chemical reaction Crossword Puzzles

Science Vocab Crossword 2023-12-10

Science Vocab Crossword crossword puzzle
Across
  1. The amount of things in a given area
  2. Degree to which a substance dissolves
  3. A solid incorporating into a liquid
  4. Dissolvable
  5. A substance that can neutralize the acid by reacting with hydrogen ions
  6. A material made up of two or more different chemical substances which are not chemically bonded
  7. Hydrogen-containing substance that is capable of donating a proton to another substance
  8. A process that involves rearrangement of the molecular or ionic structure of a substance
  9. A chemical reaction that generates heat
  10. A measure of a fluid's resistance to flow
  11. The physical process of a transition from one state of matter to another
Down
  1. Not Dissolvable
  2. A chemical reaction that generates cold
  3. A measure of the speed it takes for something to catch fire
  4. A substance that is present at the end of a chemical reaction
  5. The starting materials in a reaction
  6. Matter cannot be created or distoryed
  7. Any substance that cannot be decomposed into simpler substances by ordinary chemical processes

18 Clues: Dissolvable • Not Dissolvable • A solid incorporating into a liquid • The amount of things in a given area • The starting materials in a reaction • Degree to which a substance dissolves • Matter cannot be created or distoryed • A chemical reaction that generates cold • A chemical reaction that generates heat • A measure of a fluid's resistance to flow • ...

Victoria's Matter Crossword 2024-05-15

Victoria's Matter Crossword crossword puzzle
Across
  1. The substances that are formed during a chemical reaction
  2. The ability of molecules of the same substance to stick together
  3. Two or more atoms joined together
  4. The force that holds atoms together
  5. The substances before a chemical reaction happens
  6. Material that has mass and takes up space
  7. A measure of the average kinetic energy of atoms in a system
  8. A substance formed when two or more elements combine
  9. A change in matter that doesn't affect it's chemical composition
  10. The smallest unit of an element
  11. The ability to do work or cause change
Down
  1. A characteristic that can be observed (texture, color, odor)
  2. The amount of space that an object occupies
  3. A substance that can't be broken down by a chemical reaction
  4. A science that deals with the composition, structure and properties of a substance
  5. A process that changes substances into new substances
  6. A characteristic of a substance that is measurable or observable during a chemical reaction
  7. A process that changes substances into new substances
  8. The amount of matter in an object

19 Clues: The smallest unit of an element • Two or more atoms joined together • The amount of matter in an object • The force that holds atoms together • The ability to do work or cause change • Material that has mass and takes up space • The amount of space that an object occupies • The substances before a chemical reaction happens • ...

Unit 4 Vocab 2024-03-27

Unit 4 Vocab crossword puzzle
Across
  1. a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
  2. two or more substances combine to form another substance
  3. a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule.
  4. tells you by mass what percent of each element is present in a compound
  5. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products
  6. a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts.
  7. An ionic compound made from the neutralization of an acid with a base.
  8. the mass in grams of one mole of a substance
  9. a chemical change in which one element replaces a second element in a compound
Down
  1. a reaction in which an acid and a base react in aqueous solution to produce a salt and water
  2. Tells you the ratio of elements in the compound
  3. the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
  4. A substance that decreases the hydrogen ion concentration in a solution.
  5. an expression that defines the number of atoms of each element in one molecule of a compound
  6. a chemical change in which a single compound is broken down into two or more simpler products
  7. a measure of how acidic/basic water is
  8. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat
  9. the number in front of the formula
  10. The chemical substances which are formed due to a chemical reaction between two or more chemical substances

19 Clues: the number in front of the formula • a measure of how acidic/basic water is • the mass in grams of one mole of a substance • Tells you the ratio of elements in the compound • two or more substances combine to form another substance • An ionic compound made from the neutralization of an acid with a base. • ...

CWhitmore ch13 2016-10-13

CWhitmore ch13 crossword puzzle
Across
  1. Energy transfers from reactions to surroundings.
  2. What is needed to start the process to break bonds or start a combustion reaction.
  3. If a change is made to system in chemical equilibrium the equilibrium shifts to oppose the change until a new equilibrium.
  4. A substance that undergoes a chemical change.
  5. A reason that of at least 2 substances that forms a new more complex compound.
  6. A reaction in which a compound oxygen burn.
Down
  1. agents that selectively seed up chemical reactions without being consumed by the reaction.
  2. A substance that is the result of a chemical change.
  3. Areaction that releases energy in the form of heat.
  4. A reaction in which one compound breaks into at least 2 products.
  5. Energy is transferred to reactants from surrounding.
  6. The state in which a chemical reaction and its reverse occur at the scene time and at the scene rate.
  7. change that takes place when two or more substances interact to form new substance.
  8. what factor may affect equilibrium a chemical reaction.
  9. The specific substance affected by an enzyme.

15 Clues: A reaction in which a compound oxygen burn. • A substance that undergoes a chemical change. • The specific substance affected by an enzyme. • Energy transfers from reactions to surroundings. • Areaction that releases energy in the form of heat. • A substance that is the result of a chemical change. • Energy is transferred to reactants from surrounding. • ...

Chapter 19 "Chemical Reactions" Vocabulary 2018-03-07

Chapter 19 "Chemical Reactions" Vocabulary crossword puzzle
Across
  1. replacement reaction / A chemical reaction in which two reactant ionic compounds swap cations when forming the two product compounds. One of the products often becomes a precipitate.
  2. / A substance that is produced in a chemical reaction. Normally appears on the right side of a chemical reaction.
  3. reaction / A chemical reaction yielding a single product from several reactants.
  4. system / A method of naming different ionic compounds made of the same elements. Man metals can have different oxidation numbers. A Roman numeral in parentheses following the metal's name represents the value of the metal's oxidation number for that compound.
  5. reaction / A chemical reaction that must absorb heat from its surroundings to occur.
  6. replacement reaction / A chemical reaction in which one element in a reactant compound is replaced by another reactant element, forming a new compound product. The replaced element becomes one of the products and often forms a precipitate of a gas.
  7. / A substance that is present before a chemical reaction and takes part in it. Normally appears on the left side of the chemical reaction.
Down
  1. number / The number of electrons that a bonded atom of ion must gain or lose to return to its neutral state. Are used mainly for writing the formulas of inorganic compounds.
  2. reaction / Chemical reaction yielding two or more products from a single reactant. It is usually an endothermic reaction.
  3. reaction / A chemical reaction that liberates heat to its surroundings as it occurs.
  4. equation / An equation that symbolically represents the identity and amounts of reactants and products that take part in a chemical reaction.

11 Clues: reaction / A chemical reaction yielding a single product from several reactants. • reaction / A chemical reaction that liberates heat to its surroundings as it occurs. • reaction / A chemical reaction that must absorb heat from its surroundings to occur. • ...

Reactions of Life 2018-10-01

Reactions of Life crossword puzzle
Across
  1. A gas needed by plants and made by animals.
  2. A green chemical that can trap sunlight.
  3. Energy trapped by chlorophyll.
  4. Energy produced by cellular respiration.
  5. A sugar made by plants and eaten by animals.
  6. Where oxygen enters the body of animals.
  7. A substance absorbed by roots.
  8. Holes in leaves where carbon dioxide enters.
  9. A chemical reaction that occurs in plants.
Down
  1. A reaction that absorbs energy from the surroundings.
  2. A chemical reaction that occurs in all life.
  3. A reaction that needs heat energy, a fuel and oxygen.
  4. Produced by plants.
  5. The organelle where photosynthesis takes place.
  6. The organelle where cellular respiration happens.
  7. A reaction that releases heat into the surroundings.

16 Clues: Produced by plants. • Energy trapped by chlorophyll. • A substance absorbed by roots. • A green chemical that can trap sunlight. • Energy produced by cellular respiration. • Where oxygen enters the body of animals. • A chemical reaction that occurs in plants. • A gas needed by plants and made by animals. • A chemical reaction that occurs in all life. • ...

Crossword 2021-03-30

Crossword crossword puzzle
Across
  1. Energy particles need in order to react.
  2. A substance formed in a chemical reaction.
  3. A substance changed in a chemical reaction.
  4. A biological catalyst.
  5. Measure of the amount of substance in a solution.
  6. Measured in centimetre cubed.
Down
  1. Point where a graph crosses an axis.
  2. Can be found by measuring the quantity of product formed over time.
  3. A substance that remains unchanged in a chemical reaction.
  4. Theory used to predict rates of chemical reaction.
  5. The steepness of a graph.
  6. A chemical change.

12 Clues: A chemical change. • A biological catalyst. • The steepness of a graph. • Measured in centimetre cubed. • Point where a graph crosses an axis. • Energy particles need in order to react. • A substance formed in a chemical reaction. • A substance changed in a chemical reaction. • Measure of the amount of substance in a solution. • ...

Stoichiometry 2022-05-17

Stoichiometry crossword puzzle
Across
  1. The chemicals which are put into a chemical reaction and are on the left side of the reaction
  2. The mass of one mole of a substance
  3. AB + CD ----> AD + CB
  4. A + BC ----> AC + B
  5. Symbolized by (aq) next to a chemical formula
  6. The amount of product that is actually formed when a reaction is carried out in the laboratory
  7. AB ----> A + B
  8. Something you must do to the equation to follow the Law of Conservation of Mass
  9. The substance that runs out in a chemical reaction, thus controlling the amount of product(s)
  10. A compound containing carbon and hydrogen is burned in the presence of oxygen
Down
  1. The chemicals present on the right side of a chemical reaction
  2. A + B ----> AB
  3. The reactant that is leftover after a reaction comes to completion
  4. The number in front of a balanced formula showing how much of that reactant or product is present
  5. 6.02 x 10^23
  6. A conversion factor derived from the coefficients of the quantities of substances involved in chemical reactions

16 Clues: 6.02 x 10^23 • A + B ----> AB • AB ----> A + B • A + BC ----> AC + B • AB + CD ----> AD + CB • The mass of one mole of a substance • Symbolized by (aq) next to a chemical formula • The chemicals present on the right side of a chemical reaction • The reactant that is leftover after a reaction comes to completion • ...

Vocab crossword 2022-01-24

Vocab crossword crossword puzzle
Across
  1. The substance produced as a result of a chemical reaction.
  2. The altering of an object's chemical composition by rearranging the atoms.
  3. A chemical reaction that produces more reactant molecules than it started with.
  4. A symbolic representation of a chemical reaction.
  5. A chemical reaction that exchanges two or more atoms between molecules.
Down
  1. A reaction that releases energy; it becomes warm or hot.
  2. A solid that forms during a chemical reaction.
  3. A reaction that takes in energy; it becomes cold
  4. A chemical reaction that makes one molecule from two or more.
  5. A substance that undergoes a chemical change in a chemical reaction

10 Clues: A solid that forms during a chemical reaction. • A reaction that takes in energy; it becomes cold • A symbolic representation of a chemical reaction. • A reaction that releases energy; it becomes warm or hot. • The substance produced as a result of a chemical reaction. • A chemical reaction that makes one molecule from two or more. • ...

Atomic Bonding 2015-04-08

Atomic Bonding crossword puzzle
Across
  1. positively charged center
  2. Elements want 8 in their outer shell
  3. Basic chemical unit
  4. Chemical reactions that release heat or light
  5. two or more chemically bound atoms
  6. Second generation of quarks
  7. Electrons in the outer shell
  8. Third generation of quarks
  9. First generation of quarks
Down
  1. Holds quarks together
  2. Gain's or losses electrons
  3. Made of one substance
  4. Negative charge
  5. Chemical reaction that makes the air cold around it
  6. Shares electrons
  7. Process of removing electrons from an atom to from ions
  8. Many free electrons
  9. no charge
  10. Made of more than one substance
  11. Positive charge
  12. Particles that make up Neutrons and Electrons

21 Clues: no charge • Negative charge • Positive charge • Shares electrons • Basic chemical unit • Many free electrons • Holds quarks together • Made of one substance • positively charged center • Gain's or losses electrons • Third generation of quarks • First generation of quarks • Second generation of quarks • Electrons in the outer shell • Made of more than one substance • ...

Chemical Reactions Test Review 2025-05-15

Chemical Reactions Test Review crossword puzzle
Across
  1. a scale from 0 to 14 that is a measure of the hydrogen and hydroxide ion concentrations, how strong or weak an acid or base is.
  2. a chemical compound that dissociates into hydroxide ion(s) and a positively charged ion when mixed with water
  3. not able to be dissolved by a particular solvent. Some things can be dissolved by water and some cannot (insoluble)
  4. forms when a solvent is saturated and more solute is added. The extra solute ‘precipitates’ to the bottom
  5. a chemical compound that is produced in a chemical reaction (what you have at the end of the reaction)
  6. the ratio of the amount of solute to the volume of solvent
  7. the substance that changes state when a solution is prepared or is present in the smallest amount
  8. when a reactant is converted to a product
  9. matter cannot be created nor destroyed
  10. when a solvent is ‘full’ of solute and cannot dissolve any more
  11. When an acid is mixed with water, it dissociates into a negatively charged ion and a hydrogen ion, H+
Down
  1. When a base is mixed with water, it dissociates into a positively charged ion and a hydroxide ion, OH-.
  2. able to be dissolved by a particular solvent
  3. a chemical compound that is consumed in a chemical reaction (what you start with)
  4. Describes a chemical reaction by indicating the formulas of all reactants and products
  5. when a reactant is not converted to a product
  6. a chemical compound that has a hydrogen ion(s) (also called hydronium ions) when mixed with water (H+)
  7. a chemical compound that has a negative or a positive charge
  8. occurs when chemical reactants are converted into chemical products
  9. a description of a chemical compound using the letter designations of the elements

20 Clues: matter cannot be created nor destroyed • when a reactant is converted to a product • able to be dissolved by a particular solvent • when a reactant is not converted to a product • the ratio of the amount of solute to the volume of solvent • a chemical compound that has a negative or a positive charge • when a solvent is ‘full’ of solute and cannot dissolve any more • ...

Rates of reaction 2021-01-14

Rates of reaction crossword puzzle
Across
  1. This is the name of a biological catalyst
  2. A scientist does this when looking closely at a reaction
  3. Temperature is measured in degrees _______
  4. This is a special substance added to increase the rate of reaction without being used up
  5. The number of particles of a substance in a volume
  6. When the particle size is decreased, more of the outside of the substance can touch the reactant
  7. Can be given off during a chemical reaction (you would see bubbles)
Down
  1. A chemical reaction could give off this in the form of heat or light.
  2. Increasing this (how hot the substance is) would increase the rate of reaction
  3. The substance made in a chemical reaction
  4. The substances mixed together in a chemical reaction
  5. ____ of reaction is how quickly the reaction completes
  6. The time for a reaction is measured in

13 Clues: The time for a reaction is measured in • The substance made in a chemical reaction • This is the name of a biological catalyst • Temperature is measured in degrees _______ • The number of particles of a substance in a volume • The substances mixed together in a chemical reaction • ____ of reaction is how quickly the reaction completes • ...

C2 Crossword 2018-04-25

C2 Crossword crossword puzzle
Across
  1. system Open system
  2. Energy
  3. Salt
  4. Chem reaction bewteen a base and an acid
  5. agent Oxidising agent
  6. Alkali
  7. A natural resource that will run out
  8. Stored energy is released
  9. Substance loses oxygen
  10. of conversation of mass Tocom
  11. system Closed system
Down
  1. Gives out energy change exo
  2. Endothermic
  3. Hydrogen and carbon
  4. The natural effect
  5. Rise in average wordl temps
  6. Carbonate
  7. Chemical reaction where a substance gains
  8. Source that will not run out
  9. A chemical reaction that is also known as burning
  10. A chemical less than 7
  11. Describes the product formed in the oxidation of fat
  12. Base
  13. dioxide Gas that form 0.04% of the air

24 Clues: Salt • Base • Energy • Alkali • Carbonate • Endothermic • system Open system • The natural effect • Hydrogen and carbon • system Closed system • agent Oxidising agent • A chemical less than 7 • Substance loses oxygen • Stored energy is released • Gives out energy change exo • Rise in average wordl temps • Source that will not run out • of conversation of mass Tocom • ...

