chemical reaction Crossword Puzzles

Chemical Compounds 2016-01-16

Chemical Compounds crossword puzzle
Across
  1. A basic unit of a chemical element.
  2. Bond: The type of bond formed when Zn(NO3)2 is produced.
  3. Bond: The type of bond formed in NaCl.
  4. Equation: Symbolic representation of a chemical reaction.
  5. Mass: Physical property.
  6. Substance that is formed ion a chemical reaction.
  7. Replacement: Zn + 2HCl -> ZnCl2 + H2
  8. When a compounds' shape is NOT symmetrical.
  9. 2NaCl -> 2Na + Cl2
  10. The driving force for an electron (Ex. Mg2+).
  11. Shape of CH4.
  12. Substance: A single hydrogen atom is one of these.
  13. When an elements' charge is increased in a chemical equation.
  14. Series: A useful guide for predicting products of metal displacement.
  15. Metal: A metal by itself in a chemical equation.
  16. When an elements' charge is reduced in a chemical equation.
Down
  1. Of Conservation: Matter can't be created or destroyed.
  2. Replacement: HCl + AgNO3 -> AgCl + HNO3
  3. Polar: when a compounds' shape IS symmetrical.
  4. Planar: Shape of BBr3.
  5. Pyramidal: Shape of NCl3.
  6. Br2, I2, N2, Cl2, H2, O2, F2
  7. C2H3O2 -> CO2 + H2O
  8. A number or symbol multiplied with a variable.
  9. Substance that changes in a chemical reaction.
  10. A lasting attraction between atoms.
  11. Na + Cl -> NaCl
  12. Charge: Ag, Zn, Al are examples of this.
  13. Shape of H2O.
  14. Zncl2 is an example of this.
  15. Shape of BeH2.
  16. The process of reactants forming a product.

32 Clues: Shape of H2O. • Shape of CH4. • Shape of BeH2. • Na + Cl -> NaCl • 2NaCl -> 2Na + Cl2 • C2H3O2 -> CO2 + H2O • Planar: Shape of BBr3. • Mass: Physical property. • Pyramidal: Shape of NCl3. • Br2, I2, N2, Cl2, H2, O2, F2 • Zncl2 is an example of this. • A basic unit of a chemical element. • A lasting attraction between atoms. • Replacement: Zn + 2HCl -> ZnCl2 + H2 • ...

Unit 2 Chemistry 2023-11-09

Unit 2 Chemistry crossword puzzle
Across
  1. substance formed by the chemical combination of two or more elements in definite proportions
  2. the measurement of the amount of solute dissolved in a fixed amount of the solution
  3. A liquid substance capable of dissolving other substances
  4. A reaction that ABSORBS energy in the form of heat, it is required to start the reaction
  5. The ease and speed with which an element combines, or reacts, with other elements and compounds.
  6. the process in which atoms are rearranged to produce new substances
  7. A reaction that releases energy in the form of heat
  8. A group of atoms bonded together
  9. mixture in which two or more substances are so completely blended that it looks like it is made of only one substance
  10. A substance formed/produced in a chemical reaction
  11. A combination of chemical symbols and numbers to represent a substance
  12. A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were.
  13. a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas
  14. A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  15. A mixture in which particles can be seen and easily separated by settling or filtration
Down
  1. Matter is not created nor destroyed in any chemical or physical change
  2. A substance that is being dissolved in a solution
  3. the ability of one substance to dissolve in another at a given temperature and pressure
  4. a mixture in which the composition is uniform throughout
  5. A system in which both energy and matter can be exchanged between the system and its surroundings
  6. A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
  7. A combination of two or more substances that are not chemically combined
  8. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  9. A system in which mass is conserved inside the system but energy can enter or leave the system freely
  10. substances that participate in a chemical reaction, the starting substances

25 Clues: A group of atoms bonded together • A substance that is being dissolved in a solution • A substance formed/produced in a chemical reaction • A reaction that releases energy in the form of heat • a mixture in which the composition is uniform throughout • A liquid substance capable of dissolving other substances • ...

TYPES OF CHEMICAL REACTIONS 2024-05-05

TYPES OF CHEMICAL REACTIONS crossword puzzle
Across
  1. The name of the process by which basic copper carbonate and silver sulphide is formed on copper and silver respectively.
  2. A reaction in which an insoluble salt is formed.
  3. The experimental setup with which the electrolysis of an electrolyte like water or brine is done.
  4. The electrode that is connected to the negative terminal of the battery.
  5. A common name for the compound which is formed from the combination of quicklime and water. It is also used for whitewashing walls.
  6. A substance that inhibits or slows down oxidation.
  7. A reaction in which an acid and base react to form a salt and water.
  8. A reaction in which a single product is formed from two or more reactants.
  9. Gradual destruction of a metal when it is exposed to moisture, oxygen, acids, or certain gases in the atmosphere.
  10. The common name of the layer that is formed on iron when it is exposed to moisture and oxygen.
  11. Substance that is formed after a chemical change. They are usually found towards the right of the arrow in a chemical equation.
  12. The substance that gets oxidised is also known as this.
  13. The type of decomposition that occurs due to supply of heat. This reaction occurs when hydrated ferrous sulphate crystals are heated.
  14. Chip packets are flushed with this gas to prevent the chips from becoming rancid.
Down
  1. A reaction in which a single reactant is broken down into simpler products.
  2. A reaction in which a highly reactive metal displaces/replaces a lesser reactive metal from its salt solution.
  3. Substance that undergo a chemical change. They are usually found towards the left of the arrow in a chemical equation.
  4. The name of the insoluble solid that is formed during a precipitation reaction.
  5. The type of decomposition that occurs due to passing of electricity through a compound.
  6. A substance that increases or decreases the rate of a chemical reaction without being consumed itself.
  7. A reaction in which heat energy is absorbed from the surroundings.
  8. A reaction in which two reacting compounds exchange their ions in aqueous solutions.
  9. The electrode that is connected to the positive terminal of the battery.
  10. The oxidation of oil or fat containing food items when they are kept in the open for a long time, resulting in unpleasant odour or taste.
  11. Compounds that contain molecules of water of crystallisation.
  12. The substance that gets reduced is also known as this.
  13. The reaction that occurs when a substance loses oxygen or gains hydrogen.
  14. The type of decomposition that occurs due to exposure to sunlight. This reaction occurs with compounds like silver chloride and silver bromide.
  15. The reaction in which both reduction and oxidation occur.
  16. A reaction in which heat energy is released into the surroundings.
  17. The reaction that occurs when a substance gains oxygen or loses hydrogen.

31 Clues: A reaction in which an insoluble salt is formed. • A substance that inhibits or slows down oxidation. • The substance that gets reduced is also known as this. • The substance that gets oxidised is also known as this. • The reaction in which both reduction and oxidation occur. • Compounds that contain molecules of water of crystallisation. • ...

Chemistry Bonus 2024-05-02

Chemistry Bonus crossword puzzle
Across
  1. something made as a result of a chemical reaction.
  2. a description of a chemical reaction, including what reacts, what is produced, and which direction(s) the reaction proceeds.
  3. occurs in reversible reactions when the forward rate of the reaction is the same as the reverse rate of the reaction.
  4. is when a solid changes directly into a gas.
  5. a chemical bond formed when two atoms share two electrons.
  6. measure of the average kinetic energy of particles.
  7. is an element belonging to Group II of the periodic table.
  8. a row (left to right) of the periodic table.
  9. a procedure in which the concentration of an acid or base is determined by measuring how much base or acid is required to neutralize it.
  10. amount of matter in a substance. It is commonly reported in units of grams.
  11. include any chemical that gives off protons or H+ in water.Have a pH of less than 7
  12. a measure of how close a measured value is to its true value.
Down
  1. the temperature and pressure at which the solid, liquid, and vapor phases of a substance exist in equilibrium.
  2. An ionic compound formed from reacting an acid and a base.
  3. Avogadro's number (6.02 x 1023) of anything.
  4. a process that absorbs heat. Endothermic reactions feel cold.
  5. a substance that lowers the activation energy of a reaction or speeds it up without being consumed by the reaction.
  6. a measure of the amount of energy in a system.
  7. he substance that gets dissolved in a solvent. Usually, it refers to a solid that is dissolved in a liquid.
  8. A strong acid is an acid that completely dissociates in water.
  9. a process that gives off heat.

21 Clues: a process that gives off heat. • Avogadro's number (6.02 x 1023) of anything. • is when a solid changes directly into a gas. • a row (left to right) of the periodic table. • a measure of the amount of energy in a system. • something made as a result of a chemical reaction. • measure of the average kinetic energy of particles. • ...

Chemical Reactions! 2023-03-29

Chemical Reactions! crossword puzzle
Across
  1. Chemical reaction that involves the transfer of electrons between two or more species
  2. Chemical reaction where two or more substances combine to form a single product
  3. Chemical reaction where one element in a compound is replaced by another element
  4. Chemical reaction where the cations and anions of two different compounds switch places
Down
  1. Substance that undergoes a chemical change in a reaction
  2. Chemical reaction where a single substance breaks down into two or more products
  3. Substance that increases the rate of a chemical reaction
  4. Substance that slows down or stops a chemical reaction
  5. Substance formed from a chemical reaction

9 Clues: Substance formed from a chemical reaction • Substance that slows down or stops a chemical reaction • Substance that undergoes a chemical change in a reaction • Substance that increases the rate of a chemical reaction • Chemical reaction where two or more substances combine to form a single product • ...

Chemical Reaction Crossword 2022-08-28

Chemical Reaction Crossword crossword puzzle
Across
  1. When two or more DIFFERENT elements are chemically bonded.
  2. A subatomic particle with a neutral charge.
  3. A substance that takes part in and undergoes change during a chemical reaction.
  4. A subatomic particle with a negative charge.
  5. When one or more substances change to produce one or more substances.
Down
  1. Formed when two or more atoms join together chemically.
  2. An insoluble solution formed from a chemical reaction.
  3. A subatomic particle with a positive charge.
  4. Method of changing one or more chemicals or chemical compounds.
  5. A substance produced during a chemical reaction.
  6. The smallest particle of an element. Made of protons, neutrons, and electrons.

11 Clues: A subatomic particle with a neutral charge. • A subatomic particle with a positive charge. • A subatomic particle with a negative charge. • A substance produced during a chemical reaction. • An insoluble solution formed from a chemical reaction. • Formed when two or more atoms join together chemically. • When two or more DIFFERENT elements are chemically bonded. • ...

Chemisty Rules 2013-06-13

Chemisty Rules crossword puzzle
Across
  1. A new substance produced in a chemical reaction
  2. Occurs when the form of a substance changes, but the kind of the substance remains the same.
  3. The breakdown of a metallic substance due to a chemical reaction which substances in the environment.
  4. The properties that show how a substance reacts when combined with other substances.
  5. A compound produced when iron reacts with oxygen and water in the environment.
  6. A plasic made from scratch derived from plants like corn and potato.
  7. a letter/ letters of the alphabet used to represent an atom of a specific chemical element.
  8. The ability for a substance to transfer heat.
  9. A large molecule made up of small repeating subunits chemically bonded together.
  10. capable of decomposing by the action of micro-organisms.
  11. Both a philosophy and an ancient practice of science
  12. The properties of a substance that can be obercved or examined without changing the composition of a substance.
  13. a row across the periodic table.
  14. A pure substance made up of two or more different atoms chemically bond together.
  15. A substance made up of different types of particles, physically combined.
Down
  1. When the chemical makeup of a substance changes and a new substance or substances are formed.
  2. A column down the periodic table
  3. The ability of a substance to catch fire.
  4. The ability of a substance to transfer electricity
  5. The green patina caused by the reaction of copper with the air or sea water over a long period of time.
  6. How shiny a material is.
  7. The ability of a substance to bend or to be hammered into different shapes.
  8. Does not break down.
  9. A pure substance made up of only one type of atom and can only be broken down into protons, eletrons & neutrons which are made of one proton and one electron. Protons can them be proken down into quarks, anti quarks-downand semi quarks.
  10. a collection of sympols and numbers that represent the number of atoms in a particle of an element or compound.
  11. The ability of a substance to be drawn into wires.
  12. How poisonous a substance is.
  13. A characteristic or feature of a substance.
  14. Reaction Occurs when a substance changes to produce a new substance.
  15. A substance used up in a chemical reaction.
  16. A molecule consisting of two atoms.

31 Clues: Does not break down. • How shiny a material is. • How poisonous a substance is. • A column down the periodic table • a row across the periodic table. • A molecule consisting of two atoms. • The ability of a substance to catch fire. • A characteristic or feature of a substance. • A substance used up in a chemical reaction. • The ability for a substance to transfer heat. • ...

Redox Reaction 2020-07-01

Redox Reaction crossword puzzle
Across
  1. Number assigned to keep track of electron gain or loss in redox reactions.
  2. A process in which an electric current forces a nonspontaneous reaction to occur.
  3. Electrochemical cell in which a spontaneous chemical reaction causes a flow of electrons
  4. Is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change.
  5. Reaction that shows either the oxidation or reduction portion of a redox reaction.
  6. The negatively charged electrode of an electrical device.
  7. A cell that requires a nonspontaneous chemical reaction to occur (uses battery).
Down
  1. A substance that tends to bring about reduction by being oxidized and losing electrons.
  2. Site at which oxidation or reduction; an anode or cathode.
  3. A system in which there's an electric current flowing while a chemical reaction occurs.
  4. The loss of electron.
  5. An oxidation-reduction reaction.
  6. The gain of electron.
  7. Part of a voltaic cell that connects two containers and allows flow of ions.
  8. A substance that tends to bring about oxidation by being reduced and gaining electrons.
  9. The positively charged electrode of an electrical device.

16 Clues: The loss of electron. • The gain of electron. • An oxidation-reduction reaction. • The positively charged electrode of an electrical device. • The negatively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

Green chemistry 2017-10-19

Green chemistry crossword puzzle
Across
  1. group of atoms
  2. drug wich can be manufactured by green chemistry
  3. a solution that has water as solvent
  4. product we use to create a chemical reaction
  5. thanks to catalyst it create less of this
  6. process of making pressure in a liquid and then making liquid evaporate at lower temperature
  7. particule made of electron(s) proton(s) and neutron(s)
  8. object making a faster reaction at lower temperature0
Down
  1. the result of the chemical reaction
  2. liquid use to detect carbon dioxide
  3. major problem of the earth because of the humans
  4. first state of matter at lower temperature
  5. solid product of a chemical reaction
  6. cloth we have to wear during a chemistry experiment
  7. something everywere in what we eat, what we wear, what we breathe

15 Clues: group of atoms • the result of the chemical reaction • liquid use to detect carbon dioxide • solid product of a chemical reaction • a solution that has water as solvent • thanks to catalyst it create less of this • first state of matter at lower temperature • product we use to create a chemical reaction • major problem of the earth because of the humans • ...

