electrons may be
  6. / splitting of an atom into smaller parts
  7. / arranged in repeating chemical patterns
  8. Cloud / space around nucleus where electrons move
  9. / not likely to change or react
  10. / atom that has gained or lost electrons
  11. / substance made from different elements bonded
  12. / starting substance in a chemical reaction
  13. / ability to cause change or do work
  14. / electrons in the outermost shell
  15. Number / number of protons that identifies an element

30 Clues: / easily changes or reacts • / not likely to change or react • / tiny piece that makes up matter • / force that holds atoms together • / electrons in the outermost shell • / neutral particle found in nucleus • / substance made of one type of atom • / smallest unit that makes up matter • / ability to cause change or do work • / smallest amount of energy possible • ...

Nutrition 2023-03-30

Nutrition crossword puzzle
Across
  1. Hormones are chemical substances that are important for the body, hormones are produced by the glands?
  2. In the human respiratory system,the process of oxygen diffusion occurs in...
  3. An infection that causes inflammation of the air sacs in one or both lungs, which can fill with fluid is a disease?
  4. The reaction between reducing sugars and amino acids in the presence of heating is a reaction?
  5. Which is the primary lymphatic organ is?
  6. The condition when the body's immune system reacts abnormally to a foreign substance is?
  7. Inflammation of the bile ducts is a disease?
  8. The reaction of an alcohol with a carboxylic acid is called a reaction ?
  9. Nutrients are included in the examples of factors derived from?
Down
  1. Biomolecules in the form of proteins that function as catalysts in an organic chemical reaction are?
  2. Process of processing oil or fat by way of adding hydrogen gas to the double bond of a fatty acid nickel catalyst aid is?
  3. The intestinal glands produce hormones?
  4. Diabetes is a disease when there is a deficiency of the hormone ?
  5. Carbohydrate catabolism undergoes several stages, including the transfer of electrons that occur inside?
  6. Substitute oil or fat with the same weight as margarine is...
  7. a gland capable of producing hormones The hormone produced can stimulate other glands to produce hormones which are called ?
  8. the process of separating a certain quantity of a mixture into smaller parts is a process?
  9. The movement of the forearms to the palms, looking up and lying down is caused by muscle activity....
  10. Enzymes that help convert glucose into glucose 6 phosphate in the process of glycolysis are enzymes?
  11. The lungs are covered by a thin membrane called ?

20 Clues: The intestinal glands produce hormones? • Which is the primary lymphatic organ is? • Inflammation of the bile ducts is a disease? • The lungs are covered by a thin membrane called ? • Substitute oil or fat with the same weight as margarine is... • Nutrients are included in the examples of factors derived from? • ...

Chemistry Crossword 2024-03-01

Chemistry Crossword crossword puzzle
Across
  1. One name for the vertical columns on the periodic table
  2. Used to decrease the concentration of a solution
  3. Name for group 17 elements
  4. These are used to speed up a chemical reaction
  5. ________ compounds are formed between a cation and anion
  6. Changing phase is an example of a ___________ change
  7. The SI base unit of distance in the metric system
  8. A reaction where a hydrocarbon burns in oxygen
  9. Bunsen _______________
  10. A reaction that releases heat from the system
  11. Element P
  12. kg unit
  13. A mixture with non-uniform appearance
  14. Will produce H+ ions when in water
  15. Will produce OH- when in water
  16. Used to measure the mass of something in the lab
  17. Element F
  18. The center of an atom that contains both protons and neutrons
  19. A negatively charged ion
  20. A temperature scale used in science
Down
  1. A naturally occurring radioactive element
  2. Worn to protect your eyes in the lab
  3. A bond between two atoms sharing electrons
  4. Substances to the left of the arrow in a chemical reaction
  5. A negatively charged subatomic particle
  6. Subatomic particle with no charge
  7. A solution in which water is the solvent
  8. A reaction that produces only one product
  9. The name for a substance with two or more atoms chemically bonded to one another
  10. A measure of the average kinetic energy in a substance
  11. The lightest noble gas element
  12. We need this element to live
  13. One name for the horizontal rows on the periodic table
  14. Aluminum is categorized as a ______________
  15. One of the most common solvents
  16. The state of matter with very little space between atoms

36 Clues: kg unit • Element P • Element F • Bunsen _______________ • A negatively charged ion • Name for group 17 elements • We need this element to live • The lightest noble gas element • Will produce OH- when in water • One of the most common solvents • Subatomic particle with no charge • Will produce H+ ions when in water • A temperature scale used in science • ...

