chemical reaction Crossword Puzzles

Matter Vocab Puzzle 2024-05-16

Matter Vocab Puzzle crossword puzzle
Across
  1. substances at the beginning of a chemical reaction
  2. something that is made of 2 or more elements
  3. one that puts out heat
  4. changes in matter that don't change what the matter is
  5. how a substance can change
  6. a chemical substance that cannot be broken down into other substances
  7. a large body of matter with no definite shape
  8. what you get at the end of a reaction
  9. the ability to do things
  10. how a substance can be observed
  11. a combination of 2 or more substances that aren't together
Down
  1. an attraction between atoms
  2. changes in matter that do change what the matter is
  3. when a substance is transferred into a different substance
  4. the amount of space something takes up
  5. the study of the make up of all things
  6. a group of atoms bonded together
  7. one that absorbs or uses heat energy
  8. the small building blocks of everything
  9. the amount of heat in something
  10. something that has mass or take up space
  11. the attraction of molecules for other molecules of the same kind
  12. a form of energy

23 Clues: a form of energy • one that puts out heat • the ability to do things • how a substance can change • an attraction between atoms • the amount of heat in something • how a substance can be observed • a group of atoms bonded together • one that absorbs or uses heat energy • what you get at the end of a reaction • the amount of space something takes up • ...

Chemistry 1 Review Crossword Puzzle 2022-05-26

Chemistry 1 Review Crossword Puzzle crossword puzzle
Across
  1. Element with the largest radius.
  2. Property that can be observed without changing the composition of a material.
  3. Loss of electrons.
  4. Pressure and volume are ___________ proportional.
  5. Atoms of the same element with different numbers of neutrons.
  6. tiny, central, dense, positively charged core of an atom.
  7. Group 17 elements.
  8. Minimum energy for a reaction to occur.
  9. Reaction that happens in the sun.
  10. Type of covalent bond where electrons are shared unequally.
  11. Prefix for 4.
Down
  1. Energy is released.
  2. Chemical formula that shows the lowest ratio of atoms.
  3. Reaction rates at equilibrium are ________.
  4. Substance that dissolves to make a solution.
  5. substance that can be changed into simpler substances by chemical means.
  6. Weakest intermolecular force.
  7. Metric base unit of mass.
  8. Subatomic particle with a mass of 1 and a charge of 0.
  9. Variable that is deliberately changed by the experimenter.
  10. Elements in the same _________ have similar properties
  11. Positively charged ion.
  12. Group 1 elements are ________ metals.
  13. Less than the maximum amount of solute dissolved.
  14. Proton donor.

25 Clues: Proton donor. • Prefix for 4. • Loss of electrons. • Group 17 elements. • Energy is released. • Positively charged ion. • Metric base unit of mass. • Weakest intermolecular force. • Element with the largest radius. • Reaction that happens in the sun. • Group 1 elements are ________ metals. • Minimum energy for a reaction to occur. • Reaction rates at equilibrium are ________. • ...

Y9 Key Words So Far 2025-11-13

Y9 Key Words So Far crossword puzzle
Across
  1. One repeating unit
  2. A circuit with one loop
  3. Removing oxygen in a chemical reaction
  4. A wet material evaporated in an oven to form a hard material
  5. The 'food' plants make
  6. The unit of current
  7. The centre of an atom
  8. The process of plants making their own food
  9. Removing pure metal from how it is found
  10. Word to describe the noble gases meaning unreactive
  11. Different materials combined to create a better material e.g. fibreglass
  12. How metals are found in nature
Down
  1. Measures voltage in a circuit
  2. Name for the group 7 elements
  3. The reaction of one metal taking another metals place
  4. A circuit with multiple loops
  5. Adding oxygen in a chemical reaction
  6. Columns on the periodic table
  7. The word to describe 'free' electrons
  8. The force that causes static electricity
  9. The unit of voltage
  10. Measures current in a circuit
  11. Rows on the periodic table
  12. Where photosynthesis takes place in a cell
  13. Negatively charged particle in an atom
  14. Monomers joined together in a long chain
  15. Where photosynthesis takes place in a plant

27 Clues: One repeating unit • The unit of voltage • The unit of current • The centre of an atom • The 'food' plants make • A circuit with one loop • Rows on the periodic table • Measures voltage in a circuit • Name for the group 7 elements • A circuit with multiple loops • Columns on the periodic table • Measures current in a circuit • How metals are found in nature • ...

Physical and chemicals 2025-04-15

Physical and chemicals crossword puzzle
Across
  1. A solid that forms when two liquids react (chemical change).
  2. A physical change where a liquid turns to a gas (example: water boiling into steam).
  3. A physical change where a solid becomes a liquid (example: ice melting).
  4. A chemical change where something reacts with oxygen and gives off heat or light.
  5. Anything that has mass and takes up space.
  6. Change A change in a substance that does not change what it is (example: cutting paper, melting ice).
  7. Change A clue that a chemical change might have happened.
  8. A physical change where gas becomes liquid (example: water droplets on a cold glass).
  9. A chemical change where a metal changes color (example: silver turning black).
  10. Formation When bubbles form during a reaction, it may be a chemical change.
Down
  1. A physical change where a liquid becomes a solid (example: water freezing into ice).
  2. A chemical change where iron reacts with oxygen to form rust.
  3. When one or more substances change into something new.
  4. A physical change where a liquid becomes a gas at the surface.
  5. Change A change that forms a new substance with different properties (example: rusting iron, burning wood).

15 Clues: Anything that has mass and takes up space. • When one or more substances change into something new. • Change A clue that a chemical change might have happened. • A solid that forms when two liquids react (chemical change). • A chemical change where iron reacts with oxygen to form rust. • A physical change where a liquid becomes a gas at the surface. • ...

AP CHEMISTRY_UNIT 6_THERMODYNAMICS 2024-12-16

AP CHEMISTRY_UNIT 6_THERMODYNAMICS crossword puzzle
Across
  1. The heat required to convert a solid directly into a gas.
  2. The movement of thermal energy from one place to another.
  3. The phase change from liquid to gas.
  4. The temperature at which a solid becomes a liquid.
  5. The temperature at which a liquid becomes a gas.
  6. A graph showing the energy changes during a reaction.
  7. A graph showing the potential energy changes during a reaction.
  8. The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.
  9. A reaction that releases heat.
  10. Heat transfer through electromagnetic waves.
  11. The physical state of a substance under standard conditions.
  12. Everything outside the system in a thermodynamic process.
  13. The minimum energy required to start a chemical reaction.
  14. The heat change when one mole of a substance is formed from its elements.
  15. The total energy contained within a system.
  16. The heat released during the combustion of a substance.
  17. A measure of a material's ability to conduct heat.
  18. The total enthalpy change of a reaction is the same, no matter how many steps it takes.
  19. The heat change when one mole of a compound is formed from its elements.
  20. The phase change from solid to liquid.
  21. An instrument used to measure heat changes.
  22. A transition between solid, liquid, and gas.
  23. Heat transfer through direct contact.
  24. The phase change from solid to gas without passing through the liquid phase.
  25. Heat transfer by the movement of fluids.
  26. The energy required to break a chemical bond.
  27. A graph showing the enthalpy changes during a reaction.
Down
  1. A chemical equation that includes the enthalpy change.
  2. The amount of heat required to raise the temperature of a substance.
  3. A process that releases heat.
  4. The heat change when one mole of a substance is burned in excess oxygen.
  5. The SI unit of energy.
  6. The heat change at constant pressure.
  7. The state in which two objects in contact have no net heat flow.
  8. The heat change when a solute dissolves in a solvent.
  9. A property that depends only on the state of the system, not the path taken.
  10. A diagram showing the progress of a reaction.
  11. The heat required to convert a solid into a liquid.
  12. A unit of heat energy, equivalent to 4.184 joules.
  13. The heat required to convert a liquid into a gas.
  14. A process that absorbs heat.
  15. The total heat content of a system.
  16. The part of the universe being studied in a thermodynamic process.
  17. The phase change from gas to solid without passing through the liquid phase.
  18. Energy cannot be created or destroyed, only transformed.
  19. A diagram representing the application of Hess's law to calculate enthalpy changes.
  20. A reaction that absorbs heat.
  21. The measurement of heat changes.
  22. The phase change from gas to liquid.
  23. The heat change during a chemical reaction.

50 Clues: The SI unit of energy. • A process that absorbs heat. • A process that releases heat. • A reaction that absorbs heat. • A reaction that releases heat. • The measurement of heat changes. • The total heat content of a system. • The phase change from liquid to gas. • The phase change from gas to liquid. • The heat change at constant pressure. • ...

Chemistry Final 2024-05-16

Chemistry Final crossword puzzle
Across
  1. Substances that are formed as a result of a chemical reaction
  2. The study of heat changes that occur during chemical and physical changes
  3. The mass of 1 mole of atoms in grams
  4. The percent by mass of each element in a compound
  5. A reaction that releases heat
  6. What realtionship is Boyle's Law
  7. What law uses Pressure, Volume,and Temperature
  8. Liquid that does the dissolving
Down
  1. A number written in front of a reactant or product of a chemical equation
  2. Dye which changes color to tell us if a substance is an acid, base, or neutral
  3. 6.022x10^23
  4. Volume and Temperature increases
  5. The accounting, or math, behind chemistry; used to calculate masses, moles, and percents
  6. pH greater than 7
  7. A heat tranfer when there is no contact
  8. The substance that is being dissolved
  9. Blue litmus paper turns red

17 Clues: 6.022x10^23 • pH greater than 7 • Blue litmus paper turns red • A reaction that releases heat • Liquid that does the dissolving • Volume and Temperature increases • What realtionship is Boyle's Law • The mass of 1 mole of atoms in grams • The substance that is being dissolved • A heat tranfer when there is no contact • What law uses Pressure, Volume,and Temperature • ...

Physical and Chemical Change Vocabulary 2025-09-05

Physical and Chemical Change Vocabulary crossword puzzle
Across
  1. what the matter is made of
  2. one of the byproducts of the reaction between Baking Soda and Vinegar
  3. the amount of matter something has
  4. gas form of water
  5. liquid form of water
Down
  1. a type of chemical property involving fire
  2. a popular chemical change that makes delicious pastries [usually]
  3. definite volume, but loosely packed atoms that take the shape of it's container. state of matter.
  4. the amount of space any three dimensional object has
  5. definite shape and volume, tightly packed atoms. state of matter.
  6. reaction caused by fuel REACTING with an oxidant.
  7. the type of change that does not make a new substance
  8. the type of change that makes a new substance
  9. no fixed shape or volume, expands in all directions rapidly. state of matter.
  10. solid form of water
  11. anything that has mass and takes up space
  12. a byproduct/new substance created by baking soda and vinegar, or an object burning.

17 Clues: gas form of water • solid form of water • liquid form of water • what the matter is made of • the amount of matter something has • anything that has mass and takes up space • a type of chemical property involving fire • the type of change that makes a new substance • reaction caused by fuel REACTING with an oxidant. • the amount of space any three dimensional object has • ...

Chapter 13 Vocabulary Crossword- Nicole Brand 2016-10-09

Chapter 13 Vocabulary Crossword- Nicole Brand crossword puzzle
Across
  1. AB+C-> AC+B
  2. Must be added to break bonds and start a chemical reaction
  3. A+B-> AB
  4. AB+ oxygen-> oxides of A and B
  5. A substance that undergoes a chemical change
Down
  1. AB+CD->AD+CB
  2. The energy stored in molecules that can be released during a reaction
  3. Energy transfers from reactants to surroundings
  4. AB-> A+B
  5. Energy transfers to reactants from surroundings
  6. A substance that is the result of the chemical change

11 Clues: AB-> A+B • A+B-> AB • AB+C-> AC+B • AB+CD->AD+CB • AB+ oxygen-> oxides of A and B • A substance that undergoes a chemical change • Energy transfers from reactants to surroundings • Energy transfers to reactants from surroundings • A substance that is the result of the chemical change • Must be added to break bonds and start a chemical reaction • ...

Science Vocabulary 2024-11-05

Science Vocabulary crossword puzzle
Across
  1. Things that cause chemical reactions
  2. A product of photosynthesis besides oxygen
  3. Transports water throughout the plant
  4. Are why leaves turn green
  5. Contain chlorophyll inside of them
  6. An organism that can make its own food/energy
Down
  1. A chemical reaction with plants involving water, carbon dioxide, and light energy
  2. ___ cells contain chloroplasts
  3. A type of reaction where atoms are rearranged
  4. AN organism that relies on other things that make their own energy
  5. The aftermath of reactants

11 Clues: Are why leaves turn green • The aftermath of reactants • ___ cells contain chloroplasts • Contain chlorophyll inside of them • Things that cause chemical reactions • Transports water throughout the plant • A product of photosynthesis besides oxygen • A type of reaction where atoms are rearranged • An organism that can make its own food/energy • ...

Unit 2 Science Voabulary 2018-09-08

Unit 2 Science Voabulary crossword puzzle
Across
  1. A substance that forms as a result of a chemical reaction
  2. Chemical atoms being held together by a strong force of attraction
  3. Two or more atoms bonded together, the smallest unit of a chemical compound that can take part in chemical bonding
  4. A set of chemical symbols showing the elements present in a compound and their relative proportions
  5. A (usually irreversible) change in a substance that rearranges its atomic structure and therefore it’s chemical and physical properties
  6. A substance composed of exactly two elements that cannot be simplified by any further means
  7. The transition of an element from a solid to a gas, without transitioning to a liquid first
  8. A chemical bond formed between two ions with opposite charges. A chemical bond formed between two ions with opposite charges. Atoms may share
  9. A substance that takes part in and undergoes change during a reaction.
  10. point The temperature at which the solid form of an element becomes a liquid.
  11. A covalent bond in which two atoms share a pair of electrons
Down
  1. bond Covalent bond between two atoms in which electrons are shared unequally
  2. A change in a substance that affects its state of matter, but not its chemical makeup
  3. A number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound
  4. A chemical change that happens when two or more elements combine or rearrange to form a new element
  5. An atom or group of atoms that has a positive or negative charge as a result of the loss or gain of an electron(s)
  6. point The temperature at which the vapor pressure of a liquid element equals the pressure surrounding the liquid
  7. An ion comprised of two or more atoms.
  8. A hot ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons. Due to its properties being very different from regular gasses, it is sometimes referred to as the fourth state of matter
  9. A chemical bond that involves the sharing of electron pairs between atoms

20 Clues: An ion comprised of two or more atoms. • A substance that forms as a result of a chemical reaction • A covalent bond in which two atoms share a pair of electrons • Chemical atoms being held together by a strong force of attraction • A substance that takes part in and undergoes change during a reaction. • ...