4.2 Describing Chemical Reactions 2024-02-05

4.2 Describing Chemical Reactions crossword puzzle
Across
  1. substances at the beginning of a reaction
  2. when one element replaces another element in a compound
  3. new substances after the reaction is complete
  4. developed the principle of the law of conservation of mass
  5. a way to show a chemical reaction using symbols
  6. matter does not enter or leave
Down
  1. compounds break down into simpler products
  2. matter can enter or escape to the surroundings
  3. two or more elements combine to make a more complex substance
  4. an example of an open system
  5. fuel cells react with oxygen to generate energy
  6. a number placed in front of a chemical formula in an equation
  7. to balance a chemical equation both sides of the equation must have the __ number of atoms
  8. in a chemical reaction the arrow reads as ___
  9. is not created or destroyed

15 Clues: is not created or destroyed • an example of an open system • matter does not enter or leave • substances at the beginning of a reaction • compounds break down into simpler products • new substances after the reaction is complete • in a chemical reaction the arrow reads as ___ • matter can enter or escape to the surroundings • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. An enzyme found in plant and animal cells.
  2. The smallest part of an element that is representative of that element.
  3. Invisible negatively charged particle that orbits the nucleus of an atom.
  4. Vertical column of elements in the table.
  5. Produced when two non-metals are combined.
  6. Can be in-between metals and non-metals.
  7. Produced when a metal and non-metal are combined.
  8. Positively charged particle in the nucleus of an atom.
  9. Came from the Greek word,"khemia" meaning juice of a plant.
  10. Positive charges.
  11. The number that represents the amount of atoms in a chemical formula.
  12. Substances that start a reaction.
  13. The positive charged centre of an atom.
  14. A chemical change, which releases heat energy
Down
  1. Anything that has mass and occupies space.
  2. Substance(s) created by a reaction.
  3. A slow chemical reaction in which the metal is decomposed when it reacts with oxygen.
  4. Group 9, period 6.
  5. Neutral particle in the nucleus of an atom.
  6. The speed of a chemical reaction.
  7. Measure of atomic mass; (amu).
  8. Group 15, period 7.
  9. An organic catalyst.
  10. Horizontal row of elements in the periodic table.
  11. Most reactive non-metals.

25 Clues: Positive charges. • Group 9, period 6. • Group 15, period 7. • An organic catalyst. • Most reactive non-metals. • Measure of atomic mass; (amu). • The speed of a chemical reaction. • Substances that start a reaction. • Substance(s) created by a reaction. • The positive charged centre of an atom. • Can be in-between metals and non-metals. • Vertical column of elements in the table. • ...

Chemistry crossword 2015-11-17

Chemistry crossword crossword puzzle
Across
  1. Vertical column of elements in the periodic table
  2. Neutral particle in a nucleus of an atom
  3. Hydrogen Symbol
  4. An experiment in which is one or more products of a chemical reaction can escape
  5. A reaction that takes place when two or more substances form new substances
  6. Dull, Brittle element that does not conduct electricity.
  7. Change that results when two or more substances react to create a different substance or substances
  8. Smallest part of a element
  9. something that resists electricity
  10. Invisible negatively charged particle that orbits the neclues of an atom
  11. Water's chemical formula
  12. Change of state from liquid to solid
  13. Gold Symbol
  14. The most reactive element
  15. Group 1 elements in the periodic table. Not including oxygen
Down
  1. Combining of pure substance
  2. reaction Chemical reaction that absorbs energy
  3. A compound made from a non-metal and a non-metal
  4. Change of state from solid to liquid
  5. orbit of electrons around the nucleus of an atom
  6. Number of protons in a nucleus
  7. Slow chemical change that occurs when oxygen in the air reacts with metal
  8. Gases least reactive non metal
  9. Gas, Solid and Liquid
  10. Potassium Symbol

25 Clues: Gold Symbol • Hydrogen Symbol • Potassium Symbol • Gas, Solid and Liquid • Water's chemical formula • The most reactive element • Smallest part of a element • Combining of pure substance • Number of protons in a nucleus • Gases least reactive non metal • something that resists electricity • Change of state from solid to liquid • Change of state from liquid to solid • ...

Unit B Vocab 2017-11-08

Unit B Vocab crossword puzzle
Across
  1. anything that has makes and takes up space
  2. A new substance formed in a chemical reaction
  3. A compound that forms from a combination of two non-metals
  4. The most reactive group of metals
  5. Anything on the Periodic Table
  6. a chemical reaction which one or more reactants can escape
  7. Scientist famous for the billiard ball theory and the first atomic symbols
  8. Organic catalysts found in your body
  9. When Two nonmetals are combined
  10. An element in between a metal and non-metal
  11. A slow chemical reaction when metal is eaten away
  12. Abbreviation for Workplace Hazardous Material Information System
  13. A gas important for our survival
Down
  1. Really reactive non-metals
  2. The most unreactive non-metals
  3. A combination of two or more substances
  4. pounded or rolled into sheets
  5. A negative charge in an atom
  6. To eat away
  7. A chemical reaction which forms a new substance and gives off energy
  8. Mixture of two or more pure substances that look like one
  9. a clouded mixture that can't be separated
  10. The substances that react with one another
  11. stretching metal into a long wire
  12. The atomic symbol for Mercury

25 Clues: To eat away • Really reactive non-metals • A negative charge in an atom • pounded or rolled into sheets • The atomic symbol for Mercury • The most unreactive non-metals • Anything on the Periodic Table • When Two nonmetals are combined • A gas important for our survival • The most reactive group of metals • stretching metal into a long wire • Organic catalysts found in your body • ...

enzymes 2025-04-27

enzymes crossword puzzle
Across
  1. reactions used to break apart molecules
  2. when an enzyme loses its shape and can’t work anymore
  3. the region on an enzyme where a substrate binds
  4. a measure of acidity and alkalinity that affects enzymes
  5. reactions used to build proteins
  6. what type of molecule most enzymes are made from
  7. the energy required to start a chemical reaction.
  8. the best condition for an enzyme to work at its fastest
  9. model describing the exact fit between enzyme and substrate
Down
  1. enzymes help speed up all the important chemical reactions needed for these to happen in living things
  2. model where the enzyme slightly changes shape to fit the substrate
  3. the molecule an enzyme acts on
  4. hot or cold...effects the rate of enzyme reactions
  5. a gas that affects the rate of enzyme function
  6. when all the enzyme active sites are full, and adding more substrate doesn’t speed up the reaction
  7. substances that bind to enzymes and decrease their ability to function
  8. how quickly a chemical reaction happens
  9. a substance that speeds up a chemical reaction
  10. the amount of enzyme or substrate present, affects rate of reactions
  11. what speeds up reactions without being used up?

20 Clues: the molecule an enzyme acts on • reactions used to build proteins • reactions used to break apart molecules • how quickly a chemical reaction happens • a gas that affects the rate of enzyme function • a substance that speeds up a chemical reaction • the region on an enzyme where a substrate binds • what speeds up reactions without being used up? • ...

Redox Reaction 2020-07-01

Redox Reaction crossword puzzle
Across
  1. Part of a voltaic cell that connects two containers and allows flow of ions.
  2. An oxidation-reduction reaction.
  3. The positively charged electrode of an electrical device.
  4. A process in which an electric current forces a nonspontaneous reaction to occur.
  5. Number assigned to keep track of electron gain or loss in redox reactions.
  6. A system in which there's an electric current flowing while a chemical reaction occurs.
  7. Reaction that shows either the oxidation or reduction portion of a redox reaction.
Down
  1. Site at which oxidation or reduction; an anode or cathode.
  2. A cell that requires a nonspontaneous chemical reaction to occur (uses battery).
  3. Electrochemical cell in which a spontaneous chemical reaction causes a flow of electrons
  4. A substance that tends to bring about reduction by being oxidized and losing electrons.
  5. The loss of electron.
  6. A substance that tends to bring about oxidation by being reduced and gaining electrons.
  7. The negatively charged electrode of an electrical device.
  8. The gain of electron.
  9. Is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change.

16 Clues: The loss of electron. • The gain of electron. • An oxidation-reduction reaction. • The positively charged electrode of an electrical device. • The negatively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

Redox Reaction 2020-07-01

Redox Reaction crossword puzzle
Across
  1. The loss of electron.
  2. An oxidation-reduction reaction.
  3. The negatively charged electrode of an electrical device.
  4. Electrochemical cell in which a spontaneous chemical reaction causes a flow of electrons
  5. A system in which there's an electric current flowing while a chemical reaction occurs.
  6. Is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change.
  7. A cell that requires a nonspontaneous chemical reaction to occur (uses battery).
  8. A substance that tends to bring about reduction by being oxidized and losing electrons.
Down
  1. The positively charged electrode of an electrical device.
  2. A substance that tends to bring about oxidation by being reduced and gaining electrons.
  3. Number assigned to keep track of electron gain or loss in redox reactions.
  4. Part of a voltaic cell that connects two containers and allows flow of ions.
  5. The gain of electron.
  6. A process in which an electric current forces a nonspontaneous reaction to occur.
  7. Reaction that shows either the oxidation or reduction portion of a redox reaction.
  8. Site at which oxidation or reduction; an anode or cathode.

16 Clues: The loss of electron. • The gain of electron. • An oxidation-reduction reaction. • The positively charged electrode of an electrical device. • The negatively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

Chapter 7 vocab. 2021-12-09

Chapter 7 vocab. crossword puzzle
Across
  1. releases heat energy.
  2. absorbs heat energy.
  3. the amount of substance presents in a certain volume.
  4. substance that speeds up a chemical reaction.
  5. tells how fast a reaction occurs after it has started.
Down
  1. the energy that starts a chemical reaction.
  2. the substance that slows down a chemical reaction.
  3. part of the equation on the right side.
  4. shows the reactants, products, physical state, and the extra stuff of each substance.
  5. is the process that makes a chemical change.
  6. part of the equation on the left side.
  7. large protein molecules that speed up a reaction needed for the cells to work correctly.

12 Clues: absorbs heat energy. • releases heat energy. • part of the equation on the left side. • part of the equation on the right side. • the energy that starts a chemical reaction. • is the process that makes a chemical change. • substance that speeds up a chemical reaction. • the substance that slows down a chemical reaction. • ...

2nd 9 Weeks Vocabulary 2023-03-21

2nd 9 Weeks Vocabulary crossword puzzle
Across
  1. 88 elements to the left of the stair step line; most are solid at room temperature.
  2. Are found to the right of the stair step line, most are gas at room temperature.
  3. Negatively charged subatomic particle –
  4. Small numbers found in some chemical formulas that tell you the number of atoms of each element present, if there is not a number it is understood as 1
  5. The recipe for a chemical substance. Tells the number of atoms of each element in a compound or molecule
  6. Occurs when two or more molecules interact and the molecules change into a new substance. Bonds between atoms are broken and created to form new molecules.
  7. A pure substance that cannot be broken down into any other substance
  8. Has a definite and constant composition, can be either an element or compound
  9. A shorthand that scientists use to describe a chemical reaction.
  10. Positively charged subatomic particle +
  11. A pure substance formed when two or more elements have chemically combined through a chemical reaction to form a new substance It is represented by a formula
Down
  1. The basic building blocks of ordinary matter
  2. No electrical charge
  3. A combination of many different elements, not chemically combined, can be separated
  4. Anything that has mass and takes up space4
  5. 2 or more atoms (the same type of atom O2, or different atoms H2O) bonded together, Represents the smallest particle in a chemical compound that can take place in a chemical reaction
  6. The amount of matter in a particle or object
  7. Changes the form or appearance of a substance. Does not change substance into anything new.
  8. The number in front of the element symbol that indicates the number of molecules in a chemical equation. If there is not one in front of a molecule, it is an understood 1.
  9. Elements on both sides of the Boron stair-step zigzag line that have properties of both metals and nonmetals.

20 Clues: No electrical charge • Negatively charged subatomic particle – • Positively charged subatomic particle + • Anything that has mass and takes up space4 • The basic building blocks of ordinary matter • The amount of matter in a particle or object • A shorthand that scientists use to describe a chemical reaction. • ...

Chemistry Crossword 2025-07-15

Chemistry Crossword crossword puzzle
Across
  1. To divide something using a sharp tool.
  2. The smallest unit of matter.
  3. A tiny piece that makes up matter.
  4. A hot, charged state of matter found in stars and lightning.
  5. The new substance made in a chemical reaction.
  6. When a solid turns into a liquid.
  7. A chemical change involving oxygen (like rusting).
  8. To change the shape of something without breaking it.
  9. Two or more substances combined without bonding.
  10. When substances change to make something new.
  11. When gas changes into a liquid.
  12. A state of matter with a fixed shape and volume.
  13. The path where electrons move around the nucleus.
  14. When a liquid becomes a gas quickly by heating.
  15. A chemical reaction where simpler substances form a more complex one.
  16. The centre of an atom containing protons and neutrons.
  17. A negatively charged particle that orbits the nucleus.
  18. A positively charged particle in the nucleus.
  19. To take substances apart.
Down
  1. A chemical reaction that breaks a compound into simpler parts.
  2. A chemical reaction that involves burning.
  3. Two or more atoms joined together.
  4. A substance made of different types of atoms bonded together.
  5. When a solid mixes into a liquid to form a solution.
  6. When a liquid slowly changes into a gas.
  7. A chemical change where oxygen is removed.
  8. When a solid turns straight into a gas.
  9. To combine two or more substances.
  10. A state of matter that flows and takes the shape of its container.
  11. An atom that has gained or lost electrons and has a charge.
  12. To press something until it breaks or loses shape.
  13. When atoms join together.
  14. The slow breakdown of metals (like rust).
  15. How much mass is in a certain volume.
  16. A state of matter that spreads out to fill any space.
  17. The form or outline of an object.
  18. A substance made of only one kind of atom.
  19. A particle with no charge found in the nucleus.
  20. The starting substances in a chemical reaction.
  21. When a liquid becomes a solid.

40 Clues: When atoms join together. • To take substances apart. • The smallest unit of matter. • When a liquid becomes a solid. • When gas changes into a liquid. • When a solid turns into a liquid. • The form or outline of an object. • Two or more atoms joined together. • A tiny piece that makes up matter. • To combine two or more substances. • How much mass is in a certain volume. • ...

Terms for chemistry 2021-02-09

Terms for chemistry crossword puzzle
Across
  1. two reacting chemical compounds which create more products.
  2. A fluid that is in the air. It is clear so you cannot really see it but it is a state of matter.
  3. products are the ending symbol from a chemical equation.
  4. composed of only two atoms, of the same or different chemical elements.
  5. It leads to the chemical transformation of one of the chemical equations to another.
  6. any substance composed of identical molecules consisting of atoms of two or more chemical elements.
  7. a multiplier or factor that measures some property.
  8. It is a fluid that does not have an exact shape.
  9. the process of telling solid shapes to be turned in by solution to a insoluble form.
Down
  1. numbers and things that is involved during a reaction.
  2. occurs when one element replaces another element in one compound.
  3. occurs when two different atoms interact to make a different molecules or compounds.
  4. measured in quantity of moles and it used for when a chemical equation occurs.
  5. It is shown in chemical equations and the solution in the solvent is water.
  6. chemical reaction in which acid and a base react quantitatively with each other.
  7. it’s a chemical breakdown that breaks molecules together down so that new atoms are formed.
  8. a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  9. An object that represents a shape and is not a liquid.
  10. It is a chemical reaction shown by symbols.
  11. it is a number represents numbers and it is found in the baseline next to the number.