Chapter 19 & 20 Chemistry 2022-05-11

Chapter 19 & 20 Chemistry crossword puzzle
Across
  1. a single electrode submerged in a solution of its ions
  2. the mor active an element is, the (blank) its tendency to lose electrons and a better reducing agent it is
  3. a process in which a substance acts as both an oxidizing agent and a reducing agent
  4. a battery that combines the oxidation-reduction chemistry of both voltaic and electrolytic cells
  5. a reaction in which elements undergo changes in oxidation numbers
  6. the process of passing a current through a cell for which the cell potential is negative causing an oxidation-reduction reaction to occur
  7. a substance that has the potential to cause another substance to be reduced is a reducing (blank)
  8. a conductor used to establish electrical contact with a nonmetallic part of a circuit such as an electrolyte
  9. assigning oxidation numbers is the (blank) step in balancing redox reactions
  10. oxidation is losing reduction is gaining
  11. processes in which the oxidation state of an element decreases
  12. (blank) cells use spontaneous oxidation-reduction reactions to convert chemical energy to electrical energy [galvanic cells]
Down
  1. a substance that has the potential to cause another substance to increase in charge is a(n) (blank) number
  2. the branch of chemistry that
  3. an electrolytic process in which a metal is reduced and a solid metal is deposited on a surface
  4. the part of a reaction involving oxidation or reduction alone is a (blank) reaction
  5. the potential of a half-cell under standard conditions measured relative to standard hydrogen electrode is (blank) electrode potential
  6. the electrode where reduction occurs
  7. an electrochemical cell that requires an external source of electrical energy to drive a chemical reaction that would not otherwise occur
  8. the electrode where oxidation occurs
  9. with electricity related applications of oxidation-reduction reactions
  10. processes in which the atoms or ions of an element experience an increase in oxidations state

22 Clues: the branch of chemistry that • the electrode where reduction occurs • the electrode where oxidation occurs • oxidation is losing reduction is gaining • a single electrode submerged in a solution of its ions • processes in which the oxidation state of an element decreases • a reaction in which elements undergo changes in oxidation numbers • ...

#cellbiology 2019-05-21

#cellbiology crossword puzzle
Across
  1. Compounds within the cells that do not disolve in water;fats and lipids
  2. Structure composed with DNA that is wrapped in proteins
  3. Protein that carries molecules throughout the body
  4. Lipid with two lipid tails
  5. Allows only certain things to enter and leave the cell
  6. Chemical that speeds up a chemical reaction without being used up
  7. When cells lose the normal controls that regulate their growth and division
Down
  1. Protein that catalyzes a chemical reaction within an organism
  2. Microbe that is responsible for invading another cell to reproduce
  3. Event where chromosomes of a parent cell seperate into two identical sets
  4. Movement of substances from lower to higher concentrations
  5. Process when DNA is copied within each cell
  6. Disease that disrupts the body's ability to process sugars;noninfectious disease
  7. Measure of acidity
  8. Cell compartment that is surrounded by a membrane anad carries materials to other cells

15 Clues: Measure of acidity • Lipid with two lipid tails • Process when DNA is copied within each cell • Protein that carries molecules throughout the body • Allows only certain things to enter and leave the cell • Structure composed with DNA that is wrapped in proteins • Movement of substances from lower to higher concentrations • ...

zachs crossword puzzle 2022-09-19

zachs crossword puzzle crossword puzzle
Across
  1. basic unit of a chemical elemnt
  2. increases rate of chemical reaction
  3. sharing of two electrons
  4. spread around
  5. gives energy
  6. measure of thermal energy
  7. lowest part
  8. group of atoms bonded together
  9. reacts to what it is mixed with
  10. fatty substance
  11. acid form protiens
  12. gives your body nutrients to do things
  13. dissolves metals
  14. shows someone or something
  15. cannot be broken down
  16. manufactured or re defined
  17. change does not affect the chemical matter
Down
  1. relates to north or south
  2. sugar molecules
  3. composed of two or more elements
  4. action or fact as a whole
  5. building blocks
  6. change of materials into another
  7. takes up space
  8. regulates the heat or cold in a place
  9. wearing away of
  10. compound large class of compounds
  11. almost always a protien
  12. become a liquid