Chemistry unit study guide 2016-02-10

Chemistry unit study guide crossword puzzle
Across
  1. 2 or more chemical elements
  2. good conducting of heat
  3. products of a chemical reaction must equal the mass
  4. A wave function
  5. negative charge
  6. the turn out
  7. # of protons in atom
  8. vary small, has properties of of a chemical element.
  9. outside
  10. can't be broken up
  11. represent
Down
  1. positive charge
  2. gaseous elements
  3. only partially conduct heat
  4. neutral charge
  5. created the periodic table
  6. pore conductor of heat
  7. inside
  8. outer ring
  9. layer of metal bounded to the surface of another substance.
  10. center of an atoms
  11. mass of atom
  12. substances present in chemical reaction

23 Clues: inside • outside • represent • outer ring • the turn out • mass of atom • neutral charge • positive charge • A wave function • negative charge • gaseous elements • center of an atoms • can't be broken up • # of protons in atom • pore conductor of heat • good conducting of heat • created the periodic table • 2 or more chemical elements • only partially conduct heat • ...

Chemical vs physical change 2020-04-30

Chemical vs physical change crossword puzzle
Across
  1. changing a liquid to a gas all throughout the liquid
  2. When an atom bumps into another atom, sometimes a chemical reaction takes place
  3. one evidence of a chemical reaction is the release of _________
  4. when particles move around each other
  5. when particles move around in all direction
  6. there of seven pieces of this, that shows a chemical reaction has taken place. Some can be misleading
  7. the smallest form of matter. Could be atom, molecule, or ion.
  8. when a compound breaks down or its atoms rearrange
  9. the state change of a liquid to a gas at the surface
  10. one of the least reactive metals. That's why it is so precious.
  11. this type of change is when the same chemical composition exists
  12. when two or more pure substances are combined with no chemical reaction
  13. when a solid turns directly into a gas (dry ice)
Down
  1. when a solid is formed from a liquid
  2. when a solid _______ into a liquid to form a solution (like saltwater)
  3. an example of this is frost on a cold morning, a gas goes straight to a solid
  4. the melting point of this metal is 842 C
  5. the state change you see in a steam room
  6. the measurement of average kinetic energy
  7. when a solid turns to a liquid
  8. this type of change shows a different kind of compound formed
  9. when particles are very close to each other

22 Clues: when a solid turns to a liquid • when a solid is formed from a liquid • when particles move around each other • the melting point of this metal is 842 C • the state change you see in a steam room • the measurement of average kinetic energy • when particles move around in all direction • when particles are very close to each other • ...

Chapter 2 Crossword 1 2014-11-19

Chapter 2 Crossword 1 crossword puzzle
Across
  1. the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have
  2. high-energy particles with very little mass
  3. a solution in which no more solute can dissolve
  4. the separating of a molecule into simpler molecules, atoms, radicals, or ions
  5. The simplest particle of an element
  6. a compound or atom involved in a chemical reaction
  7. a chemical that reduces the amount of activation energy needed for a reaction but not for a reactant
  8. positive and negative electrical charges attract each other
  9. a subatomic particle with a positive charge
  10. any substance that increases the concentration or hydrogen ions when added to a water solution
  11. a mixture in which one or more substances are uniformly dissolved in another substance
  12. a subatomic particle with no electrical charge
Down
  1. a chemical reaction that involves a net release of free energy
  2. anything that occupies space and has mass
  3. one water molecule, H2O, dissociates to form two ions
  4. a solution in which water is the solvent
  5. a chemical reaction in which a reactant gains one or more electrons, becoming more negative in charge
  6. a chemical reaction in which a reactant loses one or more electrons
  7. adhesive substance, heat, or pressure
  8. a pure substance that is made up of two or more elements
  9. chemical that neutralizes small amounts of acids or bases added to a solution
  10. The ability to do work

22 Clues: The ability to do work • The simplest particle of an element • adhesive substance, heat, or pressure • a solution in which water is the solvent • anything that occupies space and has mass • high-energy particles with very little mass • a subatomic particle with a positive charge • a subatomic particle with no electrical charge • ...

Unit 2 vocab 2024-09-18

Unit 2 vocab crossword puzzle
Across
  1. Sugar or Starch
  2. Region on enzyme where the substrate binds and the reactions occurs
  3. 2 molecules release water when combined
  4. Chemical reaction that breaks down a compound by adding water
  5. Small molecule that joins other molecules to from polymer
  6. 2 opposite ends with + and - charges
  7. Simpliest form of a carb
  8. Basic unit of nucleic acids.
  9. Carb containing long chains of monosaccharides
  10. Long hydrocarbon chain with a carboxyl group
  11. A hydrophobic molecule, including fats and oils, used for energy storage and the cell membrane
  12. A large molecule made from many monomers
  13. Single stranded molecule involved in protein synthesis and other processes
  14. Large molecule like DNA or proteins consisting of many atoms
Down
  1. Substance that starts a chemical reaction
  2. weak bond in DNA molecule carbon-based compound a carbon based roundatural compound
  3. molecule that enzymes act
  4. Molecule that provides energy for cellular process
  5. Energy energy needed to start a chemical reaction
  6. Molecule made of Amino acids
  7. The genetic molecule
  8. protein that speeds up biochemical reactions
  9. Lipid with 2 fatty acids phosphate group, and a key in forming cell membranes
  10. chain of amino acids linked together in proteins bonds
  11. Molecules like DNA
  12. acids building blocks of protein
  13. Bond is a chemical bond of shared electrons
  14. link of amino acids
  15. substance that speeds up chemical reaction w/o use up
  16. Result of a chemical reaction

30 Clues: Sugar or Starch • Molecules like DNA • link of amino acids • The genetic molecule • Simpliest form of a carb • molecule that enzymes act • Molecule made of Amino acids • Basic unit of nucleic acids. • Result of a chemical reaction • acids building blocks of protein • 2 opposite ends with + and - charges • 2 molecules release water when combined • ...

Ross Unit 2/ Cells 2022-03-25

Ross Unit 2/ Cells crossword puzzle
Across
  1. the product of the chemical reaction
  2. the basic unit of a chemical element
  3. doesn't like water
  4. makes up the head of the phospholipid molecule
  5. an important part in chemical reactions besides the enzyme
  6. transport requires ATP
  7. permeable allowing certain things in or out
  8. made of macromolecules
  9. multicelluar or unicelluar
  10. system made up of organs
  11. molecules move naturaly
Down
  1. likes water
  2. made up of tissues
  3. Energy energy needed to perform chemical reactions
  4. transport doesn't require ATP
  5. a group of atoms bonded together
  6. made of specialized cells
  7. site where the substrate attaches to the enzyme
  8. where the enzyme has been changed and the chemical reaction no longer works
  9. the basic unit of life
  10. proteins that speed up chemical reactions
  11. the diffusion of water across the cell membrane

22 Clues: likes water • made up of tissues • doesn't like water • transport requires ATP • the basic unit of life • made of macromolecules • molecules move naturaly • system made up of organs • made of specialized cells • multicelluar or unicelluar • transport doesn't require ATP • a group of atoms bonded together • the product of the chemical reaction • the basic unit of a chemical element • ...

chemical reactions 2016-10-23

chemical reactions crossword puzzle
Across
  1. hydrated iron
  2. a chemical reaction that releases energy
  3. a chemical reaction that absorbs energy
  4. chemical produced in a chemical reaction written on the right hand of the arrow
  5. the breakdown of metals due to there reaction with other chemicals
  6. highly combustible chemicals petrol is a mix of it
  7. a process in which chemicals move,caused by different concentrations of the chemical
  8. a biological catalyst that speeds up a reaction
Down
  1. a simple sugar formed by photosynthesis
  2. a reaction that uses oxygen to release energy stored in glucose
  3. chemicals that tale pat in a chemical reaction written on the left side of the arrow
  4. rain that has acids such as nitric acid and sulfuric acid dissolved in it

12 Clues: hydrated iron • a simple sugar formed by photosynthesis • a chemical reaction that absorbs energy • a chemical reaction that releases energy • a biological catalyst that speeds up a reaction • highly combustible chemicals petrol is a mix of it • a reaction that uses oxygen to release energy stored in glucose • ...

Chemical Reactions 2024-12-31

Chemical Reactions crossword puzzle
Across
  1. Reaction type that produces exactly one product
  2. Substance(s) resulting from a chemical reaction
  3. Symbol used to indicate a chemical reaction is occurring
  4. Reaction type where two elements are exchanged in separate compounds (1st word only)
  5. The meaning of the name for the reaction type during which a reactant separates
  6. Another name for the reaction type during which reactants are added together
  7. Substance(s) at the start of a chemical reaction
  8. Reaction type where one element is exchanged for another in a compound (1st word only)
Down
  1. The term for a compound that contains the elements C and H
  2. A process during which atoms of substances are rearranged to form new substances
  3. The reactant that must be included in a combustion reaction
  4. Written expression that shows formulas and quantities of substances in a reaction
  5. Reaction type that has exactly one reactant
  6. Another word that means element(s) “trade places”
  7. Reaction type that always involves burning and the elements C, H, and O

15 Clues: Reaction type that has exactly one reactant • Reaction type that produces exactly one product • Substance(s) resulting from a chemical reaction • Substance(s) at the start of a chemical reaction • Another word that means element(s) “trade places” • Symbol used to indicate a chemical reaction is occurring • The term for a compound that contains the elements C and H • ...

Chemistry Crossword by Caitlin Garcia 2024-02-26

Chemistry Crossword by Caitlin Garcia crossword puzzle
Across
  1. A type of bond where electrons are transferred from one atom to another.
  2. A substance that changes color in response to the presence of an acid or a base.
  3. The smallest unit of an element, composed of protons, neutrons, and electrons.
  4. A bond formed by the sharing of electrons between atoms.
  5. A substance that increases the rate of a chemical reaction without being consumed in the reaction.
  6. The process in which a liquid becomes a gas at a temperature below its boiling point.
  7. A substance that speeds up a chemical reaction by lowering the activation energy.
  8. A substance that slows down a chemical reaction.
  9. The temperature at which a substance changes from a liquid to a gas.
  10. A pure substance made of only one type of atom.
Down
  1. A measure of how much solute is dissolved in a solvent.
  2. The force of attraction between opposite electric charges.
  3. The smallest particle of an element that retains the chemical properties of that element.
  4. A substance formed by the chemical combination of two or more elements in definite proportions.
  5. A homogeneous mixture composed of two or more substances.
  6. The smallest unit of a compound that retains its chemical properties.
  7. The process by which a substance is transformed into one or more new substances with different properties.
  8. The study of the nature and behavior of matter and energy.
  9. A compound that donates hydrogen ions when dissolved in water.
  10. The amount of matter in an object.

20 Clues: The amount of matter in an object. • A pure substance made of only one type of atom. • A substance that slows down a chemical reaction. • A measure of how much solute is dissolved in a solvent. • A bond formed by the sharing of electrons between atoms. • A homogeneous mixture composed of two or more substances. • ...

Year 9-10 Science Week Crossword 2022-08-09

Year 9-10 Science Week Crossword crossword puzzle
Across
  1. An added substance to a chemical reaction that is not consumed, to help speed up the reaction
  2. The quality of a sound wave that quantifies its volume
  3. Nerve cell
  4. Plant process that converts light and water to energy
  5. Chemical reaction between aqueous substances that forms a solid product
  6. Change in velocity over time
  7. Same element with different number of neutrons
  8. Positively charged ion
  9. Non-living factors that affect an environment
  10. A living thing
Down
  1. Hot fluid under the Earth
  2. Chemical reaction that releases heat
  3. The variable that we measure
  4. Force multiplied by displacement
  5. Explosion of a star
  6. Unit of measurement for force
  7. Inheritance pattern of a trait in a family
  8. Outer layer of the Earth
  9. His law relates voltage, current and resistance

19 Clues: Nerve cell • A living thing • Explosion of a star • Positively charged ion • Outer layer of the Earth • Hot fluid under the Earth • The variable that we measure • Change in velocity over time • Unit of measurement for force • Force multiplied by displacement • Chemical reaction that releases heat • Inheritance pattern of a trait in a family • ...

science crossword 2022-01-18

science crossword crossword puzzle
Across
  1. the substance produced as a result of a chemical reaction
  2. a reaction that releases energy and becomes warm
  3. A symbolic representation of a chemical reaction
  4. the altering of an chemical composition by rearranging the atoms
  5. a substance that undergoes an chemical change in a chemical reaction
Down
  1. a reaction that takes in energy and becomes cold
  2. a solid that forms during a chemical reaction
  3. a chemical reaction that makes one molecule from two or more
  4. a chemical reaction that produces more reactant molecules than it started with
  5. a chemical reaction that exchanges two or more atoms between molecules

10 Clues: a solid that forms during a chemical reaction • a reaction that takes in energy and becomes cold • a reaction that releases energy and becomes warm • A symbolic representation of a chemical reaction • the substance produced as a result of a chemical reaction • a chemical reaction that makes one molecule from two or more • ...

Vocabulary Crossword 2022-01-24

Vocabulary Crossword crossword puzzle
Across
  1. A substance that undergoes a chemical change in a chemical reaction.
  2. A symbolic representation of a chemical reaction.
  3. A solid that forms during a chemical reaction.
  4. The altering of an object's chemical composition by rearranging the atoms.
Down
  1. A reaction that releases energy; it becomes warm or hot
  2. A chemical reaction that produces more reactant molecules than it started with.
  3. The substance produced as a result of a chemical reaction
  4. A chemical reaction that makes one molecule from two or more.
  5. A reaction that takes in energy; it becomes cold.
  6. A chemical reaction that exchanges two or more atoms between molecules

10 Clues: A solid that forms during a chemical reaction. • A reaction that takes in energy; it becomes cold. • A symbolic representation of a chemical reaction. • A reaction that releases energy; it becomes warm or hot • The substance produced as a result of a chemical reaction • A chemical reaction that makes one molecule from two or more. • ...

Chemical Reactions 2024-01-15

Chemical Reactions crossword puzzle
Across
  1. biological catalyst
  2. speeds up or slows down a reaction
  3. two substances exchange
  4. participates in a chemical reaction
  5. one element takes place of another
  6. reaction with oxygen
  7. single substance breaks into 2 or more
Down
  1. represents a chemical reaction
  2. chemical change
  3. forms in a chemical reaction
  4. two substances combine one

11 Clues: chemical change • biological catalyst • reaction with oxygen • two substances exchange • two substances combine one • forms in a chemical reaction • represents a chemical reaction • speeds up or slows down a reaction • one element takes place of another • participates in a chemical reaction • single substance breaks into 2 or more

vocab 2024-11-04

vocab crossword puzzle
Across
  1. The amount of a substance that contains 6.02 x 1023 particles of that substance
  2. The speed at which reactants are converted in products
  3. Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  4. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
  5. Gain of electrons
  6. Is a substance that is formed as the result of a chemical reaction.
  7. A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  8. A substance that slows down or prevents a particular chemical reaction or other process, or that reduces the activity of a particular reactant, catalyst, or enzyme.
  9. A type of lettering form written lower than the things around it. In chemical formulas the number of atoms in a molecule is written in this manner
  10. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  11. Mass in grams of one mole of a substance
Down
  1. Loss of Electrons
  2. for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
  3. A substance that takes part in and undergoes change during a reaction
  4. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  5. A representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
  6. A chemical reaction that releases energy in the form of light or heat
  7. Are those which absorb energy from the surroundings and result in a net decrease in temperature

18 Clues: Loss of Electrons • Gain of electrons • Mass in grams of one mole of a substance • The speed at which reactants are converted in products • Is a substance that is formed as the result of a chemical reaction. • A substance that takes part in and undergoes change during a reaction • A chemical reaction that releases energy in the form of light or heat • ...