20 Clues: It is a chemical reaction shown by symbols. • It is a fluid that does not have an exact shape. • a multiplier or factor that measures some property. • numbers and things that is involved during a reaction. • An object that represents a shape and is not a liquid. • products are the ending symbol from a chemical equation. • ...

Bio unit one (everything except glassware) 2022-12-07

Bio unit one (everything except glassware) crossword puzzle
Across
  1. A kind of protien that is used to aid in reactions
  2. Water loving
  3. monomer of proteins
  4. one sugar molecule
  5. Different structures of molecules with one element ie diamond vs coal(both are carbon)
  6. 2 sugar molecule
  7. A chemical-reaction that results in water being added
  8. A molecule that consists of smallermolecules poly
  9. monomer of neucleic acids
  10. A chemical-reaction that goes from many small to one large molecules
  11. Polymer of proteins
  12. A solution with a ph of more than 7
  13. the kind of fat without double bonds
  14. forces within a molecule
  15. Fast energy, Sugars, Biomolecule
Down
  1. many sugar molecules
  2. Base biomolecule Used in DNA and RNA
  3. a chemical-reaction that goes from one large to many small molecules
  4. A chemical-reaction that results in a water being removed
  5. Forces between distinct separate molecules
  6. Fastest energy but not good for long term storage, 3rd phosphate group broken to get energy from it
  7. A testable explanation for a phenomena
  8. Stores energy, generally hydrophobic, Biomolecule
  9. Enzymes, main cell structure, Biomolecule
  10. The kind of fat with double bonds
  11. A solution with a ph of less than 7

26 Clues: Water loving • 2 sugar molecule • one sugar molecule • monomer of proteins • Polymer of proteins • many sugar molecules • forces within a molecule • monomer of neucleic acids • Fast energy, Sugars, Biomolecule • The kind of fat with double bonds • A solution with a ph of more than 7 • A solution with a ph of less than 7 • Base biomolecule Used in DNA and RNA • ...

Chemical Reactions and Nomenclature 2024-01-24

Chemical Reactions and Nomenclature crossword puzzle
Across
  1. Usually contains H+
  2. Other word for covalent bond
  3. Prefix for "three"
  4. Compound with only nonmetals or more of them than metals
  5. Usually ends in OH
  6. Compounds as they are after a chemical reaction
  7. Connects the reactants to the products
  8. Prefix for "five"
  9. Prefix for "seven"
  10. Equation that supports the Law of Conservation of Mass
  11. Compounds as they are before a chemical reaction
  12. Compound with a metal and a nonmetal
  13. Prefix for "eight"
  14. Reaction type that ends in CO2 and H2O
  15. Reaction that ends with a salt and water
  16. Represents the number of atoms in a chemical equation for a given element
Down
  1. AB+CD->CB+AD
  2. Elements that don't naturally exist on their own
  3. Metals that use roman numerals for charge
  4. Prefix for "one"
  5. Prefix for "two"
  6. Prefix for "four"
  7. One reactant and multiple products
  8. Prefix for "nine"
  9. AB+C->CB+A
  10. Prefix for "six"
  11. Multiple reactants and one product
  12. Prefix for "ten"
  13. Represents the number of molecules in a chemical equation for a given element
  14. Suffix for the last nonmetal in a compound

30 Clues: AB+C->CB+A • AB+CD->CB+AD • Prefix for "one" • Prefix for "two" • Prefix for "six" • Prefix for "ten" • Prefix for "four" • Prefix for "nine" • Prefix for "five" • Prefix for "three" • Usually ends in OH • Prefix for "seven" • Prefix for "eight" • Usually contains H+ • Other word for covalent bond • One reactant and multiple products • Multiple reactants and one product • ...

Chemistry - Recap (SL) 2024-08-21

Chemistry - Recap (SL) crossword puzzle
Across
  1. - The electrons in the outermost shell of an atom.
  2. - Type of bond formed by the sharing of electrons between atoms.
  3. - The phase transition from solid to gas without passing through the liquid state.
  4. - A compound that contains water molecules within its crystal structure.
  5. - The table that organizes elements by their chemical properties.
  6. - Atoms of the same element with different numbers of neutrons.
  7. - The energy required to remove one mole of electrons from one mole of gaseous atoms.
  8. - Type of bond formed by the transfer of electrons.
  9. - A reaction where an atom gains electrons.
  10. - The attraction between atoms that allows the formation of chemical substances.
Down
  1. - The study of the rates of chemical reactions.
  2. - The SI unit for the amount of substance.
  3. - A substance that speeds up a chemical reaction without being consumed.
  4. - The number of particles in one mole of a substance.
  5. - A subatomic particle with a negative charge.
  6. - The number of protons in an atom's nucleus.
  7. - The simplest whole-number ratio of elements in a compound.
  8. - A subatomic particle with no charge found in the nucleus.
  9. - A reaction where an atom loses electrons.
  10. - A type of reaction that absorbs heat from the surroundings.

20 Clues: - The SI unit for the amount of substance. • - A reaction where an atom loses electrons. • - A reaction where an atom gains electrons. • - The number of protons in an atom's nucleus. • - A subatomic particle with a negative charge. • - The study of the rates of chemical reactions. • - The electrons in the outermost shell of an atom. • ...

Chemistry Revision Y9 2022-04-04

Chemistry Revision Y9 crossword puzzle
Across
  1. A subatomic particle with a positive charge.
  2. A chemical reaction in which heat is absorbed from surroundings.
  3. A negatively charged ion.
  4. An acid and base reaction produces...
  5. Mg
  6. A positively charged ion.
  7. A subatomic particle with a negative charge.
  8. The food produced during photosynthesis is a sugar known as...
  9. An acid and carbonate reaction produces...
  10. F
  11. NaOH
  12. H
  13. A chemical reaction in which heat is released into surroundings.
  14. C
  15. HCl
  16. The process that releases energy from glucose.
  17. The total number of protons and neutrons in the nucleus of an atom.
  18. N
  19. A series of chemical reactions that produce a plant's food.
  20. The form of cellular respiration that requires oxygen and glucose, however instead produces lactic acid instead of oxygen gas.
Down
  1. The green pigment found in leaves.
  2. KOH
  3. The energy produced from cellular respiration, shortened to ATP.
  4. The number of protons in the nucleus of an atom.
  5. An acid and base reaction is also known as...
  6. Na
  7. O
  8. The form of cellular respiration that requires oxygen and glucose.
  9. An acid and metal reaction produces...
  10. Li
  11. A subatomic particle with a neutral charge.

31 Clues: F • H • O • C • N • Mg • Na • Li • KOH • HCl • NaOH • A negatively charged ion. • A positively charged ion. • The green pigment found in leaves. • An acid and base reaction produces... • An acid and metal reaction produces... • An acid and carbonate reaction produces... • A subatomic particle with a neutral charge. • A subatomic particle with a positive charge. • ...

Layla's Crossword 2022-01-19

Layla's 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
  6. A substance that undergoes a chemical change in a chemical reaction.

10 Clues: A reaction that takes in energy • A solid that forms during a chemical reaction. • 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. • ...

Layla's Crossword 2022-01-19

Layla's 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
  6. A substance that undergoes a chemical change in a chemical reaction.

10 Clues: A reaction that takes in energy • A solid that forms during a chemical reaction. • 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. • ...

Vocab 2021-11-18

Vocab crossword puzzle
Across
  1. A factor that measures some properties.
  2. Reaction A chemical reaction in which heat energy is released.
  3. A substance that speeds up a chemical reaction but isn't a permanent change.
  4. Substance that forms as a result of a chemical reaction.
  5. reaction A process that produces chemical change, resulting in new substances.
Down
  1. A substance that exists before a chemical reaction begins.
  2. A substance that slows down a chemical reaction.
  3. A letter or number that is printed slightly below or the side of another character.
  4. equation A symbolic representation of a chemical reaction.
  5. Reaction A chemical reaction in which heat energy is absorbed.

10 Clues: A factor that measures some properties. • A substance that slows down a chemical reaction. • Substance that forms as a result of a chemical reaction. • A substance that exists before a chemical reaction begins. • equation A symbolic representation of a chemical reaction. • Reaction A chemical reaction in which heat energy is released. • ...

Vocab 2021-11-18

Vocab crossword puzzle
Across
  1. A substance that speeds up a chemical reaction but isn't a permanent change.
  2. equation A symbolic representation of a chemical reaction.
  3. Reaction A chemical reaction in which heat energy is released.
  4. reaction A process that produces chemical change, resulting in new substances.
  5. Substance that forms as a result of a chemical reaction.
  6. A letter or number that is printed slightly below or the side of another character.
Down
  1. A substance that slows down a chemical reaction.
  2. Reaction A chemical reaction in which heat energy is absorbed.
  3. A factor that measures some properties.
  4. A substance that exists before a chemical reaction begins.

10 Clues: A factor that measures some properties. • A substance that slows down a chemical reaction. • Substance that forms as a result of a chemical reaction. • A substance that exists before a chemical reaction begins. • equation A symbolic representation of a chemical reaction. • Reaction A chemical reaction in which heat energy is absorbed. • ...

Rates of reactions - Chemistry Topic 6 2023-07-03

Rates of reactions - Chemistry Topic 6 crossword puzzle
Across
  1. What has to be used to calculate the rate of reaction on a curved line of best fit
  2. A substance that speeds up a chemical reaction without being used up
  3. Variable in an investigation that is measured
  4. When no energy or matter can enter or exit
  5. A factor that affects the rate of reaction
  6. When the reactants and products have formed a balance
  7. The speed at which a reaction happens
  8. The theory of how chemical reactions occur
  9. A reaction in which energy is transferred from the reaction to the surroundings
Down
  1. Principle where if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change
  2. A reaction in which energy is transferred from the surroundings to the reaction
  3. A factor that affects the rate of reaction
  4. Measure of the relative clarity of a liquid
  5. When the reactants and products are present in a reversible reaction in unchanging amounts.
  6. Variable in an investigation that is changed
  7. In a reversible reaction, reaction which forms the products
  8. In a closed system, when reactants form products and then products re-form reactants
  9. In a reversible reaction, reaction which 're-forms' reactants
  10. A factor that affects the rate of reaction
  11. This is what is lowered by a catalyst to increase the rate of a reaction

20 Clues: The speed at which a reaction happens • When no energy or matter can enter or exit • A factor that affects the rate of reaction • A factor that affects the rate of reaction • A factor that affects the rate of reaction • The theory of how chemical reactions occur • Measure of the relative clarity of a liquid • Variable in an investigation that is changed • ...

Alex Schwemer 2019-10-18

Alex Schwemer crossword puzzle
Across
  1. what you add to the solvent
  2. a homogeneous mixture of at least two substances
  3. a property that cannot be seen unless its through a reaction
  4. same all the way through
  5. makes up everything
  6. The scientist that organized the periodic table.
Down
  1. a property that can be seen or changed without a chemical reaction
  2. a jelly substance that is formed
  3. a table that lists all the elements and their mass
  4. a solution that is completely full
  5. a substance that changes in a chemical reaction
  6. the end result of a chemical reaction
  7. The mass of an atom
  8. cannot be broken down into any simpler substance.
  9. composed of two or more elements
  10. what you start with in a mixture

16 Clues: The mass of an atom • makes up everything • same all the way through • what you add to the solvent • a jelly substance that is formed • composed of two or more elements • what you start with in a mixture • a solution that is completely full • the end result of a chemical reaction • a substance that changes in a chemical reaction • ...

science vocabulary 2016-01-15

science vocabulary crossword puzzle
Across
  1. The new substance formed by the chemical reaction
  2. Substances that have gone through a chemical reaction
  3. Alters form or appearance but does not make new substance
  4. No matter is allowed to enter or leave
  5. Undergo change that turns substance into a new one
  6. A solid that forms from solution during a chemical reaction
  7. Matter is allowed to enter and leave
Down
  1. When energy is absorbed
  2. The study of matter and how matter changes
  3. A symbol used in a program to specify one of the elements of an array
  4. Short, easy way to show a chemical reaction
  5. A number placed in front of a chemical formula in an equation
  6. When energy is released

13 Clues: When energy is absorbed • When energy is released • Matter is allowed to enter and leave • No matter is allowed to enter or leave • The study of matter and how matter changes • Short, easy way to show a chemical reaction • The new substance formed by the chemical reaction • Undergo change that turns substance into a new one • ...

AP Bio Chapter : Themes in the Study of Life 2024-06-06

AP Bio Chapter : Themes in the Study of Life crossword puzzle
Across
  1. Reaction The making and breaking of chemical bonds, leading to changes in the composition of matter
  2. The point at which the reactions offset one another exactly
  3. A subatomic particle with a positive charge
  4. The smallest unit of matter that still retains the properties of an element
  5. The dissolving agent of a solution
  6. A subatomic particle with a negative charge
  7. A starting material in a chemical reaction
  8. A substance that is dissolved in a solution
  9. A substance consisting of two or more different elements combined in a fixed ratio
Down
  1. Electron An electron in the outermost electron shell
  2. Bond A chemical bond resulting from the attraction between oppositely charged ions
  3. A substance that cannot be broken down to other substances by chemical reactions
  4. One of several atomic forms of an element, each with a different number of neutrons
  5. Bond A type of strong chemical bond in which two atoms share one or more pairs of valence electrons
  6. A material resulting from a chemical reaction
  7. Number The sum of protons plus neutrons in the nucleus of an atom
  8. Level The different states of potential energy that electrons have in an atom
  9. Number The number of protons in the nucleus of an atom
  10. Bond A type of weak chemical bond formed when a slightly positive hydrogen atom is attracted to a slightly negative atom
  11. A subatomic particle with no charge

20 Clues: The dissolving agent of a solution • A subatomic particle with no charge • A starting material in a chemical reaction • A subatomic particle with a positive charge • A subatomic particle with a negative charge • A substance that is dissolved in a solution • A material resulting from a chemical reaction • Electron An electron in the outermost electron shell • ...

photosynthesis and cellular respiration 2022-11-04

photosynthesis and cellular respiration crossword puzzle
Across
  1. Co2
  2. input of the chemical reaction
  3. Cannot produce without its own food
  4. primary producer
  5. chemical energy
  6. sugar
  7. where cellular respiration happens
  8. output of the chemical reaction
Down
  1. Heat energy
  2. contains chlorophyll and in which photosynthesis takes place
  3. reactants and products
  4. how plants make food
  5. breaks down glucose
  6. green pigment that turns the plant green
  7. O2
  8. tiny, microscopic and critical for photosynthesis.