29 Clues: lowest part • gives energy • spread around • takes up space • sugar molecules • building blocks • wearing away of • fatty substance • become a liquid • dissolves metals • acid form protiens • cannot be broken down • almost always a protien • sharing of two electrons • relates to north or south • action or fact as a whole • measure of thermal energy • shows someone or something • ...

Biology Crossword 2020-10-08

Biology Crossword crossword puzzle
Across
  1. / an organ or cell that can respond to signals
  2. / used to describe something that does not require oxygen
  3. respiration / aerobic process
  4. / higher osmotic pressure than a substance
  5. / outcome of chemical reactions
  6. / colorless fluid
  7. cycle / series of chemical reactions
  8. / provides most of the chemical energy
  9. / organelle that stores DNA
  10. / substance that produces color
  11. / maintaining internal status
  12. / acceptor of energized electrons
  13. / organic compound that provides energy
  14. / movement of high concentration to low
  15. / same osmotic pressure as a substance
Down
  1. / relating or requiring oxygen
  2. membrane / membrane that separates the interior from exterior
  3. / protoplasm within a living cell
  4. / contains amino acids
  5. / enlarges the rate of chemical reaction
  6. / organelles that conduct photosynthesis
  7. / living organism that produces organic substances
  8. / metabolic process
  9. / movement of low concentration to high
  10. / vesicle within the cytoplasm

25 Clues: / colorless fluid • / metabolic process • / contains amino acids • / organelle that stores DNA • / maintaining internal status • / relating or requiring oxygen • respiration / aerobic process • / vesicle within the cytoplasm • / outcome of chemical reactions • / substance that produces color • / protoplasm within a living cell • / acceptor of energized electrons • ...

enzyme puzzle 2020-01-27

enzyme puzzle crossword puzzle
Across
  1. / enzyme lacked by lactose intolerant people
  2. / rate of reaction as pH exceeds the optimum level
  3. / enzymes that can be used many times, resulting in cost saving
  4. / region on the surface of the enzyme to which the substrate binds and which catalyses the reaction
  5. / induced by the substrate approaching the enzyme
  6. / The substrate and active site match each other structurally and chemically
  7. / reactant in a biochemical reaction
  8. / change in the conformation of the protein
  9. / globular protein that acts as a biological catalyst (increases the rate of reaction by lowering the activation energy threshold)
  10. / enzymes attached to a material so that their movement is restricted
  11. / affected by the substrate concentration
Down
  1. / the substrate and active site happen to be correctly aligned to allow binding to take place
  2. / Minimum energy required for the reactants to possess in order to undergo a chemical reaction
  3. / contain proteases and lipases to break down stains
  4. / coming together of a substrate and an active site
  5. / can cause denaturation as vibrations in the molecule break the intermolecular bonds or interactions
  6. / increase in rate of reaction caused by a globular protein
  7. / enzyme that catalyses the conversion of hydrogen peroxide into water and oxygen
  8. / used in cheese production

19 Clues: / used in cheese production • / reactant in a biochemical reaction • / affected by the substrate concentration • / change in the conformation of the protein • / enzyme lacked by lactose intolerant people • / induced by the substrate approaching the enzyme • / rate of reaction as pH exceeds the optimum level • / coming together of a substrate and an active site • ...

Dictionary of Science! 2024-10-07

Dictionary of Science! crossword puzzle
Across
  1. particles used as building blocks
  2. a grouping of atoms bonded together
  3. the result of chemical reactions
  4. indicates the amount of an atom in a molecule
  5. the reaction of separating different elements
Down
  1. (two words)a singular element
  2. a substance that is unbreakable
  3. when 2 or more elements combine
  4. takes part in chemical reaction, on left side of arrow
  5. a number that represents the amount of molecules
  6. the amount of matter in an item

11 Clues: (two words)a singular element • a substance that is unbreakable • when 2 or more elements combine • the amount of matter in an item • the result of chemical reactions • particles used as building blocks • a grouping of atoms bonded together • indicates the amount of an atom in a molecule • the reaction of separating different elements • ...