Chemical bonds 2021-11-08

Chemical bonds crossword puzzle
Across
  1. an atom with a positive or negative charge due to the gain or loss of an electron
  2. change in the chemical identity of a substance
  3. ____ reaction absorbs energy
  4. the links between atoms in a substance
  5. groups of atoms held together by chemical bonds
Down
  1. the chemical makeup of a substance
  2. transfer electrons
  3. the basic makeup of an element
  4. share electrons
  5. electrons the outermost electrons of an ion
  6. ____ reaction releases energy, often in the form of heat

11 Clues: share electrons • transfer electrons • ____ reaction absorbs energy • the basic makeup of an element • the chemical makeup of a substance • the links between atoms in a substance • electrons the outermost electrons of an ion • change in the chemical identity of a substance • groups of atoms held together by chemical bonds • ...

vocabulary 2023-03-24

vocabulary crossword puzzle
Across
  1. - Starting material in a chemical reaction
  2. - The substances formed from a reaction
  3. A change that results in entirely new substances with different properties and one or more than one new substances are formed
  4. - The amount of matter in an object
  5. - Two or more substances combine to form one new compound
Down
  1. -Mass is neither created nor destroyed in chemical and physical changes
  2. - Element replaces another element that is a part of a compound (products are a new compound and a different element)
  3. - A single compound breaks down to form two or more simpler substances
  4. - Ions from two compounds exchange places
  5. - The symbolic representation of a chemical reaction in the form of symbols and chemical formulas
  6. - A process in which one or more substances change to make one or more new substances

11 Clues: - The amount of matter in an object • - The substances formed from a reaction • - Ions from two compounds exchange places • - Starting material in a chemical reaction • - Two or more substances combine to form one new compound • - A single compound breaks down to form two or more simpler substances • ...

rate of reaction 2012-11-12

rate of reaction crossword puzzle
Across
  1. smallest particle in a chemical element
  2. A higher _________ of a reactant usually increases the reaction rate
  3. It is produced in the liver, and is found in nearly all animal cells,especially in blood.
  4. Many chemical reactions occur in living things.These reactions need biological catalysts called
Down
  1. affects rate of reaction, especially in gases
  2. A substance participating in a chemical reaction
  3. when risen molecules bounce around more
  4. used in industry to control the speed of reactions and to reduce the costs of producing chemicals
  5. an explosion has a ____ reaction rate

9 Clues: an explosion has a ____ reaction rate • when risen molecules bounce around more • smallest particle in a chemical element • affects rate of reaction, especially in gases • A substance participating in a chemical reaction • A higher _________ of a reactant usually increases the reaction rate • ...

Haircolor 2020-12-18

Haircolor crossword puzzle
Across
  1. this solution soften and swells hair and tastes bitter
  2. when lightening hair what do you need to consider
  3. definite chemical and physical properties
  4. middle layer, oxidative color penetrates this layer
  5. this layer of the hair does not get colored
  6. this haircolor is temporary, no chemicalmixing or reaction occurs
  7. visible line or band
  8. provides the color to natural hair
  9. they retain their chemical and physical properties to form matter
  10. what occupies space
  11. this reaction assists in the development of color on the hair
  12. has a positive charge
  13. this solution contracts and hardens the hair and tastes sour
  14. first time haircolor
  15. this connects to from a compound of stability
Down
  1. known as uncolored dye precursors
  2. what test is given to check for allergic reaction to a product
  3. technical term for grey hair
  4. simplest form, can not be broken down any more
  5. hair color that has metals in it
  6. has neutral charge
  7. used in place of ammonia because they create less odor
  8. has negative charge
  9. color that deposits

24 Clues: has neutral charge • has negative charge • what occupies space • color that deposits • visible line or band • first time haircolor • has a positive charge • technical term for grey hair • hair color that has metals in it • known as uncolored dye precursors • provides the color to natural hair • definite chemical and physical properties • this layer of the hair does not get colored • ...

Chemistry Classifying Matter Name ___________ 2017-09-21

Chemistry Classifying Matter Name ___________ crossword puzzle
Across
  1. It takes a chemical ___ to change a compound
  2. Helpful way to visualize atoms and compounds
  3. Solid, liquid and gas are ___ states
  4. A pure substance with 2 or more bonded elements
  5. Solids that form as a result of a reaction fall to the bottom
  6. Pure substances made of only one unique type of atom
  7. A process of boiling and condensing liquids to purify them
  8. A high energy state of matter that gives off light
  9. Any substance that is not a pure substance
  10. A mixture that will form layers as particles settle
  11. Mixtures that have visible components such as trail mix
  12. If a substance is dissolved in water it creates a ___
Down
  1. Color changes, odor changes and bubbles are ___ of a reaction
  2. Law of Definite ___
  3. The change from a liquid into a gas
  4. A chemical connection between atoms
  5. Particles are so small in chemistry they are called ___
  6. A device to spin mixtures and create layers by density
  7. A homogeneous mixture of metals
  8. The most basic particle of matter
  9. Elements or compounds are ___ substances
  10. Mixture that exhibits the Tyndall effect

22 Clues: Law of Definite ___ • A homogeneous mixture of metals • The most basic particle of matter • The change from a liquid into a gas • A chemical connection between atoms • Solid, liquid and gas are ___ states • Elements or compounds are ___ substances • Mixture that exhibits the Tyndall effect • Any substance that is not a pure substance • ...

Chemistry Crossword 2018-06-08

Chemistry Crossword crossword puzzle
Across
  1. chemical reaction that releases heat energy
  2. mixture in which the different substances are visible
  3. when a new substance is formed and non-reversible
  4. can be in between metals and non-metals
  5. the number of protons in the nucleus of an atom
  6. mixture of two or more pure substances that look like one substance
  7. can eat away or corrode
  8. contaminated material that is a threat to humans and health
  9. substances in a reaction
  10. chemical reaction that absorbs heat energy
Down
  1. pure substance that cannot broken down any further
  2. workplace hazardous materials information system
  3. change in appearance or state
  4. ability to conduct electricity or heat
  5. the mass of all protons and neutrons in an atom
  6. when a solid changes to a gas
  7. when non-metal combine
  8. the mixture of magic and chemistry
  9. when a gas changes to a solid
  10. shiniest of a substances,
  11. electrically charged atoms
  12. made up of one type of matter
  13. the center of an atom
  14. the horizontal rows on the periodic table
  15. a compound of a metal and non-metal

25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • change in appearance or state • when a solid changes to a gas • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...

The Chemical Level Of Organization 2023-08-27

The Chemical Level Of Organization crossword puzzle
Across
  1. Solution containing a weak acid or a weak base
  2. number Sum of protons and neutrons in the nucleus of an atom
  3. Two or more atoms covalently bonded together
  4. Compound that accepts hydrogen ions
  5. Homogenous liquid mixture in which solute is dissolved into molecules within a solvent
  6. Nucleotide essential in energy transfer
  7. Found in nucleus, has no electrical charge
  8. One or more substances that enter into the reaction
  9. Particle with a positive charge
  10. Increases the rate of a chemical reaction
  11. Particle with a negative charge orbiting the nucleus
  12. Atom with a positive charge
Down
  1. Ribose-containing nucleotide that helped manifest the genetic code as protein
  2. Liquid mixture in which particles distributed in the liquid settle out over time
  3. Atom with an overall positive or negative charge
  4. Occupies space and has mass
  5. Deoxyribose-containing nucleotide that stores genetic information
  6. Reactant in an enzymatic reaction
  7. Atom with a negative charge
  8. Has no electrical charge
  9. bond Attraction between a cation and an anion
  10. Compound that releases hydrogen ions in solution
  11. Substance that cannot be created or broken down by ordinary chemical means

23 Clues: Has no electrical charge • Occupies space and has mass • Atom with a negative charge • Atom with a positive charge • Particle with a positive charge • Reactant in an enzymatic reaction • Compound that accepts hydrogen ions • Nucleotide essential in energy transfer • Increases the rate of a chemical reaction • Found in nucleus, has no electrical charge • ...

chemisrty 2024-01-25

chemisrty crossword puzzle
Across
  1. what you use when doing an experiment
  2. CO2
  3. has a positive charge
  4. what goes down on the periodic table
  5. helps speed up a chemical reaction
  6. negatively charged ion
  7. has no charge
  8. positively charged ion
  9. Mg
  10. something that is composed of two or more separate elements
  11. what two things are put together to form a compound
  12. what's in group 18
  13. rendering something ineffective or balancing it out
  14. S
  15. first element on the periodic table
  16. the amount of space something takes up
Down
  1. involves two nonmetals
  2. a product splitting apart
  3. has a negative charge
  4. contains lots of hydrogen and carbon
  5. a compound that is highly known, probably the most popular (literal name)
  6. something that cannot be destroyed
  7. involves a metal and a nonmetal
  8. a reaction that starts a fire
  9. the overall weight of something
  10. what happens when you put two things together
  11. a compound switching out one or both of the elements for another one
  12. the act of two elements combining
  13. an element that we need to live
  14. protects hands from chemicals

30 Clues: S • Mg • CO2 • has no charge • what's in group 18 • has a positive charge • has a negative charge • involves two nonmetals • negatively charged ion • positively charged ion • a product splitting apart • a reaction that starts a fire • protects hands from chemicals • involves a metal and a nonmetal • the overall weight of something • an element that we need to live • ...

MM6 Chemistry Follow-up C 2021-06-04

MM6 Chemistry Follow-up C crossword puzzle
Across
  1. lowers activation energy and goes above the arrow on an equation
  2. changes color with pH
  3. energy is taken in when the products are formed
  4. used to make a chemical formula account for electron structures
  5. will substitute for calcium
  6. units of moles/L
  7. reaction type 2 Na + Cl2 --> 2 NaCl
  8. products are at a lower energy than the reactants
  9. another name for single replacement
  10. reaction type 2 H2O --> 2 H2 + O2
Down
  1. will substitute for chlorine
  2. HNO2 and HBr
  3. NaClO
  4. reaction rate is controlled by making these more frequent and effective
  5. measure of concentration
  6. the energy needed to start a reaction
  7. RbOH and Mg(OH)2
  8. used to make an equation obey the Law of Conservation of Mass
  9. units of grams per mole
  10. cobalt (I) hydroxide

20 Clues: NaClO • HNO2 and HBr • units of moles/L • RbOH and Mg(OH)2 • cobalt (I) hydroxide • changes color with pH • units of grams per mole • measure of concentration • will substitute for calcium • will substitute for chlorine • reaction type 2 H2O --> 2 H2 + O2 • reaction type 2 Na + Cl2 --> 2 NaCl • another name for single replacement • the energy needed to start a reaction • ...

Emma Vance's Scientific Cross of the Words-10/4/17 2017-10-04

Emma Vance's Scientific Cross of the Words-10/4/17 crossword puzzle
Across
  1. Rapid exothermic oxidation-reduction between a material and molecular oxygen.
  2. One half of an oxidation–reduction reaction, represented by an equation showing electrons as either reactants or products.
  3. Process by which a reactant loses one or more electrons.
  4. solution in which the hydronium ion concentration is higher than the hydroxide ion concentration.
  5. New materials formed in a chemical reaction.
Down
  1. Description of a chemical reaction in which there is a chance of absorption of energy.
  2. chemical reaction in which there is a net release of energy.
  3. deterioration of a metal, typically caused by atmospheric oxygen.
  4. a ionic compound commonly formed from the reaction between an acid and a base.
  5. Description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline.

10 Clues: New materials formed in a chemical reaction. • Process by which a reactant loses one or more electrons. • chemical reaction in which there is a net release of energy. • deterioration of a metal, typically caused by atmospheric oxygen. • Rapid exothermic oxidation-reduction between a material and molecular oxygen. • ...

Stoichiometry Crossword 2022-11-29

Stoichiometry Crossword crossword puzzle
Across
  1. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.
  2. A pure substance is a single kind of matter that cannot be separated into other kinds of matter by any physical means
  3. One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant.
  4. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  5. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
  6. Percent composition tells you by mass what percent of each element is present in a compound.
  7. A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total
Down
  1. refers to the relationship between the quantities of reactants and products before, during, and following chemical reactions
  2. Molecular formulas give the kind and number of atoms of each element present in the molecular compound.
  3. a compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element.
  4. with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by convention
  5. the basic unit of a chemical element.
  6. an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another
  7. in chemistry is the empirical formula of any ionic or covalent network solid compound used as an independent entity for stoichiometric calculations.
  8. The mole, symbol mole, is the unit of amount of substance in the International System of Units.
  9. In chemistry,... of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance which is the?

16 Clues: the basic unit of a chemical element. • Percent composition tells you by mass what percent of each element is present in a compound. • The mole, symbol mole, is the unit of amount of substance in the International System of Units. • Molecular formulas give the kind and number of atoms of each element present in the molecular compound. • ...

Chemical Reaction Vocabulary Words 2024-10-16

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

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

Vocabulary Station Crossword [Science-301] 2023-10-16

Vocabulary Station Crossword [Science-301] crossword puzzle
Across
  1. a change that happens/occurs when one or more substances change into a new substance all the way through, including the change of properties in the new substance
  2. an equation that is used to represent a chemical reaction through symbols of elements to indicate the amount of substance in each product and reactant
  3. a change of matter from one form to another that does not change any chemical properties, meaning that it is not a chemical change; the opposite of a chemical change
Down
  1. A reaction that occurs when two or more substances combine together in different ways that may create a new substance, in which the new substance will have new properties
  2. a law in science that states that the mass of an object,or a collection of an object(s) new changes,no matter how the parts are changed/rearranged
  3. a molecule or substance that is created in a chemical reaction; the result or final output
  4. a solid that is created by a change in solution, more commonly caused by chemical reactions
  5. a substance or molecule that is a participant in a chemical reaction; the ingredients chosen for the experiment [chemical reaction experiment]

8 Clues: a molecule or substance that is created in a chemical reaction; the result or final output • a solid that is created by a change in solution, more commonly caused by chemical reactions • a substance or molecule that is a participant in a chemical reaction; the ingredients chosen for the experiment [chemical reaction experiment] • ...

Science Revision 2020-06-15

Science Revision crossword puzzle
Across
  1. green pigment which makes photosynthesis
  2. a synonym for circulatory system
  3. cellular respiration w/ out air
  4. cellular respiration w/ air
  5. the "thing" undergoing the chemical reaction
  6. air sacs in which the human gas exchange happens
Down
  1. mass mass of a molecule
  2. concept in chemistry to count small things
  3. process in which cells make energy
  4. how plants make their food (glucose)
  5. enzyme that catalyses the hydrolysis of starch into sugars
  6. through where does the air travel to lungs?
  7. speed up chemical reactions
  8. what is an enzyme?
  9. the place on an enzyme where the reaction takes place

15 Clues: what is an enzyme? • mass mass of a molecule • speed up chemical reactions • cellular respiration w/ air • cellular respiration w/ out air • a synonym for circulatory system • process in which cells make energy • how plants make their food (glucose) • green pigment which makes photosynthesis • concept in chemistry to count small things • ...

Chemistry Crossword 2013-10-06

Chemistry Crossword crossword puzzle
Across
  1. The one in the greater quantity
  2. A law stating that at constant temperature the volume of gas is inversely proportional to the pressure.
  3. Reactions in which transfer of electrons takes place.
  4. refers to the Number of mole of solute per liter.
  5. Reaction that do not involve any change in valence or oxidation state
  6. A homogenous mixture of two or more substances where
  7. This is the process of separating liquid mixtures.
  8. This is the process of separating colors.
  9. Having the characteristics of an acid and a base.
  10. It is the strength of the solution.
  11. it is the smallest exact value
  12. A device used for temperature measurements.
  13. Refers to the #- g. equivalent weight per liter.
  14. A chemical reaction that absorbs heat.
  15. it is the smallest estimated value
Down
  1. Process in which a solid becomes a gas.
  2. Reaction in which single substance break down into two or more substance.
  3. A Change that alters the composition of a substance.
  4. A type of flame that has an incomplete combustion.
  5. determined by the number of electrons the atom will lose, gain, or share
  6. Refers to the weight in grams of a substance or solution which supply one reacting unit
  7. Indicator that detects Acid, Base or Neutral
  8. Also called synthesis. The reaction in which two or more substance combine
  9. A law stating that matter can neither be created nor destroyed but can be converted from one form to another.
  10. A physical property of solution that depends quantitatively upon the number of particles of solute present in a solution
  11. These are liquids which can’t be separated, they co-distill one another.
  12. Refers to the number of moles of solute per kg. of solution
  13. A chemical reaction that release heat at the time of their occurrence
  14. A flask that is very accurate for volume measurement..
  15. The other in less quantity

30 Clues: The other in less quantity • it is the smallest exact value • The one in the greater quantity • it is the smallest estimated value • It is the strength of the solution. • A chemical reaction that absorbs heat. • Process in which a solid becomes a gas. • This is the process of separating colors. • A device used for temperature measurements. • ...