16 Clues: O2 • Co2 • sugar • Heat energy • chemical energy • primary producer • breaks down glucose • how plants make food • reactants and products • input of the chemical reaction • output of the chemical reaction • where cellular respiration happens • Cannot produce without its own food • green pigment that turns the plant green • tiny, microscopic and critical for photosynthesis. • ...

Chemistry Final Crossword 2020-06-13

Chemistry Final Crossword crossword puzzle
Across
  1. he action or process of observing something or someone carefully.
  2. a circumstance, fact, or influence that contributes to a result or outcome.
  3. a chemical reaction between a fuel and oxygen
  4. the amount of time occupied by something
  5. basic description of the variability of a distribution
  6. a course along which someone or something moves
  7. the action of departing from an established course
  8. a position on a real or imaginary scale of amount, quantity, extent, or quality.
  9. the action of predicting something
  10. quantitative observation of the size, extent or amount of an object.
  11. anything having mass and taking up space
  12. done in the same way over time, especially so as to be fair or accurate.
Down
  1. the rate at which someone or something is able to move
  2. standard reference experiment done under parallel or identical conditions.
  3. numbers with a contextual meaning
  4. how far something is
  5. useable power such as heat or electricity
  6. the basic unit of matter
  7. the area of variation between upper and lower limits on a particular scale.
  8. the substances that combine in a chemical reaction
  9. able to be changed or adapted
  10. start or set in motion
  11. a substance made from a chemical reaction
  12. rearrangement of atom into new substances
  13. Pure substance that cannot be broken down into simpler substances by a chemical reaction.

25 Clues: how far something is • start or set in motion • the basic unit of matter • able to be changed or adapted • numbers with a contextual meaning • the action of predicting something • the amount of time occupied by something • anything having mass and taking up space • useable power such as heat or electricity • a substance made from a chemical reaction • ...

Conservation of mass and types of reactions 2023-06-08

Conservation of mass and types of reactions crossword puzzle
Across
  1. substance made up of only one type of atom
  2. what is in the middle of an reaction
  3. on the right side of a reaction
  4. A+B -> AB
  5. H20
  6. AB -> A+B
Down
  1. chemical reaction need to be ________
  2. what is the __________ of mass
  3. number put in front of a molecule in a chemical reaction
  4. on the left side of a reaction
  5. the small numbers in a chemical equation
  6. an atom with a positive or negative charge

12 Clues: H20 • A+B -> AB • AB -> A+B • what is the __________ of mass • on the left side of a reaction • on the right side of a reaction • what is in the middle of an reaction • chemical reaction need to be ________ • the small numbers in a chemical equation • substance made up of only one type of atom • an atom with a positive or negative charge • ...

Matter and Energy 2023-05-10

Matter and Energy crossword puzzle
Across
  1. eletriccharge
  2. families
  3. Atomic number
  4. atom
  5. electron
  6. base
  7. groups
  8. enzyme
  9. acid
  10. neutron
  11. period
  12. reduction
  13. alcohol
Down
  1. chemical formula
  2. Chemical reaction
  3. valence electron
  4. energy levels
  5. molecule
  6. cation
  7. proton

20 Clues: atom • base • acid • groups • enzyme • cation • period • proton • neutron • alcohol • families • electron • molecule • reduction • eletriccharge • Atomic number • energy levels • chemical formula • valence electron • Chemical reaction

Endothermic vs Exothermic Reactions 2025-11-24

Endothermic vs Exothermic Reactions crossword puzzle
Across
  1. more energy goes to the ___________________ in an endothermic reaction
  2. chemical connection between atoms
  3. what happens to energy when bonds are broken
  4. temperature goes ________ in endothermic reactions
  5. reaction that absorbs more energy than it releases
  6. what happens to energy when bonds are formed
  7. how the surroundings feel in an exothermic reaction
  8. substances formed after a chemical reaction
Down
  1. how the surroundings feel in an endothermic reaction
  2. more energy goes to the ___________________ in an exothermic reaction
  3. absorbing energy ___________ bonds
  4. reaction that releases more energy than it absorbs
  5. releasing energy ___________ bonds
  6. temperature goes _______ in exothermic reactions

14 Clues: chemical connection between atoms • absorbing energy ___________ bonds • releasing energy ___________ bonds • substances formed after a chemical reaction • what happens to energy when bonds are broken • what happens to energy when bonds are formed • temperature goes _______ in exothermic reactions • temperature goes ________ in endothermic reactions • ...

Module 4 IQ1 2021-08-13

Module 4 IQ1 crossword puzzle
Across
  1. what symbol is given in a chemical reaction of the enthalpy reactants
  2. when the total chemical energy of the products of a chemical reaction is greater than the total chemical energy of the reactants, energy is absorbed from the surrounding environment
  3. what unit is represented for energy
  4. usually regarded at everything else in a reaction
  5. the chemical energy of a substance is sometimes called it’s heat content or what
  6. what changes the activation energy of a reaction
Down
  1. when the total chemical energy of the products of a chemical reaction is less than the total chemical energy of the reactants, the excess energy is releases into the surroundings
  2. heat given off when one mole of substance is burnt completely in an excess of oxygen
  3. energy cannot be created or ______
  4. melting ice is an example ____ change
  5. stating that the heat absorbed/evolved in any chemical reaction is a fixed quantity

11 Clues: energy cannot be created or ______ • what unit is represented for energy • melting ice is an example ____ change • what changes the activation energy of a reaction • usually regarded at everything else in a reaction • what symbol is given in a chemical reaction of the enthalpy reactants • ...

Chemical Reactions 2023-02-23

Chemical Reactions crossword puzzle
Across
  1. proportion of reactants and products
  2. a substance or molecule that is part of a chemical reaction
  3. the reactant in reactions catalyzed by enzymes
  4. energy is absorbed
  5. state of balance
  6. energy is released to the surroundings
Down
  1. representation of a chemical reaction
  2. a substance that forms in a chemical reaction
  3. substance that changes the rate of a reaction
  4. two or more substances form a new compound
  5. heat is released
  6. a molecule, either protein or RNA
  7. a compound is broken into two or more substances

13 Clues: heat is released • state of balance • energy is absorbed • a molecule, either protein or RNA • proportion of reactants and products • representation of a chemical reaction • energy is released to the surroundings • two or more substances form a new compound • a substance that forms in a chemical reaction • substance that changes the rate of a reaction • ...

Chemistry 2018-06-01

Chemistry crossword puzzle
Across
  1. composition the percentage by mass of each element in a compound
  2. formula an expression which states the number and type of atoms present in a molecule of a substance.
  3. substance produced during a natural, chemical, or manufacturing process
  4. compound a chemical compound that contains exactly two different types of elements
  5. bond the covalent bonding between atoms in metals
  6. electrons one of two or more electrons in the outer shell of an atom
  7. reaction a reaction where two or more elements or compounds combine to form a single compound
  8. planer structure molecular geometry model with one atom at the center and three atoms at the corners
Down
  1. reaction type of chemical reaction where one reactant yields two or more products
  2. compound a chemical compound comprising ions held together
  3. replacement reaction a type of oxidation-reductionchemical reaction when an element or ion moves out of one compound and into another
  4. a substance that takes part in and undergoes change during a reaction
  5. formula a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  6. theory Valence shell electron pair repulsion

14 Clues: theory Valence shell electron pair repulsion • bond the covalent bonding between atoms in metals • compound a chemical compound comprising ions held together • composition the percentage by mass of each element in a compound • a substance that takes part in and undergoes change during a reaction • ...

Digestion Overall 2023-05-04

Digestion Overall crossword puzzle
Across
  1. Chemical reaction in which molecules are broken down
  2. stores bile (2 words)
  3. salivary glands make this in the mouth to digest starch
  4. Chemical reaction in which water is added to break larger molecules into smaller
  5. enzyme that digest nucleic acid
  6. muscle movement that moves food forward in the canal
  7. The process of digestion that involves movement of food.
  8. The process of digestion that involves introducing food stuff to your body
  9. The process of digestion that involves getting rid of unusable food matter.
  10. The removal of nutrients from your food and into your blood supply
  11. The process of digestion that involves break down complex food molecules into their chemical building blocks.
  12. Chemical reaction in which molecules are built into larger molecules
  13. enzyme that breaks down lipids
Down
  1. a membrane that supports and positions the intestines
  2. the longest of the 2 intestines
  3. projects that increase surface area
  4. place where most of the digestion takes place (2 words)
  5. enzyme made by the stomach that digest proteins
  6. moist lump of food made in the mouth
  7. Chemical reaction in which water is removed to make a larger molecule
  8. tube that connects the mouth to the stomach
  9. The process of digestion that involves increasing the surface area of the food
  10. yellowish green liquid used to digest fat
  11. enzyme that digest milk proteins
  12. pulpy fluid that moves from the stomach to the small intestine

25 Clues: stores bile (2 words) • enzyme that breaks down lipids • the longest of the 2 intestines • enzyme that digest nucleic acid • enzyme that digest milk proteins • projects that increase surface area • moist lump of food made in the mouth • yellowish green liquid used to digest fat • tube that connects the mouth to the stomach • enzyme made by the stomach that digest proteins • ...

Formative A review 2022-10-02

Formative A review crossword puzzle
Across
  1. building blocks of polymers
  2. A substance produced in a chemical reaction
  3. data descriptive data
  4. acid Building blocks of protein
  5. data numerical data
  6. the starches and sugars present in foods
  7. A jellylike fluid inside the cell in which the organelles are suspended
  8. energy Energy needed to get a reaction started
  9. A cell that contains a nucleus and membrane bound organelles
  10. Chemical reaction ins which energy is absorbed
  11. apparatus stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
  12. Control center of the cell
  13. The reactant on which an enzyme works.
  14. An organelle found in plant and algae cells where photosynthesis occurs
  15. A testable prediction; an educated guess
  16. variable variable that is manipulated
  17. Chemical Reaction in which energy is primarily given off in the form of heat
  18. A type of protein that speeds up a chemical reaction in a living thing
  19. A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement
  20. wall A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
  21. bilayer double-layered sheet that forms the core of nearly all cell membranes
  22. An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  23. theory idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  24. Makes proteins
  25. An organelle containing digestive enzymes
  26. A logical interpretation based on prior knowledge and experience.
  27. Basic unit of life
Down
  1. A chemical substance that is present at the start of a chemical reaction
  2. group the group that does not receive the experimental treatment.
  3. Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases
  4. substance that speeds up the rate of a chemical reaction
  5. Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
  6. permeable a property of cell membranes that allows some substances to pass through, while others cannot
  7. Reticulum A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.
  8. Powerhouse of the cell
  9. reaction the process by which one or more substances change to produce one or more different substances
  10. A tiny cell structure that carries out a specific function within the cell
  11. large compound formed from combinations of many monomers
  12. variable The outcome factor; the variable that may change in response to manipulations of the independent variable.
  13. well-tested explanation that explains a broad range of observations
  14. A unicellular organism that lacks a nucleus and membrane bound organelles
  15. fats and oils
  16. membrane A cell structure that controls which substances can enter or leave the cell.

43 Clues: fats and oils • Makes proteins • Basic unit of life • data numerical data • data descriptive data • Powerhouse of the cell • Control center of the cell • building blocks of polymers • acid Building blocks of protein • variable variable that is manipulated • The reactant on which an enzyme works. • the starches and sugars present in foods • A testable prediction; an educated guess • ...

Aqueous Reactions and Solution Stoichometry 2020-12-14

Aqueous Reactions and Solution Stoichometry crossword puzzle
Across
  1. a material conducting electricity
  2. when water beats up ions and breaks them apart
  3. a solid that forms in an aqueous reaction
  4. few ions present and compound ionizes partially
  5. nice,orderly, repeating patterns
  6. exchange of positive ions between two ionic compounds
  7. is the amount of 3D space a substance or object occupies
  8. no ions present and substance is dissolved in water
  9. what is being dissolved
  10. a substance that takes part in and undergoes change during a reaction
Down
  1. process that involves rearrangement of the molecular or ionic structure of a substance
  2. molecular compounds breaking into their smallest parts called molecules
  3. substance produced during a chemical reaction
  4. formation of precipitate
  5. many ions present and compound ionizes entirely
  6. moles of solute/ liters of solution
  7. do not form precipitate
  8. Hydrogen is slightly positive, oxygen is slightly negative
  9. Homogeneous mixture
  10. what is doing the dissolving

20 Clues: Homogeneous mixture • do not form precipitate • what is being dissolved • formation of precipitate • what is doing the dissolving • nice,orderly, repeating patterns • a material conducting electricity • moles of solute/ liters of solution • a solid that forms in an aqueous reaction • substance produced during a chemical reaction • when water beats up ions and breaks them apart • ...

Chemistry Review 2017-02-10

Chemistry Review crossword puzzle
Across
  1. Substance in simplest form
  2. Shiny, malleable, conductive
  3. Dull, brittle, not conductive
  4. Says that mass is not destroyed or gained in a reaction
  5. Row on periodic table
  6. Columns of Periodic table
  7. Carries negative charge
  8. Substance takes parts in chemical reaction
  9. Mass of an element
  10. Gases of Group 18, Outer shells are full
Down
  1. Energy level of atoms
  2. Basic unit of an element
  3. Electron in outermost orbital
  4. Inventor of first periodic table
  5. Abbreviation of element
  6. Center of an atom
  7. Number of protons and electrons in the element
  8. Reaction that gives of heat
  9. Substance with at least 2 elements chemically bonded together
  10. Carries Neutral Charge
  11. Reaction that produces cold substance
  12. Substance formed as a result of a chemical reaction
  13. Groups on atoms bonded together
  14. Carries Positive Charge
  15. Shares properties of both metals and metalloids

25 Clues: Center of an atom • Mass of an element • Energy level of atoms • Row on periodic table • Carries Neutral Charge • Abbreviation of element • Carries Positive Charge • Carries negative charge • Basic unit of an element • Columns of Periodic table • Substance in simplest form • Reaction that gives of heat • Shiny, malleable, conductive • Electron in outermost orbital • ...

1.3 Chemical Reactions Activity 2025-09-04

1.3 Chemical Reactions Activity crossword puzzle
Across
  1. A scale that measures acidity and can affect enzyme activity
  2. Substances that start a chemical reaction
  3. Another word for a substance that speeds up a chemical reaction
  4. Proteins that speed up chemical reactions in living things
  5. The molecule that an enzyme acts upon in a chemical reaction
Down
  1. Substances formed after a chemical reaction
  2. Graphs can show if this is absorbed or released in a reaction
  3. Used to interpret the effect of an enzyme on a reaction
  4. Type of energy required to start a chemical reaction
  5. One factor that affects enzyme activity, along with pH and substrate concentration

10 Clues: Substances that start a chemical reaction • Substances formed after a chemical reaction • Type of energy required to start a chemical reaction • Used to interpret the effect of an enzyme on a reaction • Proteins that speed up chemical reactions in living things • A scale that measures acidity and can affect enzyme activity • ...