Chapter 19 & 20 Chemistry 2022-05-11

Chapter 19 & 20 Chemistry crossword puzzle
Across
  1. a single electrode submerged in a solution of its ions
  2. the mor active an element is, the (blank) its tendency to lose electrons and a better reducing agent it is
  3. a process in which a substance acts as both an oxidizing agent and a reducing agent
  4. a battery that combines the oxidation-reduction chemistry of both voltaic and electrolytic cells
  5. a reaction in which elements undergo changes in oxidation numbers
  6. the process of passing a current through a cell for which the cell potential is negative causing an oxidation-reduction reaction to occur
  7. a substance that has the potential to cause another substance to be reduced is a reducing (blank)
  8. a conductor used to establish electrical contact with a nonmetallic part of a circuit such as an electrolyte
  9. assigning oxidation numbers is the (blank) step in balancing redox reactions
  10. oxidation is losing reduction is gaining
  11. processes in which the oxidation state of an element decreases
  12. (blank) cells use spontaneous oxidation-reduction reactions to convert chemical energy to electrical energy [galvanic cells]
Down
  1. a substance that has the potential to cause another substance to increase in charge is a(n) (blank) number
  2. the branch of chemistry that
  3. an electrolytic process in which a metal is reduced and a solid metal is deposited on a surface
  4. the part of a reaction involving oxidation or reduction alone is a (blank) reaction
  5. the potential of a half-cell under standard conditions measured relative to standard hydrogen electrode is (blank) electrode potential
  6. the electrode where reduction occurs
  7. an electrochemical cell that requires an external source of electrical energy to drive a chemical reaction that would not otherwise occur
  8. the electrode where oxidation occurs
  9. with electricity related applications of oxidation-reduction reactions
  10. processes in which the atoms or ions of an element experience an increase in oxidations state

22 Clues: the branch of chemistry that • the electrode where reduction occurs • the electrode where oxidation occurs • oxidation is losing reduction is gaining • a single electrode submerged in a solution of its ions • processes in which the oxidation state of an element decreases • a reaction in which elements undergo changes in oxidation numbers • ...

Paper 3 & 4 Crossword 2 2024-06-10

Paper 3 & 4 Crossword 2 crossword puzzle
Across
  1. - Rate of doing work (5)
  2. - Resistance when surfaces move against each other (8)
  3. - Substance dissolved in a solvent (6)
  4. - Opposition to current (10)
  5. - Flow of electric charge (7)
  6. - Unit of force (6)
  7. - Positive electrode in electrolysis (5)
  8. - Substance that dissolves a solute (7)
  9. - Negative electrode in electrolysis (6)
  10. - Process of using electricity to cause a chemical change (12)
  11. - Positively charged particle (6)
  12. - Atom with same number of protons, different neutrons (7)
  13. - Process of a liquid changing to a gas (10)
  14. - Natural source of a metal (3)
  15. - Transition from solid to gas without passing through liquid (11)
  16. - Rate of change of velocity (12)
  17. - Force applied over distance (4)
Down
  1. - Electrical potential difference (7)
  2. - Homogeneous mixture of solute and solvent (8)
  3. - Unit of energy (5)
  4. - Speed in a given direction (8)
  5. - Product of an acid and base reaction (4)
  6. - Push or pull on an object (5)
  7. - Substance that speeds up a chemical reaction (8)
  8. - Force of attraction between objects with mass (7)
  9. - Reaction between an acid and a base to form water and a salt (14)
  10. - Center of an atom (7)
  11. - Reaction that releases heat (10)
  12. - Neutral particle in an atom (7)
  13. - Scale used to measure acidity or alkalinity (2)
  14. - Negatively charged particle (8)
  15. - State where the forward and reverse reactions occur at the same rate (11)
  16. - Reaction that absorbs heat (10)
  17. - Mixture of metals (5)
  18. - Process of a gas changing to a liquid (12)
  19. - Mass in motion (8)
  20. - Number of particles in a mole (8)