Chapter 17 2013-05-02

Chapter 17 crossword puzzle
Across
  1. ______ rate constant
  2. reaction multiple reactions
  3. catalyst different kinds
  4. etaidemretni
  5. complex temporary, unstable
  6. state forms reactants first
  7. ________ mechanism
Down
  1. catalyst same kind
  2. of initial rates hetmdo fo ainilti erats
  3. accelerates chemical reaction
  4. theory states that atoms, ions, and molecules must collide to react.
  5. rate quick rate
  6. decreases rate of chemical reaction
  7. energy a minimum amount of energy
  8. aetr

15 Clues: aetr • etaidemretni • rate quick rate • catalyst same kind • ________ mechanism • ______ rate constant • catalyst different kinds • reaction multiple reactions • complex temporary, unstable • state forms reactants first • accelerates chemical reaction • energy a minimum amount of energy • decreases rate of chemical reaction • of initial rates hetmdo fo ainilti erats • ...

chapter 17 2013-05-02

chapter 17 crossword puzzle
Across
  1. catalyst same kind
  2. state forms reactants first
  3. reaction multiple reactions
  4. ________ mechanism
  5. accelerates chemical reaction
  6. rate quick rate
  7. ______ rate constant
  8. aetr
  9. energy a minimum amount of energy
  10. decreases rate of chemical reaction
Down
  1. catalyst different kinds
  2. theory states that atoms, ions, and molecules must collide to react.
  3. of initial rates hetmdo fo ainilti erats
  4. etaidemretni
  5. complex temporary, unstable

15 Clues: aetr • etaidemretni • rate quick rate • catalyst same kind • ________ mechanism • ______ rate constant • catalyst different kinds • state forms reactants first • reaction multiple reactions • complex temporary, unstable • accelerates chemical reaction • energy a minimum amount of energy • decreases rate of chemical reaction • of initial rates hetmdo fo ainilti erats • ...

tacotacotaco 2015-11-25

tacotacotaco crossword puzzle
Across
  1. neutral particle of an atom
  2. gas to liquid
  3. gas to solid
  4. positively charged particle of an atom
  5. formed with one metal and one non-metal
  6. new material produced by the reaction
  7. vertical column of the periodic table(also called a family)
  8. group 1 element
  9. formed with two non-metals
  10. a chemical reaction that takes place in the cells in your body
  11. the basic unit of a chemical element.
  12. takes place when two or more substances combine to form new substances.
  13. solid to gas
  14. negatively charged particle of an atom
  15. group 17 element
  16. horizontal row of the periodic table
Down
  1. liquid to gas(vaporization)
  2. slow chemical change that occurs when oxygen in the air reacts with a metal
  3. the total mass of the reactants and the total mass of the products are equal
  4. a chemical reaction that occurs when oxygen reacts with a substance to from a new substances and give off energy
  5. gases group 18 element
  6. substances that help a reaction proceed faster
  7. material at the start of a reaction
  8. have both metallic and non-metallic properties
  9. The Workplace Hazardous Materials Information System

25 Clues: gas to solid • solid to gas • gas to liquid • group 1 element • group 17 element • gases group 18 element • formed with two non-metals • liquid to gas(vaporization) • neutral particle of an atom • material at the start of a reaction • horizontal row of the periodic table • new material produced by the reaction • the basic unit of a chemical element. • ...

Biochemistry 2020-09-20

Biochemistry crossword puzzle
Across
  1. short term energy storage
  2. reaction that breaks down molecules
  3. of substance
  4. enzyme after a reaction has occurred
  5. of proteins
  6. transport genetic information
  7. stores genetic information
  8. long term energy storage and membrane
  9. of nucleic acids
Down
  1. large molecule
  2. monomer of lipids
  3. used in chemical reactions
  4. increases rate
  5. complex sugar
  6. and under goes change
  7. reaction that builds new molecules from small
  8. containing carbon
  9. bond- chemical bond between amine acids
  10. change shape
  11. monomers linked together
  12. energy required to start a reaction
  13. simple sugar
  14. used for structure
  15. building block

24 Clues: of proteins • of substance • change shape • simple sugar • complex sugar • large molecule • increases rate • building block • of nucleic acids • monomer of lipids • containing carbon • used for structure • and under goes change • monomers linked together • short term energy storage • used in chemical reactions • stores genetic information • transport genetic information • ...

Cell energy crossword 2022-04-10

Cell energy crossword crossword puzzle
Across
  1. Where chlorophyll is found
  2. Energy being released from chemical reaction
  3. Where Krebs cycle and ETC take place
  4. Requires oxygen
  5. Opening on leaf where plants exchange gases
  6. Reaction that takes larger molecules and breaks them down to smaller ones
  7. Reflects orange and yellow
  8. b Reflects yellow
  9. cycle AKA dark reaction
  10. What photosynthesis is stored as
Down
  1. Reaction that makes larger molecules from smaller ones
  2. Does not require oxygen
  3. Process where plants and plant like organisms make their energy from sunlight
  4. acid Type of fermentation that makes muscles tired
  5. Abbreviation for Adenosine Triphosphate
  6. Where glycolysis takes place
  7. Type of fermentation that produces ethanol
  8. a Reflects green
  9. Energy entering during chemical reaction
  10. Folds inside Mitochondria
  11. Occurs when O2 is not present

21 Clues: Requires oxygen • a Reflects green • b Reflects yellow • Does not require oxygen • cycle AKA dark reaction • Folds inside Mitochondria • Where chlorophyll is found • Reflects orange and yellow • Where glycolysis takes place • Occurs when O2 is not present • What photosynthesis is stored as • Where Krebs cycle and ETC take place • Abbreviation for Adenosine Triphosphate • ...

Chemistry Vocabulary 2025-04-30

Chemistry Vocabulary crossword puzzle
Across
  1. reaction that is usually cold
  2. change when a substance changed into another
  3. something that has 2 or more elements
  4. absorbs heat and energy
  5. how hot or cold something
  6. To do something or work
  7. When you touch a pan you feel what
  8. amount of matter something has
  9. The basic unit
  10. property Looks, weight,shape
  11. The type of science were learning about right now
  12. atoms bonded together
Down
  1. The original chemicals in the reaction
  2. A substance made from mixing things together
  3. The attraction force between molecules
  4. The amount of space something takes up
  5. Speeds up a chemical reaction
  6. Has a weight and takes of space
  7. change a change in appearance
  8. property how a substance can react or change
  9. the outcome or reaction to an situation
  10. the result of an action

22 Clues: The basic unit • atoms bonded together • absorbs heat and energy • To do something or work • the result of an action • how hot or cold something • property Looks, weight,shape • reaction that is usually cold • Speeds up a chemical reaction • change a change in appearance • amount of matter something has • Has a weight and takes of space • When you touch a pan you feel what • ...

Chemistry Ch 16 & 17 Review 2022-03-16

Chemistry Ch 16 & 17 Review crossword puzzle
Across
  1. the study of the transfer of energy as heat that accompany chemical reactions and physical changes
  2. used to measure the energy absorbed or released as heat in a chemical or physical change
  3. the power to which a reactant concentration is raised is called the (blank) in that reactant
  4. the amount of energy required to raise the temperature of 1g of a substance by 1 degree celsius is the (blank) heat
  5. the enthalpy change that occurs when one mole of a compound is formed from its elements in their standard state is the (blank) enthalpy of formation
  6. absorbs heat
  7. the overall enthalpy change in a reaction is equal to the sum of enthalpy for the individual steps in a process is whose law?
  8. a measure of the average kinetic energy of the particles in a sample of matter
  9. the step-by-step sequence of reactions by which the overall chemical change occurs
  10. species that appear in some steps but not in the net equation
  11. the change in concentration of reactants per unit time as a reaction proceeds is the reaction (blank)
  12. the area of chemistry that is concerned with reaction rates and reaction mechanisms is called chemical (blank)
  13. an equation that relates reaction rate and concentrations of reactants is called the rate (blank) for the reaction
Down
  1. the minimum energy required to transform the reactant into an activated complex
  2. this slowest-rate step is called the rate-(blank) step for the chemical reaction
  3. the amount of energy absorbed by a system as the heat during a process at constant pressure is the (blank) change
  4. a reaction whose reactants and products exist in a single phase
  5. the combined enthalpy-entropy function of the system; also called Gibbs (blank) energy
  6. the action of a catalyst
  7. the SI unit of heat as well as all other forms of energy
  8. an equation that includes the quantity of energy released or absorbed as head during the reaction as written
  9. the enthalpy change that occurs during the complete combustion of one mole of a substance is the enthalpy of (blank)
  10. a reaction where the reactants are in two different phases
  11. releases heat
  12. the energy transferred between samples of matter because of the difference in their temperatures
  13. a measure of the degree of randomness of the particles, such as molecules, in a system
  14. a substance that changes the rate of a chemical reaction without itself being permanently consumed
  15. the set of assumptions regarding collisions and reactions

28 Clues: absorbs heat • releases heat • the action of a catalyst • the SI unit of heat as well as all other forms of energy • the set of assumptions regarding collisions and reactions • a reaction where the reactants are in two different phases • species that appear in some steps but not in the net equation • a reaction whose reactants and products exist in a single phase • ...

Chemical Reactions and Equations 2023-11-06

Chemical Reactions and Equations crossword puzzle
Across
  1. New substances formed as a result of a chemical reaction
  2. loss of oxygen or gain of hydrogen.
  3. A insoluble solid that is produced as result of a chemical reaction.
  4. A chemical reaction that releases energy to its surroundings
  5. A substance that affects the rate of a chemical reaction without being used up in the reaction
  6. A chemical reaction that absorbs energy from its surroundings
Down
  1. When one reactant gets oxidized while the other gets reduced during a reaction. Such reactions are called as.
  2. A chemical reaction in which a compound breaks down into two or more simpler substances
  3. Color of copper(II) oxide
  4. Gain of oxygen or loss of hydrogen.
  5. Substances that undergo chemical change in the reaction

11 Clues: Color of copper(II) oxide • loss of oxygen or gain of hydrogen. • Gain of oxygen or loss of hydrogen. • Substances that undergo chemical change in the reaction • New substances formed as a result of a chemical reaction • A chemical reaction that releases energy to its surroundings • A chemical reaction that absorbs energy from its surroundings • ...

Interactions of Matter 2018-10-18

Interactions of Matter crossword puzzle
Across
  1. his arrangement of elements became known as the periodic table
  2. elements that have some properties of metals and some properties of nonmetals
  3. number written below and to the right of chemical symbols
  4. positively charged particle
  5. smallest particle into which an element can be divided
  6. at higher ________________, there are more reactants in a given volume
  7. number number of protons in the nucleus of an atom
  8. number placed in front of a chemical formula
  9. gases found in Group 18
  10. able to be formed into different shapes
  11. element from atomic number 90 to atomic number 103
  12. substance formed in a chemical reaction
  13. substance that changes the rate of a chemical reaction without being used up
  14. neutral particle found in the nucleus
  15. small, dense center of an atom
Down
  1. a type of catalyst found in living things
  2. shiny and conduct heat and electricity well
  3. reaction that releases energy
  4. particles move ___________ at higher temperatures
  5. metals found in Group 1
  6. atoms that have the same number of protons but different numbers of neutrons
  7. poor conductors of heat and electricity
  8. substance that participate in a chemical reaction
  9. reaction that required an input of energy
  10. vertical column of elements
  11. symbol abbreviation for an element
  12. negatively charged particle
  13. can be made into wires
  14. horizontal row of elements
  15. number total number of protons and neutrons in an atom’s nucleus

30 Clues: can be made into wires • metals found in Group 1 • gases found in Group 18 • horizontal row of elements • positively charged particle • vertical column of elements • negatively charged particle • reaction that releases energy • small, dense center of an atom • symbol abbreviation for an element • neutral particle found in the nucleus • poor conductors of heat and electricity • ...

Chapter 2 crossword 1 2014-11-18

Chapter 2 crossword 1 crossword puzzle
Across
  1. A homogeneous mixture of two or more substances, which may be solids, liquids, gases, or a combination of these
  2. a positive charge and a mass of about 1 amu
  3. the fixed amount of energy
  4. any chemical reaction that involves the gaining of electrons
  5. the disconnection or separation of something from something else or the state of being disconnected
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  7. a reaction that loses energy during the process of the reaction
  8. a solution containing either a weak acid and a conjugate base or a weak base and a conjugate acid
  9. solution in which the solvent is water
  10. has no charge and a mass that is approximately the same as that of a proton
Down
  1. consists of an oxygen and a hydrogen atom held together by a covalent bond, and carries a negative electric charge
  2. the maximum amount of solvent has been dissolved
  3. a chemical substance that neutralizes alkalis, dissolves some metals
  4. anything that has mass
  5. Mental strength of an organism
  6. include all chemical reactions in which atoms have their oxidation state changed
  7. Material made up of two or more parts or elements Electron
  8. bonding between a non-metal and a metal
  9. a substance that takes part in and undergoes change during a reaction.
  10. That which binds, ties, fastens,or confines
  11. the basic unit of a chemical element

21 Clues: anything that has mass • the fixed amount of energy • Mental strength of an organism • the basic unit of a chemical element • solution in which the solvent is water • bonding between a non-metal and a metal • a positive charge and a mass of about 1 amu • That which binds, ties, fastens,or confines • the maximum amount of solvent has been dissolved • ...

MarissaMartin 2016-10-12

MarissaMartin crossword puzzle
Across
  1. these change the rate of chemical reactions
  2. some chemical reactions can be ______.
  3. when reaction and it's reverse act as the same rate
  4. 2 individuals switched to different "teams"
  5. take 2 individual elememts not combined, then they undergo the chemical reaction become a compound
  6. the energy stored in molecules that can be released diring a reaction
  7. energy transfers from reactants to surroundings usually as heat
  8. type of energy that must be added to break bonds
  9. oxides on the product side of arrow
  10. a substance that undergoes a chemical change
Down
  1. Chemical reactions change the _____.
  2. one individual ina compound leaves to another chemical compound
  3. a substance that is the result of the chemical change
  4. start as a compound, go through chemical change, come out as individuals
  5. energy is transferred to reactants from surroundings, usually cool
  6. a chemical that donates a hydrogen ion.

16 Clues: oxides on the product side of arrow • Chemical reactions change the _____. • some chemical reactions can be ______. • a chemical that donates a hydrogen ion. • these change the rate of chemical reactions • 2 individuals switched to different "teams" • a substance that undergoes a chemical change • type of energy that must be added to break bonds • ...

Chemical Reaction 2023-02-09

Chemical Reaction crossword puzzle
Across
  1. molecule found in Westfields water
  2. an ending substance that is made during a chemical reaction
  3. to change the order or position of something
  4. a group of atoms joined together in a particular way
  5. the tiny pieces that all matter—all the stuff in the world—is made of
Down
  1. something that is made of all the same atoms or groups of atoms
  2. something that can be observed about a substance, such as color, smell, or boiling point
  3. a starting substance that is part of a chemical reaction

8 Clues: molecule found in Westfields water • to change the order or position of something • a group of atoms joined together in a particular way • a starting substance that is part of a chemical reaction • an ending substance that is made during a chemical reaction • something that is made of all the same atoms or groups of atoms • ...

chemical reaction 2025-10-15

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

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 • ...

6.2 ~ "Chemical Reactions" 2022-12-06

6.2 ~ "Chemical Reactions" crossword puzzle
Across
  1. Chemical reaction in which heat energy is absorbed
  2. The starting substances in a chemical reaction (on the left side of the arrow in a chemical equation)
  3. A substance that lowers the activation energy needed to start a chemical reaction
  4. Chemical reaction in which heat energy is released
  5. These are broken and/or formed during chemical reactions
Down
  1. The minimum amount of energy needed for reactants to form products in a chemical reaction is the ______ energy
  2. The number written in front of a reactant or product in a chemical equation to balance the equation
  3. Chemical equations have to balance because matter cannot be created or _________
  4. The substances formed during a chemical reaction (on the right side of the arrow in a chemical equation)
  5. Special proteins that speed up the rate of chemical reactions in biological processes
  6. The process by which atoms or groups of atoms in substances are reorganized into different substances is a chemical _______

11 Clues: Chemical reaction in which heat energy is absorbed • Chemical reaction in which heat energy is released • These are broken and/or formed during chemical reactions • Chemical equations have to balance because matter cannot be created or _________ • A substance that lowers the activation energy needed to start a chemical reaction • ...