The Chemistry of Life 2020-12-03

The Chemistry of Life crossword puzzle
Across
  1. element that forms the basis of organic compounds
  2. solution with a pH less than 7
  3. heat ____; protects aquatic organisms from drastic temperature changes
  4. elements or compounds produced in a reaction
  5. single sugar molecule/monomer
  6. mixture; components evenly distributed
  7. chemical combination of 2 or more elements
  8. individual unit of a polymer
  9. play many roles; have primary, secondary, tertiary structure
  10. substance that speeds up rate of a reaction
  11. protein that acts as biological catalyst
  12. attraction between molecules of same substance
  13. van der ______; forces holding molecules together
  14. negatively charged particle
  15. main source of energy for living things
  16. contain glycerol and fatty acid chains
  17. attraction between molecules of different substances
  18. positively or negatively charged atom
  19. may affect activity of enzymes
  20. a substance in a solution that is dissolved
  21. at the center of the atom
  22. type of bond between two water molecules
Down
  1. atoms of same element, different # of neutrons
  2. type of reaction that changes one set of chemicals into another
  3. ___ energy; energy needed to start reaction
  4. ___ acid; monomer of proteins
  5. type of bond in which electrons are shared
  6. composed of more than one monomer
  7. a lipid with no double bonds in its fatty acid chains
  8. the substance in which a solute dissolves
  9. type of carbohydrate that includes starch and cellulose
  10. 2 or more atoms in covalent compound
  11. elements or compounds that enter a reaction
  12. reactants of enzyme-catalyzed reactions
  13. always absorbed or released in chemical reactions
  14. weak acid or base that prevents changes in pH
  15. molecule with uneven distribution of charges
  16. monomers that make up nucleic acids
  17. basic unit of matter
  18. ___ site; where substrates go on an enzyme
  19. solution with a pH greater than 7
  20. scale that indicates concentration of H+ ions
  21. type of bond in which electrons are transferred
  22. mixture of water and nondissolved material
  23. consists of one type of atom

45 Clues: basic unit of matter • at the center of the atom • negatively charged particle • individual unit of a polymer • consists of one type of atom • ___ acid; monomer of proteins • single sugar molecule/monomer • solution with a pH less than 7 • may affect activity of enzymes • composed of more than one monomer • solution with a pH greater than 7 • monomers that make up nucleic acids • ...

Science 2023-04-04

Science crossword puzzle
Across
  1. the big number in front of reactants or products
  2. of conservation of mass Matter cannot be created nor destroyed
  3. Single replacment
  4. The right side of a Chemical Equation
  5. 2 or more elements
  6. ----->
  7. A+B=AB
  8. the small number that goes after elements
  9. When a chemical equation is NOT equal on both sides
Down
  1. Double replacment
  2. The left side of a Chemical Equation
  3. AB=A+B
  4. When a chemical equation is equal on both sides
  5. Water
  6. Reaction that always ends with H2O and CO2
  7. Carbon Dioxide
  8. a pure substance
  9. What type of energy does combustion typically need

18 Clues: Water • AB=A+B • -----> • A+B=AB • Carbon Dioxide • a pure substance • Double replacment • Single replacment • 2 or more elements • The left side of a Chemical Equation • The right side of a Chemical Equation • the small number that goes after elements • Reaction that always ends with H2O and CO2 • When a chemical equation is equal on both sides • ...

Chemistry keywords 2013-04-30

Chemistry keywords crossword puzzle
Across
  1. Substances that cannot be chemically broken down into simpler substances.
  2. the smallest particle that can exist.
  3. This causes global warming.
  4. Two different elements chemically joined.
  5. 78% of the air is made from ……..
  6. A group of atoms chemically bound together.
  7. An atom with electric charge.
  8. opposite to endothermic
  9. A reaction between iron, water and oxygen.
Down
  1. A way of preventing rust by coating steel or Iron in zinc.
  2. this has three things in it without one there is no reaction.
  3. One substance meets another substance without a chemical reaction.
  4. This is a greenhouse gas
  5. A reaction that takes in energy and makes surroundings cooler.
  6. We need this to live.
  7. A rapid reaction that gives out energy.

16 Clues: We need this to live. • opposite to endothermic • This is a greenhouse gas • This causes global warming. • An atom with electric charge. • 78% of the air is made from …….. • the smallest particle that can exist. • A rapid reaction that gives out energy. • Two different elements chemically joined. • A reaction between iron, water and oxygen. • ...

Chemistry Terms 2025-04-24

Chemistry Terms crossword puzzle
Across
  1. Opposites don't attract
  2. Gets you pumped up
  3. Chemical Science
  4. The smallest thing
  5. Change Change of structure
  6. How much matter
  7. Process of change
  8. The result
  9. Warmness
  10. What the thermometer says
Down
  1. How much space something takes up
  2. Property Rate your reactibility 1-10
  3. Purebred Atoms
  4. The lighter to the firework
  5. A thing of things
  6. Bonded Atoms
  7. Atom Glue
  8. Stuff, takes up space

18 Clues: Warmness • Atom Glue • The result • Bonded Atoms • Purebred Atoms • How much matter • Chemical Science • A thing of things • Process of change • Gets you pumped up • The smallest thing • Stuff, takes up space • Opposites don't attract • What the thermometer says • Change Change of structure • The lighter to the firework • How much space something takes up • Property Rate your reactibility 1-10

Chemistry Crossword 2013-10-06

Chemistry Crossword crossword puzzle
Across
  1. A law stating that at constant temperature the volume of gas is inversely proportional to the pressure.
  2. Refers to the weight in grams of a substance or solution which supply one reacting unit
  3. Reactions in which transfer of electrons takes place.
  4. A homogenous mixture of two or more substances where
  5. The one in the greater quantity
  6. Also called synthesis. The reaction in which two or more substance combine
  7. Reaction in which single substance break down into two or more substance.
  8. A chemical reaction that absorbs heat.
  9. determined by the number of electrons the atom will lose, gain, or share
  10. A device used for temperature measurements.
  11. Indicator that detects Acid, Base or Neutral
  12. it is the smallest exact value
  13. A flask that is very accurate for volume measurement..
  14. Having the characteristics of an acid and a base.
Down
  1. Refers to the #- g. equivalent weight per liter.
  2. The other in less quantity
  3. These are liquids which can’t be separated, they co-distill one another.
  4. This is the process of separating liquid mixtures.
  5. It is the strength of the solution.
  6. This is the process of separating colors.
  7. A law stating that matter can neither be created nor destroyed but can be converted from one form to another.
  8. Refers to the number of moles of solute per kg. of solution
  9. Reaction that do not involve any change in valence or oxidation state
  10. Process in which a solid becomes a gas.
  11. A Change that alters the composition of a substance.
  12. A physical property of solution that depends quantitatively upon the number of particles of solute present in a solution
  13. A chemical reaction that release heat at the time of their occurrence
  14. A type of flame that has an incomplete combustion.
  15. it is the smallest estimated value
  16. refers to the Number of mole of solute per liter.

30 Clues: The other in less quantity • it is the smallest exact value • The one in the greater quantity • it is the smallest estimated value • It is the strength of the solution. • A chemical reaction that absorbs heat. • Process in which a solid becomes a gas. • This is the process of separating colors. • A device used for temperature measurements. • ...

chapter 7 vocab 2024-01-03

chapter 7 vocab crossword puzzle
Across
  1. energy stored in bonds of atoms and molecules
  2. chemical reaction that absorbs heat from its environment
  3. 1 element is replaced by another in a compound
  4. decomposition reaction is: AB→A+B
  5. species formed from chemical reactions.
  6. Fuel + O2 → CO2 + H2O
  7. the equation for chemicals in chemistry
  8. represented by equation:A+B → AB
Down
  1. transfer of electrons from one species to another
  2. 2 ionic compounds that exchange anions or cations
  3. rhymes with vole
  4. factor that measures some property.
  5. Reactants → Products + Energy
  6. mass of one mole of any substance
  7. substance that takes part in and undergoes change

15 Clues: rhymes with vole • Fuel + O2 → CO2 + H2O • Reactants → Products + Energy • represented by equation:A+B → AB • decomposition reaction is: AB→A+B • mass of one mole of any substance • factor that measures some property. • species formed from chemical reactions. • the equation for chemicals in chemistry • energy stored in bonds of atoms and molecules • ...

Chem 101 Crossword 2025-05-30

Chem 101 Crossword crossword puzzle
Across
  1. — Substance dissolved in a solvent.
  2. — Substance that accepts protons or donates OH⁻.
  3. — Atom or molecule with a net charge.
  4. — Solid that forms from a solution.
  5. — Molecule with unequal charge distribution.
  6. — Study of reaction rates and mechanisms.
  7. — Bond formed by shared electrons.
  8. — Group of atoms bonded together.
  9. — Process where substances change into new ones.
  10. — Balanced state in a reversible reaction.
  11. — Gain of electrons in a reaction.
  12. — Study of heat and energy changes.
  13. — Positively charged subatomic particle.
  14. — Moles of solute per liter of solution.
  15. — Smallest unit of an element.
  16. — Molecule with even charge distribution.
Down
  1. — Speeds up a reaction without being consumed.
  2. — Study of interaction of light and matter.
  3. — Pure substance of one type of atom.
  4. — Amount of solute in a solution.
  5. — Bond formed by transfer of electrons.
  6. — Bonding where electrons are delocalized among atoms.
  7. — Negatively charged subatomic particle.
  8. — Substance that donates protons (H⁺ ions).
  9. — Substance that dissolves another.
  10. — Calculations based on chemical reaction ratios.
  11. — Neutral subatomic particle in the nucleus.
  12. — Atoms with same protons, different neutrons.
  13. — Substance of two or more elements chemically bonded.
  14. — Loss of electrons in a reaction.

30 Clues: — Smallest unit of an element. • — Amount of solute in a solution. • — Group of atoms bonded together. • — Bond formed by shared electrons. • — Gain of electrons in a reaction. • — Loss of electrons in a reaction. • — Substance dissolved in a solvent. • — Solid that forms from a solution. • — Substance that dissolves another. • — Study of heat and energy changes. • ...

Chemistry 2023-06-12

Chemistry crossword puzzle
Across
  1. an extremely small amount of a thing or quality
  2. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
  3. a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
  4. an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times
  5. a substance made by mixing other substances together
  6. a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
  7. the strength and vitality required for sustained physical or mental activity
  8. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
  9. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  10. a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions.
  11. its symbol in the periodic table is "Ti"
  12. the level of reactivity of a metal.
  13. a particular kind of matter with uniform properties
  14. the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Down
  1. it contains an adequate amount of all the nutrients required by the body to grow, remain healthy and be disease-free.
  2. a colorless, odorless, highly flammable gas, the chemical element of atomic number 1
  3. its symbol in the periodic table is "k"
  4. is a process in which reactants react chemically and convert into products by chemical transformation
  5. its symbol in the periodic table is "Al"
  6. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  7. a substance that changes when it is combined with another substance in a chemical reaction
  8. a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
  9. is the spatial arrangement of atoms in a molecule
  10. its symbol in the periodic table is "s"
  11. a substance that can accept hydrogen ions in water and can neutralize an acid.
  12. is a dimensionless quantity representing the amount of matter in a particle or object.

26 Clues: the level of reactivity of a metal. • its symbol in the periodic table is "k" • its symbol in the periodic table is "s" • its symbol in the periodic table is "Al" • its symbol in the periodic table is "Ti" • an extremely small amount of a thing or quality • is the spatial arrangement of atoms in a molecule • a particular kind of matter with uniform properties • ...

Chemistry Vocab 2023-10-23

Chemistry Vocab crossword puzzle
Across
  1. A change in a substance that does not involve a change in the identity of the substance
  2. Releases heat into the surroundings causing their temperature to increase.
  3. A chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  4. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  5. absorbs heat from the surroundings causing their temperature to decrease.
Down
  1. Characteristics that can be observed or measured without changing the identity of the substance (Melting or boiling points)
  2. Matter (mass) is not created nor destroyed in any chemical or physical change, but it can be rearranged.
  3. A substance that forms in a chemical reaction
  4. Characteristics of a substance that determine how it will react with other substances.
  5. A chemical substance that is present at the start of a chemical reaction
  6. The process that causes atoms to rearrange to create a whole new substance.

11 Clues: A substance that forms in a chemical reaction • A chemical substance that is present at the start of a chemical reaction • absorbs heat from the surroundings causing their temperature to decrease. • Releases heat into the surroundings causing their temperature to increase. • The process that causes atoms to rearrange to create a whole new substance. • ...

Chemical reactions 2025-03-11

Chemical reactions crossword puzzle
Across
  1. A reaction where one substance breaks down into simpler substances.
  2. EQUATION A way to show a reaction using symbols.
  3. What you start with in a reaction.
  4. REPLACEMENT A reaction where one element replaces another in a compound.
  5. REACTION A reaction involving a metal and another substance, often forming a compound.
  6. REPLACEMENT A reaction where two compounds exchange elements.
  7. A reaction where two or more substances combine to form one product.
Down
  1. What you end up with after a reaction.
  2. A reaction where a substance gains oxygen or loses electrons.
  3. A reaction where an acid and a base produce salt and water.
  4. The tiny building block of matter.
  5. A reaction where a substance burns in oxygen, producing heat and light.
  6. REACTION A reaction involving a halogen element replacing another element in a compound.

13 Clues: What you start with in a reaction. • The tiny building block of matter. • What you end up with after a reaction. • EQUATION A way to show a reaction using symbols. • A reaction where an acid and a base produce salt and water. • A reaction where a substance gains oxygen or loses electrons. • REPLACEMENT A reaction where two compounds exchange elements. • ...

Asia Gensch - chapter 13 2016-10-12

Asia Gensch - chapter 13 crossword puzzle
Across
  1. if you change anything in the reaction, the equilibrium will change
  2. heat transfers from surroundings to reactants
  3. must be added to break bonds
  4. AB+oxygen-->oxides of A and B
  5. A+B-->AB
  6. the pH is higher than 7
  7. heat transfers from reactants to surroundings
Down
  1. AB+CD-->AD+CB
  2. a substance that is the result of the chemical change
  3. AB+C-->AC+B
  4. a substance that undergoes a chemical change
  5. when reaction and its reverse act at the same rate
  6. AB-->A+B
  7. forming bonds releases _____
  8. the pH is below 7

15 Clues: AB-->A+B • A+B-->AB • AB+C-->AC+B • AB+CD-->AD+CB • the pH is below 7 • the pH is higher than 7 • forming bonds releases _____ • must be added to break bonds • AB+oxygen-->oxides of A and B • a substance that undergoes a chemical change • heat transfers from surroundings to reactants • heat transfers from reactants to surroundings • when reaction and its reverse act at the same rate • ...

Photosynthesis 2023-12-18

Photosynthesis crossword puzzle
Across
  1. Where the light-dependent reaction occurs
  2. The light-independent reaction is also called the ___ Cycle
  3. These are stacks of thylakoids found inside chloroplasts
  4. Cellular energy molecule with 3 phosphate groups
  5. Cellular process in which solar energy is captured and converted into stored chemical energy
  6. The reactant of the light-dependent reaction
  7. The color that chlorophyll cannot absorb
  8. The product of the light-independent reaction
  9. Membrane-bound sac or disk of chlorophyll
  10. Organism that must consume other organisms for food
Down
  1. A secondary pigment in plant leaves that we only see in Autumn/Fall
  2. Energy used to start the light-dependent reaction
  3. Organism that makes its own food
  4. The reactant of the light-independent reaction
  5. The ___ mesophyll is the layer of cells in a plant leaf where chloroplasts are found
  6. Compound that can accept a pair of high energy electrons and transfer them, along with most of their energy, to another molecule
  7. A light absorbing compound
  8. Type of electrons that are highly reactive and available to do work
  9. The fluid inside of chloroplasts - where the light-independent reaction occurs
  10. The primary pigment found in chloroplasts

20 Clues: A light absorbing compound • Organism that makes its own food • The color that chlorophyll cannot absorb • Where the light-dependent reaction occurs • The primary pigment found in chloroplasts • Membrane-bound sac or disk of chlorophyll • The reactant of the light-dependent reaction • The product of the light-independent reaction • ...