Crossword 2024-04-27

Crossword crossword puzzle
Across
  1. The enthalpy change that occurs when one mole of a compound is produced from its standard state constituents is known as the ________.
  2. Measure of thermal energy in a system per unit temperature that cannot be used to perform beneficial work.
  3. An ________ reaction is characterized by a negative ∆U.
  4. ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
  5. Chemical and physical changes that occur with the absorption of energy are ________ processes.
  6. It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
  7. Hormone that moves glucose from the blood stream into the cells.
  8. Energy required to raise the temperature of one gram of a substance by one degree Celsius is known as its heat capacity.
  9. The setup used to determine energy change during a reaction.
Down
  1. ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
  2. Substances that change the rate of a reaction without causing permanent changes.
  3. A substance's constant volume heat capacity is sometimes referred to as its ______ heat capacity.
  4. Time required to decrease the reactant concentration to one-half of the initial value.
  5. A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
  6. A polysaccharide that does not provide the body with energy or nutrients.
  7. Increase in ________ increases reaction rates.
  8. Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
  9. The study of energy changes that accompany chemical transformations in matter.
  10. The symbol w represents the ________ performed by the system or on the system.
  11. The change in enthalpy of the reaction is the heat of reaction at constant ________.

20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative ∆U. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • A polysaccharide that does not provide the body with energy or nutrients. • ...

Unit 3 Vocabulary 2023-05-16

Unit 3 Vocabulary crossword puzzle
Across
  1. A green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
  2. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid.
  3. They get energy from non-living sources most capture energy during photosynthesis to make simple sugars.
  4. The membrane of the mitochondria that is the site of electron transport and chemiosmosis.
  5. Requires oxygen
  6. Eat only meat example-polar bear
  7. Reactions that break down larger molecules into simpler compounds.
  8. (substrate) A substance that is changed during a chemical reaction
  9. (usually a protein) that speeds up a biochemical reaction by lowering its activation energy
  10. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
  11. Pancake-like stacks of thylakoid membrane
  12. Eat dead materials example-vultures
  13. All of the chemical reactions that occur within an organism
  14. Non-living portion
  15. A reaction that overall releases more energy (in the form of heat or light than it absorbs.
Down
  1. The synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
  2. When an enzyme's active site loses its specific shape, causing a loss in biological activity
  3. Reactions The breaking and forming of bonds between different substances during chemical changes
  4. The overall process by which sunlight (solar/light energy) chemically converts water and carbon dioxide into chemical energy stored in glucose (a sugar/carbohydrate) (this happens on the leaf of a plant)
  5. A substance that is made in a chemical reaction
  6. Get energy from living or non-living organisms. examples: animals, fungus, people.
  7. site Location on an enzyme where the substrate binds
  8. Substance that speeds up the rate of a chemical reaction without being permanently altered
  9. Is without oxygen; usually w/short-spurt, high-energy activities
  10. A reaction that overall absorbs more energy (in the form of heat or light) than it releases.
  11. energy Energy needed to get a chemical reaction started
  12. Eat only vegetation
  13. Fluid-like substance that fills the space between the grana
  14. Reactions that build larger molecules from smaller ones
  15. Eat meat and vegetation example-raccoons
  16. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.

31 Clues: Requires oxygen • Non-living portion • Eat only vegetation • Eat only meat example-polar bear • Eat dead materials example-vultures • Eat meat and vegetation example-raccoons • Pancake-like stacks of thylakoid membrane • A substance that is made in a chemical reaction • site Location on an enzyme where the substrate binds • ...

Cellular Respiration 2024-01-18

Cellular Respiration crossword puzzle
Across
  1. Pathways, the products of one reaction are the reactants for the next reaction.
  2. chemicals used in a reaction
  3. process, no oxygen
  4. chemical produced in the reaction
  5. alcohol, it’s produced along with carbon dioxide.
  6. specific form of stored energy
  7. process, oxygen
  8. simple sugar
  9. Transport Chain, Electrons are passed from protein to protein while slowly releasing their energy in steps.
  10. At times when your cells are without oxygen for a short period of time (heavy exercise) anaerobic fermentation follows glycolysis.
  11. Acid cycle, Chemical reactions similar to the Calvin cycle to break down glucose and produce ATP.
Down
  1. Oxidation, the connector reaction between glycolysis in the cellular cytoplasm and the Krebs cycle in the mitochondrial matrix.
  2. powerhouse of the cell
  3. fermentation, Fermentation used by yeast and bacteria to produce Carbon Dioxide and ethyl alcohol.
  4. a substance around the cell membrane bound organelles and nucleus
  5. acid, supplies energy when oxygen is scarce.
  6. Triphosphate, ATP
  7. reactions in the cytoplasm that break down glucose into molecules of pyruvic acid.
  8. Acid Fermentation, The lactic acid that builds up in muscle cells results in muscle fatigue.
  9. cycle, Chemical reactions similar to the Calvin cycle to break down glucose and produce ATP.

20 Clues: simple sugar • process, oxygen • Triphosphate, ATP • process, no oxygen • powerhouse of the cell • chemicals used in a reaction • specific form of stored energy • chemical produced in the reaction • acid, supplies energy when oxygen is scarce. • alcohol, it’s produced along with carbon dioxide. • a substance around the cell membrane bound organelles and nucleus • ...

Physical Science Week 3: Changing Matter 2023-11-29

Physical Science Week 3: Changing Matter crossword puzzle
Across
  1. a chemical reaction where a compound is broken down into two or more simpler substances
  2. a chemical reaction during which heat is release
  3. a substance produced in a chemical reaction
  4. a chemical reaction during which heat is absorbed
Down
  1. a chemical reaction where a free element replaces another element in a compound
  2. a chemical reaction where an acid and a base form a salt
  3. the chemical process of burning
  4. a chemical reaction where two or more substances are joined to form a compound
  5. a substance that goes into a chemical reaction

9 Clues: the chemical process of burning • a substance produced in a chemical reaction • a substance that goes into a chemical reaction • a chemical reaction during which heat is release • a chemical reaction during which heat is absorbed • a chemical reaction where an acid and a base form a salt • ...

Crossword 2024-04-28

Crossword crossword puzzle
Across
  1. The symbol w represents the ________ performed by the system or on the system.
  2. ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
  3. Substances that change the rate of a reaction without causing permanent changes.
  4. A substance's constant volume heat capacity is sometimes referred to as its ______ heat capacity.
  5. Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
  6. The change in enthalpy of the reaction is the heat of reaction at constant ________.
  7. ________ is the enthalpy shift that takes place when one mole of a compound is created from its standard state constituents.
  8. It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
  9. A polysaccharide that does not provide the body with energy or nutrients.
  10. The setup used to determine energy change during a reaction.
Down
  1. Increase in ________ increases reaction rates.
  2. The study of energy changes that accompany chemical transformations in matter.
  3. A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
  4. An ________ reaction is characterized by a negative ∆U.
  5. Energy required to raise the temperature of one gram of a substance by one degree Celsius is known as its heat capacity.
  6. Hormone that moves glucose from the blood stream into the cells.
  7. Measure of thermal energy in a system per unit temperature that cannot be used to perform beneficial work.
  8. ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
  9. Time required to decrease the reactant concentration to one-half of the initial value.
  10. Chemical and physical changes that occur with the absorption of energy are ________ processes.

20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative ∆U. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • A polysaccharide that does not provide the body with energy or nutrients. • ...

Unit 5 Plants Vocabulary 2020-11-16

Unit 5 Plants Vocabulary crossword puzzle
Across
  1. moves water from the roots to the leaves of a plant
  2. parts found inside an organism
  3. moves glucose from the plant to the roots
  4. a plants response to water
  5. A response a plant has to the environment
  6. a plants response to gravity
  7. sugar
  8. the chemicals that exist before a chemical reaction
Down
  1. a plant's response to light
  2. explains what happens in a chemical reaction using chemical formulas
  3. a chemical in the chloroplast that aids in photosynthesis
  4. A plant's response to touch
  5. a plants response to gravity
  6. Pressure inside a cell due to the water it holds
  7. the chemicals that are made during a chemical reaction

15 Clues: sugar • a plants response to water • a plant's response to light • A plant's response to touch • a plants response to gravity • a plants response to gravity • parts found inside an organism • moves glucose from the plant to the roots • A response a plant has to the environment • Pressure inside a cell due to the water it holds • ...

Chapter 13 - Kahlan Schuster 2016-10-12

Chapter 13 - Kahlan Schuster crossword puzzle
Across
  1. donates a Hydrogen ion
  2. a substance that is the result of the chemical change
  3. accepts a Hydrogen ion
  4. how many clues are there to identify chemical reactions
  5. AB+oxygen -> oxides of A+B+H2O
  6. energy is transferred to reactants from surroundings; enters
  7. A+BC -> AC+B
  8. the energy stored in molecules that can be released during a reaction
Down
  1. must be added to break the bonds, setting the chemical reaction off
  2. AB -> A+B
  3. A+B -> AB
  4. AB+CD -> AD+CB
  5. energy transfers from reactants to surroundings; exits
  6. a substance that undergoes a chemical change
  7. when reaction and its reverse act at the same rate

15 Clues: AB -> A+B • A+B -> AB • A+BC -> AC+B • AB+CD -> AD+CB • donates a Hydrogen ion • accepts a Hydrogen ion • AB+oxygen -> oxides of A+B+H2O • a substance that undergoes a chemical change • when reaction and its reverse act at the same rate • a substance that is the result of the chemical change • energy transfers from reactants to surroundings; exits • ...

VOCABULARY IN CHEMISTRY 2023-04-25

VOCABULARY IN CHEMISTRY crossword puzzle
Across
  1. Type of elements in the left side of the periodic table
  2. Unit to measure mass
  3. The conditions in which a gas occupies 22.7L at 25C and 1 atm.
  4. Last part of the chemical reaction
  5. Is the mass that appears in the periodic table.
  6. Negative particle of the atom
  7. Is the number of protons of an atom.
  8. Energy that needs to have a molecule to react
  9. Type of elements in the right side of the periodic table
  10. Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
  11. Type of element in the last group of the periodic table
Down
  1. Fist part of the chemical reaction
  2. Ion with positive charge
  3. Part of chemistry that studies changes in a chemical reaction
  4. Ion with negative charge
  5. Process that involves rearrangement of atoms
  6. An atom with charge is called...
  7. Positive particle of the atom
  8. Element with symbol K
  9. Unit for the amount of substance
  10. Neutral particle of the atom

21 Clues: Unit to measure mass • Element with symbol K • Ion with positive charge • Ion with negative charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • An atom with charge is called... • Unit for the amount of substance • Fist part of the chemical reaction • Last part of the chemical reaction • Is the number of protons of an atom. • ...

Judah Brooks Unit 2 2025-03-24

Judah Brooks Unit 2 crossword puzzle
Across
  1. what is put in the enzyme before the chemical reaction
  2. moving molecules across the membrane using energy
  3. diffusion with water
  4. the smallest level of organization
  5. basic unit of life
  6. the result of a chemical reaction
  7. where the substrate fits on an enzyme
  8. loves water
  9. when the active site on an enzyme changes shape and the substrate no longer fits
  10. a living thing
  11. multiple organs working together
  12. hates water
  13. multiple cells combine to form this
  14. multiple atoms bonded together
Down
  1. the energy needed to start a chemical reaction
  2. moving molecules across the membrane without using energy
  3. only certain things are allowed through
  4. what makes up the cell membrane
  5. a protein that lowers the activation energy needed for chemical reactions
  6. molecules moving from a place of high concentration to low concentration
  7. performs an action in the body/made of tissue
  8. multiple molecules combine to form this/perform action in a cell

22 Clues: loves water • hates water • a living thing • basic unit of life • diffusion with water • multiple atoms bonded together • what makes up the cell membrane • multiple organs working together • the result of a chemical reaction • the smallest level of organization • multiple cells combine to form this • where the substrate fits on an enzyme • only certain things are allowed through • ...

Chemistry 2024-03-15

Chemistry crossword puzzle
Across
  1. a chemical reaction in which a substance loses electrons.
  2. means more molecules in a given space, increasing the chance of collisions and speeding up reactions.
  3. reactions are common endothermic reactions.
  4. a chemical reaction in which a substance gains electrons.
  5. the process when energy is released to the surroundings
  6. is one or more forms of a chemical element that can exist in the same physical state.
  7. speed up reactions without getting used up themselves.
  8. reaction is a chemical reaction in which the product can react to produce the original reactant. It can move in both forward and backward directions.
Down
  1. the approximate percentage of argon in air
  2. means using electricity to coat one metal with another.
  3. generates electrons in the reaction and is oxidized. It reduces another substance by generating electrons.
  4. a chemical reaction that uses nitrogen gas and hydrogen gas to create the chemical compound ammonia.

12 Clues: the approximate percentage of argon in air • reactions are common endothermic reactions. • speed up reactions without getting used up themselves. • means using electricity to coat one metal with another. • the process when energy is released to the surroundings • a chemical reaction in which a substance loses electrons. • ...

Enzyme Crossword 2021-08-27

Enzyme Crossword crossword puzzle
Across
  1. Enzymes ______ the energy needed to start a chemical reaction.
  2. The energy required to start a chemical reaction.
  3. Substances that are created and come OUT of a chemical reaction.
  4. Where an enzyme and a substrate meet or connect.
  5. The substance the enzyme acts on.
Down
  1. Example of the enzyme that breaks downs lactose.
  2. Building block of proteins.
  3. Type of protein that speeds up a chemical reaction.
  4. Substance that goes IN a chemical reaction.
  5. Enzymes are an example of this type of macromolecule.
  6. ______ or pH can change the shape of the active site.

11 Clues: Building block of proteins. • The substance the enzyme acts on. • Substance that goes IN a chemical reaction. • Example of the enzyme that breaks downs lactose. • Where an enzyme and a substrate meet or connect. • The energy required to start a chemical reaction. • Type of protein that speeds up a chemical reaction. • ...

JH Burkholder Chapter 13 2017-10-10

JH Burkholder Chapter 13 crossword puzzle
Across
  1. a measure of the acidity of a solution
  2. the minimal amount of energy required for a chemical reaction to proceed
  3. The process by which a reactant loses one or more electrons
  4. The process in which a reactant gains one or more electrons
Down
  1. Chemical reaction where there is a net absorption of energy
  2. Chemical reaction where there is a net release of energy
  3. The substances that react in a chemical reaction
  4. Substance that takes hydrogen ions
  5. The new substances formed in a chemical reaction
  6. A rapid exothermic oxidation
  7. Substance that donates hydrogen ions

11 Clues: A rapid exothermic oxidation • Substance that takes hydrogen ions • Substance that donates hydrogen ions • a measure of the acidity of a solution • The substances that react in a chemical reaction • The new substances formed in a chemical reaction • Chemical reaction where there is a net release of energy • Chemical reaction where there is a net absorption of energy • ...