37 Clues: - Unit of force (6) • - Unit of energy (5) • - Mass in motion (8) • - Center of an atom (7) • - Mixture of metals (5) • - Rate of doing work (5) • - Opposition to current (10) • - Flow of electric charge (7) • - Push or pull on an object (5) • - Natural source of a metal (3) • - Speed in a given direction (8) • - Neutral particle in an atom (7) • - Negatively charged particle (8) • ...

savanna 2021-12-02

savanna crossword puzzle
Across
  1. displacement AB+CD=AD+CB
  2. AB+oxygen=oxides of A and B
  3. is a measure of the concentration of hydronium ions
  4. is a chemical that donates a hydrogen ion, H
  5. A+B=AB
Down
  1. when reaction and its reverse act at the same rate
  2. displacement AB+C=AC+B
  3. AB=A+B
  4. a substance that lowers the activation energy of a chemical reaction, which allows for the reacting to go faster
  5. is a chemical that accepts a hydrogen ion, H

10 Clues: AB=A+B • A+B=AB • displacement AB+C=AC+B • displacement AB+CD=AD+CB • AB+oxygen=oxides of A and B • is a chemical that accepts a hydrogen ion, H • is a chemical that donates a hydrogen ion, H • when reaction and its reverse act at the same rate • is a measure of the concentration of hydronium ions • ...

science keywords 2022-02-25

science keywords crossword puzzle
Across
  1. nonmetallic element that has some metal characteristics
  2. area outside the nucleus
  3. average atomic mass of an element
  4. arrangment of the chemical elements in rows and columns
  5. substance formed as a result of a chemical reaction
  6. the number of protons in the nuclues
Down
  1. does not condut heat very or electricity very well and is not hard
  2. combination of two or more bonded elements
  3. ability to be molded or shaped without breaking
  4. characteristic that shows up as a result of a chemical reaction

10 Clues: area outside the nucleus • average atomic mass of an element • the number of protons in the nuclues • combination of two or more bonded elements • ability to be molded or shaped without breaking • substance formed as a result of a chemical reaction • nonmetallic element that has some metal characteristics • arrangment of the chemical elements in rows and columns • ...

Chemistry Cross words 2024-08-18

Chemistry Cross words crossword puzzle
Across
  1. The smallest unit of a chemical element
  2. The central part of an atom, containing protons and neutrons (7 letters)
  3. A negatively charged particle found in atoms
  4. The number of protons in an atom's nucleus
  5. A change in which one or more substances are converted into new substance
Down
  1. Bond formed when atoms share electrons
  2. The chemical element with the symbol 'O'
  3. The pH level that is neither acidic nor basic
  4. A substance that speeds up a chemical reaction Catal
  5. Table showing all known elements

10 Clues: Table showing all known elements • Bond formed when atoms share electrons • The smallest unit of a chemical element • The chemical element with the symbol 'O' • The number of protons in an atom's nucleus • A negatively charged particle found in atoms • The pH level that is neither acidic nor basic • A substance that speeds up a chemical reaction Catal • ...

Chemistry Cross words 2024-08-18

Chemistry Cross words crossword puzzle
Across
  1. The smallest unit of a chemical element
  2. The central part of an atom, containing protons and neutrons
  3. A negatively charged particle found in atoms
  4. The number of protons in an atom's nucleus
  5. A change in which one or more substances are converted into new substance
Down
  1. Bond formed when atoms share electrons
  2. The chemical element with the symbol 'O'
  3. The pH level that is neither acidic nor basic
  4. A substance that speeds up a chemical reaction
  5. Table showing all known elements

10 Clues: Table showing all known elements • Bond formed when atoms share electrons • The smallest unit of a chemical element • The chemical element with the symbol 'O' • The number of protons in an atom's nucleus • A negatively charged particle found in atoms • The pH level that is neither acidic nor basic • A substance that speeds up a chemical reaction • ...