Chapter 6 Metabolism Energy and Enzymes 2024-03-08

Chapter 6 Metabolism Energy and Enzymes crossword puzzle
Across
  1. A substance that is formed as the result of a chemical reaction
  2. The minimum quantity of energy which the reacting species must possess in order to undergo a specific reaction
  3. A molecules that is involved in transferring and providing cells with energy
  4. A substance that acts as a catalyst in living organisms
  5. A chemical reactions where the change in the free energy is negative
  6. The source of energy for use and storage at the cellular level
  7. The breakdown of complex molecules in living organisms to form simpler ones
  8. The specific region of an enzyme where a subtrate binds and catalysis takes place where chemical reactions occur
  9. A non-Protein chemical compound that is bound to a protein and is required for the proteins biological activity
  10. Energy which a body possesses by virtue of being in motion
  11. A biochemical process in metabolism where the simple molecules combine to generate complex molecules
  12. Energy is the capacity for doing work
  13. The whole sum of reactions that occur throughout the body within each cell
  14. A molecule required by a particular enzyme to carry out catalysis of a chemical
  15. A subtrate binds to an active site and both change shape slightly, creating an ideal fit for catalysis
  16. The energy possessed by a body by a virtue of it;s position relative to others, stresses within itself, electric charge, and other factors
  17. Organic substances that are generally classified as either fat soluble or water soluble
Down
  1. reaction that involves the transfer of electrons between chemical species
  2. A reaction in which energy is absorbed
  3. The cellular machinery responsible for making proteins
  4. A chemical reactions having a common intermediate in which energy is transferred from one side of the reaction to others
  5. Substances initially present in a chemical reaction that are consumed during the reaction
  6. Occurs when certain substances called inhibition, bind to and inactivate enzymes
  7. A set of scientific laws which define a group of physical quantities
  8. The chemical reactions in the bodies cells that change food into energy
  9. A thermodynamic quantity representing the unavailability of a systems thermal energy for conversion into mechanical work
  10. A thermodynamics quantity equivalent to the capacity of a system to do work

27 Clues: Energy is the capacity for doing work • A reaction in which energy is absorbed • The cellular machinery responsible for making proteins • A substance that acts as a catalyst in living organisms • Energy which a body possesses by virtue of being in motion • The source of energy for use and storage at the cellular level • ...

Nature of Chemical Reactions 2024-12-28

Nature of Chemical Reactions crossword puzzle
Across
  1. A reaction where the reactants, an element and a compound, takes the place of another element in a compound.
  2. An oxidation reaction of an organic compound that releases heat.
  3. In this kind of reaction, a single compound breaks down to form two or more simpler substances.
  4. The process in which an electric current is used to produce a chemical reaction, such as the decomposition of water is known as?
  5. Reactions that release energy are?
Down
  1. When a chemical reaction takes place the results are _______________ from the substances you started with
  2. What forms when gas is produced during a reaction?
  3. What are the substances you end up with known as?
  4. the energy released when a chemical compound reacts to produce new compounds is _________ energy.
  5. Reactants turn into products by rearranging these...
  6. Reactions that absorb energy are?
  7. What is released when a reaction produces heat or light?
  8. The substances you start with are known as?
  9. In this kind of reaction, 2 or more substances combine to form a new compound.
  10. A reaction in which a gas, a solid, or a molecular compound forms from the exchange of atoms or ions between two compounds. Two things will replace each other.
  11. What forms when a new solid substance appears in a liquid mixture during a reaction?

16 Clues: Reactions that absorb energy are? • Reactions that release energy are? • The substances you start with are known as? • What are the substances you end up with known as? • What forms when gas is produced during a reaction? • Reactants turn into products by rearranging these... • What is released when a reaction produces heat or light? • ...

ipc unit 4 vocab -mel reyes 2021-10-22

ipc unit 4 vocab -mel reyes crossword puzzle
Across
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. an arrow that is placed after the reactant or reactants.
  3. reaction a chemical reaction in which one element replaces another in a compound.
  4. a character, usually a letter or number, that's printed slightly below and to the side of another character.
  5. a substance that enters into and is altered in the course of a chemical reaction.
  6. reaction occur when parts of two ionic compounds are exchanged, making two new compounds.
  7. a constant term related to the properties of a product.
  8. identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.
Down
  1. states that in a chemical reaction mass is neither created nor destroyed.
  2. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
  3. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
  4. a substance that is present at the end of a chemical reaction.
  5. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.

13 Clues: a constant term related to the properties of a product. • an arrow that is placed after the reactant or reactants. • a substance that is present at the end of a chemical reaction. • states that in a chemical reaction mass is neither created nor destroyed. • a reaction in which a compound breaks down into two or more simpler substances. • ...

Enzymes 2021-10-22

Enzymes crossword puzzle
Across
  1. enzyme has bound to substrate
  2. enzyme ___ determines its activity
  3. Enzymes are an example of a functional ___
  4. enzymes end in ___
  5. coenzymes are ___ molecules that are required by certain enzymes to carry out the chemical reaction.
  6. site on enzyme able to bond to a substrate
  7. forms a ccovalent bond with an enzyme, permanently blocking the substrate
  8. theory that the active site is rigidly shaped for one substrate
  9. ___ are organic catalysts
  10. substance that speeds up a chemical reaction
  11. must be held constant in order for the enzyme to properly function
  12. model where enzymes are partially flexible
Down
  1. cofactors are often classified as ___ substances
  2. measures random molecular motion
  3. forms temporary bond with enzyme that slows the reaction rate
  4. Increase the rate of enzyme catalyzed reactions
  5. slow the rate of enzyme catalyzed reactions
  6. inhibitor that competes for the enzyme's active site
  7. reactant in an enzyme-substrate reaction
  8. final result of a chemical reaction

20 Clues: enzymes end in ___ • ___ are organic catalysts • enzyme has bound to substrate • measures random molecular motion • enzyme ___ determines its activity • final result of a chemical reaction • reactant in an enzyme-substrate reaction • Enzymes are an example of a functional ___ • site on enzyme able to bond to a substrate • model where enzymes are partially flexible • ...

Chemistry Crossword 2014-05-14

Chemistry Crossword crossword puzzle
Across
  1. a numerical scale ranging from 0-14 that is used to compare the acidity of solutions
  2. The rapid reactions of a substance with oxygen to produce oxides and energy
  3. The breakdown of a metal resulting from reactions with chemicals in its environment
  4. A molecule consisting of only two atoms of either the same or different elements
  5. A reaction in which a larger or more complex molecule breaks down to form two (or more) simpler products
  6. A bond that results from the sharing of outer electrons between non-metal atoms
  7. A solid formed from the reaction of 2 solutions
  8. An aqueous solution that conducts electricity, tastes sour, turns blue litmus red, and neutralizes bases
  9. The elements in the 17th column of the periodic table
  10. A chemical, present at the start of a chemical reaction, that is used up during the reaction
Down
  1. A particle in which atoms are joined by covalent bonds
  2. A measure of how acidic or basic a solution is
  3. Neither acidic nor basic
  4. A way of describing a chemical reaction using the chemical formulas of the reactants and products
  5. A charged particle that results when an atom gains or loses one or more electrons
  6. A row of elements in the periodic table
  7. A chemical that is produced during a chemical reaction
  8. A column of elements in the periodic table with similar products
  9. An aqueous solution that conducts electricity and turns red litmus blue
  10. A description of what a substance does as it changes into one or more new substance(s)
  11. An ion made up of more than 1 atom that acts as a single particle
  12. A compound that separates into ions when it dissolves in water, producing a solution that conducts electricity

22 Clues: Neither acidic nor basic • A row of elements in the periodic table • A measure of how acidic or basic a solution is • A solid formed from the reaction of 2 solutions • The elements in the 17th column of the periodic table • A particle in which atoms are joined by covalent bonds • A chemical that is produced during a chemical reaction • ...

Chemistry 2019-11-08

Chemistry crossword puzzle
Across
  1. Two or more substances combined
  2. A combination of symbols that represent a compound and the amount
  3. One or two letters that represent an element
  4. Pure substances formed by the combination of a metal and a non-metal
  5. One type of matter
  6. Arranged elements in the periodic table according to their properties
  7. Subatomic particle with a positive electrical charge
  8. In a chemical reaction the total mass of the reactants is equal to the total mass of the products
  9. First chemistry text
  10. Average mass of an element
  11. A chemical reaction which absorbs heat energy
  12. Cloudy mixture that cannot be separated
  13. Number of protons an element has
  14. Subatomic particle with a negative electrical charge
  15. A new substance produced in a chemical reaction
Down
  1. Substance made up of only one type of matter
  2. A substance that reacts with other substances in a chemical reaction
  3. Pure substances formed by the combination of two non-metals
  4. When two or more substances react to form a new substance
  5. Cloudy mixture that can be separated
  6. Two or more substances in which the different substances are easy to see
  7. Two or more pure substances that look like one substance
  8. Chemical combination
  9. A chemical change which releases heat energy
  10. Subatomic particle with no charge

25 Clues: One type of matter • First chemistry text • Chemical combination • Average mass of an element • Two or more substances combined • Number of protons an element has • Subatomic particle with no charge • Cloudy mixture that can be separated • Cloudy mixture that cannot be separated • Substance made up of only one type of matter • One or two letters that represent an element • ...

Biology Key Word Crossword 2025-05-05

Biology Key Word Crossword crossword puzzle
Across
  1. what is made in a chemical reaction
  2. process between DNA and RNA in the Central Dogma
  3. a process that turns DNA into protien
  4. small particles that are important to living things
  5. how plants breathe
  6. smallest structure that biomolecules can be broken down to
  7. having to do with the enviroment and earth
  8. the process between RNA and Protien in the Central dogma
  9. what you start with in a chemical reaction
  10. a process that the cell goes through
  11. chemical reaction that doesn't need oxygen
  12. convert the sun's energy into chemical energy
  13. maintaining a stable condition
  14. sexual reproduction
Down
  1. how a species changes over time
  2. multiple monomers connected toghether
  3. power house of the cell
  4. The structural enteties within the cell nucleus that have DNA
  5. organisms that need energy to make their own food
  6. how animals breathe
  7. not being affected b something and being able to fight it off
  8. what the purpose of something is
  9. chemical reaction that does need oxgen
  10. what soemthing looks like
  11. a piece of DNA
  12. traits passed down from parents
  13. asexual reproduction
  14. what makes a plant green
  15. the characteristics that change or disrupt a function
  16. speed up chemical reactions

30 Clues: a piece of DNA • how plants breathe • how animals breathe • sexual reproduction • asexual reproduction • power house of the cell • what makes a plant green • what soemthing looks like • speed up chemical reactions • maintaining a stable condition • how a species changes over time • traits passed down from parents • what the purpose of something is • what is made in a chemical reaction • ...

Science 2018-02-05

Science crossword puzzle
Across
  1. / Two or more substances that are physically combined
  2. / Made of one type of atom
  3. / more than one atom
  4. / The new substance that is formed in a chemical reaction.
  5. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  6. / Visibly different substances
Down
  1. / Anything that has mass or volume
  2. / Two or more atoms
  3. / All substances are the same throughout
  4. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  5. Property / Observable,can be measured
  6. Reaction / Causes chemical change when one or more substances change to form one or more new substances.

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / Visibly different substances
  2. / All substances are the same throughout
  3. Reaction / Causes chemical change when one or more substances change to form one or more new substances.
  4. / more than one atom
  5. Property / Observable,can be measured
  6. / Two or more atoms
  7. / Anything that has mass or volume
Down
  1. / Two or more substances that are physically combined
  2. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  3. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  4. / The new substance that is formed in a chemical reaction.
  5. / Made of one type of atom

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  2. / All substances are the same throughout
  3. / Visibly different substances
  4. / Two or more atoms
  5. Property / Observable,can be measured
  6. Reaction / Causes chemical change when one or more substances change to form one or more new substances.
  7. / The new substance that is formed in a chemical reaction.
Down
  1. / Two or more substances that are physically combined
  2. / Anything that has mass or volume
  3. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  4. / more than one atom
  5. / Made of one type of atom

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / Two or more substances that are physically combined
  2. / Visibly different substances
  3. / more than one atom
  4. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  5. Reaction / Causes chemical change when one or more substances change to form one or more new substances.
  6. / The new substance that is formed in a chemical reaction.
  7. / Made of one type of atom
Down
  1. / All substances are the same throughout
  2. / Anything that has mass or volume
  3. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  4. / Two or more atoms
  5. Property / Observable,can be measured

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Unit 9 Vocab 2026-03-18

Unit 9 Vocab crossword puzzle
Across
  1. Process by which the atoms of one or more substances are rearranged to form different substances
  2. The substance that gets dissolved in a solution
  3. When 1 reactant breaks down into 2 or more products
  4. Chemical reactions that release energy in the form of heat
  5. The substance that does the dissolving in a solution (usually a liquid like water).
  6. One element replaces a similar element in a compound
  7. Tells us the number of each substance needed
  8. A change in a substance that affects its chemical properties thus a chemical reaction occurs and a new substance is formed.
  9. The minimum amount of energy needed to start a chemical reaction.
  10. 2 or more reactants combine to make 1 product
  11. Chemical reactions that absorb energy
  12. Matter can neither be created or destroyed, it can only change forms. "Law of (3 Words)"
Down
  1. Ending substances; what is made.
  2. A combination of two or more substances that are not chemically bonded and can be separated
  3. Chemical reactions that absorb energy in the form of heat
  4. Two ionic compound reactants switch ions, forming two new ionic compound products
  5. A type of mixture where one substance is evenly dissolved into another (like salt in water).
  6. A change in a substance that only affects its physical properties.
  7. How quickly a reaction will take place
  8. A substance that speeds up a chemical reaction without being used up.
  9. Chemical reactions that release energy
  10. When something is burned
  11. Starting substances; “ingredients”

23 Clues: When something is burned • Ending substances; what is made. • Starting substances; “ingredients” • Chemical reactions that absorb energy • How quickly a reaction will take place • Chemical reactions that release energy • Tells us the number of each substance needed • 2 or more reactants combine to make 1 product • The substance that gets dissolved in a solution • ...

Nate Brighton Chapter 13 2016-10-12

Nate Brighton Chapter 13 crossword puzzle
Across
  1. The process by which a reactant loses one or more electrons
  2. A substance that donates hydrogen ions
  3. A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
  4. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  5. Description of a chemical reaction in which there is a net release in energy
  6. New materials formed in a chemical chemical reaction
  7. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
Down
  1. ion A polyatomic ion made by adding a proton to a water molecule
  2. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
  3. Description of a chemical reaction in which there is a net absorption of energy
  4. ion A polyatomic ion made by removing a proton from a water molecule
  5. A substance that accepts hydrogen ions
  6. The process by which a reactant gains one or more electrons
  7. A measure of acidity of a solution
  8. An ionic compound commonly formed from the reaction between an acid and a base

15 Clues: A measure of acidity of a solution • A substance that accepts hydrogen ions • A substance that donates hydrogen ions • New materials formed in a chemical chemical reaction • The process by which a reactant loses one or more electrons • The process by which a reactant gains one or more electrons • ion A polyatomic ion made by adding a proton to a water molecule • ...

Chemistry Vocabulary 2025-05-09

Chemistry Vocabulary crossword puzzle
Across
  1. Type of bond formed by sharing electrons
  2. physical blend of two or more substances
  3. table Chart organizing elements by atomic number and properties
  4. Center of an atom containing protons and neutrons
  5. Atoms of the same element with different neutrons
  6. Negatively charged particle
  7. Element with properties of metals and nonmetals
  8. Small number showing how many atoms in a compound
  9. Substance formed in a chemical reaction
  10. Electrons in the outermost shell
  11. Basic unit of a chemical element
Down
  1. Definite volume and takes shape of container
  2. type of charge forming new substances
  3. Amount of matter in object
  4. mass per unit
  5. substance present before a chemical reaction
  6. Substance that speeds up a reaction without being consumed
  7. has definite shape and volume
  8. Atom or molecule with a charge
  9. scale used to measure acidity
  10. Mixture of metals

21 Clues: mass per unit • Mixture of metals • Amount of matter in object • Negatively charged particle • has definite shape and volume • scale used to measure acidity • Atom or molecule with a charge • Electrons in the outermost shell • Basic unit of a chemical element • type of charge forming new substances • Substance formed in a chemical reaction • ...

tacotacotaco 2015-11-25

tacotacotaco crossword puzzle
Across
  1. new material produced by the reaction
  2. The Workplace Hazardous Materials Information System
  3. gases group 18 element
  4. substances that help a reaction proceed faster
  5. a chemical reaction that takes place in the cells in your body
  6. negatively charged particle of an atom
  7. takes place when two or more substances combine to form new substances.
  8. formed with one metal and one non-metal
  9. material at the start of a reaction
  10. formed with two non-metals
  11. gas to liquid
  12. horizontal row of the periodic table
Down
  1. gas to solid
  2. the total mass of the reactants and the total mass of the products are equal
  3. have both metallic and non-metallic properties
  4. solid to gas
  5. positively charged particle of an atom
  6. vertical column of the periodic table(also called a family)
  7. a chemical reaction that occurs when oxygen reacts with a substance to from a new substances and give off energy
  8. neutral particle of an atom
  9. group 17 element
  10. group 1 element
  11. liquid to gas(vaporization)
  12. the basic unit of a chemical element.
  13. slow chemical change that occurs when oxygen in the air reacts with a metal

25 Clues: gas to solid • solid to gas • gas to liquid • group 1 element • group 17 element • gases group 18 element • formed with two non-metals • neutral particle of an atom • liquid to gas(vaporization) • material at the start of a reaction • horizontal row of the periodic table • new material produced by the reaction • the basic unit of a chemical element. • ...