PS Semester 1 Review 2021-12-04

PS Semester 1 Review crossword puzzle
Across
  1. Carbon dioxide and water are usually the products in this type of reaction
  2. one sign of a chemical reaction taking place
  3. the amount of time it takes for one half of a sample to decay
  4. electrons have this charge
  5. displacement AB + C → AC + B
  6. the bonding where electrons are shared
  7. these gases do not react because they are completely stable on their own
  8. anything that takes up space and has mass
  9. adding protons and neutrons
  10. when a chemical reaction takes in heat
  11. a charged particle
  12. neutrons have this charge
  13. this element radioactively decays into Lead
  14. protons have this charge
  15. adding this to a reaction can speed it up
  16. number of protons
  17. orbit the nucleus
Down
  1. AB → A + B
  2. A + B → AB
  3. number of electrons the 2nd energy level can hold
  4. another name for electron energy levels
  5. center of an atom
  6. displacement AB + CD → AD + BC
  7. happens in nuclear energy when one reaction sets off another and another
  8. the spontaneous process in which an atomic nucleus emits radiation
  9. the bonding where electrons are transferred
  10. father of the Periodic Table of Elements
  11. Column 1 of the periodic table are these types of metals
  12. the middle part of the periodic table, which we colored red, are these metals
  13. chemicals listed to the right of the arrow in a chemical reaction
  14. chemicals listed to the left of the arrow in a chemical reaction
  15. when a chemical reaction releases energy
  16. outer electrons can be called this
  17. the reason atoms combine with each other
  18. the conservation of ______ says that matter cannot be created or destroyed
  19. ability of an atom to attract electrons to itself
  20. number of electron energy levels and also the number of rows in the periodic table
  21. atoms with the same number of protons but different number of neutrons
  22. when an electron gains energy, it moves from a grounded state to this state

39 Clues: AB → A + B • A + B → AB • center of an atom • number of protons • orbit the nucleus • a charged particle • protons have this charge • neutrons have this charge • electrons have this charge • adding protons and neutrons • displacement AB + C → AC + B • displacement AB + CD → AD + BC • outer electrons can be called this • the bonding where electrons are shared • ...

Chemical Reactions 2023-12-19

Chemical Reactions crossword puzzle
Across
  1. A type of combustion that produces carbon monoxide
  2. What a chemical reaction must be
  3. The liquid that turns cloudy when carbon dioxide is present
  4. The gas substances react with during oxidation reactions
  5. A change in which no new substances are made
  6. Needed for thermal decomposition
Down
  1. When atoms are rearranged, forming new substances
  2. The things we start a chemical reaction with
  3. A burning reaction that produces carbon dioxide and water
  4. The things we make from a chemical reaction
  5. The colour cobalt chloride paper turns in water
  6. The thing that is always conserved in a chemical reaction

12 Clues: What a chemical reaction must be • Needed for thermal decomposition • The things we make from a chemical reaction • The things we start a chemical reaction with • A change in which no new substances are made • The colour cobalt chloride paper turns in water • When atoms are rearranged, forming new substances • A type of combustion that produces carbon monoxide • ...

Chemistry Reactions and Equations 2024-10-09

Chemistry Reactions and Equations crossword puzzle
Across
  1. chemical symbol of gold.
  2. 2 or more reactant's react to form one product.
  3. yellow precipitate formed by reaction of lead nitrate and potassium iodide.
  4. reaction in which energy is released in form of heat or light.
  5. chemical symbol of aluminum.
  6. valency of aluminum
  7. chemical symbol of magnesium.
  8. chemical symbol of zinc.
Down
  1. a substance breaks down into two or more products.
  2. reaction in which more reactive element displaces less reactive element from its solution.
  3. reaction in which exchange of ions takes place between 2 substances to form new products.
  4. reaction in which heat is absorbed.

12 Clues: valency of aluminum • chemical symbol of gold. • chemical symbol of zinc. • chemical symbol of aluminum. • chemical symbol of magnesium. • reaction in which heat is absorbed. • 2 or more reactant's react to form one product. • a substance breaks down into two or more products. • reaction in which energy is released in form of heat or light. • ...

Chapter 16 2017-04-23

Chapter 16 crossword puzzle
Across
  1. energy is taken in or absorbed
  2. mass the sum of the atomic masses of the atoms in a molecule
  3. insoluble substance that crystallizes out of solution
  4. one element displaces another from a compound
  5. a substance that slows down a chemical reaction
  6. a substance that undergoes a chemical change; substance to the left of a yield sign in an equation
  7. the number placed in front of a symbol or formula; used in balancing chemical equations
  8. reaction a chemical change in which two or more elements or compounds unite to form one compound
Down
  1. the positive part of one compound unites with the negative part of another compound
  2. an inhibitor; slows down the decay by retarding the processes that cause the decay
  3. a substance formed as a result of a chemical change; substance to the right of a yield sign in an equation
  4. a chemical change in which a substance breaks down or decomposes into other substances
  5. a shorthand description of a chemical reaction; tells the reactants and products and their ratios
  6. a substance that increases the rate of a chemical reaction without being permanently changed itself
  7. sum of the average atomic masses of the atoms or ions present in the formula of a compound
  8. energy is released or given off

16 Clues: energy is taken in or absorbed • energy is released or given off • one element displaces another from a compound • a substance that slows down a chemical reaction • insoluble substance that crystallizes out of solution • mass the sum of the atomic masses of the atoms in a molecule • an inhibitor; slows down the decay by retarding the processes that cause the decay • ...

Chemical Reaction Vocabulary - Amplify 2023-03-13

Chemical Reaction Vocabulary - Amplify crossword puzzle
Across
  1. an object, diagram, or computer program that helps us understand something by making it simpler to see
  2. a group of atoms joined together in a particular way
  3. something that can be observed about a substance, such as color, smell, or boiling point
  4. the relative size of things
  5. able to cause damage
  6. to change the order or position of something
  7. a substance that is added to soil to help plants grow
Down
  1. an ending substance that is made during a chemical reaction
  2. a process in which atoms rearrange to for nuew sutstances
  3. a structure formed by repeating group of atoms that link together in a large network
  4. something that is made of all the same atoms or groups of atoms
  5. letters and numbers showing the types and number of atoms that repeat to make up a substance
  6. the temperature at which a substance changes from the solid phase to the liquid phase
  7. the tiny pieces that all matter is made of
  8. the temperature at which a substance changes from the liquid phase to the gas phase
  9. a starting substance that is part of a chemical reaction

16 Clues: able to cause damage • the relative size of things • the tiny pieces that all matter is made of • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • ...

Enzymes and Biochemical Reactions 2023-11-14

Enzymes and Biochemical Reactions crossword puzzle
Across
  1. an organism
  2. The breaking and forming of bonds between different substances
  3. An example of an exothermic reaction (2 words)
  4. Absorbs energy in the form of light or heat
  5. Break down larger molecules into smaller compounds
Down
  1. An example of an endothermic reaction
  2. The amount of energy needed to make a chemical reaction start (2 words)
  3. Build larger molecules from smaller ones
  4. Substances that are changed during a chemical reaction
  5. All of the chemical reactions within each cell
  6. Releases energy in the form of light or heat
  7. Substances that are made by a chemical reaction

12 Clues: an organism • An example of an endothermic reaction • Build larger molecules from smaller ones • Absorbs energy in the form of light or heat • Releases energy in the form of light or heat • All of the chemical reactions within each cell • An example of an exothermic reaction (2 words) • Substances that are made by a chemical reaction • ...

Chemical and Physical reaction worksheet 2022-03-18

Chemical and Physical reaction worksheet crossword puzzle
Across
  1. " A solid that form's from solution during a chemical reaction."
  2. of mass- "during a chemical reaction, matter is not created or destroyed
  3. "When the reaction is complete, you have new substances"
  4. "The study of matter and how matter changes"
  5. "is anything that has mass and takes up space."
  6. reaction- A change in matter that produces one or more new substances.
  7. property- A characteristic of a substance that can be observed without changing the substance into another substance.
Down
  1. property- a Characteristic of substance that describes its ability to change into other substances.
  2. reaction-"A reaction that releases energy in the form of heat"
  3. The substance you have at the beginning"
  4. "is a number placed in font of chemical formula in an equation."
  5. reaction- "is a reaction in which energy is absorbed
  6. system- " matter is not allowed to enter or leave."
  7. equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
  8. change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  9. system- "matter can enter from or escape to the surrounding."

16 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • "When the reaction is complete, you have new substances" • ...

Matters Interaction 2025-11-29

Matters Interaction crossword puzzle
Across
  1. The Periodic Table of ____________
  2. Contains some kinetic energy (ex. water)
  3. More than one type of atom held together by chemical bonds (ex. DNA)
  4. Two or more molecules NOT chemically bonded (ex. salt and pepper)
  5. Breaking and reforming of bonds
  6. Two or more atoms held together by chemical bonds (ex. H2O)
  7. You _________
  8. Contains the most amount of kinetic energy (ex. farts)
  9. The result from a chemical reaction
  10. The relationship between mass and volume
Down
  1. Reactions that give off heat
  2. CH4
  3. LxWxH
  4. The amount of matter in an object
  5. Substances added together to cause a chemical reaction
  6. Every form of matter is made of this. A single cell has 100 trillion of these!
  7. Contains the least amount of kinetic energy (ex. apple)

17 Clues: CH4 • LxWxH • You _________ • Reactions that give off heat • Breaking and reforming of bonds • The amount of matter in an object • The Periodic Table of ____________ • The result from a chemical reaction • Contains some kinetic energy (ex. water) • The relationship between mass and volume • Substances added together to cause a chemical reaction • ...

Matter and Energy in Organisms: Part 1 2016-10-19

Matter and Energy in Organisms: Part 1 crossword puzzle
Across
  1. Refers to chemical reactions occurring in cells in which carbon atoms from organic molecules (e.g. glucose) are oxidized to release energy.
  2. Group of organic molecules composed of hydrogen, oxygen, nitrogen, carbon and phosphorus; examples include DNA, RNA and ATP.
  3. A simple molecular unit that may may react chemically with another molecule of the same type to form a larger molecule (e.g., amino acid, nucleotide).
  4. Important in creating polymers, this reaction typically produces water when two molecules forming a bond to create a larger molecule.
  5. Attraction between the nuclei of two nonmetallic atoms and at least two shared electrons.
  6. Chemical reaction associated with burning that involves the oxidation of carbon atoms from a hydrocarbon fuel to release energy.
  7. A substance that cannot be decomposed into simpler substances by chemical means; it is made up of atoms that all share an identical number of protons.
  8. Proteins are long, folded chains that are composed of these monomers.
Down
  1. The production of complex molecules within living organisms or cells (e.g. photosynthesis).
  2. Process (chemical reaction) that involves the breaking of chemical bonds by the addition of water.
  3. Neutral group of two or more atoms held together by chemical bonds.
  4. Chemical substances formed as a result of a chemical reaction.
  5. Group of organic molecules that are composed of carbon, hydrogen and oxygen and include sugars (e.g. glucose), starch, and cellulose.
  6. Group of fatty or waxy organic molecules made mostly from carbon and hydrogen atom; they include oils, cholesterol and triglycerides.
  7. A compound made up of several repeating units.
  8. Substance taking part in a chemical reaction
  9. Group of organic molecules that contain carbon, hydrogen, oxygen and nitrogen; examples include insulin and hemoglobin.
  10. Term that is used to describe any substance containing carbon-based compounds, especially those produced by or derived from living organisms.

18 Clues: Substance taking part in a chemical reaction • A compound made up of several repeating units. • Chemical substances formed as a result of a chemical reaction. • Neutral group of two or more atoms held together by chemical bonds. • Proteins are long, folded chains that are composed of these monomers. • ...

Chemical and Physical reaction worksheet 2022-03-18

Chemical and Physical reaction worksheet crossword puzzle
Across
  1. " A solid that form's from solution during a chemical reaction."
  2. of mass- "during a chemical reaction, matter is not created or destroyed
  3. "When the reaction is complete, you have new substances"
  4. "The study of matter and how matter changes"
  5. "is anything that has mass and takes up space."
  6. reaction- A change in matter that produces one or more new substances.
  7. property- A characteristic of a substance that can be observed without changing the substance into another substance.
Down
  1. property- a Characteristic of substance that describes its ability to change into other substances.
  2. reaction-"A reaction that releases energy in the form of heat"
  3. The substance you have at the beginning"
  4. "is a number placed in font of chemical formula in an equation."
  5. reaction- "is a reaction in which energy is absorbed
  6. system- " matter is not allowed to enter or leave."
  7. equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
  8. change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  9. system- "matter can enter from or escape to the surrounding."

16 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • "When the reaction is complete, you have new substances" • ...

CHEMISTRY BASICS 2024-11-25

CHEMISTRY BASICS crossword puzzle
Across
  1. A CHEMICAL REACTION
  2. A CHARACTERISTIC THAT CAN BE OBSERVED OR MEASURED WITHOUT CHANGING THE SAMPLE'S COMPOSITION
  3. ALTERS THE PHYSICAL PROPERTIES OF A SUBSTANCE WITHOUT CHANGING ITS COMPOSITION
  4. A PROPERTY THAT IS DEPENDENT ON THE AMOUNT OF SUBSTANCE PRESENT
  5. THE ONLY COMMON SUBSTANCE ON EARTH THT EXISTS NATURALLY AS A SOLID, A LIQUID, AND A GAS
  6. EXTERNAL ______ CAN AFFECT BOTH PHYSICAL AN CHEMICAL PROPERTIES
  7. A TYPE OF PROPERTY THAT IS NOT DEPENDENT ON THE AMOUNT OF SUBSTANCE PRESENT
  8. A BROWNISH-ORANGE POWDERY SUBSTANCE
  9. IN A CHEMICAL REACTION, PRODUCTS HAVE THE SAME ______ AS REACTANTS
  10. A STATE OF MATTER HAVING NEITHER A DEFINITE SHAPE OR VOLUME
Down
  1. THE PHYSICAL FORMS IN WHICH ALL MATTER IN NATURE EXISTS
  2. A LAW THAT STATES THAT MASS IS NEITHER CREATED NOR DESTROYED DURING A CHEMICAL REACTION; IT IS CONSERVED
  3. IN A CHEMICAL REACTION, REACTANTS FORM ______
  4. THE ABILITY OF A SUBSTANCE TO COMBINE WITH OR CHANGE INTO ONE OR MORE OTHER SUBSTANCES
  5. ANYTHING THAT MASS AND TAKES UP SPACE
  6. A TRANSITION OF MATTER FROM ONE STATE TO ANOTHER
  7. A STATE OF MATTER IN BETWEEN SOLID AND GAS
  8. A STATE OF MATTER THAT HAS A DEFINITE SHAPE AND VOLUME
  9. REFERS TO THE GASEOUS STATE OF A SUBSTANCE THAT IS A SOLID OR A LIQUID AT ROOM TEMPERATURE

19 Clues: A CHEMICAL REACTION • A BROWNISH-ORANGE POWDERY SUBSTANCE • ANYTHING THAT MASS AND TAKES UP SPACE • A STATE OF MATTER IN BETWEEN SOLID AND GAS • IN A CHEMICAL REACTION, REACTANTS FORM ______ • A TRANSITION OF MATTER FROM ONE STATE TO ANOTHER • A STATE OF MATTER THAT HAS A DEFINITE SHAPE AND VOLUME • THE PHYSICAL FORMS IN WHICH ALL MATTER IN NATURE EXISTS • ...