Chapter 8 b 2021-03-23

Chapter 8 b crossword puzzle
Across
  1. The portion of a biological system's energy that can perform work when temperature and pressure are uniform throughout the system.
  2. A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings.
  3. A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.
  4. A spontaneous chemical reaction in which there is a net release of free energy.
  5. The capacity to cause change, especially to do work (to move matter against an opposing force).
Down
  1. A temporary complex formed when an enzyme binds to its substrate molecule(s).
  2. A substance that reduces the activity of an enzyme by entering the active site in place of the substrate, whose structure it mimics.
  3. In cellular metabolism, the use of energy released from an exergonic reaction to drive an endergonic reaction.
  4. Thermal energy in transfer from one body of matter to another.
  5. A macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction.

10 Clues: Thermal energy in transfer from one body of matter to another. • A temporary complex formed when an enzyme binds to its substrate molecule(s). • A spontaneous chemical reaction in which there is a net release of free energy. • A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings. • ...

enzymology 2025-12-01

enzymology crossword puzzle
Across
  1. organic component of an enzyme
  2. substrate concentration at 1/2 vmax
  3. cardiac biomarker
  4. multiple forms with same enzyme activity
  5. takes part in a reaction
Down
  1. subrate binding site
  2. slows down the chemical reaction
  3. irreversible covalent modification
  4. Accelerate a chemcial reaction
  5. Marker of cholestasis

10 Clues: cardiac biomarker • subrate binding site • Marker of cholestasis • takes part in a reaction • organic component of an enzyme • Accelerate a chemcial reaction • slows down the chemical reaction • irreversible covalent modification • substrate concentration at 1/2 vmax • multiple forms with same enzyme activity

thermochemistry 2022-12-09

thermochemistry crossword puzzle
Across
  1. the heat energy given out when one one mole of a substance burns
  2. the change in the enthalpy of a chemical reaction that occurs at a constant pressure
  3. the amount of energy is neither created nor changed
  4. heat absorbed by 1 mole of that substance as it is converted from a solid to a liquid
  5. accompanied by or requiring the adsorption of heat
  6. energy which a body possesses by virtue of being in motion
  7. accompanied by the release of heat
  8. the energy stores in the chemical bonds of substances
  9. the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
  10. the quality of being hot
  11. the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge,and other factors
Down
  1. the heat absorbed by one mole of a substance as it is converted from gas to liquid
  2. the SI unit of work or energy, equal to the work done by a force of one
  3. used to measure amounts of heat transferred to or from substances
  4. the degree or intensity of heat present in an object
  5. the heat required to raise the temperature of the unit
  6. power derived from the utilizations of physical or chemical resources, especially to provide light and heat or to work machines
  7. a unit of energy equivalent to the heat energy needed to raise the temperature
  8. an appartys for measuring the amount of heat involved in a chemical reaction

19 Clues: the quality of being hot • accompanied by the release of heat • accompanied by or requiring the adsorption of heat • the amount of energy is neither created nor changed • the degree or intensity of heat present in an object • the energy stores in the chemical bonds of substances • the heat required to raise the temperature of the unit • ...

science cross word 2017-06-13

science cross word crossword puzzle
Across
  1. a law where energy can neither be created nor destroyed
  2. the outcome in a chemical reaction
  3. More than one substances turning into other substances.
  4. when the electronegativity force between two atoms is higher than 2.0
  5. the strongest intermolecular force
  6. the weakest intermolecular force
  7. the number of heat units needed to raise the temperature of a body by one degree
  8. the physical laws that describe the properties of gases
Down
  1. the state in which both reactants and products are present in concentrations which have no further tendency to change with time.
  2. when the electronegativity force between two atoms is 0.4 or less
  3. what is being used in a chemical reaction
  4. concerned with the quantities of heat evolved or absorbed during chemical reactions.
  5. Attraction formed when elements share electrons.
  6. polar molecules that have partial charges to each other like magnets
  7. when the electronegativity force between two atoms is between 0.4 and 2.0

15 Clues: the weakest intermolecular force • the outcome in a chemical reaction • the strongest intermolecular force • what is being used in a chemical reaction • Attraction formed when elements share electrons. • a law where energy can neither be created nor destroyed • More than one substances turning into other substances. • ...