Nuclear Reactions, Rate of Reactions & Endo/Exothermic Reactions 2023-04-26

Nuclear Reactions, Rate of Reactions & Endo/Exothermic Reactions crossword puzzle
Across
  1. More Particles in the Same Space = More Collisions & Greater Chance of a Reaction
  2. Increasing Contact Points = More Collisions & Greater Chance of a Reaction
  3. Decreasing the space for the same number of particles = More Collisions & Greater Chance of a Reaction
  4. Reactants have More Energy than the Product, Temperature Increases, Thermal Energy is Released
  5. The time that it takes half the nuclei in a sample to decay
  6. Smaller nuclei join together to form larger nuclei and energy is released
  7. Each time a nucleus splits, it releases more neutrons, which can go on and cause more reactions to occur and will continue to happen.
  8. How can Radioactivity be detected
  9. An example of an Endothermic Reaction
  10. Lowers the Activation Energy
  11. Means Out
Down
  1. Any reaction involving a solid takes place where
  2. The splitting of a nucleus into smaller nuclei and the release of energy
  3. Nuclear Reactions Release ______ Energy Than Chemical Reactions
  4. Two smaller nuclei created when a nucleus splits
  5. Reactants have Less Energy than the Products, Temperature Decreases, Thermal Energy is Absorbed
  6. Increasing Energy = Particles move Faster = More Collisions & Greater Chance of a Reaction
  7. Related to Heat
  8. Process Happens in the Sun’s Core
  9. Occurs when a stable isotope is struck by a neutron
  10. An example of an Exothermic Reaction
  11. Means In
  12. How can the surface area of a solid be increased

23 Clues: Means In • Means Out • Related to Heat • Lowers the Activation Energy • Process Happens in the Sun’s Core • How can Radioactivity be detected • An example of an Exothermic Reaction • An example of an Endothermic Reaction • Any reaction involving a solid takes place where • Two smaller nuclei created when a nucleus splits • How can the surface area of a solid be increased • ...

Unit 2 Science Voabulary 2018-09-08

Unit 2 Science Voabulary crossword puzzle
Across
  1. An atom or group of atoms that has a positive or negative charge as a result of the loss or gain of an electron(s)
  2. A chemical bond that involves the sharing of electron pairs between atoms
  3. A change in a substance that affects its state of matter, but not its chemical makeup
  4. A chemical change that happens when two or more elements combine or rearrange to form a new element
  5. A hot ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons. Due to its properties being very different from regular gasses, it is sometimes referred to as the fourth state of matter
  6. A covalent bond in which two atoms share a pair of electrons
  7. A number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound
  8. The transition of an element from a solid to a gas, without transitioning to a liquid first
  9. point The temperature at which the vapor pressure of a liquid element equals the pressure surrounding the liquid
Down
  1. A substance that forms as a result of a chemical reaction
  2. point The temperature at which the solid form of an element becomes a liquid.
  3. A chemical bond formed between two ions with opposite charges. A chemical bond formed between two ions with opposite charges. Atoms may share
  4. A substance that takes part in and undergoes change during a reaction.
  5. A (usually irreversible) change in a substance that rearranges its atomic structure and therefore it’s chemical and physical properties
  6. bond Covalent bond between two atoms in which electrons are shared unequally
  7. Two or more atoms bonded together, the smallest unit of a chemical compound that can take part in chemical bonding
  8. A substance composed of exactly two elements that cannot be simplified by any further means
  9. A set of chemical symbols showing the elements present in a compound and their relative proportions
  10. An ion comprised of two or more atoms.
  11. Chemical atoms being held together by a strong force of attraction

20 Clues: An ion comprised of two or more atoms. • A substance that forms as a result of a chemical reaction • A covalent bond in which two atoms share a pair of electrons • Chemical atoms being held together by a strong force of attraction • A substance that takes part in and undergoes change during a reaction. • ...

Thermochemistry 2020-03-16

Thermochemistry crossword puzzle
Across
  1. This is the term used when a liquid goes to a solid.
  2. The energy found in chemical composition
  3. The type of process that energy is absorbed in a reaction.
  4. This type of element has a small specific heat capacity
  5. A measure of the average kinetic energy of particles
  6. This is the point where the liquid and gas cannot be distinguished.
  7. The amount of energy needed to start a reaction.
  8. The study of energy changes that occur during chemical and physical changes.
  9. The point that every reaction needs to get past in order for the reaction to occur.
  10. The total amount of energy transferred from areas of high temperature to areas of low temperature
  11. If the enthalpy is positive, then heat is on the ________ side.
  12. The capacity to do work or transfer heat
  13. During a phase change, temperature stays ______
Down
  1. The disorder of a system
  2. This heat of ____ is used when going to or from a solid to liquid
  3. This is the term used when a gas turns into a solid.
  4. The energy due to motion
  5. The precise measurement of heat flow out of a system for chemical and physical processes.
  6. This is the term used when a gas turns into a liquid.
  7. The amount of energy needed to raise the temperature of 1 g of a substance by 1C
  8. This heat of ____ is used when going to from a liquid to gas
  9. This is the term used when a solid turns into a gas.
  10. This is where all three phases present at the same time.
  11. This is the term used when a liquid turns into a gas.
  12. If the enthalpy is negative, then heat is on the ________ side.
  13. The heat content of a system
  14. The type of process that energy is released in a reaction
  15. This is the term used when a solid goes to a liquid.

28 Clues: The disorder of a system • The energy due to motion • The heat content of a system • The energy found in chemical composition • The capacity to do work or transfer heat • During a phase change, temperature stays ______ • The amount of energy needed to start a reaction. • This is the term used when a gas turns into a solid. • ...

Macromolecules & Enzymes 2023-10-16

Macromolecules & Enzymes crossword puzzle
Across
  1. Ending materials in a chemical reaction. and on the right side of the arrow. This is what is produced.
  2. long-term energy storage; also helps to keep organisms warm
  3. Compounds that contain carbon
  4. specialized protein that catalyzes reactions; their names usually end in - ase
  5. A starting material in a chemical reaction. It goes into a reaction.
  6. Simple sugar; monomer of a carbohydrate
  7. A storage polysaccharide in plants consisting entirely of glucose.
  8. ribonucleic acid
  9. Energy needed to get a reaction started
  10. store and transmit hereditary/genetic information
  11. main source of short term energy
  12. An extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch.
  13. Region of an enzyme into which a particular substrate fits.
  14. monomers of lipids (fats)
  15. A change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).
Down
  1. The temperature at which the rate of enzymatic activity will be at its peak.
  2. A temporary complex formed when an enzyme binds to its substrate molecule(s).
  3. - *the molecule upon which an enzyme acts, and joins the enzyme at the active site. Also called a reactant
  4. builds and maintains cells
  5. the process by which one or more substances change to produce one or more different substances
  6. large compound formed from combinations of many monomers
  7. monomer of nucleic acids
  8. model Enzymes are specific. The only work on the substrate that they "fit." Just like a lock has a specific key to open it.
  9. A complex molecule containing the genetic information that makes up the chromosomes.
  10. monomer of protein
  11. the building block of a macromolecule/polymer
  12. Breaking down of molecules. Happens primarily in the stomach in animals.
  13. a substance that causes or speeds up a chemical reaction

28 Clues: ribonucleic acid • monomer of protein • monomer of nucleic acids • monomers of lipids (fats) • builds and maintains cells • Compounds that contain carbon • main source of short term energy • Simple sugar; monomer of a carbohydrate • Energy needed to get a reaction started • the building block of a macromolecule/polymer • store and transmit hereditary/genetic information • ...

Sarai Gutierrez Chapter 13 Crossword 2019-02-25

Sarai Gutierrez Chapter 13 Crossword crossword puzzle
Across
  1. One half of an oxidation–reduction reaction, represented by an equation showing electrons as either reactants or products.
  2. A reaction between an acid and a base.
  3. The deterioration of a metal, typically caused by atmospheric oxygen.
  4. Description of a chemical reaction in which there is a net absorption of energy.
  5. A substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster rate.
Down
  1. Description of a substance that can behave as either an acid or a base.
  2. The minimum energy required in order for a chemical reaction to proceed.
  3. The process by which a reactant loses one or more electrons.
  4. A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule.
  5. The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the two atoms are brought together into a bond.

10 Clues: A reaction between an acid and a base. • The process by which a reactant loses one or more electrons. • The deterioration of a metal, typically caused by atmospheric oxygen. • Description of a substance that can behave as either an acid or a base. • The minimum energy required in order for a chemical reaction to proceed. • ...

Cellular Energeticsy 2021-08-24

Cellular Energeticsy crossword puzzle
Across
  1. The potential of a chemical substance to undergo a chemical reaction to transform into other substances
  2. substance occurring in plant or animal tissue and producing a characteristic color
  3. What happens when the body has no more oxygen
  4. A chemical element in the air necessary for human survival
  5. A side effect of fermentation within yeast
  6. An organism that can make its own food
  7. A gas necessary for a plant to produce food
  8. Marked by or promoting metabolic activity concerned with the breakdown of complex molecules
  9. is radiant light and heat from the Sun
  10. Main type of sugar in the blood
Down
  1. Without oxygen
  2. A substance that takes part in and undergoes change during a reaction
  3. lungs shrink to allow gasses to diffuse out
  4. An organism that can not make its own food
  5. With oxygen
  6. Membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions
  7. transfer of oxygen and production of carbon dioxide and water as end products
  8. The basis of fluids in living organisms
  9. Primary carrier of energy in cells
  10. Process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
  11. lungs expand to allow gasses to diffuse in
  12. A side effect of fermentation within mammals

22 Clues: With oxygen • Without oxygen • Main type of sugar in the blood • Primary carrier of energy in cells • An organism that can make its own food • is radiant light and heat from the Sun • The basis of fluids in living organisms • An organism that can not make its own food • A side effect of fermentation within yeast • lungs expand to allow gasses to diffuse in • ...

Chapt. 2 vocabulary 2022-12-12

Chapt. 2 vocabulary crossword puzzle
Across
  1. a biological catalyst and is almost always a protein
  2. a substance made from two or more different elements that have been chemically joined.
  3. type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
  4. the substance on which an enzyme can act.
  5. A structure having an uneven distribution of electron density
  6. A basic part of a whole.
  7. The part of the enzyme where the substrate binds
  8. Atoms with the same number of protons but different numbers of neutrons
  9. the basic building block of nucleic acids
  10. chemical substances which participate in chemical reactions and forms new substances
  11. the building blocks of the fat in our bodies
  12. is an essential sugar alcohol for many living things.
Down
  1. The smallest particle of a substance that has all of the physical and chemical properties of that substance.
  2. something that occurs when chemical bonds between atoms are formed or broken.
  3. the smaller units from which larger molecules are made
  4. interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons
  5. a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process.
  6. A liquid that is able to dissolve a solid.
  7. an atom or group of atoms that has an electric charge.
  8. the sharing of electron pairs between atoms.

20 Clues: A basic part of a whole. • the substance on which an enzyme can act. • the basic building block of nucleic acids • A liquid that is able to dissolve a solid. • the sharing of electron pairs between atoms. • the building blocks of the fat in our bodies • The part of the enzyme where the substrate binds • a biological catalyst and is almost always a protein • ...

chemical reactions 2025-05-01

chemical reactions crossword puzzle
Across
  1. what is conserved in all reactions?
  2. the biggest flame you've ever seen in a demo
  3. where a more reactive metal displaces a less reactive metal
  4. what you react together
  5. sign of a reaction where a gas is formed
Down
  1. reaction between fuel and oxygen
  2. reaction that increases in temperature
  3. product of metal + oxygen
  4. reaction that takes in energy from it's surroundings
  5. reaction where no new substances are made
  6. what colour did the anhydrous copper sulfate turn when water was added?
  7. reaction where a new substance is made
  8. sign in the middle of a word equation

13 Clues: what you react together • product of metal + oxygen • reaction between fuel and oxygen • what is conserved in all reactions? • sign in the middle of a word equation • reaction that increases in temperature • reaction where a new substance is made • sign of a reaction where a gas is formed • reaction where no new substances are made • ...

Chemistry 2017-11-08

Chemistry crossword puzzle
Across
  1. the number of protons in the nucleus of an atom
  2. workplace hazardous materials information system
  3. change in appearance or state
  4. when a gas changes to a solid
  5. the mixture of magic and chemistry
  6. can eat away or corrode
  7. when non-metal combine
  8. mixture of two or more pure substances that look like one substance
  9. the mass of all protons and neutrons in an atom
  10. ability to conduct electricity or heat
  11. made up of one type of matter
  12. chemical reaction that absorbs heat energy
  13. substances in a reaction
Down
  1. contaminated material that is a threat to humans and health
  2. the center of an atom
  3. when a solid changes to a gas
  4. mixture in which the different substances are visible
  5. when a new substance is formed and non-reversible
  6. pure substance that cannot broken down any further
  7. chemical reaction that releases heat energy
  8. a compound of a metal and non-metal
  9. electrically charged atoms
  10. can be in between metals and non-metals
  11. shiniest of a substances,
  12. the horizontal rows on the periodic table

25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • when a solid changes to a gas • change in appearance or state • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...

Chemistry Crossword 2018-06-08

Chemistry Crossword crossword puzzle
Across
  1. can be in between metals and non-metals
  2. made up of one type of matter
  3. workplace hazardous materials information system
  4. when a new substance is formed and non-reversible
  5. the mass of all protons and neutrons in an atom
  6. the center of an atom
  7. when non-metal combine
  8. can eat away or corrode
  9. when a solid changes to a gas
  10. the mixture of magic and chemistry
  11. contaminated material that is a threat to humans and health
  12. electrically charged atoms
Down
  1. chemical reaction that absorbs heat energy
  2. change in appearance or state
  3. mixture in which the different substances are visible
  4. mixture of two or more pure substances that look like one substance
  5. chemical reaction that releases heat energy
  6. pure substance that cannot broken down any further
  7. the number of protons in the nucleus of an atom
  8. ability to conduct electricity or heat
  9. a compound of a metal and non-metal
  10. shiniest of a substances,
  11. substances in a reaction
  12. when a gas changes to a solid
  13. the horizontal rows on the periodic table

25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • change in appearance or state • made up of one type of matter • when a solid changes to a gas • when a gas changes to a solid • the mixture of magic and chemistry • a compound of a metal and non-metal • ...

math 2022-05-17

math crossword puzzle
Across
  1. Negatively charged ion
  2. Vertical column of periodic table
  3. Resulting substances in a chemical reaction
  4. Ability of a substance to be beaten into thin sheets
  5. Logical approach to solving problems
  6. Three-dimensional region around the nucleus
  7. Polyatomic ions that have oxygen
  8. AB → A + B
  9. Positively charged particle
  10. Smallest unit of an element
  11. Mass of a water molecule
  12. Neutral atoms held by covalent bonds
  13. Original substances in a chemical reaction
  14. Compound that has an anion and cation from an acid
  15. Substance that's not entirely used up in a reaction
Down
  1. Number of protons of an element
  2. Positively charged ion
  3. A + B → AB
  4. Process that leads to the formation of ions
  5. Horizontal row of periodic table
  6. Ability of substance to be stretched into wires
  7. Charged group of covalently bonded atoms
  8. Has mass and takes up space
  9. Identification of the structure of materials
  10. Compounds containing two elements
  11. Lowest state of atom
  12. Research made for additional knowledge
  13. Atom(s) that have a positive or negative charge
  14. Study of matter and its changes
  15. Repeating patterns

30 Clues: A + B → AB • AB → A + B • Repeating patterns • Lowest state of atom • Positively charged ion • Negatively charged ion • Mass of a water molecule • Has mass and takes up space • Positively charged particle • Smallest unit of an element • Number of protons of an element • Study of matter and its changes • Horizontal row of periodic table • Polyatomic ions that have oxygen • ...