Atoms, Elements and Compounds 2021-11-07

Atoms, Elements and Compounds crossword puzzle
Across
  1. Smallest particle which makes up an element.
  2. Chemical change which produces new materials
  3. Chemicals taking part in a reaction
  4. Chemicals formed during a reaction
  5. Type of element found on the left of the Periodic Table
  6. Negative particle found on the shells of an atom.
  7. System of letters and numbers used to represent a compound
  8. Centre of an atom
Down
  1. Place where chemical elements are listed
  2. Method of displaying reactions, using words or symbols
  3. Uncharged particle found in the nucleus of an atom.
  4. Law which says that total mass is unchanged during a reaction
  5. Positive particle found in the nucleus of an atom
  6. One or two letter code used to represent an element
  7. Neutral particle formed when a small group of atoms bond together
  8. Simplest chemicals - made of 1 type of atom
  9. Chemical formed when 2 or more elements bond together
  10. Path around the outside of an atom

18 Clues: Centre of an atom • Chemicals formed during a reaction • Path around the outside of an atom • Chemicals taking part in a reaction • Place where chemical elements are listed • Simplest chemicals - made of 1 type of atom • Smallest particle which makes up an element. • Chemical change which produces new materials • Positive particle found in the nucleus of an atom • ...

biochem crossword 2020-01-17

biochem crossword crossword puzzle
Across
  1. the outermost shell of an atom
  2. A substances added to a reaction that doesn’t react but instead helps speed up the rate of reaction
  3. when a single compound breaks down into two or more elements
  4. center of the cell
  5. when + charged ions bond with - charged ions
  6. an electron located on the outermost shell
  7. a positive charged particle in an atom
  8. a reaction that requires energy in order to break bonds
  9. the energy required to get a reaction started
  10. the production of chemical compounds by reaction from simpler material
Down
  1. a negative charged particle in an atom
  2. outermost shell of the atom
  3. a negatively charged ion
  4. a particle with the same mass a a proton with no electric charge
  5. __SiO2 + __ HF → __ SiF4 + __ H2O
  6. the measure of moles
  7. shares atoms equally
  8. a reaction that releases energy as bonds form
  9. a positively charged ion
  10. rapid chemical combination of a substance with oxygen, involving the production of heat and light.

20 Clues: center of the cell • the measure of moles • shares atoms equally • a negatively charged ion • a positively charged ion • outermost shell of the atom • the outermost shell of an atom • __SiO2 + __ HF → __ SiF4 + __ H2O • a negative charged particle in an atom • a positive charged particle in an atom • an electron located on the outermost shell • ...

Carbon and Life Part 1 2025-02-06

Carbon and Life Part 1 crossword puzzle
Across
  1. *********** reaction; reaction involving the removal of water
  2. the monomers of polysaccharides
  3. prefix for four
  4. tetravalent atom with six protons
  5. the building block; the subunit that serves as the building block of polymers
  6. ******** reaction; making and breaking of bonds
  7. prefix for seven
Down
  1. the monomer of nucleic acids
  2. compounds containing ONLY carbon and hydrogen
  3. prefix for one
  4. ********** reaction; reaction involving the addition of water
  5. ********** group; groups directly involved in chemical reactions
  6. a giant molecule formed by the joining of smaller molecules
  7. two words; the subunit of proteins
  8. ******* compounds; compounds containing carbon
  9. a long molecule consisting of many similar or identical subunits

16 Clues: prefix for one • prefix for four • prefix for seven • the monomer of nucleic acids • the monomers of polysaccharides • tetravalent atom with six protons • two words; the subunit of proteins • compounds containing ONLY carbon and hydrogen • ******* compounds; compounds containing carbon • ******** reaction; making and breaking of bonds • ...

VOCABULARY CROSSWORD 2023-08-18

VOCABULARY CROSSWORD crossword puzzle
Across
  1. data, information in the form of numbers and units
  2. what you think about will/could happen in the future
  3. reaction: A process by which two or more chemical substances interact and are chemically changed, producing different chemical substances.
  4. A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose).
  5. energy, Energy from the sun that reaches earth as visible light, and ultraviolet and infrared (heat) radiation.
  6. what you keep the same in an experiment to make sure that only the independent variable is being changed.
  7. The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically.
Down
  1. Simple carbohydrates; produced by photosynthesis and used to store energy and build structural molecules.
  2. A substance that takes part in and undergoes change during a reaction.
  3. factors that can have an effect on the experiment
  4. A substance produced during a chemical reaction.
  5. a testable explanation that can be written as an “if/then” statement that uses a reason to explain an idea
  6. data, descriptive information collected using 5 senses
  7. The smallest particle of an element, made of electrons, protons, and neutrons.
  8. energy, Energy stored in chemical bonds and released through chemical reactions.
  9. What is used to COMPARE the results to.

16 Clues: What is used to COMPARE the results to. • A substance produced during a chemical reaction. • factors that can have an effect on the experiment • data, information in the form of numbers and units • what you think about will/could happen in the future • data, descriptive information collected using 5 senses • ...

Changes in Matter 2014-11-18

Changes in Matter crossword puzzle
Across
  1. what the starting substances are in a reaction
  2. how particles move in a solid
  3. reaction that creates a new substance
  4. matter with particles fixed in position
  5. there have to be the same number of these on both sides of a chemical equation
  6. gas changing to a liquid
  7. liquid changing to a gas all at once
  8. reaction that releases heat
  9. liquid changing to gas one layer at a time
  10. reaction that absorbs heat
Down
  1. a measure of the kinetic energy of the particles in a substance
  2. solid changing to liquid
  3. reaction that makes the substance look different but it's identity remains the same
  4. the law that says matter cannot be created or destroyed
  5. matter with particles that are touching but can move around
  6. matter with particles very far apart and moving fast
  7. what the ending substances are in a reaction
  8. how particles move in a liquid
  9. liquid changing to solid
  10. an increase or decrease in this can cause a physical or chemical change

20 Clues: solid changing to liquid • gas changing to a liquid • liquid changing to solid • reaction that absorbs heat • reaction that releases heat • how particles move in a solid • how particles move in a liquid • liquid changing to a gas all at once • reaction that creates a new substance • matter with particles fixed in position • liquid changing to gas one layer at a time • ...

Physical Science Crosswords 2025-08-21

Physical Science Crosswords crossword puzzle
Across
  1. Large marsupial
  2. Reactions
  3. Equilibrium
  4. and Reduction
  5. Rate
  6. of Chemical Change
  7. Energy
  8. of Chemical Reactions
  9. vs. Irreversible Reactions
  10. and Respiration
  11. Area
  12. and Gases
  13. Reactions
  14. of Conservation of Mass
  15. Likes to chase mice
  16. vs. Chemical Change
  17. Chemical Equations
  18. in Reactions
Down
  1. (Acid-Base)
  2. vs. Endothermic
  3. as Catalysts
  4. Applications of Chemical Change
  5. Bonds Breaking/Forming
  6. Flying mammal
  7. Has a trunk
  8. and Corrosion
  9. Size
  10. Examples of Chemical Change
  11. Kinetics
  12. Theory
  13. Man's best friend

31 Clues: Rate • Size • Area • Energy • Theory • Kinetics • Reactions • and Gases • Reactions • (Acid-Base) • Equilibrium • Has a trunk • as Catalysts • in Reactions • and Reduction • Flying mammal • and Corrosion • Large marsupial • vs. Endothermic • and Respiration • Man's best friend • of Chemical Change • Chemical Equations • Likes to chase mice • vs. Chemical Change • of Chemical Reactions • Bonds Breaking/Forming • ...

Intro to Energy 2013-03-01

Intro to Energy crossword puzzle
Across
  1. The molecule that sunbathes and uses the energy it absorbs for photosynthesis.
  2. The use of released energy.
  3. The most importaint law for energy.
  4. A product that's rich...in energy!
  5. A chemical reaction, {using oxygen} that gets those lazy cells back to work!
  6. Some people have a fast one, and others a slow one.
  7. A chemical reaction that releases energy.
  8. An organism that uses organic carbon for growth.
  9. Plants that get eaten by vegetarians.
  10. The thing teenagers have plenty of, and what old people lack.
  11. A chemical reaction in which an element gains an electron, and becomes a severe debbie downer.
  12. The second most importaint law for energy.
Down
  1. The combo of a substance with oxygen.
  2. Motion caused by movement of all types.
  3. Spongebob's idea of having fun with Sandy before hybernation week.
  4. Another great form of energy!
  5. Potential energy in a chemical form.
  6. Only found in plants, they help with photosynthesis.
  7. Complete and utter randomness!
  8. The Los Angeles ____ basketball team...sucks.

20 Clues: The use of released energy. • Another great form of energy! • Complete and utter randomness! • A product that's rich...in energy! • The most importaint law for energy. • Potential energy in a chemical form. • The combo of a substance with oxygen. • Plants that get eaten by vegetarians. • Motion caused by movement of all types. • A chemical reaction that releases energy. • ...

Chemistry Crossword 2013-01-12

Chemistry Crossword crossword puzzle
Across
  1. A compound that is 0-6 on the pH scale.
  2. When an acid and a base produce a salt and water.
  3. CH4
  4. Produces a solution that conducts electricity when dissolved in water.
  5. Compound made up of a non-metal and non-metal.
  6. Combustion that produces carbon, carbon monoxide, carbon dioxide and water.
  7. Lewis Dot Diagrams represents the number of ______ electron around an atom.
  8. Atomic number of 47.
  9. Colour, texture, density, viscosity, solubility are examples of _____ properties.
  10. CuO
  11. Hydrogen ion forming a bond with a polyatomic ion with an oxygen ion.
Down
  1. Naming chemical formulas.
  2. A compound formed by hydrogen and carbon.
  3. Columns on the periodic table
  4. Chemical reaction involving an element reacting with a compound.
  5. 18th family on periodic table
  6. A chemical present at the start of a chemical reaction and is used up during the reaction.
  7. Negatively charged ion.
  8. Elements that naturally exist in pairs, HOFBrINCl.
  9. Compound made up of a metal and non-metal.

20 Clues: CH4 • CuO • Atomic number of 47. • Negatively charged ion. • Naming chemical formulas. • Columns on the periodic table • 18th family on periodic table • A compound that is 0-6 on the pH scale. • A compound formed by hydrogen and carbon. • Compound made up of a metal and non-metal. • Compound made up of a non-metal and non-metal. • When an acid and a base produce a salt and water. • ...

Grade 9 - Chemistry worksheet 2024-05-18

Grade 9 - Chemistry worksheet crossword puzzle
Across
  1. A measure of the heat content in a system
  2. Horizontal rows in the periodic table
  3. Loss of electrons in a chemical reaction
  4. A substance that cannot be broken down into simpler substances
  5. Gain of electrons in a chemical reaction
  6. The negative electrode in electrolysis
  7. The mass of one mole of a substance
  8. Particles smaller than an atom, such as protons, neutrons, and electrons
  9. The process of using electricity to split compounds into elements
Down
  1. Electrons in the outermost shell of an atom
  2. Substances that start a chemical reaction
  3. Molecules composed of two atoms
  4. Elements in group 1 of the periodic table
  5. Atoms of the same element with different numbers of neutrons
  6. A negatively charged ion
  7. The central part of an atom containing protons and neutrons
  8. The tendency of a substance to undergo chemical reactions
  9. A substance made of two or more elements chemically combined
  10. Anything that has mass and takes up space
  11. A positively charged ion

20 Clues: A negatively charged ion • A positively charged ion • Molecules composed of two atoms • The mass of one mole of a substance • Horizontal rows in the periodic table • The negative electrode in electrolysis • Loss of electrons in a chemical reaction • Gain of electrons in a chemical reaction • Substances that start a chemical reaction • ...

Angelica Ramilo 2022-03-08

Angelica Ramilo crossword puzzle
Across
  1. Mass of one mole of a substance
  2. (actual/theoretical) * 100
  3. empirical formulas are the only correct expressions of ____ compounds
  4. A ratio between the number of moles of any two substances in a chemical reaction
  5. The mass of a mole is the atomic mass from the periodic table
  6. The maximum of product that could be produced based on the limiting reaction
  7. Study of ratios in a chemical reation
  8. What connects moles to particles
  9. The amount of product that was actually produced
Down
  1. The substance that will be used up first in a chemical reaction
  2. important unit that chemist use
  3. Lowest whole number ratio of elements
  4. The basic unit of a chemical reaction
  5. ratios from balanced equations form the conversion factor for changing moles of one substance to moles of another
  6. Given times want/cancel
  7. multiple of an empirical formula

16 Clues: Given times want/cancel • (actual/theoretical) * 100 • Mass of one mole of a substance • important unit that chemist use • What connects moles to particles • multiple of an empirical formula • Lowest whole number ratio of elements • The basic unit of a chemical reaction • Study of ratios in a chemical reation • The amount of product that was actually produced • ...

Macromolecules/Enzymes 2023-05-10

Macromolecules/Enzymes crossword puzzle
Across
  1. An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  2. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  3. A long molecule consisting of many similar or identical monomers linked together.
  4. reactions the process by which one or more substances change to produce one or more different substances
  5. energy Energy needed to get a reaction started
  6. substance that speeds up the rate of a chemical reaction
  7. A specific reactant acted upon by an enzyme
  8. acid a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group
Down
  1. A type of protein that speeds up a chemical reaction in a living thing
  2. A simple compound whose molecules can join together to form polymers
  3. A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.
  4. A substance produced in a chemical reaction
  5. Broken down to glucose to provide energy.
  6. A chemical substance that is present at the start of a chemical reaction
  7. acid macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

15 Clues: Broken down to glucose to provide energy. • A substance produced in a chemical reaction • A specific reactant acted upon by an enzyme • energy Energy needed to get a reaction started • substance that speeds up the rate of a chemical reaction • A simple compound whose molecules can join together to form polymers • ...