Reaction Rate in Chemistry 2022-08-18

Reaction Rate in Chemistry crossword puzzle
Across
  1. By adding this to a reaction it will speed it up
  2. Shaking or stirring
  3. A way to speed up the reaction rate is to increase the c................. of reactants
  4. What is produced in a chemical reaction
  5. The speed at which a reactant disappears or a new product forms
  6. change A sign of a chemical reaction
  7. The more of these will increase the reaction rate
Down
  1. The opposite of dilution
  2. A sign of a chemcial reaction
  3. A smell produced by a chemical reaction
  4. A substance that increases the rates of reaction but does not get used up in the reaction
  5. The substances on the left hand side of a word equation in a chemical reaction
  6. By crushing up the reactant i am reducing

13 Clues: Shaking or stirring • The opposite of dilution • A sign of a chemcial reaction • change A sign of a chemical reaction • A smell produced by a chemical reaction • What is produced in a chemical reaction • By crushing up the reactant i am reducing • By adding this to a reaction it will speed it up • The more of these will increase the reaction rate • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / Made of one type of atom
  2. / Two or more atoms
  3. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  4. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  5. / All substances are the same throughout
  6. Property / Observable,can be measured
Down
  1. / Anything that has mass or volume
  2. / Two or more substances that are physically combined
  3. / more than one atom
  4. / Visibly different substances
  5. / The new substance that is formed in a chemical reaction.
  6. Reaction / Causes chemical change when one or more substances change to form one or more new substances.

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Biology Vocabulary 2019-01-03

Biology Vocabulary crossword puzzle
Across
  1. a compound that releases a proton
  2. A jellylike fluid inside the cell in which the organelles are suspended
  3. a substance made of atoms of different elements bonded together in a certain ratio
  4. a mixture of substances that is the same through-out; a homogeneous mixture
  5. all of the chemical processes that build up or break down materials
  6. the maintenance of constant internal conditions in an organism
  7. the division of the cell nucleus and its contents
  8. the change in living things over time
  9. one particular type of atom that cannot be broken down into a simpler substance by ordinary chemical means
Down
  1. a substance that decreases the activation energy needed to start a chemical reaction. Speeds up a reaction
  2. infectious particle made of a strand of DNA or RNA surrounded by a protein coat
  3. the substances made by a chemical reaction. On the right side of equation
  4. catalysts for chemical reactions in living things.
  5. The powerhouse of the cell. Creates ATP by using chemical energy and oxygen.
  6. any individual living thing
  7. tool that provides an enlarged image of an object
  8. all organisms and the part of Earth where they exist
  9. the substances changed during a chemical reaction. On left side of equation
  10. the smallest basic unit of matter
  11. form of nuclear division that divides a diploid cell into a haploid cell; important in forming gametes for sexual reproduction.

20 Clues: any individual living thing • a compound that releases a proton • the smallest basic unit of matter • the change in living things over time • tool that provides an enlarged image of an object • the division of the cell nucleus and its contents • catalysts for chemical reactions in living things. • all organisms and the part of Earth where they exist • ...

Biology Vocabulary 2019-01-03

Biology Vocabulary crossword puzzle
Across
  1. a substance made of atoms of different elements bonded together in a certain ratio
  2. one particular type of atom that cannot be broken down into a simpler substance by ordinary chemical means
  3. all organisms and the part of Earth where they exist
  4. a compound that releases a proton
  5. the maintenance of constant internal conditions in an organism
  6. the substances made by a chemical reaction. On the right side of equation
  7. all of the chemical processes that build up or break down materials
  8. the substances changed during a chemical reaction. On left side of equation
  9. a mixture of substances that is the same through-out; a homogeneous mixture
  10. infectious particle made of a strand of DNA or RNA surrounded by a protein coat
Down
  1. catalysts for chemical reactions in living things.
  2. A jellylike fluid inside the cell in which the organelles are suspended
  3. the smallest basic unit of matter
  4. The powerhouse of the cell. Creates ATP by using chemical energy and oxygen.
  5. any individual living thing
  6. tool that provides an enlarged image of an object
  7. a substance that decreases the activation energy needed to start a chemical reaction. Speeds up a reaction
  8. the change in living things over time
  9. form of nuclear division that divides a diploid cell into a haploid cell; important in forming gametes for sexual reproduction.
  10. the division of the cell nucleus and its contents

20 Clues: any individual living thing • the smallest basic unit of matter • a compound that releases a proton • the change in living things over time • tool that provides an enlarged image of an object • the division of the cell nucleus and its contents • catalysts for chemical reactions in living things. • all organisms and the part of Earth where they exist • ...

Unit 3 - Stoichiometry 2025-10-23

Unit 3 - Stoichiometry crossword puzzle
Across
  1. A substance resulting from a chemical change
  2. The state of matter designated by (g) in a chemical equation.
  3. The number of particles in one mole, approximately 6.022x10^23.
  4. A calculation of the maximum amount of product that could be formed.
  5. A mathematical bridge between reactants and products.
  6. The state of matter designated by (s) in a chemical equation.
  7. The measured amount of product obtained from a reaction.
Down
  1. The substance that limits the amount of product formed in a chemical reaction.
  2. A term for a solution where water is the solvent.
  3. The sum of the atomic masses of all atoms in a molecule.
  4. Substances written on the left side of a chemical equation.
  5. The calculation that compares the actual yield to the theoretical yield.
  6. The mass unit often used for measuring reactants and products.
  7. A mass-to-mass calculation requires this type of ratio from the balanced equation.
  8. The general process where substances are transformed into new substances.
  9. The state of matter designated by (l) in a chemical equation.
  10. The numerical coefficients in a balanced equation represent the number of these.
  11. A term for a reactant that is not completely used up in a reaction.
  12. This must be true for atoms on both sides of a chemical equation, according to the Law of Conservation of Mass.
  13. Symbol used to separate reactants from products.

20 Clues: A substance resulting from a chemical change • Symbol used to separate reactants from products. • A term for a solution where water is the solvent. • A mathematical bridge between reactants and products. • The sum of the atomic masses of all atoms in a molecule. • The measured amount of product obtained from a reaction. • ...

Enzymes 2025-10-07

Enzymes crossword puzzle
Across
  1. The main energy currency of the cell; stores and provides energy for many biochemical reactions.
  2. Metabolic pathways that build larger molecules from smaller ones; requires energy input (endergonic).
  3. Reaction A reaction that requires energy input; products have more energy than reactants.
  4. An enzyme that breaks down hydrogen peroxide into water and oxygen; helps protect cells from oxidative damage.
  5. Inhibition A form of negative feedback where the end product of a pathway inhibits an earlier step.
  6. A regulatory mechanism in biological systems, where the output affects future activity.
  7. Complex Temporary structure formed when the substrate binds to the enzyme's active site.
  8. Metabolic pathways that break down molecules into smaller units, releasing energy (exergonic).
  9. Inhibition When a molecule mimics the substrate and binds to the active site, blocking the actual substrate.
Down
  1. Inhibitors Molecules that bind to a site other than the active site, changing enzyme shape and reducing activity.
  2. Fit A model explaining how enzyme changes shape slightly to fit the substrate more precisely upon binding.
  3. The specific reactant that an enzyme acts on in a chemical reaction.
  4. Reaction A chemical reaction that releases energy; reactants have more energy than products.
  5. Inhibitor Binds to a site other than the active site and changes the enzyme's shape, reducing activity.
  6. Site The specific region on an enzyme where the substrate binds and the reaction occurs.
  7. A substance that speeds up a chemical reaction without being consumed; enzymes are biological catalysts.
  8. Non-protein helpers (metal ions or coenzymes) that assist in enzyme function.
  9. A biological catalyst made of proteins that speeds up specific chemical reactions in the body.
  10. An organic molecule (often derived from vitamins) that assists enzymes in catalyzing reactions.
  11. Energy The minimum amount of energy required to start a chemical reaction.

20 Clues: The specific reactant that an enzyme acts on in a chemical reaction. • Energy The minimum amount of energy required to start a chemical reaction. • Non-protein helpers (metal ions or coenzymes) that assist in enzyme function. • A regulatory mechanism in biological systems, where the output affects future activity. • ...

11 2023-04-24

11 crossword puzzle
Across
  1. a chemical change in which a single compound is broken down into two or more simpler products
  2. a substance that increases the rate of reaction by lowering the activation-energy barrier
  3. an expression representing a chemical reaction: the formulas of the reactants (on the left) are connected by an arrow with the formulas for the products (on the right)
  4. a chemical change in which one element replaces a second element in a compound; also called a displacement reaction
  5. a small whole number that appears in front of a formula in a balanced chemical equation
  6. an equation for a reaction in solution showing only those particles that are directly involved in chemical change
  7. a chemical change that involves an exchange of positive ions between two compounds
Down
  1. a chemical equation that does not indicate the relative amounts of reactants and products
  2. a list of elements in order of decreasing activity
  3. a chemical change in which an element or a compound reacts with oxygen , often producing energy in the form of heat or light
  4. a chemical change in which two or more substances react to form a single new substance; also called a synthesis reaction
  5. an equation that shows dissolved ionic compounds as dissociated free ions
  6. an ion that is not directly involved in a chemical reaction; an ion that does not change oxidation number or composition during a reaction
  7. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element

14 Clues: a list of elements in order of decreasing activity • an equation that shows dissolved ionic compounds as dissociated free ions • a chemical change that involves an exchange of positive ions between two compounds • a small whole number that appears in front of a formula in a balanced chemical equation • ...

Reactions of Matter 2024-11-06

Reactions of Matter crossword puzzle
Across
  1. is a chemical equation with the same number of atoms of each element on both sides of the arrow
  2. The speed at which reactants are converted in products
  3. Gain of electrons
  4. A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  5. Mass in grams of one mole of a substance
  6. A representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
  7. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  8. Is a substance that is formed as the result of a chemical reaction.
  9. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  10. A substance that slows down or prevents a particular chemical reaction or other process, or that reduces the activity of a particular reactant, catalyst, or enzyme.
Down
  1. A substance that takes part in and undergoes change during a reaction
  2. for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
  3. A chemical reaction that releases energy in the form of light or heat
  4. Are those which absorb energy from the surroundings and result in a net decrease in temperature
  5. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
  6. Loss of Electrons
  7. A type of lettering form written lower than the things around it. In chemical formulas the number of atoms in a molecule is written in this manner
  8. The amount of a substance that contains 6.02 x 1023 particles of that substance

18 Clues: Gain of electrons • Loss of Electrons • Mass in grams of one mole of a substance • The speed at which reactants are converted in products • Is a substance that is formed as the result of a chemical reaction. • A substance that takes part in and undergoes change during a reaction • A chemical reaction that releases energy in the form of light or heat • ...

Kinetics and Equilibrium 2025-03-12

Kinetics and Equilibrium crossword puzzle
Across
  1. describes how course or fine a solid material is
  2. ratio of amount of solute to volume of solution
  3. how fast products form
  4. towards the reactants
  5. speeds up reaction without being consumed
  6. products form reactants in this direction
  7. the theory that equilibrium systems shift due to changes in reactants or products
  8. rates of forward and reverse are equal
Down
  1. reactants form products in this direction
  2. molecules have to hit the right way and hard enough to react
  3. measure of thermal energyright towards the products
  4. is consumed in a chemical reaction
  5. form in a chemical reaction
  6. stored in chemical bonds
  7. outside part of a substance
  8. when molecules hit each other
  9. always moving/changing
  10. study of reaction rates

18 Clues: towards the reactants • how fast products form • always moving/changing • study of reaction rates • stored in chemical bonds • form in a chemical reaction • outside part of a substance • when molecules hit each other • is consumed in a chemical reaction • rates of forward and reverse are equal • reactants form products in this direction • speeds up reaction without being consumed • ...

Chemistry Crossword 2023-01-14

Chemistry Crossword crossword puzzle
Across
  1. compound, a pure substance formed from two or more non-metals
  2. bond, the simultaneous strong attraction of positive and negative ions in an ionic compound
  3. the breakdown of a metal resulting from reactions with chemicals in its environment
  4. displacement, a reaction that occurs when elements in different compounds displace each other or exchange places producing two new compounds
  5. a pure substance composed of two or more elements in a fixed ratio
  6. a compound that separates into ions when it dissolves in water- producing a solution that conducts electricity
  7. ion, an ion made up of more than one atom that acts as a single particle
  8. a column of elements in the periodic table with similar properties alkali metals the elements (except hydrogen) in the first column of the periodic table (Group 1)
  9. a row of elements in the periodic table
  10. a chemical present at the start of a chemical reaction, that is used up during the reaction
  11. a negatively charged ion
  12. equation, a way of describing a chemical reaction using the chemical formulas of the reactants and products
  13. a reaction in which two reactants combine to make a larger or more complex product; general pattern: A + B -> AB
  14. gases, the elements in the eighteenth column of the periodic table (Group 18)
  15. a charged particle that results when an atom gains or loses one or more electrons
  16. equation, a way of describing a chemical reaction using the names of the reactants and products
  17. reaction, a process in which substances interact causing the formation of new substances with new properties
  18. steel, steel that has been coated with a protective layer of zinc which forms a hard and insoluble oxide
  19. bond, a bond that results from the sharing of outer electrons between non-metal atoms
  20. the elements in the seventeenth column of the periodic table (Group 17)
  21. a pure substance that cannot be broken down into simpler substances
Down
  1. a chemical that is produced during a chemical reaction
  2. a description of a substance that does not involve forming a new substance; for example colour- texture- density- smell- solubility- taste- melting point and physical state
  3. Hazardous Materials Information System, provides Canadian workers with information on the safe use of hazardous products in their workplace.
  4. earth metals, the elements in the second column of the periodic table (Group 2)
  5. the rapid reaction of a substance with oxygen to produce oxides and energy; burning
  6. a particle in which atoms are joined by covalent bonds
  7. a reaction in which a large or more complex molecule breaks down to form two (or more) simpler products; general pattern: AB -> A + B
  8. a positively charged ion
  9. diagram, a model representing the arrangement of electrons in orbits around the nucleus of an atom
  10. molecule, a molecule consisting of only two atoms of either the same or different elements
  11. compound, a compound made up of one or more positive metal ions (cations) and one or more negative non-metal ions (anions)
  12. displacement, a reaction in which an element displaces another element in a compound producing a new compound and a new element
  13. combustion, a combustion reaction of hydrocarbons that may produce carbon monoxide- carbon- carbon dioxide- soot, water and energy; occurs when the oxygen supply is limited
  14. combustion, a combustion reaction of hydrocarbons that uses all the available fuel and produces only carbon dioxide- water and energy; occurs when the supply of oxygen is plentiful
  15. of conservation of mass, the statement that in any given chemical reaction the total mass of the reactants equals the total mass of the products
  16. property, a description of what a substance does as it changes into one or more new substances

37 Clues: a positively charged ion • a negatively charged ion • a row of elements in the periodic table • a chemical that is produced during a chemical reaction • a particle in which atoms are joined by covalent bonds • compound, a pure substance formed from two or more non-metals • a pure substance composed of two or more elements in a fixed ratio • ...