Garza_TX_Science 2022-05-20

Garza_TX_Science crossword puzzle
Across
  1. tastes excellent with any taco
  2. organelle only found in plant cells
  3. formed when 2 or more atoms join chemically
  4. small column of air violently rotating
  5. smallest part of an element
  6. protects astronauts outside the craft
  7. the most played sport in the world
  8. organelle that stores water
  9. reaction that produces oxygen and sugar
  10. a person trained to be part of a space crew
  11. where digestion begins
  12. goes perfect with tostitos
  13. better than water
  14. large tropical weather system with high winds
  15. organelle that produces power
  16. where objects appear to be weightless
Down
  1. plant organelle where photosynthesis occurs
  2. a pure substance
  3. high quality H2O
  4. a rising body of water that submerges dry land
  5. the main organ of the circulatory system
  6. owned by Elon Musk
  7. contains the DNA of the cell
  8. main organ of the skeletal system
  9. all biotic and abiotic factors in an area
  10. Layer of gas surrounding a planet
  11. a very tasty breakfast
  12. produced from a chemical reaction
  13. takes part in a chemical reaction
  14. my favorite animal

30 Clues: a pure substance • high quality H2O • better than water • owned by Elon Musk • my favorite animal • a very tasty breakfast • where digestion begins • goes perfect with tostitos • smallest part of an element • organelle that stores water • contains the DNA of the cell • organelle that produces power • tastes excellent with any taco • main organ of the skeletal system • ...

Metabolism 2025-10-06

Metabolism crossword puzzle
Across
  1. O2
  2. H2O
  3. a term for an organism that must obtain glucose by eating other things
  4. a heterotroph on the food chain
  5. the organelles where photosynthesis occurs
  6. kingdom MOST associated with photosynthesis
  7. the cellular process of creating glucose from carbon dioxide and water with the help of photons (radiant energy)
  8. the cellular process of taking oxygen and glucose and charging up ATP from it
  9. the organ tubes that transport glucose around plants
  10. CO2
  11. tiny holes in leaves that let gases in and out
Down
  1. ingoing substances to a reaction
  2. an autotroph on the food chain
  3. gather water from the ground for plants
  4. the organelles where cellular respiration occurs
  5. a term for any organism that manufactures its own glucose, usually using light energy
  6. the number of oxygens, carbon dioxides, and waters involved in one reaction of cellular respiration or one run of photosynthesis
  7. a chemical energy molecule made in photosynthesis
  8. the chemical energy molecule charged up in cellular respiration
  9. outgoing substances to a reaction
  10. C6H12O6 sugar
  11. the organ tubes that transport water around a plant

22 Clues: O2 • H2O • CO2 • C6H12O6 sugar • an autotroph on the food chain • a heterotroph on the food chain • ingoing substances to a reaction • outgoing substances to a reaction • gather water from the ground for plants • the organelles where photosynthesis occurs • kingdom MOST associated with photosynthesis • tiny holes in leaves that let gases in and out • ...

Unit 1 Extra Credit Puzzle 2021-09-22

Unit 1 Extra Credit Puzzle crossword puzzle
Across
  1. A chemical reaction that breaks bonds between two molecules by the addition of water
  2. A chemical reaction in which two molecules become covalently bonded to each other with the removal of a water molecule
  3. The subunit that serves as the building block of a polymer
  4. A storage polysaccharide in plants, consisting entirely of glucose monomers joined by glycosidic linkages
  5. A macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction
Down
  1. a sugar (monosaccharide) or one of its dimers (disaccharides) or polymers (polysaccharides)
  2. A covalent bond formed between two monosaccharides by a dehydration reaction
  3. A long molecule consisting of many similar or identical monomers linked together by covalent bonds
  4. A double sugar, consisting of two monosaccharides joined by a glycosidic linkage formed by a dehydration reaction
  5. The simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides.

10 Clues: The subunit that serves as the building block of a polymer • A covalent bond formed between two monosaccharides by a dehydration reaction • A chemical reaction that breaks bonds between two molecules by the addition of water • a sugar (monosaccharide) or one of its dimers (disaccharides) or polymers (polysaccharides) • ...

Jalen Smith 2022-03-08

Jalen Smith crossword puzzle
Across
  1. study of molar ratios in chemical reactions
  2. the max amount of product that can be produced based on limiting reactant
  3. lowest whole number ratio of elements within a compound
  4. number used to change one set of units to another by multiplying or dividing
  5. the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100
  6. conversion factor between compounds in a chemical reaction
Down
  1. the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction
  2. the substance that will be used up first in a chemical reaction
  3. mass of one mole of a substance
  4. a multiple of an empirical formula
  5. the percent ratio of actual yield to the theoretical yield

11 Clues: mass of one mole of a substance • a multiple of an empirical formula • study of molar ratios in chemical reactions • lowest whole number ratio of elements within a compound • the percent ratio of actual yield to the theoretical yield • conversion factor between compounds in a chemical reaction • the substance that will be used up first in a chemical reaction • ...

Chemistry Crossword 2015-12-01

Chemistry Crossword crossword puzzle
Across
  1. Materials produced by a reaction.
  2. Substances that help a reaction proceed faster.
  3. Substances formed as a result of the attraction between particles of opposite charges.
  4. Heat being given off
  5. Most stable and unreactive element.
  6. Most reactive metals.
  7. The amount of mass in a given volume of a substance.
  8. Absorption of heat.
  9. The smallest part of an element.
  10. Gas to solid.
  11. Positively charged centre of an atom.
  12. A pure substance that cannot be broken down any further.
  13. Neutral particle
Down
  1. Positively charged particles.
  2. Slow chemical change that occurs when air reacts with metal.
  3. When non metals combine.
  4. Takes place when two or more substances combine to form a new substance.
  5. An atom that has become electrically charged.
  6. Materials at the start of a reaction.
  7. The most reactive non metals.
  8. Anything that has mass and occupies space.
  9. Element that has both metallic and non metallic properties.
  10. Solid to a gas.
  11. Negatively charged particle in an atom.
  12. Catalyst involved in chemical reactions in living things.

25 Clues: Gas to solid. • Solid to a gas. • Neutral particle • Absorption of heat. • Heat being given off • Most reactive metals. • When non metals combine. • Positively charged particles. • The most reactive non metals. • The smallest part of an element. • Materials produced by a reaction. • Most stable and unreactive element. • Materials at the start of a reaction. • ...

Chemical Bonding 2018-02-02

Chemical Bonding crossword puzzle
Across
  1. the electrons in the outer energy level of an atom
  2. a more active element takes the place another element in a compound
  3. substances you start with
  4. substances you end up with
  5. biochemical compounds such as fats and oils
  6. a reaction in which energy is absorbed
  7. a chemical compound that is mainly composed of carbon, hydrogen, and possibly other elements
  8. speeds up a chemical reaction
  9. a single compound breaks down into its component parts or simpler compounds
Down
  1. biochemical compounds that consist of one or more chains of amino acids
  2. only refer to the atom they are behind
  3. Biochemical Compounds that include DNA and RNA
  4. any carbon-based compound found in living things
  5. Ions in two compounds “change partners”
  6. two or more elements or compounds may combine to form a more complex compound
  7. apply to the entire compound
  8. bond where electrons are shared between two nonmetals
  9. a reaction in which energy is released
  10. biochemical compounds that include sugars, starches, and celluose
  11. when a substance reacts with oxygen to produce energy in the form of heat and light

20 Clues: substances you start with • substances you end up with • apply to the entire compound • speeds up a chemical reaction • only refer to the atom they are behind • a reaction in which energy is absorbed • a reaction in which energy is released • Ions in two compounds “change partners” • biochemical compounds such as fats and oils • Biochemical Compounds that include DNA and RNA • ...

Matter and Energy in Ecosystems 2020-04-17

Matter and Energy in Ecosystems crossword puzzle
Across
  1. the part of a cell where photosynthesis happens
  2. organism gets energy by breaking down dead matter
  3. a type of energy storage molecule
  4. reaction between oxygen/glucose releases energy
  5. tiny pieces that all matter is made of
  6. living things
  7. a type of energy storage molecule
  8. molecule made of carbon and oxygen atoms
  9. starting substance that is part of a chemical reaction
  10. a molecule that organisms can use to release energy
Down
  1. ending substance that is made during a chemical reaction
  2. a group of atoms joined together in a particular way
  3. all the living and nonliving things in area
  4. an organism that needs to eat in order to get energy
  5. energy storage molecule made of many glucose molecules
  6. the part of cell where cellular respiration happens
  7. producers use energy from sunlight to make O2+H2O
  8. set of interacting parts forming a complex whole
  9. an organism that can make its own energy storage molecules
  10. molecule molecule organisms use to release energy
  11. closed ecosystem made by humans
  12. the ability to make things move or change
  13. matter that makes up the nonliving parts of an ecosystem,

23 Clues: living things • closed ecosystem made by humans • a type of energy storage molecule • a type of energy storage molecule • tiny pieces that all matter is made of • molecule made of carbon and oxygen atoms • the ability to make things move or change • all the living and nonliving things in area • the part of a cell where photosynthesis happens • ...

Chemistry Crossword 2018-06-08

Chemistry Crossword crossword puzzle
Across
  1. chemical reaction that releases heat energy
  2. mixture in which the different substances are visible
  3. when a new substance is formed and non-reversible
  4. can be in between metals and non-metals
  5. the number of protons in the nucleus of an atom
  6. mixture of two or more pure substances that look like one substance
  7. can eat away or corrode
  8. contaminated material that is a threat to humans and health
  9. substances in a reaction
  10. chemical reaction that absorbs heat energy
Down
  1. pure substance that cannot broken down any further
  2. workplace hazardous materials information system
  3. change in appearance or state
  4. ability to conduct electricity or heat
  5. the mass of all protons and neutrons in an atom
  6. when a solid changes to a gas
  7. when non-metal combine
  8. the mixture of magic and chemistry
  9. when a gas changes to a solid
  10. shiniest of a substances,
  11. electrically charged atoms
  12. made up of one type of matter
  13. the center of an atom
  14. the horizontal rows on the periodic table
  15. a compound of a metal and non-metal

25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • change in appearance or state • when a solid changes to a gas • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...

Chapter 13 A Hughes 2017-10-10

Chapter 13 A Hughes crossword puzzle
Across
  1. The process by which a reactant gains one or more electrons.
  2. The reacting substances in a chemical reaction.
  3. description of a substance that can behave as wither an acid or a base.
  4. The deterioration of a metal,typically caused by atmospheric oxygen.
  5. The process by which a reactant loses on one more electrons.
Down
  1. A reaction between an acid and a base.
  2. energy- The minimum energy required in order for a chemical reaction to proceed.
  3. a measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentrstion
  4. ion- a polyatomic ion made by removing a proton (hydrogen ion) from water molecule.
  5. The new materials formed in a chemical reaction.

10 Clues: A reaction between an acid and a base. • The reacting substances in a chemical reaction. • The new materials formed in a chemical reaction. • The process by which a reactant gains one or more electrons. • The process by which a reactant loses on one more electrons. • The deterioration of a metal,typically caused by atmospheric oxygen. • ...

AP Bio Extra Credit #3 2021-10-12

AP Bio Extra Credit #3 crossword puzzle
Across
  1. inhibition a method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway
  2. the binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site
  3. the reactant on which an enzyme works
  4. a process by which a chemical agent called a catalyst selectively increases the rate of a reaction without being consumed by the reaction
Down
  1. the specific region of an enzyme that binds the substrate and that forms the pocket in which catalysis occurs
  2. a kind of allosteric regulation whereby a shape change in one subunit of a protein caused by substrate binding is transmitted to all the other subunits, facilitating binding of additional substrate molecules to those subunits
  3. a macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction
  4. a chemical agent that selectively increases the rate of a reaction without being consumed by the reaction
  5. the amount of energy that reactants must absorb before a chemical reaction will start; also called free energy of activation
  6. a temporary complex formed when an enzyme binds to its substrate molecule(s)

10 Clues: the reactant on which an enzyme works • a temporary complex formed when an enzyme binds to its substrate molecule(s) • a chemical agent that selectively increases the rate of a reaction without being consumed by the reaction • the specific region of an enzyme that binds the substrate and that forms the pocket in which catalysis occurs • ...

Arturo Blanco Oxidation 2022-01-20

Arturo Blanco Oxidation crossword puzzle
Across
  1. a process that happend when the molecules was deformed and afect the physical aspect of something
  2. The most fast part of the atom
  3. something that happends by exposure to sunlight or by a chemical process
  4. is the symbolic description af a chemical reaction expresing their elements in symbols
  5. the result of a reaction like h20
  6. is the result of be oxiding or a proces of fisical changes
Down
  1. a conteiner that have chemical energy in their inside
  2. A procces that involve the chemical substances in an object in contact whit another
  3. a substance whit an etential part during a reaction
  4. The condition of a interaction or relation between 2 objects that could be dead or alive
  5. one of the elements that compoun the water it is necesary to live

11 Clues: The most fast part of the atom • the result of a reaction like h20 • a substance whit an etential part during a reaction • a conteiner that have chemical energy in their inside • is the result of be oxiding or a proces of fisical changes • one of the elements that compoun the water it is necesary to live • ...

Elias Burbano Oxidation 2022-01-20

Elias Burbano Oxidation crossword puzzle
Across
  1. a process that happend when the molecules was deformed and afect the physical aspect of something
  2. The most fast part of the atom
  3. something that happends by exposure to sunlight or by a chemical process
  4. is the symbolic description af a chemical reaction expresing their elements in symbols
  5. the result of a reaction like h20
  6. is the result of be oxiding or a proces of fisical changes
Down
  1. a conteiner that have chemical energy in their inside
  2. A procces that involve the chemical substances in an object in contact whit another
  3. a substance whit an etential part during a reaction
  4. The condition of a interaction or relation between 2 objects that could be dead or alive
  5. one of the elements that compoun the water it is necesary to live

11 Clues: The most fast part of the atom • the result of a reaction like h20 • a substance whit an etential part during a reaction • a conteiner that have chemical energy in their inside • is the result of be oxiding or a proces of fisical changes • one of the elements that compoun the water it is necesary to live • ...

Vocabulary Review 2015-01-29

Vocabulary Review crossword puzzle
Across
  1. – a vertical column in a periodic table; also called a chemical family
  2. – a mixture in which substances are evenly distributed
  3. – the scientific principle that matter is neither created nor destroyed
  4. - an element that conducts heat and electricity well, is shiny, and can be hammered
  5. – a change that results in the formation of a new substance or substances
  6. – matter made up of two or more substances that are not joined chemically
  7. – the smallest unit of a compound - Made of the same types of atoms.
  8. – a chart that organizes information about all the known elements
  9. – a substance that is produced during a chemical reaction.
  10. – an element that has some properties of both metals and nonmetals
  11. a mixture in which substances are not distributed evenly
  12. - a homogenous mixture in which one substance is completely dissolved into another
  13. – in a solution, the substance that does the dissolving
  14. – a horizontal row in a periodic table
  15. – the tendency of a substance to undergo chemical changes
  16. - a chemical change that is accompanied by a release of heat.
Down
  1. - a positively charged elementary particle that is in the nuclei of the atom.
  2. – a change in a substance that does not change the chemical makeup
  3. – in a solution, the substance that dissolves
  4. - two or more different elements join together chemically.
  5. – a process by which elements and compounds combine to form a new substance
  6. – a substance that is present at the beginning of chemical reaction
  7. - negative charge outside the nucleus of an atom.
  8. - the group in an experiment or study that does not receive treatment
  9. - it is the sum of the protons and neutrons of an atom.
  10. - a chemical change that is accompanied by an absorption of heat.
  11. – a gas that rarely reacts with other elements
  12. – a solid that forms during a chemical reaction that takes place in a solution
  13. - number of protons in the nucleus of each atom of a given element
  14. – particle having no charge, mass slightly greater than that of a proton.
  15. – an atom that has lost or gained electrons and therefore has an electrical charge
  16. the ratio of mass to the volume of a substance

32 Clues: – a horizontal row in a periodic table • – in a solution, the substance that dissolves • – a gas that rarely reacts with other elements • the ratio of mass to the volume of a substance • - negative charge outside the nucleus of an atom. • – a mixture in which substances are evenly distributed • - it is the sum of the protons and neutrons of an atom. • ...

chemistry 2019-04-30

chemistry crossword puzzle
Across
  1. the smallest particle of a chemical element that can exist
  2. a chemical reaction in which an acid and a bare interact with the formation of a salt
Down
  1. a substance that takes part in and undergoes change during a reaction
  2. change irreversible chemical reaction of new substance
  3. the process of burning something
  4. change changing forms of a chemical substance
  5. resulted substance in a result of a chemical reaction

7 Clues: the process of burning something • change changing forms of a chemical substance • resulted substance in a result of a chemical reaction • change irreversible chemical reaction of new substance • the smallest particle of a chemical element that can exist • a substance that takes part in and undergoes change during a reaction • ...