Chapters 7-9 2023-11-06

Chapters 7-9 crossword puzzle
Across
  1. A bond that forms from the interaction of parallel p orbitals
  2. the mixing of atomic orbitals
  3. -dipole: Attractive forces that act between polar molecules
  4. The numeric values written to the left of each species in a chemical equation to balance the equation
  5. The dissolved substance in a solution
  6. The number of moles of solute per liter of solution
  7. An ionic compound made up of the cation from a base and the anion from an acid
  8. Substance in a solution that is present in the largest amount
Down
  1. A bond in which the shared electron density is concentrated directly along the internuclear axis
  2. The angle between two adjacent A-B bonds
  3. A substance that forms in a chemical reaction
  4. ____ Yield: Maximum amount of product that can be formed
  5. The process of preparing a less concentrated solution from a more concentrated one
  6. Dissolved in water
  7. A substance that is consumed in a chemical reaction

15 Clues: Dissolved in water • the mixing of atomic orbitals • The dissolved substance in a solution • The angle between two adjacent A-B bonds • A substance that forms in a chemical reaction • A substance that is consumed in a chemical reaction • The number of moles of solute per liter of solution • ____ Yield: Maximum amount of product that can be formed • ...

Microbial Metabolism 2022-10-20

Microbial Metabolism crossword puzzle
Across
  1. Organisms that obtain energy from light.
  2. Chemical reactions that break down complex molecules.
  3. A molecule that specifically binds to the active site of an enzyme.
  4. Organisms that utilize organic molecules to obtain energy.
  5. Enzyme bounded with either cofactor or coenzyme.
  6. Synthesize complex molecules.
  7. Enzyme with neither cofactor nor coenzyme bounded.
  8. A type of inhibitor that regulates enzymatic reaction by preventing the binding of substrate to the active site of an enzyme.
Down
  1. Inorganic ions that maintain the stable conformation of enzyme and its function.
  2. Organisms obtain their energy from chemical compounds.
  3. Uses inorganic molecules for energy production.
  4. An organic molecule that is usually derived from vitamins that aid in normal enzymatic reaction.
  5. An inhibitor causing a change in the conformation of the enzyme and alters its functionality.
  6. Biological catalyst that increases the rate of chemical reactions within the cell.
  7. Energy currency of the cell.

15 Clues: Energy currency of the cell. • Synthesize complex molecules. • Organisms that obtain energy from light. • Uses inorganic molecules for energy production. • Enzyme bounded with either cofactor or coenzyme. • Enzyme with neither cofactor nor coenzyme bounded. • Chemical reactions that break down complex molecules. • Organisms obtain their energy from chemical compounds. • ...

Chemistry Study Guide 2016-02-11

Chemistry Study Guide crossword puzzle
Across
  1. regions of space outside the nucleus of an atom where an electron may exist (rings)
  2. smallest part of an element and cannot be broken down any further
  3. abbreviation of an element
  4. new substances formed from a chemical reaction
  5. positively charged center of an atom (high density)
  6. same number of protons and electrons
  7. created Periodic Table
  8. energy is released (warmer)
  9. energy is absorbed (cooler)
  10. row of elements (7) (horizontal)
  11. shiny, good conductors of heat & electricity, solid
  12. element with low chemical reactivity, odorless, colorless
  13. column of elements (18) (vertical)
  14. atomic particles that move around the nucleus of an atom and carry a positive charge
  15. amount of matter in an atomic particle
  16. a reaction that occurs in which a layer of metal is bonded to the surface of another metal
  17. of Conservation of Mass matter, mixtures, pure substances can be changed, but the mass stays the same
Down
  1. combination of two or more elements
  2. chemical compound made up of different atoms bonded by chemical relationships
  3. electrons in outermost orbital
  4. substance that cannot be broken down into simpler substances
  5. atomic particles found in nucleus of atom, carry no electric charge
  6. cross of metals and no metals, can partially conduct electricity
  7. aren't malleable or ductile, poor conductors of heat and electricity
  8. atomic particles found in nucleus of atom, carry positive charge

25 Clues: created Periodic Table • abbreviation of an element • energy is released (warmer) • energy is absorbed (cooler) • electrons in outermost orbital • row of elements (7) (horizontal) • column of elements (18) (vertical) • combination of two or more elements • same number of protons and electrons • amount of matter in an atomic particle • ...