Claires radical crossword 2013-09-20

Claires radical crossword crossword puzzle
Across
  1. A substance with a pH of 7
  2. Chemical formula for sodium hydroxide
  3. Opposite of acid
  4. A sugar produced by photosynthesis
  5. A process in which chemicals move
  6. Chemicals that take part in a chemical reaction
  7. A biological catalyst that speeds up a reaction
  8. A process in which oxygen is turned into carbon
  9. The acid found in milk
  10. How plants make glucose
  11. Turns blue litmus paper to red
Down
  1. Chemicals produced in a chemical reaction
  2. Long term store of starch (vegetable)
  3. Salts from hydrochloric acids are called
  4. A single celled organism that lives in water
  5. Occurs when acids react with bases
  6. The green pigment that gives plants their colour
  7. Shows us how acidic or basic a substance is
  8. The chemical potential of hydrogen
  9. Common name for sodium chloride

20 Clues: Opposite of acid • The acid found in milk • How plants make glucose • A substance with a pH of 7 • Turns blue litmus paper to red • Common name for sodium chloride • A process in which chemicals move • A sugar produced by photosynthesis • Occurs when acids react with bases • The chemical potential of hydrogen • Long term store of starch (vegetable) • ...

Chemistry Crossword Matthew Champagne 2023-04-25

Chemistry Crossword Matthew Champagne crossword puzzle
Across
  1. a solution that contains the maximum amt of solute
  2. the first element of the periodic table
  3. moles solute/ liters solution
  4. the chemical reaction in which two or more substances react to produce a single product
  5. ___ displacement, when two compounds exchange ions
  6. a reaction that takes in heat
  7. the chemical reaction that breaks down into two or more elements or new compounds
  8. ___ property, a characteristic that can be observed or measured without changing the sample's composition
Down
  1. the substance that does the dissolving
  2. solution that contains less than the max amount of solute capable of being dissolved at a certain temp
  3. ___ metals, group one
  4. substance that is dissolved
  5. the chemical reaction that combines a substance with oxygen
  6. these are poor conductors, brittle, dull, and solids, liquids, and gasses
  7. ___ property, the ability of a substance to combine with or change into one or more other substances
  8. microscopic particles that are dispersed evenly in another substance
  9. a mixture containing particles that settle out
  10. a reaction that releases heat
  11. ___ displacement, when atoms of one element are replaced with atoms in another compound
  12. substances that cannot be dissolved to form a solution

20 Clues: ___ metals, group one • substance that is dissolved • moles solute/ liters solution • a reaction that releases heat • a reaction that takes in heat • the substance that does the dissolving • the first element of the periodic table • a mixture containing particles that settle out • a solution that contains the maximum amt of solute • ...

Chemistry Midterm Review Part 1 2024-12-16

Chemistry Midterm Review Part 1 crossword puzzle
Across
  1. The smallest unit of matter that retains the properties of an element.
  2. A pure substance made of two or more elements chemically combined.
  3. A chemical equation where the number of atoms for each element is the same on both sides of the reaction.
  4. Elements in Group 1 of the periodic table; they are soft shiny and highly reactive.
  5. How close a measurement is to the actual or true value.
  6. A reaction that releases energy (feels warm).
  7. The energy change when an atom gains an electron.
  8. A negatively charged particle in an atom that orbits the nucleus.
  9. The minimum energy needed to start a chemical reaction.
  10. A positively charged ion (an atom or molecule that has lost electrons).
  11. Elements in Group 2 of the periodic table; they are less reactive than alkali metals but still reactive.
  12. A process where substances change into new substances with different properties.
  13. A pure substance made of only one type of atom.
  14. A written representation of a chemical reaction using symbols and formulas.
  15. The energy needed to break a chemical bond.
Down
  1. Numbers placed in front of chemical formulas in a chemical equation to balance it.
  2. The size of an atom measured from its nucleus to the outermost electrons.
  3. The number of protons in an atom which determines the element.
  4. A chemical reaction where two compounds swap parts to form new compounds.
  5. A repeating pattern of atoms or ions in a solid.
  6. A negatively charged ion (an atom or molecule that has gained electrons).
  7. A reaction that absorbs energy (feels cold).
  8. A measure of how strongly an atom attracts electrons in a bond.
  9. A substance that speeds up a chemical reaction without being used up.
  10. A characteristic that describes how a substance reacts with other substances.
  11. A molecule made of two atoms like oxygen (O₂).
  12. A pair of electrons shared between two atoms in a covalent bond.
  13. Changes that create new substances with different properties.
  14. The study of matter and how it changes.
  15. A chemical bond formed when two atoms share electrons.
  16. The ability to do work or cause change.
  17. The average mass of an atom based on the number of protons and neutrons in the nucleus.

32 Clues: The study of matter and how it changes. • The ability to do work or cause change. • The energy needed to break a chemical bond. • A reaction that absorbs energy (feels cold). • A reaction that releases energy (feels warm). • A molecule made of two atoms like oxygen (O₂). • A pure substance made of only one type of atom. • ...

Chapter 2 2022-10-25

Chapter 2 crossword puzzle
Across
  1. the major source of energy for the body
  2. subunit of which nucleic acids are composed; made up of a 5carbon sugar, a
  3. elements or compounds produced by a chemical reaction
  4. group, and a nitrogenous base
  5. growth and repair
  6. elements or compounds that enter into a chemical reaction
  7. protein catalyst that speeds up the rate of a specific biological reaction
Down
  1. Reaction: process that changes, or transforms, one set of chemicals into another set of chemicals
  2. biomolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  3. Acid: compound with an amino group on one end and a carboxyl group on the other end
  4. small chemical unit that makes up a polymer
  5. substance that speeds up the rate of a chemical reaction
  6. biomolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body
  7. reactant of an enzyme catalyzed reaction
  8. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that

15 Clues: growth and repair • group, and a nitrogenous base • the major source of energy for the body • reactant of an enzyme catalyzed reaction • small chemical unit that makes up a polymer • elements or compounds produced by a chemical reaction • substance that speeds up the rate of a chemical reaction • elements or compounds that enter into a chemical reaction • ...

Chapter 6 vocab 2024-03-07

Chapter 6 vocab crossword puzzle
Across
  1. a reaction that requires energy to be absorbed in order for it to take place.
  2. the minimum amount of extra energy required by a reacting molecule to get converted into a product.
  3. a series of connected chemical reactions that feed one another.
  4. is a biological molecule consisting of one adenine, one sugar, and two phosphates.
  5. a substance that takes part in and undergoes change during a reaction.
  6. is the source of energy for use and storage at the cellular level.
  7. a non- protein chemical compound that is bound to a protein and is required for the protein's biological activity.
  8. energy which a body possesses by virtue of being in motion.
  9. The chemical substances which are formed due to a chemical reaction between two or more chemical substances are called the products.
  10. are catalytically active RNA molecules or RNA–protein complexes, in which solely the RNA provides catalytic activity.
  11. any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.
  12. an organic molecule that binds to the active sites of certain enzymes to assist in the catalysis of a reaction.
  13. the energy possessed by a body by virtue of its position relative to other
  14. model proposing that the binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity.
Down
  1. Reactions that have a negative change in free energy and consequently release free energy
  2. When two reactions are coupled, they can be added together to give an overall reaction
  3. the specific region of an enzyme where a substrate binds and catalysis takes place or where chemical reaction occurs.
  4. the capacity for doing work
  5. a thermodynamic quantity equivalent to the capacity of a system to do work.
  6. energy cannot be created or destroyed
  7. when a molecule binds an enzyme and prevents it from carrying out a chemical reaction.
  8. the part of the metabolic process that breaks down large, complicated molecules into smaller ones in order to produce energy.
  9. The measure of the disorder of a system
  10. the chemical reactions in the body's cells that change food into energy.
  11. a group of substances that are needed for normal cell function, growth, and development.
  12. a biochemical process in metabolism where the simple molecules combine to generate complex molecules.
  13. a biological catalyst and is almost always a protein.

27 Clues: the capacity for doing work • energy cannot be created or destroyed • The measure of the disorder of a system • a biological catalyst and is almost always a protein. • energy which a body possesses by virtue of being in motion. • a series of connected chemical reactions that feed one another. • is the source of energy for use and storage at the cellular level. • ...

Chapter 6 Vocab 2024-03-07

Chapter 6 Vocab crossword puzzle
Across
  1. a reaction that requires energy to be absorbed in order for it to take place.
  2. the capacity for doing work
  3. a biochemical process in metabolism where the simple molecules combine to generate complex molecules.
  4. model proposing that the binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity.
  5. any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.
  6. the specific region of an enzyme where a substrate binds and catalysis takes place or where chemical reaction occurs.
  7. an organic molecule that binds to the active sites of certain enzymes to assist in the catalysis of a reaction.
  8. the minimum amount of extra energy required by a reacting molecule to get converted into a product.
  9. is a biological molecule consisting of one adenine, one sugar, and two phosphates.
  10. The measure of the disorder of a system
  11. The chemical substances which are formed due to a chemical reaction between two or more chemical substances are called the products.
  12. energy cannot be created or destroyed
  13. a series of connected chemical reactions that feed one another.
  14. Reactions that have a negative change in free energy and consequently release free energy
  15. a group of substances that are needed for normal cell function, growth, and development.
  16. a biological catalyst and is almost always a protein.
Down
  1. a substance that takes part in and undergoes change during a reaction.
  2. the part of the metabolic process that breaks down large, complicated molecules into smaller ones in order to produce energy.
  3. a thermodynamic quantity equivalent to the capacity of a system to do work.
  4. the energy possessed by a body by virtue of its position relative to other
  5. a non- protein chemical compound that is bound to a protein and is required for the protein's biological activity.
  6. is the source of energy for use and storage at the cellular level.
  7. energy which a body possesses by virtue of being in motion.
  8. When two reactions are coupled, they can be added together to give an overall reaction
  9. when a molecule binds an enzyme and prevents it from carrying out a chemical reaction.
  10. are catalytically active RNA molecules or RNA–protein complexes, in which solely the RNA provides catalytic activity.
  11. the chemical reactions in the body's cells that change food into energy.

27 Clues: the capacity for doing work • energy cannot be created or destroyed • The measure of the disorder of a system • a biological catalyst and is almost always a protein. • energy which a body possesses by virtue of being in motion. • a series of connected chemical reactions that feed one another. • is the source of energy for use and storage at the cellular level. • ...

Chemistry MA1 2025-04-25

Chemistry MA1 crossword puzzle
Across
  1. state of matter which has weak force of attraction between molecules.
  2. state of matter which has strongest force of attraction between molecules.
  3. gas that helps in combustion and respiration
  4. elements that form negative ions when going through a chemical reaction.
  5. reactions in which two or more compounds combine to form one compound.
  6. ingredients of a chemical reaction
  7. reaction in which a complex molecule breaks down to make simpler ones.
Down
  1. reaction in which one element takes place with another element in the compound.
  2. state of matter which has weakest force of attraction between molecules.
  3. reaction in which there is a transfer of electrons between chemical species.
  4. oxidation of oils or fats in food resulting in a bad taste and smell
  5. elements which do not form positive ions when going through a chemical reaction
  6. reaction of metals with air or oxygen or moisture, acids etc present around it.
  7. substances formed after the reaction

14 Clues: ingredients of a chemical reaction • substances formed after the reaction • gas that helps in combustion and respiration • oxidation of oils or fats in food resulting in a bad taste and smell • state of matter which has weak force of attraction between molecules. • reactions in which two or more compounds combine to form one compound. • ...

Stoichometry Crossword Puzzle 2024-04-01

Stoichometry Crossword Puzzle crossword puzzle
Across
  1. A number written below and to the right of a chemical symbol in a formula, indicating the number of atoms of the element.
  2. equation: An equation where the number of atoms for each element is equal on both the reactant and product sides.
  3. The numbers placed before formulas in a chemical equation to balance the equation.
  4. ratio: The ratio of moles of one substance to moles of another substance in a balanced chemical equation.
  5. The calculation of reactants and products in chemical reactions based on the balanced equation.
  6. The reactant that remains after a chemical reaction is complete because it was not completely consumed.
  7. mass: The mass of a given substance divided by the amount of substa n moles.
  8. A unit of measurement used in chemistry to express amounts of a substance.
  9. ratio: The ratio of the masses of two substances in a chemical reaction.
Down
  1. Substances that undergo a chemical change in a reaction.
  2. Substances formed as a result of a chemical reaction.
  3. reaction: The process in which one or more substances are converted into one or more different substances.
  4. equation: A symbolic representation of a chemical reaction showing the reactants and products involved.
  5. reactant: The reactant that is completely consumed in a chemical reaction, thereby limiting the amount of product formed.
  6. number: The number of atoms, molecules, or formula units in one mole of a substance, approximately 6.022 × 10^23.

15 Clues: Substances formed as a result of a chemical reaction. • Substances that undergo a chemical change in a reaction. • ratio: The ratio of the masses of two substances in a chemical reaction. • A unit of measurement used in chemistry to express amounts of a substance. • mass: The mass of a given substance divided by the amount of substa n moles. • ...

Chemistry 2019-11-08

Chemistry crossword puzzle
Across
  1. A substance that reacts with other substances in a chemical reaction
  2. Substance made up of only one type of matter
  3. Pure substances formed by the combination of two non-metals
  4. Subatomic particle with a positive electrical charge
  5. Cloudy mixture that cannot be separated
  6. Cloudy mixture that can be separated
  7. A chemical reaction which absorbs heat energy
  8. A combination of symbols that represent a compound and the amount
  9. Pure substances formed by the combination of a metal and a non-metal
  10. A chemical change which releases heat energy
  11. Number of protons an element has
  12. A new substance produced in a chemical reaction
  13. First chemistry text
Down
  1. Two or more substances combined
  2. Average mass of an element
  3. Arranged elements in the periodic table according to their properties
  4. In a chemical reaction the total mass of the reactants is equal to the total mass of the products
  5. Two or more substances in which the different substances are easy to see
  6. One or two letters that represent an element
  7. Subatomic particle with a negative electrical charge
  8. Two or more pure substances that look like one substance
  9. Subatomic particle with no charge
  10. When two or more substances react to form a new substance
  11. One type of matter
  12. Chemical combination

25 Clues: One type of matter • Chemical combination • First chemistry text • Average mass of an element • Two or more substances combined • Number of protons an element has • Subatomic particle with no charge • Cloudy mixture that can be separated • Cloudy mixture that cannot be separated • Substance made up of only one type of matter • One or two letters that represent an element • ...

Photosynthesis 2025-11-17

Photosynthesis crossword puzzle
Across
  1. one of the main resources needed by plants
  2. the green pigment found in plants or algae
  3. also called light-dependent reaction
  4. the chemical process used by plants to convert inorganic substances to organic substances
  5. dioxide chemical gas needed for photosynthesis
  6. primary source of energy for plants
  7. stacks of discs; the site for light-dependent reaction
Down
  1. one of the three macronutrients needed as a source of energy
  2. also called light-independent reaction
  3. Chemical energy that acts as a currency needed to power chemical reaction.
  4. chemical gas released by plants
  5. organic molecule essential for carbon fixation
  6. fluid-filled spaces; the site for light-independent reaction

13 Clues: chemical gas released by plants • primary source of energy for plants • also called light-dependent reaction • also called light-independent reaction • one of the main resources needed by plants • the green pigment found in plants or algae • organic molecule essential for carbon fixation • dioxide chemical gas needed for photosynthesis • ...