7th grade Science Vocab 2025-10-15

7th grade Science Vocab crossword puzzle
Across
  1. happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
  2. a change that occurs when one or more substances change into entirely new substances with different properties
Down
  1. a substance or molecule that is formed in a chemical reaction; the final output
  2. states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
  3. a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
  4. a substance or molecule that participates in a chemical reaction; the ingredients that you start with
  5. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
  6. Change a change of matter from one form to another without a change in chemical properties; only physical changes

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

BI 17 Overall Review 2024-02-21

BI 17 Overall Review crossword puzzle
Across
  1. continuous transfer of carbon through the environment
  2. one species benefits(parasite)other is harmed(host)
  3. heterotrophs that break down dead organisms back into soil, also release carbon back into the environment
  4. variable that controls growth of a population in an ecosystem
  5. process by which ALL CELLS convert chemical energy into mechanical energy
  6. autotrophs that use sunlight to make food (plants)
  7. shows the transfer of energy through an ecosystem(producers, consumers, decomposers)
  8. what comes out of a chemical reaction
  9. relationship between different species
Down
  1. one species benefits the other species unaffected
  2. both species benefit
  3. what goes into a chemical reaction
  4. heterotrophs that must consume plants and animals for energy
  5. one species benefits(winner) the other species is harmed(loser)
  6. one species kills(predator)other(prey) for food
  7. parts of the Earth that store carbon
  8. process by which plants take in carbon dioxide and water to produce glucose and oxygen

17 Clues: both species benefit • what goes into a chemical reaction • parts of the Earth that store carbon • what comes out of a chemical reaction • relationship between different species • one species kills(predator)other(prey) for food • one species benefits the other species unaffected • autotrophs that use sunlight to make food (plants) • ...

Chemistry 1 Review Crossword Puzzle 2022-05-26

Chemistry 1 Review Crossword Puzzle crossword puzzle
Across
  1. Element with the largest radius.
  2. Property that can be observed without changing the composition of a material.
  3. Loss of electrons.
  4. Pressure and volume are ___________ proportional.
  5. Atoms of the same element with different numbers of neutrons.
  6. tiny, central, dense, positively charged core of an atom.
  7. Group 17 elements.
  8. Minimum energy for a reaction to occur.
  9. Reaction that happens in the sun.
  10. Type of covalent bond where electrons are shared unequally.
  11. Prefix for 4.
Down
  1. Energy is released.
  2. Chemical formula that shows the lowest ratio of atoms.
  3. Reaction rates at equilibrium are ________.
  4. Substance that dissolves to make a solution.
  5. substance that can be changed into simpler substances by chemical means.
  6. Weakest intermolecular force.
  7. Metric base unit of mass.
  8. Subatomic particle with a mass of 1 and a charge of 0.
  9. Variable that is deliberately changed by the experimenter.
  10. Elements in the same _________ have similar properties
  11. Positively charged ion.
  12. Group 1 elements are ________ metals.
  13. Less than the maximum amount of solute dissolved.
  14. Proton donor.

25 Clues: Proton donor. • Prefix for 4. • Loss of electrons. • Group 17 elements. • Energy is released. • Positively charged ion. • Metric base unit of mass. • Weakest intermolecular force. • Element with the largest radius. • Reaction that happens in the sun. • Group 1 elements are ________ metals. • Minimum energy for a reaction to occur. • Reaction rates at equilibrium are ________. • ...

Chemistry Review 2017-02-12

Chemistry Review crossword puzzle
Across
  1. Ingredients produced after the reaction takes place
  2. Particles found in nucleus positive charge
  3. Relating to an orbit
  4. Composed or mixture of two or more separate elements
  5. electron Determines atom’s chemical properties, electrons in the outermost energy level
  6. A substance consisting of atoms which all have the same number of protons, chemically the substances cannot be broken down using chemical methods
  7. Number atoms present before and after a reaction takes places is always the same
  8. Share characteristics of metal and non-metal
  9. Elements that are gasy
  10. Absorption of heat
  11. (on the P.T.)Rows down the periodic table
  12. found in nucleus nucleus, atomic number - atomic mass= neutron
Down
  1. Russian chemist who developed a periodic table
  2. First letter is capitalized the second in lower-cased
  3. (on the P.T.)Rows across the periodic table
  4. Heat released
  5. Poor conductors of heat
  6. move around nucleus negative charge
  7. number Number of protons and electrons in a atom
  8. Collection of two or more atoms
  9. Ingredients present before the reaction
  10. Center of an atom
  11. Good conductors of heat
  12. Basic unit of everything

24 Clues: Heat released • Center of an atom • Absorption of heat • Relating to an orbit • Elements that are gasy • Poor conductors of heat • Good conductors of heat • Basic unit of everything • Collection of two or more atoms • move around nucleus negative charge • Ingredients present before the reaction • (on the P.T.)Rows down the periodic table • Particles found in nucleus positive charge • ...

Chemistry Crossword 2018-06-08

Chemistry Crossword crossword puzzle
Across
  1. pure substance that cannot broken down any further
  2. a compound of a metal and non-metal
  3. made up of one type of matter
  4. shiniest of a substances,
  5. ability to conduct electricity or heat
  6. when non-metal combine
  7. workplace hazardous materials information system
  8. chemical reaction that absorbs heat energy
  9. when a solid changes to a gas
  10. the number of protons in the nucleus of an atom
  11. when a gas changes to a solid
Down
  1. the mixture of magic and chemistry
  2. the mass of all protons and neutrons in an atom
  3. the horizontal rows on the periodic table
  4. the center of an atom
  5. change in appearance or state
  6. when a new substance is formed and non-reversible
  7. mixture in which the different substances are visible
  8. contaminated material that is a threat to humans and health
  9. mixture of two or more pure substances that look like one substance
  10. chemical reaction that releases heat energy
  11. can be in between metals and non-metals
  12. electrically charged atoms
  13. can eat away or corrode
  14. substances in a reaction

25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • made up of one type of matter • change in appearance or state • when a solid changes to a gas • when a gas changes to a solid • the mixture of magic and chemistry • a compound of a metal and non-metal • ...

Chemistry 2023-10-31

Chemistry crossword puzzle
Across
  1. I am flat and bendy now
  2. A substance in which things are built upon
  3. WOW shiny
  4. Will react with an Metal to produce a metal salt and hydrogen
  5. The things that make up an object
  6. Stretch
  7. The things that make up everything
  8. The smallest things
  9. A stable subatomic particle occurring in all atomic nuclei
  10. Metal + Oxygen --> Answer
  11. After a reaction
  12. A reaction with metals and oxygen to produce a metal oxide
  13. A chemical reaction with hydrocarbon and oxygen to produce carbon dioxide and water
Down
  1. 24 karat Gold
  2. Something that is done in response to a change or addition of a substance
  3. Things that make up most of what we see
  4. How much electricity flows through me
  5. A metal made by combining two or more metallic elements
  6. The thing plants do
  7. A lot of metals together
  8. Things on the Periodic Table
  9. The thing humans do
  10. Things that are put together and stirred
  11. 1+1=2
  12. A subatomic particle of about the same mass as a proton but without an electric charge

25 Clues: 1+1=2 • Stretch • WOW shiny • 24 karat Gold • After a reaction • The thing plants do • The thing humans do • The smallest things • I am flat and bendy now • A lot of metals together • Metal + Oxygen --> Answer • Things on the Periodic Table • The things that make up an object • The things that make up everything • How much electricity flows through me • Things that make up most of what we see • ...

Science Crossword Puzzle 2024-08-28

Science Crossword Puzzle crossword puzzle
Across
  1. Invisible but ever present, this state of matter fills the air we breathe
  2. Name of element symbol of Au
  3. Transforming used materials into new products to minimize waste
  4. This is produced in yeast during anaerobic respiration
  5. Name of element symbol of Cu
  6. A chemical reaction that requires heat
  7. Discovered the nucleus through gold foil experiment
  8. The charged particles that result from an atom’s electron exchange
  9. Negatively charged particle in an atom
  10. Large ocean wave caused by an earthquake
  11. Path of planets moving around the sun
  12. Gradual decomposition of iron, due to oxidation or chemical reaction and usually be seen with red-orange color
Down
  1. Sugar made by plant during photosynthesis
  2. A push or pull on an object
  3. When liquid turns to gas under the sun’s warm embrace
  4. The measure or rate of change in velocity
  5. Ice, rock, or a sturdy table- what’s unyielding in its shape?
  6. Bending of waves due to change in speed
  7. This apparatus can hold large amounts of liquids, but don’t mistake it for a coffee mug
  8. Released gas as the product of photosynthesis reaction on plants

20 Clues: A push or pull on an object • Name of element symbol of Au • Name of element symbol of Cu • Path of planets moving around the sun • A chemical reaction that requires heat • Negatively charged particle in an atom • Bending of waves due to change in speed • Large ocean wave caused by an earthquake • Sugar made by plant during photosynthesis • ...

enzymes 2025-04-30

enzymes crossword puzzle
Across
  1. a substance that undergoes change during a reaction
  2. result of a process
  3. the condition on which things are being done
  4. A muscular organ that digests food by mixing it with acids and enzymes.
  5. Related to building up molecules using energy.
  6. An enzyme that breaks down proteins into smaller peptides or amino acids.
  7. Related to breaking down molecules to release energy.
  8. The part of an enzyme where the substrate binds and the reaction happens.
  9. A molecule made of amino acids that helps build and repair body tissues.
  10. Non-protein helpers that assist enzymes in functioning properly.
Down
  1. intensity of heat present
  2. C6H12O6
  3. catalysts that speed up chemical reactions
  4. A complex carbohydrate used by plants to store energy.
  5. scale to measure the acidity or basicity of things
  6. close gathering of things
  7. An enzyme that breaks down nucleic acids like DNA or RNA.
  8. something done, felt, or thought in response to a situation or event
  9. Substances that slow down or stop enzyme activity.
  10. A substance that speeds up a chemical reaction without being used up.

20 Clues: C6H12O6 • result of a process • intensity of heat present • close gathering of things • catalysts that speed up chemical reactions • the condition on which things are being done • Related to building up molecules using energy. • scale to measure the acidity or basicity of things • Substances that slow down or stop enzyme activity. • ...

Chemistry level 2.2 (as and a level) 2025-06-29

Chemistry level 2.2 (as and a level) crossword puzzle
Across
  1. CHATELIER Principle predicting how equilibrium shifts with conditions
  2. Reaction that absorbs heat energy from surroundings
  3. Number of collisions occurring per second
  4. A law stating total enthalpy change is independent of reaction route
  5. Refers to equilibrium where reactions are still occurring
  6. State where forward and reverse reactions occur at the same rate
  7. How quickly reactants turn into products
  8. CONSTANT Proportionality constant in the rate equation
  9. Enthalpy change when one mole of a compound forms from its elements
  10. Describes how concentration affects rate
  11. Enthalpy change when one mole of a substance burns in oxygen
  12. LIFE Time taken for concentration of reactant to halve
  13. Minimum energy required for a reaction to occur
  14. Conditions of 298 K and 100 kPa pressure
Down
  1. Reaction that releases heat energy to surroundings
  2. Heat change measured at constant pressure
  3. AREA Increasing this often increases reaction rate for solids
  4. Equilibrium constant in terms of concentrations
  5. Enthalpy change when gaseous ions become aqueous
  6. Step-by-step sequence of a reaction
  7. Amount of product formed in a chemical reaction
  8. Experimental method for measuring heat changes
  9. Substance that increases reaction rate without being used up
  10. ENTHALPY Energy needed to break one mole of bonds in gaseous molecules
  11. Theory explaining how reactions occur

25 Clues: Step-by-step sequence of a reaction • Theory explaining how reactions occur • How quickly reactants turn into products • Describes how concentration affects rate • Conditions of 298 K and 100 kPa pressure • Heat change measured at constant pressure • Number of collisions occurring per second • Experimental method for measuring heat changes • ...

Reactions 2024-02-21

Reactions crossword puzzle
Across
  1. Who discovered a fundamental principle in chemistry stating that mass is neither created nor destroyed in a chemical reaction
  2. A substance made up of only one type of atom
  3. The substances that undergo chemical changes in a reaction. They are the starting materials and are transformed into products during the reaction.
  4. Substances composed of two or more different elements chemically bonded together in fixed proportions. Compounds can be formed through chemical reactions between elements.
  5. Numbers placed in front of chemical formulas in a balanced chemical equation to represent the relative amounts of reactants and products involved in the reaction.
Down
  1. The process in which substances undergo chemical changes to form new substances with different properties. This involves the breaking of chemical bonds in the reactants and the formation of new bonds in the products.
  2. The substances that are formed as a result of a chemical reaction. They are produced from the reactants and have different chemical properties than the reactants.
  3. The basic building blocks of matter, consisting of a nucleus composed of protons and neutrons, with electrons orbiting around the nucleus.

8 Clues: A substance made up of only one type of atom • Who discovered a fundamental principle in chemistry stating that mass is neither created nor destroyed in a chemical reaction • The basic building blocks of matter, consisting of a nucleus composed of protons and neutrons, with electrons orbiting around the nucleus. • ...

AP Bio Extra Credit #3 2021-10-12

AP Bio Extra Credit #3 crossword puzzle
Across
  1. the binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site
  2. a process by which a chemical agent called a catalyst selectively increases the rate of a reaction without being consumed by the reaction
  3. a kind of allosteric regulation whereby a shape change in one subunit of a protein caused by substrate binding is transmitted to all the other subunits, facilitating binding of additional substrate molecules to those subunits
Down
  1. a temporary complex formed when an enzyme binds to its substrate molecule(s)
  2. the reactant on which an enzyme works
  3. inhibition 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 chemical agent that selectively increases the rate of a reaction without being consumed by the reaction
  5. the amount of energy that reactants must absorb before a chemical reaction will start; also called free energy of activation
  6. a macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction
  7. the specific region of an enzyme that binds the substrate and that forms the pocket in which catalysis occurs

10 Clues: the reactant on which an enzyme works • a temporary complex formed when an enzyme binds to its substrate molecule(s) • a chemical agent that selectively increases the rate of a reaction without being consumed by the reaction • the specific region of an enzyme that binds the substrate and that forms the pocket in which catalysis occurs • ...

Stoichiometry 2022-11-28

Stoichiometry crossword puzzle
Across
  1. is the unit of amount of substance in the International System of Units
  2. the mole ratio, which relates the amounts in moles of any two substances in a chemical reaction
  3. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  4. a compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element
  5. formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  6. the mass of a sample of that compound divided by the amount of substance
  7. the number of atoms or molecules in one mole of a substance, equal to 6.023 × 10^23
Down
  1. a form of matter having constant chemical composition and characteristic
  2. an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another
  3. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
  4. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  5. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction
  6. a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
  7. the empirical formula of any ionic or covalent network solid compound used as an independent entity for stoichiometric calculations
  8. the basic unit of a chemical element

15 Clues: the basic unit of a chemical element • is the unit of amount of substance in the International System of Units • a form of matter having constant chemical composition and characteristic • the mass of a sample of that compound divided by the amount of substance • the number of atoms or molecules in one mole of a substance, equal to 6.023 × 10^23 • ...

Vocab words 2023-04-28

Vocab words crossword puzzle
Across
  1. it is the scientific measurement of the heat energy involved in a chemical reaction or physical process
  2. it is the transfer of heat energy between two objects or substances that are in physical contact with each other without any movement of the substances as a whole
  3. A form of energy that is transferred from one object or substance to another temperature of difference between them
  4. it is the SI unit of energy, work, and heat
  5. it is a unit of temperature used in the international system of units
  6. it is the branch of chemistry that deals with the study of the heat energy involved in chemical reactions in physical processes
  7. it is the transfer of heat, energy by the motion of a fluid due to differences in temperature within the fluid
  8. are these substances or molecules that undergo a chemical change in a chemical reaction
  9. The amount of heat energy required to melt a given amount of substance at its melting point while keeping its temperature constant
Down
  1. Amount of heat required to convert a given amount of substance from liquid to gas
  2. the amount of heat energy required to raise the temperature of a unit mass of a substance by 1 degree C or 1 kelvin at a constant pressure
  3. refers to a process or reaction that releases heat or energy into its surroundings
  4. it is the energy an object possesses due to its motion
  5. it is a unit of temperature commonly used in the metric system
  6. it refers to a process or reaction that absorbs heat or energy from its surrounding
  7. it is the energy that comes from the movement of particles in a substance or system
  8. it is the transfer of heat energy through electromagnetic, waves or particles without the need for a medium or direct contact between objects
  9. it is a unit of energy commonly used in nutrition in thermodynamics
  10. are the new substances or molecules that are formed as a result of the chemical change

19 Clues: it is the SI unit of energy, work, and heat • it is the energy an object possesses due to its motion • it is a unit of temperature commonly used in the metric system • it is a unit of energy commonly used in nutrition in thermodynamics • it is a unit of temperature used in the international system of units • ...

Changes in Matter Vocabulary 2025-04-27

Changes in Matter Vocabulary crossword puzzle
Across
  1. a group of 2 or more atoms
  2. amount of energy transferred
  3. measurement of moving energy in a system
  4. a substance unable to be broken down in smaller substances
  5. a material made of a combination of atoms
  6. a substance that speeds up chemical reactions
  7. amount of space occupied by matter
  8. everything with volume and mass
  9. the process where reactants change into products
Down
  1. result of a chemical reaction
  2. a substance made by mixing chemicals
  3. a type of science including changes & chemicals
  4. interactions of a group of atoms into different species
  5. beginning materials to change into a product
  6. attraction of the same type of molecule
  7. smallest unit of matter
  8. sum of work and heat
  9. measure of matter in an object

18 Clues: sum of work and heat • smallest unit of matter • a group of 2 or more atoms • amount of energy transferred • result of a chemical reaction • measure of matter in an object • everything with volume and mass • amount of space occupied by matter • a substance made by mixing chemicals • attraction of the same type of molecule • measurement of moving energy in a system • ...

Chapt. 2 Vocabulary 2022-12-12

Chapt. 2 Vocabulary crossword puzzle
Across
  1. the sharing of electron pairs between atoms.
  2. the building blocks of the fat in our bodies
  3. The part of the enzyme where the substrate binds
  4. the smaller units from which larger molecules are made
  5. Atoms with the same number of protons but different numbers of neutrons
  6. a substance made from two or more different elements that have been chemically joined.
  7. is an essential sugar alcohol for many living things.
  8. chemical substances which participate in chemical reactions and forms new substances
  9. an atom or group of atoms that has an electric charge.
  10. interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons
  11. a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process.
Down
  1. the substance on which an enzyme can act.
  2. A liquid that is able to dissolve a solid.
  3. type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
  4. a biological catalyst and is almost always a protein
  5. A basic part of a whole.
  6. something that occurs when chemical bonds between atoms are formed or broken.
  7. The smallest particle of a substance that has all of the physical and chemical properties of that substance.
  8. the basic building block of nucleic acids
  9. A structure having an uneven distribution of electron density

20 Clues: A basic part of a whole. • the substance on which an enzyme can act. • the basic building block of nucleic acids • A liquid that is able to dissolve a solid. • the sharing of electron pairs between atoms. • the building blocks of the fat in our bodies • The part of the enzyme where the substrate binds • a biological catalyst and is almost always a protein • ...

Cellular Energeticsy 2021-08-24

Cellular Energeticsy crossword puzzle
Across
  1. transfer of oxygen and production of carbon dioxide and water as end products
  2. Primary carrier of energy in cells
  3. A substance that takes part in and undergoes change during a reaction
  4. Membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions
  5. substance occurring in plant or animal tissue and producing a characteristic color
  6. A gas necessary for a plant to produce food
  7. An organism that can make its own food
  8. The potential of a chemical substance to undergo a chemical reaction to transform into other substances
  9. Without oxygen
  10. A side effect of fermentation within yeast
Down
  1. Main type of sugar in the blood
  2. lungs shrink to allow gasses to diffuse out
  3. Process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
  4. The basis of fluids in living organisms
  5. A side effect of fermentation within mammals
  6. With oxygen
  7. is radiant light and heat from the Sun
  8. An organism that can not make its own food
  9. A chemical element in the air necessary for human survival
  10. lungs expand to allow gasses to diffuse in
  11. What happens when the body has no more oxygen
  12. Marked by or promoting metabolic activity concerned with the breakdown of complex molecules

22 Clues: With oxygen • Without oxygen • Main type of sugar in the blood • Primary carrier of energy in cells • is radiant light and heat from the Sun • An organism that can make its own food • The basis of fluids in living organisms • An organism that can not make its own food • lungs expand to allow gasses to diffuse in • A side effect of fermentation within yeast • ...

Cellular Respiration Crossword 2024-10-03

Cellular Respiration Crossword crossword puzzle
Across
  1. Adenosine ________ is created by the mitochondria
  2. The electron transport chain is the _______ step in respiration
  3. This chemical is the result of ATP losing a phosphate group
  4. How many steps are there in aerobic respiration?
  5. Aerobic respiration nets this many ATP molecules
  6. When respiration occurs with no oxygen, this forms
  7. Mitochondria breaks this down to recharge ADP
  8. This the cell's usable energy
  9. A ___________ reaction is a reaction where energy is released
  10. The step or respiration that occurs in the cytoplasm
Down
  1. This chemical is created in the muscles as result of not having oxygen
  2. This step of respiration occurs 2nd
  3. ATP has three phosphate groups attached to this molecule
  4. The site of cellular respiration
  5. ___________ and glucose are the reactants in the cellular respiration equation
  6. This type of organism is able to create its own sugars
  7. Chemical bonds can be used to store __________

17 Clues: This the cell's usable energy • The site of cellular respiration • This step of respiration occurs 2nd • Mitochondria breaks this down to recharge ADP • Chemical bonds can be used to store __________ • How many steps are there in aerobic respiration? • Aerobic respiration nets this many ATP molecules • Adenosine ________ is created by the mitochondria • ...

Food Allergies and Allergen-Safe Zones 2025-11-10

Food Allergies and Allergen-Safe Zones crossword puzzle
Across
  1. The goal of keeping our classroom allergen-free.
  2. A device that gives medicine to stop severe allergic reactions.
  3. What to do to hands before and after eating.
  4. Puffiness that occurs during an allergic reaction.
  5. Something that can become difficult during anaphylaxis.
  6. What happens when the body responds to an allergen.
  7. A common nut that often causes food allergies.
  8. A common seafood allergen.
  9. A visible skin change such as redness or irritation.
  10. zone A place where steps are taken to prevent allergic reactions.
Down
  1. A school staff member trained to help during medical emergencies.
  2. A severe allergic reaction that can be life-threatening.
  3. Red, itchy bumps on the skin caused by an allergic reaction.
  4. A feeling on the skin that makes you want to scratch.
  5. A substance that causes an allergic reaction.
  6. system The body’s defense system that protects against germs and allergens.
  7. An action the body takes when the throat or lungs are irritated.
  8. Chemical released during an allergic reaction.
  9. Something you should not do with food at school.
  10. What people with allergies must do with certain foods.

20 Clues: A common seafood allergen. • What to do to hands before and after eating. • A substance that causes an allergic reaction. • A common nut that often causes food allergies. • Chemical released during an allergic reaction. • The goal of keeping our classroom allergen-free. • Something you should not do with food at school. • ...

CELL ENERGY 2018-12-08

CELL ENERGY crossword puzzle
Across
  1. First of reaction in cellular respiration during which one molecule of glucose (a 6 carbon compound) is transformed in 2 molecules of pyruvic acid ( a 3 carbon compound)
  2. Process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrate such as sugar and starches.
  3. Organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy.
  4. Process that energy from food in the presence of oxygen.
  5. Elements or compounds produced by a chemical reaction.
  6. Set of reaction in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the Calvin Cycle.
  7. elements or compounds that enter into a chemical reaction.
  8. Are rod-shaped organelles that can be considered the power generators of the cell, converting oxygen and nutrients into adenosine triphosphate (ATP)
Down
  1. Set of reaction in photosynthesis that use energy from light to produce ATP and NADPH.
  2. Second stage of cellular respiration in which pyruvic acid is broken down into carbon dioxide in series of energy-extracting reactions.
  3. The equation for photosynthesis states that the combination of carbon dioxide, water and light energy produces a carbohydrate (glucose) and oxygen.
  4. Series of electron carrier proteins that shuttle high-energy electrons during ATP-generating reactions.
  5. Aerobic respiration takes place in the mitochondria and requires oxygen and glucose, and produces carbon dioxide, water, and energy.
  6. Breakdown of glucose created ATP, creates enough energy to produce three molecules of ATP (HIGH energy).
  7. When energy get used it creates ADP (is low energy).

15 Clues: When energy get used it creates ADP (is low energy). • Elements or compounds produced by a chemical reaction. • Process that energy from food in the presence of oxygen. • elements or compounds that enter into a chemical reaction. • Set of reaction in photosynthesis that use energy from light to produce ATP and NADPH. • ...

Module 1 Test Review 2023-09-11

Module 1 Test Review crossword puzzle
Across
  1. Two or more atoms chemically bonded together
  2. What goes into a chemical reaction (found on the left side of the arrow)
  3. The element that makes up the majority of the Earth's crust and human body
  4. Chemical equations must have an equal number of atoms on each side in order to be _________.
  5. The smallest piece of a compound that can exist
  6. The most important compound on planet Earth
Down
  1. Elements _____ through various Earth systems
  2. The element that makes up 78% of the air we breathe
  3. The subatomic particle that is important for chemical bonding
  4. The chemical formula for table salt
  5. What the arrow in a chemical reaction points to

11 Clues: The chemical formula for table salt • The most important compound on planet Earth • Elements _____ through various Earth systems • Two or more atoms chemically bonded together • What the arrow in a chemical reaction points to • The smallest piece of a compound that can exist • The element that makes up 78% of the air we breathe • ...

week 4 photography 2012-09-13

week 4 photography crossword puzzle
Across
  1. used inside camera to record light from objects
  2. how sharp or fuzzy the image appears
  3. number associated with aperture opening
  4. how the image looks normally
  5. darks are light, lights are dark
  6. amount of time the light is impacting the film
  7. focuses light rays onto a plane
  8. amount of light allowed to impact the film
  9. starts a chemical reaction
Down
  1. amount of light and time allowed to make an image
  2. wavelength that has the visible spectrum
  3. stops the chemical reaction
  4. how sensitive the film or sensor is
  5. single lens reflex
  6. series of steps to complete something
  7. device used to make an image
  8. simple device with a small opening
  9. locks or fixes the image on film or paper

18 Clues: single lens reflex • starts a chemical reaction • stops the chemical reaction • device used to make an image • how the image looks normally • focuses light rays onto a plane • darks are light, lights are dark • simple device with a small opening • how sensitive the film or sensor is • how sharp or fuzzy the image appears • series of steps to complete something • ...

kari 2.1 vocab 2021-10-26

kari 2.1 vocab crossword puzzle
Across
  1. chemical reaction
  2. the substances presents
  3. absorbs heat and energy
  4. a chemical reaction
Down
  1. a chemical change
  2. the substances that are forms
  3. a change in matter
  4. takes up same amount of space

8 Clues: a chemical change • chemical reaction • a change in matter • a chemical reaction • the substances presents • absorbs heat and energy • the substances that are forms • takes up same amount of space

Chapter 13 Crossword 2021-11-16

Chapter 13 Crossword crossword puzzle
Across
  1. no atoms are gained or lost during any reaction
  2. a reaction where this is a net absorption of energy
  3. if changed, the equilibrium shifts to oppose change until new equilibrium is reached
  4. a reaction where there is a net release of energy
  5. how quickly the concentration of reactants decreases and how quickly the concentration of products increases
  6. one sign that a chemical change occurred, often comes with gas.
Down
  1. Bond energy is also known as this
  2. when a reaction and its reverse act at the same rate
  3. a substance that lowers the activation energy of a chemical reaction
  4. when A+B=AB

10 Clues: when A+B=AB • Bond energy is also known as this • no atoms are gained or lost during any reaction • a reaction where there is a net release of energy • a reaction where this is a net absorption of energy • when a reaction and its reverse act at the same rate • one sign that a chemical change occurred, often comes with gas. • ...

Rate of Reaction 2021-12-14

Rate of Reaction crossword puzzle
Across
  1. A formula equation is a visual representation of a reaction using chemical formulas.
  2. accompanied by or requiring the absorption of heat.
  3. a multiplier or factor that measures some property.
  4. an expression of a chemical reaction or mathematical equation using words
  5. accompanied by the release of heat.
Down
  1. an insoluble solid that emerges from a liquid solution.
  2. a reaction that can be undone with another reaction.
  3. a substance that takes part in and undergoes change during a reaction.
  4. the result of two or more reactants.
  5. the amount obtained from a process or reactionrelative to the theoretical maximum amount obtainable.

10 Clues: accompanied by the release of heat. • the result of two or more reactants. • accompanied by or requiring the absorption of heat. • a multiplier or factor that measures some property. • a reaction that can be undone with another reaction. • an insoluble solid that emerges from a liquid solution. • a substance that takes part in and undergoes change during a reaction. • ...

Thermochemistry Tic-Tac-Toe 2022-05-18

Thermochemistry Tic-Tac-Toe crossword puzzle
Across
  1. The ability to do work or make change.
  2. The branch of chemistry which concerns changes in heat.
  3. The unit of energy used by some parts of the world.
  4. Everything not being focused on in a thermochemical reaction.
  5. The amount of heat required to raise the temperature of an object by one degree Celsius
  6. To give off heat.
  7. Energy that transfers from one object to another because of the difference in temperature.
  8. Heat given off when one mole of a substance is dissolved.
  9. The unit of heat energy used by most of the world.
  10. The amount of energy needed to change one mole of a substance from the liquid phase to the gas phase at constant temperature and pressure.
  11. The process of measuring the amount of heat transferred in a chemical reaction.
Down
  1. To absorb heat.
  2. An equation that included the amount of heat transferred in the reaction.
  3. 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.
  4. The amount of heat required to raise one unit of mass of an object by one degree Celsius.
  5. The focus of thermochemical reaction.
  6. A tool for measuring how much heat was involved in a chemical reaction.

17 Clues: To absorb heat. • To give off heat. • The focus of thermochemical reaction. • The ability to do work or make change. • The unit of heat energy used by most of the world. • The unit of energy used by some parts of the world. • The branch of chemistry which concerns changes in heat. • Heat given off when one mole of a substance is dissolved. • ...