Hon Chem Spring Vocab Part 1 2024-04-19

Hon Chem Spring Vocab Part 1 crossword puzzle
Across
  1. A chart used to predict if a single replacement reaction will occur based reactivity
  2. The crux of the mole map that allows for conversions between mass, volume, and particles
  3. A number that indicates the charge of an ion
  4. A type of chemical reaction that involves a single element replaces a second element in a compound
  5. A type of chemical reaction in which a single substance breaks down into multiple substances
  6. Substances that are formed by a chemical change in a reaction
  7. Refers to standard temperature and pressure and allows application of the constant 22.4 L with regard to gases
  8. A type of electron that participates in bonding
  9. A bond formed when electrons are transferred from one to another
  10. A type of chemical reaction in which multiple substances form a single product
  11. A solid that forms from a reaction between two aqueous solutions
  12. The unit of particles for a covalent compound
  13. The same as the empirical formula or a whole number multiple of its empirical formula
  14. Inclusive of all substance potentials: atoms, ions, molecules, and formula units
  15. Particle that maintains a charge
  16. Lowest whole number ratio of atoms of the elements in the compound
  17. A bond formed when electrons are shared between two atoms
  18. A type of reaction where a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water vapor
Down
  1. A chart used to predict the states of matter of compounds
  2. The mass of a substance expressed in grams per one mole
  3. The unit of particles for an ionic compound
  4. A type of reaction that involves the exchange of cations between to compounds
  5. An equality statement in fraction form that helps you convert between units
  6. A solution in which a solid is dissolved in water
  7. Substances that are destroyed by a chemical change in a reaction
  8. A number that indicates how many atoms are present in a molecule
  9. A number that indicates how many moles of a substance are present in a balanced chemical reaction
  10. The number of particles present in one mole of substance
  11. Percent by mass of each element in the compound
  12. The unit of particles for an element

30 Clues: Particle that maintains a charge • The unit of particles for an element • The unit of particles for an ionic compound • A number that indicates the charge of an ion • The unit of particles for a covalent compound • A type of electron that participates in bonding • Percent by mass of each element in the compound • A solution in which a solid is dissolved in water • ...

Chemistry 2015-11-19

Chemistry crossword puzzle
Across
  1. A pure substance
  2. A positively charged particle in the nucleus of an atom
  3. group 18 elements in the periodic table
  4. an atom that has become electrically charged because of loss or gain of electrons
  5. An invisible negatively charged particle that orbits the nucleus of an atom
  6. horizontal row of elements in the periodic table
  7. Pure substance formed when at least on metal and nonmetal combine
  8. the substance that reacts with another substance
  9. Pure substance formed when non-metals combine
  10. a new substance produced from a chemical reaction between reactants
  11. A substance that helps a chemical reaction go faster
  12. Most reactive non metals
  13. catalyst involved in chemical reactions in living things
Down
  1. A chemical reaction that releases energy
  2. A cloudy mixture in which tiny particles of one substance are held within another
  3. A chemical reaction that absorbs energy
  4. a table in which the elements are organized
  5. a shiny,malleable,ductile element
  6. Mass of an atom
  7. The sum of the number of protons and neutrons in an atom
  8. Vertical column of elements in the periodic table
  9. a Element that has both metallic and non metallic properties
  10. A slow chemical change between metal and oxygen
  11. Positively charged centre of an atom

24 Clues: Mass of an atom • A pure substance • Most reactive non metals • a shiny,malleable,ductile element • Positively charged centre of an atom • A chemical reaction that absorbs energy • group 18 elements in the periodic table • A chemical reaction that releases energy • a table in which the elements are organized • Pure substance formed when non-metals combine • ...

CHAPTER 8 2025-11-12

CHAPTER 8 crossword puzzle
Across
  1. A solid that is produced as a result of a chemical reaction in solution and that separates from the solution
  2. also known as a composition reaction, two or more substances combine to form a new compound.
  3. a chemical reaction in which the products re-form the original reactants
  4. represents, with symbols and formulas, the identities and relative amounts of the reactants and products in a chemical reaction.
  5. a small whole number that appears in front of a formula in a chemical equation.
  6. a single compound undergoes a reaction that produces two or more simpler substances
Down
  1. a list of elements organized according to the ease with which the elements undergo certain chemical reactions
  2. a substance combines with oxygen, releasing a large amount of energy in the form of light and heat.
  3. the process by which one or more substances are changed into one or more different substances.
  4. The decomposition of a substance by an electric current
  5. also known as a displacement reaction, one element replaces a similar element in a compound
  6. an equation in which the reactants and products in a chemical reaction are represented by words.
  7. the ions of two compounds exchange places in an aqueous solution to form two new compounds.
  8. represents the reactants and products of a chemical reaction by their symbols or formulas

14 Clues: The decomposition of a substance by an electric current • a chemical reaction in which the products re-form the original reactants • a small whole number that appears in front of a formula in a chemical equation. • a single compound undergoes a reaction that produces two or more simpler substances • ...

DISCOVER THE LANGUAGE OF CHEMICAL EQUATIONS 2025-05-01

DISCOVER THE LANGUAGE OF CHEMICAL EQUATIONS crossword puzzle
Across
  1. A reaction in which a substance gains oxygen or loses hydrogen.
  2. A process where a substance loses oxygen or gains hydrogen.
  3. A reaction where two compounds exchange ions to form new compounds
  4. A reaction where a more reactive element replaces a less reactive one
  5. A reaction that absorbs heat from its surroundings
  6. The gradual destruction of metals due to environmental reaction
  7. A reaction where and insolube solid forms two solutions
  8. Creator of Crossword puzzle
  9. A proxess where a substance loses oxygen or gains hydrogen
Down
  1. A starting substance in a chemical reaction
  2. Spoilage of food, especially fats and oils, due to oxidation.
  3. Asubstance formed as a result of a chemical reaction.
  4. A chemical equation with equal number of atoms of each element on both sides
  5. A single compound breaks down into two or more simpler substances
  6. A reaction that releases heat to its surroundings
  7. Two or more substances combine to form a single product

16 Clues: Creator of Crossword puzzle • A starting substance in a chemical reaction • A reaction that releases heat to its surroundings • A reaction that absorbs heat from its surroundings • Asubstance formed as a result of a chemical reaction. • Two or more substances combine to form a single product • A reaction where and insolube solid forms two solutions • ...

CHEMISTRY 2026-03-30

CHEMISTRY crossword puzzle
Across
  1. A number assigned to an element in a compound that indicates its degree of oxidation or reduction.
  2. The principle stating that matter cannot be created or destroyed in a chemical reaction.
  3. A symbolic representation of a chemical reaction showing reactants, products, and their coefficients.
  4. A chemical reaction in which oxidation and reduction occur simultaneously through electron transfer.
  5. The mass of one mole of a substance, usually expressed in grams per mole (g/mol).
  6. A substance that donates electrons to another substance and becomes oxidized.
  7. The study of the quantitative relationships between reactants and products in chemical reactions.
Down
  1. A substance that causes another substance to be oxidized by accepting its electrons.
  2. The process in which a substance gains electrons during a chemical reaction.
  3. The number placed before a chemical formula in a chemical equation indicating the relative number of molecules or moles involved.
  4. The process in which a substance loses electrons in a chemical reaction.
  5. The process of adjusting coefficients so that the number of atoms of each element is equal on both sides of the equation.
  6. The relationship between quantities of substances in terms of their moles in a reaction.
  7. The electrical property of a particle determined by the number of protons and electrons it has.
  8. The ratio between the amounts in moles of two substances in a balanced chemical equation.

15 Clues: The process in which a substance loses electrons in a chemical reaction. • The process in which a substance gains electrons during a chemical reaction. • A substance that donates electrons to another substance and becomes oxidized. • The mass of one mole of a substance, usually expressed in grams per mole (g/mol). • ...

Stoichometry Crossword Puzzle 2025-04-22

Stoichometry Crossword Puzzle crossword puzzle
Across
  1. A number written below and to the right of a chemical symbol in a formula, indicating the number of atoms of the element.
  2. equation: An equation where the number of atoms for each element is equal on both the reactant and product sides.
  3. The numbers placed before formulas in a chemical equation to balance the equation.
  4. ratio: The ratio of moles of one substance to moles of another substance in a balanced chemical equation.
  5. The calculation of reactants and products in chemical reactions based on the balanced equation.
  6. The reactant that remains after a chemical reaction is complete because it was not completely consumed.
  7. mass: The mass of a given substance divided by the amount of substa n moles.
  8. A unit of measurement used in chemistry to express amounts of a substance.
  9. ratio: The ratio of the masses of two substances in a chemical reaction.
Down
  1. Substances that undergo a chemical change in a reaction.
  2. Substances formed as a result of a chemical reaction.
  3. reaction: The process in which one or more substances are converted into one or more different substances.
  4. equation: A symbolic representation of a chemical reaction showing the reactants and products involved.
  5. reactant: The reactant that is completely consumed in a chemical reaction, thereby limiting the amount of product formed.
  6. number: The number of atoms, molecules, or formula units in one mole of a substance, approximately 6.022 × 10^23.

15 Clues: Substances formed as a result of a chemical reaction. • Substances that undergo a chemical change in a reaction. • ratio: The ratio of the masses of two substances in a chemical reaction. • A unit of measurement used in chemistry to express amounts of a substance. • mass: The mass of a given substance divided by the amount of substa n moles. • ...

Chemistry Crossword 2014-12-18

Chemistry Crossword crossword puzzle
Across
  1. This is what happens when gas is made in a chemical reaction.
  2. Results should be plotted to draw one of these.
  3. (6,6) A clear sign of a chemical reaction.
  4. The element has the chemical symbol Na
  5. (6,6) This is used to heat things up safely.
  6. (8,5) You've got a copy of this in your planner.
  7. Unwanted chemicals in the environment are sometimes called this.
  8. (5,5) Used to hold things while you do an experiment.
  9. Water is a good example of this state of matter.
  10. (4,4) A thin glass container used for testing chemicals.
  11. Something you keep the same to make a fair test.
  12. The proper word is "combustion" this is a very hot chemical reaction.
Down
  1. You hate wearing these, but they keep your eyes safe.
  2. This element has the chemical symbol Ca
  3. The hardest state of matter.
  4. A blue Bunsen flame is called this.
  5. (6,7) A greenhouse gas.
  6. If a reaction gets hot or cold, we say this has changed.
  7. The lightest state of matter.
  8. A condition that could be changed.
  9. A reactive gas in air, we need it for life.
  10. An orange Bunsen flame is called this.
  11. Results should be recorded in one of these.
  12. This element has the chemical symbol Cu

24 Clues: (6,7) A greenhouse gas. • The hardest state of matter. • The lightest state of matter. • A condition that could be changed. • A blue Bunsen flame is called this. • The element has the chemical symbol Na • An orange Bunsen flame is called this. • This element has the chemical symbol Ca • This element has the chemical symbol Cu • (6,6) A clear sign of a chemical reaction. • ...

Story 4 Metals & Properties 2024-11-21

Story 4 Metals & Properties crossword puzzle
Across
  1. lethal to living things
  2. any pure substance (element or compound)
  3. oxidation reaction releases heat energy
  4. energy that causes particles to move
  5. ability to be made into wires
  6. shininess
  7. likelihood of substance to undergo a chemical change
  8. structural stability of substance
  9. amount of mass present in a given volume
  10. amount of matter in a substance
  11. resistance to surface damage
  12. mixture of metals with improved properties
  13. state of matter with definite shape and volume
  14. substance degrades another through chemical reaction
  15. device that measures the movement of particles
  16. rock containing mixture of metals
  17. likelihood to engage in a chemical reaction
Down
  1. substance rapidly combusts
  2. coldest possible temperature with no heat
  3. ability to be pounded into sheets
  4. substance grows due to addition of heat energy
  5. characteristic of substance observable with senses
  6. temperature that substance turns from solid to liquid
  7. substance that allows heat to pass through
  8. measurement of the movement of particles
  9. substance that doesn't allow heat energy to move through
  10. chemical reaction with oxygen
  11. state of matter with definite volume and indefinite shape
  12. substance shrinks due to removal of heat energy
  13. amount of space something occupies

30 Clues: shininess • lethal to living things • substance rapidly combusts • resistance to surface damage • ability to be made into wires • chemical reaction with oxygen • amount of matter in a substance • ability to be pounded into sheets • structural stability of substance • rock containing mixture of metals • amount of space something occupies • energy that causes particles to move • ...

Amyelia H. Crossword 2024-05-15

Amyelia H. Crossword crossword puzzle
Across
  1. the force that hold atoms together
  2. change a change in matter that does not affect is chemical comparison
  3. a substance that is formed during chemical reaction
  4. change of substance into something new
  5. the amount of space that an object occupies
  6. a pure substance that can not be broken
  7. a characteristic that can be observed
  8. a chemical reaction that absorbs heat energy
Down
  1. the ability to do work
  2. a combination of substance that can be separated from each other
  3. the amount of matter in an object
  4. the treanser of the thermal energy
  5. the smallest unit of an element in a molecule
  6. two or more atoms joined together
  7. chemical reaction that gives of heat energy
  8. a measure of the average kinetic energy
  9. material that has mass and takes up space
  10. a pure substance when two or more substances combine

18 Clues: the ability to do work • the amount of matter in an object • two or more atoms joined together • the force that hold atoms together • the treanser of the thermal energy • a characteristic that can be observed • change of substance into something new • a pure substance that can not be broken • a measure of the average kinetic energy • material that has mass and takes up space • ...

Year 10 Physics and Chemistry 2024-06-28

Year 10 Physics and Chemistry crossword puzzle
Across
  1. Chemical formula for water.
  2. The rate of change of velocity.
  3. A reaction that releases energy in the form of heat.
  4. The unit of force.
  5. Reaction between an acid and a base to form water and a salt.
  6. Mrs Goss' method to solve physics problems.
  7. The numerical factor in a term of an algebraic expression.
  8. The study of the forces and their effects on motion.
  9. Substances that are produced in a chemical reaction.
  10. A negatively charged ion.
  11. A quantity that has only magnitude.
  12. The force that attracts a body towards the center of the earth.
  13. A quantity that has both magnitude and direction.
  14. Force equals mass times acceleration.
  15. Ionic formula for table salt.
  16. A positively charged ion.
Down
  1. Speed in a given direction.
  2. The distance in a specific direction.
  3. Equations used to solve problems involving uniform acceleration.
  4. The study of motion without considering its causes.
  5. Mass times velocity.
  6. Substances that start a chemical reaction.
  7. An insoluble solid that emerges from a liquid solution.
  8. For every action, there is an equal and opposite reaction.
  9. An object will remain at rest or in uniform motion unless acted upon by a force.
  10. The force that opposes the motion of an object.
  11. A chemical reaction where a compound breaks down into simpler substances.
  12. A reaction that absorbs energy from its surroundings.
  13. Mass times acceleration.
  14. A reaction that usually involves oxygen and produces heat.
  15. The tendency of an object to resist changes in its state of motion.

31 Clues: The unit of force. • Mass times velocity. • Mass times acceleration. • A negatively charged ion. • A positively charged ion. • Speed in a given direction. • Chemical formula for water. • Ionic formula for table salt. • The rate of change of velocity. • A quantity that has only magnitude. • The distance in a specific direction. • Force equals mass times acceleration. • ...

Stoichiometry 2026-01-08

Stoichiometry crossword puzzle
Across
  1. Amount of substance equal to 6.02 × 10²³ particles
  2. Comparison between quantities in a chemical reaction
  3. Common unit of mass in chemistry
  4. reactant left over after a reaction
  5. Reactant that determines how much product forms
  6. Calculations involving quantities in chemical reactions
  7. Substance formed in a chemical reaction
  8. Describes an equation with equal atoms on both sides
Down
  1. Mass of one mole of a substance
  2. Starting substance in a chemical reaction
  3. Number placed in front of a chemical formula
  4. Amount of product actually obtained
  5. Maximum possible amount of product

13 Clues: Mass of one mole of a substance • Common unit of mass in chemistry • Maximum possible amount of product • reactant left over after a reaction • Amount of product actually obtained • Substance formed in a chemical reaction • Starting substance in a chemical reaction • Number placed in front of a chemical formula • Reactant that determines how much product forms • ...