Enzymatic Vocabulary 2023-04-10

Enzymatic Vocabulary crossword puzzle
Across
  1. A molecule acted upon by an enzyme.
  2. Proteins that act as biological catalysts by accelerating chemical reactions
  3. A thermodynamic process or reaction that releases energy from the system to its surroundings, usually in the form of heat
  4. A molecule which can facilitate a chemical reaction without being consumed or changed.
  5. A region especially of a biologically active protein (as an enzyme) where catalytic activity takes place and whose shape permits the binding only of a specific reactant molecule.
Down
  1. The minimum energy required for a reaction to occur.
  2. Describes a chemical reaction that absorbs energy (usually in the form of heat)
  3. The unfolding or breaking up of a protein, modifying its standard three-dimensional structure.
  4. A substance that enters into and is altered in the course of a chemical reaction

9 Clues: A molecule acted upon by an enzyme. • The minimum energy required for a reaction to occur. • Proteins that act as biological catalysts by accelerating chemical reactions • Describes a chemical reaction that absorbs energy (usually in the form of heat) • A substance that enters into and is altered in the course of a chemical reaction • ...

Chem words (0-0)" 2022-11-29

Chem words (0-0)" crossword puzzle
Across
  1. The molar concentration - mol/L (mol/dm^3)
  2. A type of chemical reaction where AB->A+B
  3. the loss of electron, the gain of oxygen
  4. Person that discovered/invented the number for how many number of particles/atoms are in a single mole
  5. A type of chemical reaction where A+B->AB
  6. A type of bond only formed between non-metals
  7. metal atoms have [-----] electrons
  8. a regular arrangement of ions packed together mostly found in ionic compounds.
  9. a substance that oxidises another substance and is itself reduced is a [----] agent
  10. one of the properties of metals. They can be bent or hammered into different shapes
Down
  1. a substance that reduces another substance and is itself oxidised is a [----] agent
  2. A type of chemical reaction where A+BC->AC+B
  3. Measured in cm^3, m^3, ml, L etc...
  4. the gain of electrons, the loss of oxygen
  5. A type of bond between both a metal and non-metal
  6. Same elements with the same amount of protons but have different number of neutrons
  7. A type of bond only formed between metals
  8. A three dimensional complicated structure of atoms like diamonds are called [-----] covalent
  9. one of the properties of metals. They can be pulled out into thin wires
  10. A simply and small molecular structure like carbon dioxide is a [-----] covalent

20 Clues: metal atoms have [-----] electrons • Measured in cm^3, m^3, ml, L etc... • the loss of electron, the gain of oxygen • A type of chemical reaction where AB->A+B • the gain of electrons, the loss of oxygen • A type of chemical reaction where A+B->AB • A type of bond only formed between metals • The molar concentration - mol/L (mol/dm^3) • ...

KM09 Crossword Puzzle 2025-07-29

KM09 Crossword Puzzle crossword puzzle
Across
  1. can determine the approximate pH of a batch
  2. can be described as any event that leads to or could have led to a major accident
  3. stationary type of extraction column
  4. program that addresses the possibility that chemical accidents may be caused by equipment failure
  5. Protect a compressor system from over pressurisation
  6. chemical change by which ions are formed from a neutral molecule of an inorganic solid, liquid, or gas
  7. amount of a solute that is dissolved in a given quantity of solvent or solution
  8. include low system flow, excessive vibration, and a muffled, banging sound inside the casing
  9. Information about the hazards of process chemicals
Down
  1. controlled manually by adding an acid or an alkali to a batch
  2. type of blade found in a typical axial compressor
  3. used to remove fats and oils from water
  4. separation of a dissolved solid from a solution by increasing the solution concentration above its saturation point
  5. chemical reaction in which an acid reacts with an alkali, or base
  6. reaction in which similar molecules are added together to form a new compound
  7. removes any air in the compressor system, which reduces the risk of fire
  8. process in which one or more components of a gas mixture are removed by contacting the gas with a liquid
  9. Oil and water
  10. process that can include more than one neutralisation reaction
  11. hydrogen and carbon

20 Clues: Oil and water • hydrogen and carbon • stationary type of extraction column • used to remove fats and oils from water • can determine the approximate pH of a batch • type of blade found in a typical axial compressor • Information about the hazards of process chemicals • Protect a compressor system from over pressurisation • ...

~BIO VOCAB~ extra credit 2012-10-15

~BIO VOCAB~ extra credit crossword puzzle
Across
  1. Law Thermodynamics change in internal energy equal to sum of heat added to system
  2. nucleotide that acts as enzyme helper
  3. Energy least amount of energy required to activate atoms
  4. reactant for specific enzyme
  5. survival and reproduction
  6. chemical reaction having net gain
  7. degree of disorder
  8. State part of enzyme, where interaction occurs
Down
  1. Model substrate,enzyme
  2. constructive metabolism
  3. Fit Model substrate alters shape of enzyme's active site
  4. destructive metabolism
  5. loss of 3D shape
  6. Inhibition resulting from some activity shuts down activity that brought it about
  7. Control inhibitors that attach themselves to molecule that alter active site
  8. Law Thermodynamics heat cannot be transferred from cold to hot body without entropy
  9. catalyze reactions between substances
  10. chemical reaction having net loss
  11. helps enzyme catalyze

19 Clues: loss of 3D shape • degree of disorder • helps enzyme catalyze • Model substrate,enzyme • destructive metabolism • constructive metabolism • survival and reproduction • reactant for specific enzyme • chemical reaction having net gain • chemical reaction having net loss • nucleotide that acts as enzyme helper • catalyze reactions between substances • ...

Bonding 2023-11-15

Bonding crossword puzzle
Across
  1. Transfer of electrons
  2. 2 or more different elements chemically combined
  3. force of attraction between atoms of a compound
  4. typically gains electrons in ionic bond
  5. energy is _______ when a chemical bond is broken
  6. atoms typically want 8 valence electrons
  7. one dash represents a _______ bond
  8. elements with atomic numbers 1-5 only want 2 valence electrons
  9. type of electrons that participate in bonding
Down
  1. energy is absorbed in a reaction
  2. Equal sharing of electrons
  3. Unequal sharing of electrons
  4. Sharing of electrons
  5. elements that already have full valence shell and don't react
  6. energy is released in a reaction
  7. energy is _______ when a chemical bond is formed
  8. typically loses electrons in ionic bond
  9. two dashes represent a _______ bond
  10. three dashes represent a ______ bond

19 Clues: Sharing of electrons • Transfer of electrons • Equal sharing of electrons • Unequal sharing of electrons • energy is absorbed in a reaction • energy is released in a reaction • one dash represents a _______ bond • two dashes represent a _______ bond • three dashes represent a ______ bond • typically gains electrons in ionic bond • typically loses electrons in ionic bond • ...

Science Escape Room - Task 1 2024-07-15

Science Escape Room - Task 1 crossword puzzle
Across
  1. Number one piece of safety PPE
  2. The green pigment in plants
  3. The smallest unit everything is made of
  4. =distance/time
  5. ______ water, used to test for carbon dioxide
  6. Cell _________ , allows substances to move in and out of cells
  7. Chemical reaction using light, carbon dioxide and water
  8. A glowing splint will relight in this gas
  9. The flow of electrons around a circuit
Down
  1. _______ store of energy meaning moving
  2. The study of living organisms
  3. Acid + Alkali --> Salt + ________
  4. Chemical reaction that releases energy from glucose and oxygen
  5. The mat placed under the bunsen burner
  6. pH_____, neutral substance
  7. Mrs ________, Head of Science
  8. The colour Universal Indicator goes in the presence of a strong acid
  9. The site of respiration
  10. The colour Universal Indicator goes in the presence of a strong alkali

19 Clues: =distance/time • The site of respiration • pH_____, neutral substance • The green pigment in plants • The study of living organisms • Mrs ________, Head of Science • Number one piece of safety PPE • Acid + Alkali --> Salt + ________ • _______ store of energy meaning moving • The mat placed under the bunsen burner • The flow of electrons around a circuit • ...

Chemistry (Amit Yadav roll no.3) 2021-08-05

Chemistry (Amit Yadav roll no.3) crossword puzzle
Across
  1. used for white washing of wall
  2. gas obtained on anode in electrolysis of water
  3. burning of natural gas
  4. which reaction took place during a chemical change
Down
  1. which reaction took place in zn+h2so3-zmso4+H2
  2. because of which type of reaction silver chloride changes to gray
  3. colour of silver chloride
  4. the reaction in which two reactant combine
  5. colour of the precipitate in pb(No3)2+ki
  6. the colour of magnesium oxide

10 Clues: burning of natural gas • colour of silver chloride • the colour of magnesium oxide • used for white washing of wall • colour of the precipitate in pb(No3)2+ki • the reaction in which two reactant combine • which reaction took place in zn+h2so3-zmso4+H2 • gas obtained on anode in electrolysis of water • which reaction took place during a chemical change • ...

nuclear crosssword puzzle 2023-11-03

nuclear crosssword puzzle crossword puzzle
Across
  1. positively charged atom that is in the nucleus.
  2. Time taken for the radioactivity of a specified isotope to fall to half its original value.
  3. A chemical reaction or other process in which the products themselves promote or spread the reaction.
  4. negatively charged atom that is in the nucleus.
  5. A helium nucleus emitted by some radioactive substances.
  6. The number of protons in the nucleus of an atom, which determines the chemical properties .
  7. central part of the atom that is positively charged.
  8. equal numbers of protons but different numbers of neutrons in their nuclei.
Down
  1. A nuclear reaction in which atomic nuclei of low atomic number.
  2. A nuclear reaction in which a heavy nucleus splits spontaneously.
  3. A form of electromagnetic radiation.
  4. the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
  5. A fast-moving electron emitted by radioactive decay of substances.
  6. total number of protons and neutrons in a nucleus.

14 Clues: A form of electromagnetic radiation. • positively charged atom that is in the nucleus. • negatively charged atom that is in the nucleus. • total number of protons and neutrons in a nucleus. • central part of the atom that is positively charged. • A helium nucleus emitted by some radioactive substances. • ...

Unit 2 Science Voabulary 2018-09-08

Unit 2 Science Voabulary crossword puzzle
Across
  1. A chemical bond formed between two ions with opposite charges. A chemical bond formed between two ions with opposite charges. Atoms may share
  2. bond Covalent bond between two atoms in which electrons are shared unequally
  3. The transition of an element from a solid to a gas, without transitioning to a liquid first
  4. A (usually irreversible) change in a substance that rearranges its atomic structure and therefore it’s chemical and physical properties
  5. A chemical change that happens when two or more elements combine or rearrange to form a new element
  6. The temperature at which the vapor pressure of a liquid element equals the pressure surrounding the liquid
  7. Chemical atoms being held together by a strong force of attraction
  8. An atom or group of atoms that has a positive or negative charge as a result of the loss or gain of an electron(s)
  9. A substance composed of exactly two elements that cannot be simplified by any further means
  10. A covalent bond in which two atoms share a pair of electrons
  11. A hot ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons. Due to its properties being very different from regular gasses, it is sometimes referred to as the fourth state of matter
Down
  1. The temperature at which the solid form of an element becomes a liquid.
  2. A change in a substance that affects its state of matter, but not its chemical makeup
  3. Two or more atoms bonded together, the smallest unit of a chemical compound that can take part in chemical bonding
  4. A number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound
  5. A set of chemical symbols showing the elements present in a compound and their relative proportions
  6. An ion comprised of two or more atoms.
  7. A chemical bond that involves the sharing of electron pairs between atoms
  8. A substance that forms as a result of a chemical reaction
  9. A substance that takes part in and undergoes change during a reaction.

20 Clues: An ion comprised of two or more atoms. • A substance that forms as a result of a chemical reaction • A covalent bond in which two atoms share a pair of electrons • Chemical atoms being held together by a strong force of attraction • A substance that takes part in and undergoes change during a reaction. • ...

Redox Reaction Concept 2019-11-18

Redox Reaction Concept crossword puzzle
Across
  1. In oxidation, it lost________.
  2. Reducing agent ________ in the redox reaction
  3. _______ terms stand from reduction and oxidation.
  4. Oxidizing agent _____ in the redox reaction
  5. Oxidation is ________ in oxidation number
  6. ______agent reduce a substance.
  7. The oxidation number of atoms in _____ is zero.
  8. A redox reaction is a chemical reaction which reduction and oxidation occur at the ____time.
Down
  1. In naming compound, metal element have ______ oxidation number.
  2. The oxidation number of atoms in _____ is zero.
  3. Reduction is _______in oxidation number.
  4. _______agent oxidize a substance.
  5. In oxidation, it lost ________.
  6. Gain______ in oxidation.
  7. ____ oxygen in reduction.
  8. In naming compound, non-metal element have ______ oxidation number.

16 Clues: Gain______ in oxidation. • ____ oxygen in reduction. • In oxidation, it lost________. • In oxidation, it lost ________. • ______agent reduce a substance. • _______agent oxidize a substance. • Reduction is _______in oxidation number. • Oxidation is ________ in oxidation number • Oxidizing agent _____ in the redox reaction • Reducing agent ________ in the redox reaction • ...

Types of reactions 2025-05-01

Types of reactions crossword puzzle
Across
  1. Exchange of ions between two compounds
  2. Acid and base reacting to form salt and water
  3. Reaction that releases heat
  4. Involves both oxidation and reduction
  5. Common product released in chemical reactions
  6. One substance breaks down into two or more
  7. Formation of a solid in a solution
  8. One element replaces another in a compound
Down
  1. Gain of electrons in a reaction
  2. Decomposition caused by heat
  3. Two or more substances form a single product
  4. Decomposition using electricity
  5. Loss of electrons in a reaction
  6. Reaction that absorbs heat
  7. Slow oxidation of iron with air and moisture

15 Clues: Reaction that absorbs heat • Reaction that releases heat • Decomposition caused by heat • Gain of electrons in a reaction • Decomposition using electricity • Loss of electrons in a reaction • Formation of a solid in a solution • Involves both oxidation and reduction • Exchange of ions between two compounds • One substance breaks down into two or more • ...

Cellular Energeticsy 2021-08-24

Cellular Energeticsy crossword puzzle
Across
  1. A side effect of fermentation within yeast
  2. Process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
  3. Primary carrier of energy in cells
  4. The basis of fluids in living organisms
  5. Marked by or promoting metabolic activity concerned with the breakdown of complex molecules
  6. transfer of oxygen and production of carbon dioxide and water as end products
  7. Without oxygen
  8. What happens when the body has no more oxygen
  9. is radiant light and heat from the Sun
  10. A side effect of fermentation within mammals
  11. A gas necessary for a plant to produce food
  12. An organism that can make its own food
  13. lungs shrink to allow gasses to diffuse out
Down
  1. A substance that takes part in and undergoes change during a reaction
  2. The potential of a chemical substance to undergo a chemical reaction to transform into other substances
  3. lungs expand to allow gasses to diffuse in
  4. An organism that can not make its own food
  5. With oxygen
  6. substance occurring in plant or animal tissue and producing a characteristic color
  7. Main type of sugar in the blood
  8. A chemical element in the air necessary for human survival
  9. Membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions

22 Clues: With oxygen • Without oxygen • Main type of sugar in the blood • Primary carrier of energy in cells • is radiant light and heat from the Sun • An organism that can make its own food • The basis of fluids in living organisms • A side effect of fermentation within yeast • lungs expand to allow gasses to diffuse in • An organism that can not make its own food • ...

Life's Processes- Vocabulary Work 2025-03-03

Life's Processes- Vocabulary Work crossword puzzle
Across
  1. substance(s) produced by a chemical reaction
  2. chemical reaction that occurs in animal cells
  3. chemical reaction that occurs in plant cells
Down
  1. a type of sugar-what carbs brak into
  2. substance(s) at the begginning of a chemical reaction
  3. matter cannot be created or destroyed- only changed
  4. the ability to do something

7 Clues: the ability to do something • a type of sugar-what carbs brak into • substance(s) produced by a chemical reaction • chemical reaction that occurs in plant cells • chemical reaction that occurs in animal cells • matter cannot be created or destroyed- only changed • substance(s) at the begginning of a chemical reaction