Photosynthesis 2023-04-17

Photosynthesis crossword puzzle
Across
  1. The mouth of the plant
  2. The Energy made by glucose
  3. A organic material where plants commonly grow
  4. The part of a green plant that brings in molecules and stores glucose
  5. The green pigment in plants
  6. The part the starts the chemical reaction
  7. The tissue that makes up the ¨wood¨ part of the tree
  8. Part of the product of photosynthesis
  9. The part of a chemical reaction the sun produces the ¨Catalyst¨
  10. Found as ¨N¨ on the periodic table
  11. A gas made up of multiple elements
Down
  1. The ¨before¨ of a chemical reaction
  2. The part of a cell that makes ATP
  3. The green plant cell in which photosynthesis happens
  4. The process when C6H12O6 and 6O2 are made
  5. The ¨After¨ of a chemical reaction
  6. The gas made up of carbon and oxygen
  7. The process when Glucose becomes ATP

18 Clues: The mouth of the plant • The Energy made by glucose • The green pigment in plants • The part of a cell that makes ATP • The ¨After¨ of a chemical reaction • Found as ¨N¨ on the periodic table • A gas made up of multiple elements • The ¨before¨ of a chemical reaction • The gas made up of carbon and oxygen • The process when Glucose becomes ATP • ...

science extra credit 2023-10-29

science extra credit crossword puzzle
Across
  1. change in form or apperance
  2. combination of different substances
  3. burning of fuel in presence of oxygen
  4. enters into a chemical reaction
  5. movement within a fluid
  6. soild particules that become airborne
  7. made up of only carbon and hydrogen
  8. is uniform throughout
  9. air pollutant formed when nitrogen oxides and hydrocarbon fue molecules are activated by UV rays
  10. isn't uniform throughout
  11. process of glucose and oxygen as inputs and carbon dioxide,water,energy as outputs
Down
  1. formed by chemical reaction
  2. change in combustion, also known as chemical reaction
  3. weather condition,prevents convection
  4. matter made up of a single molecule
  5. transform light energy into chemical energy
  6. reacts with oxygen to produce light and heat
  7. Volatice Organic Compunds
  8. a gas made up of three oxygen molecules
  9. forms as a product of combustion

20 Clues: is uniform throughout • movement within a fluid • isn't uniform throughout • Volatice Organic Compunds • change in form or apperance • formed by chemical reaction • enters into a chemical reaction • forms as a product of combustion • matter made up of a single molecule • combination of different substances • made up of only carbon and hydrogen • ...

Photosynthesis 2022-01-20

Photosynthesis crossword puzzle
Across
  1. photosynthesis phase when light is absorbed
  2. organism that makes their own food
  3. a colored substance
  4. orange pigment
  5. substance forming part of a chloroplast
  6. carbohydrate formed in photosynthesis
  7. an electron acceptor
  8. energized electrons
  9. a raw for a chemical reaction
  10. array of wavelengths
  11. breathing pore
  12. substance produced in a chemical reaction
  13. "__dioxide"; reactant in photosynthesis
  14. "____ cycle";CO2 changed to carbohydrate
  15. a product of photosynthesis
  16. energy source of photosynthesis
Down
  1. glyceraldehyde phosphate
  2. atomic particles involved in chemical reaction
  3. plastid containing chlorophyll
  4. adenosine triphosphate
  5. light energy changed to chemical energy
  6. ability to make a change in matter
  7. adenosine diphosphate
  8. difference between two crests of waves
  9. characteristic of light energy
  10. influences rate of photosynthesis
  11. receives electrons
  12. a reactant in photosynthesis
  13. groups of thylakoids
  14. green pigment

30 Clues: green pigment • orange pigment • breathing pore • receives electrons • a colored substance • energized electrons • an electron acceptor • array of wavelengths • groups of thylakoids • adenosine diphosphate • adenosine triphosphate • glyceraldehyde phosphate • a product of photosynthesis • a reactant in photosynthesis • a raw for a chemical reaction • plastid containing chlorophyll • ...

Chemistry Crossword 2022-02-23

Chemistry Crossword crossword puzzle
Across
  1. increases the rate of a reaction, but isn't consumed by the reaction
  2. does not change chemical composition
  3. smaller than an atom
  4. tastes bitter and feels slippery
  5. has an atomic mass of 285
  6. a pure substance; consists of only one type of atom
  7. the lightest noble gas
  8. dissolves the solute
  9. a substance formed as a result of a chemical reaction
  10. consists of two or more substances that are NOT chemically bonded
  11. the study of matter and its properties
  12. found in the nucleus
  13. solute dissolved in a solvent
  14. comes from the Greek word for "indivisible"
  15. pH lower than 7
  16. two or more elements combined chemically
  17. responsible for an atom's chemical properties
Down
  1. an electrically neutral particle made of two or more atoms joined by chemical bonds
  2. an element's atomic number indicates how many of these are in each atom
  3. the lightest element whose number of protons is divisible by 2, 3, and 5
  4. lithium, potassium, and francium are all...
  5. a solution where the solvent is water
  6. matter is not created or destroyed during any chemical or physical change
  7. has a negative charge
  8. has a consistent chemical composition
  9. chemical bonds are formed and/or broken
  10. electrons are shared
  11. scale to measure acidity and alkalinity
  12. a substance that enters into a chemical reaction
  13. the lightest element
  14. dissolved by the solvent
  15. ions are held together by the attraction between their opposite electrical charges

32 Clues: pH lower than 7 • smaller than an atom • dissolves the solute • electrons are shared • found in the nucleus • the lightest element • has a negative charge • the lightest noble gas • dissolved by the solvent • has an atomic mass of 285 • solute dissolved in a solvent • tastes bitter and feels slippery • does not change chemical composition • a solution where the solvent is water • ...

Chemistry Lab Safety 2016-03-03

Chemistry Lab Safety crossword puzzle
Across
  1. type of chemical reaction in which compounds break down
  2. glass used to hold liquids with wide opening
  3. law which states matter can neither be created nor destroyed
  4. if you do this in the lab, you will be issued a detention
  5. type of chemical reaction in which one element replaces another
  6. these types of changes DO NOT change the identity of a substance
  7. last name of Russian chemist who dreamed about the Periodic Table
  8. used to transfer small amounts of liquid
Down
  1. type of chemical reaction when two elements trade places
  2. name of the gas produced from the reaction of Zn and HCl
  3. positively charged particle in the nucleus
  4. name of the device used to measure volumes of liquids
  5. type of chemical reaction where compounds combine
  6. these types of changes DO change the identity of a substnce
  7. always wear these to protect eyes when handling chemicals
  8. located at the back of the lab; for handling chemicals which may produce harmful fumes or odors
  9. the smallest type of particle in an atom; has a negative charge

17 Clues: used to transfer small amounts of liquid • positively charged particle in the nucleus • glass used to hold liquids with wide opening • type of chemical reaction where compounds combine • name of the device used to measure volumes of liquids • type of chemical reaction in which compounds break down • type of chemical reaction when two elements trade places • ...

Microbiology chapter 7 2026-02-05

Microbiology chapter 7 crossword puzzle
Across
  1. metabolic reactions that break down molecules to release energy
  2. the gain of electrons during a chemical reaction
  3. reaction a reaction in which oxidation and reduction occur together
  4. the main energy carrying molecule used by cells
  5. the sum of all chemical reactions that occur within a cell
  6. a biological catalyst that speeds up chemical reactions without being consumed
  7. the metabolic pathway that breaks glucose into pyruvate and produces ATP
  8. energy the minimum amount of energy needed to start a chemical reaction
Down
  1. the specific reactant that an enzyme binds to
  2. site the region of an enzyme where the substrate binds
  3. ATP generating process that occurs without oxygen and regenerates NAD+
  4. metabolic reactions that build complex molecules using energy
  5. an electron carrier that accepts electrons during metabolic reactions
  6. the movement of protons across a membrane to generate ATP
  7. the loss of electrons during a chemical reaction
  8. transport chain a series of membrane proteins that transfer electrons and generate ATP
  9. respiration ATP producing process that uses oxygen as the final electron acceptor

17 Clues: the specific reactant that an enzyme binds to • the main energy carrying molecule used by cells • the gain of electrons during a chemical reaction • the loss of electrons during a chemical reaction • site the region of an enzyme where the substrate binds • the movement of protons across a membrane to generate ATP • ...

Science Crossword 2013-10-29

Science Crossword crossword puzzle
Across
  1. change change that only affects the physical properties
  2. substance formed as a result of a reaction
  3. a multiplier or factor that measures some property
  4. a solid transforms inside another solid
  5. small numbers written to the right of the atoms; tells the number of atoms in each element in each compound
  6. ________ of conservation of mass states that the mass of the products of a chemical reaction must be the same as the mass of the reactants in that reaction
  7. replacement reaction occurs when one element replaces another one in a compound
Down
  1. a white solid
  2. CO3
  3. reaction compounds break down into simpler substances
  4. reaction two or more elements that combine to make a more complex substance
  5. substances that exist before the reaction begins
  6. O2
  7. replacement reaction occurs when different atoms in two different compounds trade places
  8. reaction a proces that produces a chemical change

15 Clues: O2 • CO3 • a white solid • a solid transforms inside another solid • substance formed as a result of a reaction • substances that exist before the reaction begins • a multiplier or factor that measures some property • reaction a proces that produces a chemical change • reaction compounds break down into simpler substances • ...

Science Crossword 2013-10-29

Science Crossword crossword puzzle
Across
  1. change change that only affects the physical properties
  2. substance formed as a result of a reaction
  3. a multiplier or factor that measures some property
  4. a solid transforms inside another solid
  5. small numbers written to the right of the atoms; tells the number of atoms in each element in each compound
  6. ________ of conservation of mass states that the mass of the products of a chemical reaction must be the same as the mass of the reactants in that reaction
  7. replacement reaction occurs when one element replaces another one in a compound
Down
  1. a white solid
  2. CO3
  3. reaction compounds break down into simpler substances
  4. reaction two or more elements that combine to make a more complex substance
  5. substances that exist before the reaction begins
  6. O2
  7. replacement reaction occurs when different atoms in two different compounds trade places
  8. reaction a proces that produces a chemical change

15 Clues: O2 • CO3 • a white solid • a solid transforms inside another solid • substance formed as a result of a reaction • substances that exist before the reaction begins • a multiplier or factor that measures some property • reaction a proces that produces a chemical change • reaction compounds break down into simpler substances • ...

Stoichiomic Shrimp and Grits 2023-05-15

Stoichiomic Shrimp and Grits crossword puzzle
Across
  1. used up when the reaction is run to completion
  2. shows which elements are in the compound and the actual number of each
  3. refers to the number of atoms, particles, or molecules in one mole
  4. the number to the left of a substance in a chemical
  5. the ingredients in a chemical reaction;the substances on the left side of the arrow in a chemical equation
Down
  1. reactant that is not used up when a reaction is run to completion
  2. a chemical reaction that has the same number of atoms of each element on both sides of it; even if they are arranged differently on each side
  3. maximum possible amount of product that can be produced from the chemical reaction of a given amount of reactant
  4. ratio of moles of one substance to another
  5. the substances being made in chemical reaction; the substances on the right side of the arrow in a chemical equation.
  6. compares the actual and theoretical yield
  7. a small unit of measurement
  8. process of using a balanced equation to determine the relative masses reactants and products involved the reaction
  9. it is calculated by adding up the atomic masses of all elements in the compound

14 Clues: a small unit of measurement • compares the actual and theoretical yield • ratio of moles of one substance to another • used up when the reaction is run to completion • the number to the left of a substance in a chemical • reactant that is not used up when a reaction is run to completion • refers to the number of atoms, particles, or molecules in one mole • ...

Challenge It! 2026-02-20

Challenge It! crossword puzzle
Across
  1. A violent expansion in which energy is transmitted outward as a shockwave.
  2. The study of matter and how substances interact with each other.
  3. Increased temperature after a chemical reaction.
  4. Electron, Neutron, Proton.
  5. The links between atoms.
  6. Changes shape and form (state of matter) without changing the substance.
  7. A sudden change of color unexpectedly after a chemical reaction.
  8. Solid, Liquid, and Gas.
Down
  1. Something that causes a substance to be deposited in solid form from a solution.
  2. A sudden rise or fall in temperature unexpectedly after a chemical reaction.
  3. A process where one or more substances (reactants) undergo a chemical change to form one or more new substances (products) with different chemical properties and compositions.
  4. Decreased temperature after a chemical reaction.
  5. Breaking and forming chemical bonds.
  6. On fire.

14 Clues: On fire. • Solid, Liquid, and Gas. • The links between atoms. • Electron, Neutron, Proton. • Breaking and forming chemical bonds. • Increased temperature after a chemical reaction. • Decreased temperature after a chemical reaction. • The study of matter and how substances interact with each other. • A sudden change of color unexpectedly after a chemical reaction. • ...

9th 3rdt 2025-05-22

9th 3rdt crossword puzzle
Across
  1. Substances formed as a result of a chemical reaction.
  2. Reaction where one element replaces another element or trade places.
  3. _____ bond is the force of attraction that holds two atoms together.
  4. Substances that enter into a chemical reaction.
  5. Ion that form when atoms gain valence electrons.
  6. Chemical bond formed when two atoms share electrons.
Down
  1. Type of covalent bond where electrons are shared unequally.
  2. Reaction where compounds break down into simpler products.
  3. Reaction where elements combine to form a more complex substance.
  4. Compound that forms when opposite charges attract.
  5. Electrons that have the highest energy in an atom.
  6. Atom or group of atoms that have an electric charge.
  7. A chemical _____ forms new substances with new properties and have a change in energy.

13 Clues: Substances that enter into a chemical reaction. • Ion that form when atoms gain valence electrons. • Compound that forms when opposite charges attract. • Electrons that have the highest energy in an atom. • Atom or group of atoms that have an electric charge. • Chemical bond formed when two atoms share electrons. • ...

Phy/Che. Properties and Endo./Exo. 2022-05-16

Phy/Che. Properties and Endo./Exo. crossword puzzle
Across
  1. state of matter with no fixed shape and volume. 3 words
  2. ______ = mass x gravity
  3. a _____ point is a temperature when liquid changes matter to gas
  4. a chemical reaction that releases heat
  5. a chemical _____ is a equation that shows the process that occurred during the chemical reaction
  6. amount of mass in a specific space
  7. a _____ reaction occurs when molecules goes through a molecular rearrangement to produce a physical change.
  8. a _____ reaction is a process of one or more atoms rearrange to form different substances/molecules
Down
  1. state of matter with definite mass, volume and shape. 5 words
  2. my favorite subject. 4 words
  3. my SECOND favorite subject. 7 words
  4. state of matter with fixed shape but no specific shape. 6 words
  5. the temperature when a solid changes matter to liquid
  6. how much matter an object contains/has
  7. a chemical reaction that requires to absorbs heat

15 Clues: ______ = mass x gravity • my favorite subject. 4 words • amount of mass in a specific space • my SECOND favorite subject. 7 words • how much matter an object contains/has • a chemical reaction that releases heat • a chemical reaction that requires to absorbs heat • the temperature when a solid changes matter to liquid • ...

Chemistry terms 2021-11-09

Chemistry terms crossword puzzle
Across
  1. when the amount of substance b went down the reaction rate went up
  2. ingredients of a chemical reaction
  3. solid that emerges from a liquid
  4. the speed at which a chemical reaction takes place
  5. results of a chemical reaction
Down
  1. a reaction that absorbs energy
  2. a reaction that releases energy
  3. this reduces the activation energy needed for a chemical reaction
  4. a reaction that changes the identity of a substance
  5. when this went up the reaction rate went down
  6. arrow pointing to the right

11 Clues: arrow pointing to the right • a reaction that absorbs energy • results of a chemical reaction • a reaction that releases energy • solid that emerges from a liquid • ingredients of a chemical reaction • when this went up the reaction rate went down • the speed at which a chemical reaction takes place • a reaction that changes the identity of a substance • ...

8th Grade Chemistry 2013-06-12

8th Grade Chemistry crossword puzzle
Across
  1. substance that can't be separated into simpler substances
  2. of the atom in a positively charged region
  3. repeating pattern
  4. conductors, dull
  5. of an object or system
  6. equation/description of a chemical reaction using chemical symbols and formulas
  7. particle of matter and cannot be separated
Down
  1. columns on the periodic table
  2. conductors, malleable, ductile, and shiny
  3. conductors, have properties of metals and nonmetals
  4. charged particles in atoms
  5. materials in a chemical reaction
  6. substance in a chemical reaction
  7. law/chemical and physical properties of elements are periodic functions of their atomic number
  8. rows on the periodic table
  9. electrons/outermost energy level in an atom

16 Clues: conductors, dull • repeating pattern • of an object or system • charged particles in atoms • rows on the periodic table • columns on the periodic table • materials in a chemical reaction • substance in a chemical reaction • conductors, malleable, ductile, and shiny • of the atom in a positively charged region • particle of matter and cannot be separated • ...