IPC Test Extra Credit (20 points) 2024-04-12

IPC Test Extra Credit (20 points) crossword puzzle
Across
  1. mass divided by volume
  2. beginning substances in a chemical reaction
  3. when the appearance of a substance changes
  4. the atomic number of an element
  5. another sign of a chemical reaction
  6. mass divided by volume
  7. when the atoms rearrange to form a new substance
  8. the center of the atom
  9. symbols and formulas to describe a reaction
  10. discovered the nucleus has a positive charge
Down
  1. proposed the Plum Pudding model
  2. substances created in a chemical reaction
  3. proposed that the atom is indivisible
  4. has 10 electrons
  5. when the atoms rearrange to form a new substance

15 Clues: has 10 electrons • mass divided by volume • mass divided by volume • the center of the atom • proposed the Plum Pudding model • the atomic number of an element • another sign of a chemical reaction • proposed that the atom is indivisible • substances created in a chemical reaction • beginning substances in a chemical reaction • discovered the nucleus has a positive charge • ...

chem 2023-03-27

chem crossword puzzle
Across
  1. a substance made by mixing other substances together
  2. a solute dissolved in a solvent
  3. a substance made from two or more different elements
  4. reaction where energy is released/lost/given out
  5. the amount of matter in a particle or object
  6. energy required to start a reaction (__ energy)
  7. a mixture consisting of substances remaining physically separate
  8. the chemical doing the dissolving (measured in liters)
  9. amount of substance in a space for a mixture
  10. the chemical being dissolved (measured in moles)
Down
  1. reaction where energy is absorbed/gained/taken in
  2. a mixture in which the composition is uniform throughout the mixture
  3. relationship between relative quantities of substances taking part in a reaction
  4. the chemicals in the reaction
  5. simplest/reduced ratio formula for a molecule (__ formula)
  6. anything that takes up space and can be weighed
  7. chemicals that react with each other
  8. chemicals produced from a reaction
  9. moles of solute per liters of solution (mol/L)
  10. a specific counting number (how many of something)

20 Clues: the chemicals in the reaction • a solute dissolved in a solvent • chemicals produced from a reaction • chemicals that react with each other • the amount of matter in a particle or object • amount of substance in a space for a mixture • moles of solute per liters of solution (mol/L) • anything that takes up space and can be weighed • ...

Chemistry crossword 2016-02-11

Chemistry crossword crossword puzzle
Across
  1. little pieces in the elements
  2. weight of atom
  3. small, simple atom with very few electrons
  4. metal like element that is liquid at room temperature
  5. neutral charged part of atom
  6. reaction that absorbs heat
  7. outermost electron
  8. reaction that releases heat
  9. positive charged piece in an atom
  10. Russian chemist
  11. one or two letters that are used to show an element
  12. outcome of chemical reaction
  13. track that electrons follow
  14. category of elements
Down
  1. shiny and conductive element
  2. a rule that states mass cannot be destroyed
  3. center part of an atom
  4. mixture of non chemically bound elements
  5. a chemical reaction that attaches a metal to the surface of an object
  6. metal non conductive ductile element
  7. number of protons in the nucleus
  8. negative charged part of atom
  9. has atoms in it
  10. solid that causes reaction
  11. pure substance
  12. single element

26 Clues: weight of atom • pure substance • single element • Russian chemist • has atoms in it • outermost electron • category of elements • center part of an atom • reaction that absorbs heat • solid that causes reaction • reaction that releases heat • track that electrons follow • shiny and conductive element • neutral charged part of atom • outcome of chemical reaction • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. A combination of pure substances.
  2. Shiny, malleable, ductile, conduct electricity.
  3. Negatively charged particles.
  4. The new materials produced by the reaction.
  5. Anything on the periodic table.
  6. A chemical reaction that releases heat energy.
  7. Liquid to solid.
  8. Most reactive non-metals.
  9. Positively charged particles.
  10. Characteristics that can be used to describe a substance.
  11. A cloudy mixture that cannot be separated.
  12. An element that we need to live.
Down
  1. Gas to solid.
  2. The materials at the start of a reaction.
  3. Have both metallic and non-metallic properties.
  4. Solid to gas.
  5. A catalyst found in the human body.
  6. A chemical reaction that absorbs heat energy.
  7. A substance that help a reaction proceed faster.
  8. Liquid to gas.
  9. Anything that has mass and occupies space.
  10. Solid to liquid.
  11. A cloudy mixture that can be separated.
  12. The horizontal rows on the periodic table.
  13. The vertical rows on the periodic table.

25 Clues: Gas to solid. • Solid to gas. • Liquid to gas. • Liquid to solid. • Solid to liquid. • Most reactive non-metals. • Negatively charged particles. • Positively charged particles. • Anything on the periodic table. • An element that we need to live. • A combination of pure substances. • A catalyst found in the human body. • A cloudy mixture that can be separated. • ...

Science Vocabulary Unit B Crossword 2015-11-17

Science Vocabulary Unit B Crossword crossword puzzle
Across
  1. An element with metallic and non-metallic qualities
  2. How fast a chemical reaction occurs
  3. Combination of symbols representing a compound
  4. Substance that helps the rate of reaction occur faster
  5. A law that states mass is neither create or destroyed in chemical reactions
  6. Most reactive non-metals, group 17 on the periodic table
  7. An Atom that has become electrically charged
  8. An experiment in which reactants and products can escape
  9. A row in the periodic table
  10. The smallest part of an element
  11. Organic catalyst
  12. A negatively charged particle in an element
Down
  1. An experiment in which no reactants or products can escape
  2. A Pure substance formed when 2 nonmetals combine
  3. A column in the periodic table
  4. Mass of one atom in an element
  5. Not as reactive, group 2 on periodic table
  6. A reaction which is irreversible, creates a new substance, etc.
  7. A section of elements on the periodic table that does not conduct electricity, is dull and brittle
  8. Number of protons in an atom
  9. A pure substance formed by a metal and non-metal
  10. The core of an element; contains Protons and Neutrons
  11. Most reactive metals, group 1 on periodic table
  12. A positively charged particle in an element core
  13. A neutral charge particle in an element core

25 Clues: Organic catalyst • A row in the periodic table • Number of protons in an atom • A column in the periodic table • Mass of one atom in an element • The smallest part of an element • How fast a chemical reaction occurs • Not as reactive, group 2 on periodic table • A negatively charged particle in an element • An Atom that has become electrically charged • ...

Chemistry 2018-03-13

Chemistry crossword puzzle
Across
  1. the chemicals required in order for a reaction to occur
  2. the reaction that produces energy in the cells of living organisms
  3. negatively charged sub-atomic particle in an atom
  4. the scientist who discovered the nucleus of an atom by shooting alpha particles through gold foil
  5. an atom that has gained or lost an electron
  6. the name given to a chemical reaction where heat is produced
  7. the atom with the atomic number 19 and the symbol K
  8. the number of electrons that can be held in the first shell of an atom
  9. number the name given to the number of protons plus the number of neutrons in an atom
  10. the non-gas reactant in cell respiration
  11. gases very unreactive group on the periodic table
Down
  1. earth metals the name given to group 2 metals on the periodic table
  2. the name given to a chemical reaction where heat is absorbed
  3. the scientist who came up with the plum pudding model of the atom
  4. the gas produced through cell respiration
  5. the name of the chemical process plants use to produce glucose
  6. the part of an atom that has no charge
  7. positively charged sub-atomic particle in an atom
  8. the chemicals produced in a chemical reaction
  9. the number of electrons that can be held in the 2nd shell of an atom

20 Clues: the part of an atom that has no charge • the non-gas reactant in cell respiration • the gas produced through cell respiration • an atom that has gained or lost an electron • the chemicals produced in a chemical reaction • negatively charged sub-atomic particle in an atom • positively charged sub-atomic particle in an atom • ...

Chapter 9-10 Crossword (Acid, Base, pH, Chem. Rxns) 2021-02-16

Chapter 9-10 Crossword (Acid, Base, pH, Chem. Rxns) crossword puzzle
Across
  1. The number that indicates the relative strength of acids and bases in a substance.
  2. Type of reaction that releases heat
  3. The chemical reaction that occurs when burning something.
  4. Has a pH ranging from 11-14
  5. Has a pH ranging from 8-10
  6. A substance that is present at the start of a chemical reaction.
  7. An ion that has a positive charge.
  8. A change in a substance that does not change its identity
  9. Reactions that form water and salt upon mixing of an acid and a base.
  10. Has a pH ranging from 4-6
Down
  1. Matter is not created nor destroyed in any chemical or physical change.
  2. Occurs when two or more molecules interact and change into a new substance.
  3. A substance that releases hydrogen ions (H+). Has a sour taste and low pH.
  4. scale Ranges from the number 0-14. Used to measure how strong or weak an acid/base is.
  5. Has a pH of 7
  6. A substance that releases hydroxide ions (OH-). Has a bitter taste and high pH.
  7. A solid that forms from a solution during a chemical reaction.
  8. Has a pH ranging from 0-3
  9. Test strips that contain compounds; change color when in contact with a substance.
  10. An ion that has a negative charge.
  11. An atom that has a positive or negative charge.
  12. Type of reaction that absorbs heat
  13. When an acid and a base combine changing the pH to be neutral.

23 Clues: Has a pH of 7 • Has a pH ranging from 0-3 • Has a pH ranging from 4-6 • Has a pH ranging from 8-10 • Has a pH ranging from 11-14 • An ion that has a positive charge. • An ion that has a negative charge. • Type of reaction that absorbs heat • Type of reaction that releases heat • An atom that has a positive or negative charge. • ...

Bonding and Reactions 2024-11-25

Bonding and Reactions crossword puzzle
Across
  1. a number that represents how many molecules are in the reaction
  2. the ability to attract an electron
  3. an intermolecular force created by polar or ionic bonds (medium strength)
  4. uneven sharing of electrons
  5. the outermost electron used in bonds
  6. forces that keep molecules together
  7. abbreviated (g)
  8. two or more atoms bonded together
  9. used to speed up the reaction
  10. abbreviated (s)
  11. the transfer of electrons
Down
  1. a negatively charged subatomic particle
  2. even sharing of electrons
  3. an intermolecular force created by nonpolar bonds (weak strength)
  4. the sharing of electrons in a bond
  5. before a chemical reaction occurs
  6. after a chemical reaction occurs
  7. abbreviated (aq)
  8. an intermolecular force created when H bonds with F, O, N
  9. an arrow used to show the result of the reaction
  10. two valence electrons that link atoms together
  11. abbreviated (l)

22 Clues: abbreviated (g) • abbreviated (s) • abbreviated (l) • abbreviated (aq) • even sharing of electrons • the transfer of electrons • uneven sharing of electrons • used to speed up the reaction • after a chemical reaction occurs • before a chemical reaction occurs • two or more atoms bonded together • the ability to attract an electron • the sharing of electrons in a bond • ...

Formative A review 2022-10-02

Formative A review crossword puzzle
Across
  1. A cell that contains a nucleus and membrane bound organelles
  2. permeable a property of cell membranes that allows some substances to pass through, while others cannot
  3. group the group that does not receive the experimental treatment.
  4. well-tested explanation that explains a broad range of observations
  5. acid Building blocks of protein
  6. A logical interpretation based on prior knowledge and experience.
  7. A chemical substance that is present at the start of a chemical reaction
  8. data numerical data
  9. variable The outcome factor; the variable that may change in response to manipulations of the independent variable.
  10. fats and oils
  11. Basic unit of life
  12. large compound formed from combinations of many monomers
  13. The reactant on which an enzyme works.
  14. A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement
  15. A unicellular organism that lacks a nucleus and membrane bound organelles
  16. bilayer double-layered sheet that forms the core of nearly all cell membranes
  17. building blocks of polymers
  18. A substance produced in a chemical reaction
  19. Powerhouse of the cell
  20. A tiny cell structure that carries out a specific function within the cell
  21. An organelle containing digestive enzymes
  22. Chemical reaction ins which energy is absorbed
Down
  1. Reticulum A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.
  2. Makes proteins
  3. membrane A cell structure that controls which substances can enter or leave the cell.
  4. theory idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  5. Chemical Reaction in which energy is primarily given off in the form of heat
  6. reaction the process by which one or more substances change to produce one or more different substances
  7. the starches and sugars present in foods
  8. Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases
  9. An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  10. Control center of the cell
  11. variable variable that is manipulated
  12. Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
  13. A jellylike fluid inside the cell in which the organelles are suspended
  14. apparatus stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
  15. data descriptive data
  16. A testable prediction; an educated guess
  17. A type of protein that speeds up a chemical reaction in a living thing
  18. An organelle found in plant and algae cells where photosynthesis occurs
  19. energy Energy needed to get a reaction started
  20. substance that speeds up the rate of a chemical reaction
  21. wall A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.

43 Clues: fats and oils • Makes proteins • Basic unit of life • data numerical data • data descriptive data • Powerhouse of the cell • Control center of the cell • building blocks of polymers • acid Building blocks of protein • variable variable that is manipulated • The reactant on which an enzyme works. • the starches and sugars present in foods • A testable prediction; an educated guess • ...

Chemistry 2024-03-15

Chemistry crossword puzzle
Across
  1. a chemical reaction in which a substance loses electrons.
  2. means more molecules in a given space, increasing the chance of collisions and speeding up reactions.
  3. reactions are common endothermic reactions.
  4. a chemical reaction in which a substance gains electrons.
  5. the process when energy is released to the surroundings
  6. is one or more forms of a chemical element that can exist in the same physical state.
  7. speed up reactions without getting used up themselves.
  8. reaction is a chemical reaction in which the product can react to produce the original reactant. It can move in both forward and backward directions.
Down
  1. the approximate percentage of argon in air
  2. means using electricity to coat one metal with another.
  3. generates electrons in the reaction and is oxidized. It reduces another substance by generating electrons.
  4. a chemical reaction that uses nitrogen gas and hydrogen gas to create the chemical compound ammonia.

12 Clues: the approximate percentage of argon in air • reactions are common endothermic reactions. • speed up reactions without getting used up themselves. • means using electricity to coat one metal with another. • the process when energy is released to the surroundings • a chemical reaction in which a substance loses electrons. • ...

Chemistry Final Crossword 2020-06-13

Chemistry Final Crossword crossword puzzle
Across
  1. numbers with a contextual meaning
  2. basic description of the variability of a distribution
  3. a circumstance, fact, or influence that contributes to a result or outcome.
  4. anything having mass and taking up space
  5. rearrangement of atom into new substances
  6. a substance made from a chemical reaction
  7. how far something is
  8. the area of variation between upper and lower limits on a particular scale.
  9. the amount of time occupied by something
  10. start or set in motion
  11. able to be changed or adapted
  12. done in the same way over time, especially so as to be fair or accurate.
  13. of the action or process of observing something or someone carefully.
  14. the rate at which someone or something is able to move
  15. standard reference experiment done under parallel or identical conditions.
  16. useable power such as heat or electricity
  17. the basic unit of matter
Down
  1. a course along which someone or something moves
  2. a chemical reaction between a fuel and oxygen
  3. the action of departing from an established course
  4. the amount of space
  5. the substances that combine in a chemical reaction
  6. quantitative observation of the size, extent or amount of an object.
  7. the action of predicting something
  8. a position on a real or imaginary scale of amount, quantity, extent, or quality.
  9. Pure substance that cannot be broken down into simpler substances by a chemical reaction.

26 Clues: the amount of space • how far something is • start or set in motion • the basic unit of matter • able to be changed or adapted • numbers with a contextual meaning • the action of predicting something • anything having mass and taking up space • the amount of time occupied by something • rearrangement of atom into new substances • a substance made from a chemical reaction • ...

Max' crossword puzzle 2024-05-23

Max' crossword puzzle crossword puzzle
Across
  1. Putting chemicals together
  2. The changes during a chemical reaction
  3. Something that takes up space
  4. A characteristic that can be seen, such as texture, color, order, boiling point, density, or measured
  5. A change you can see
  6. Something that increases the rate of a chemical reaction
  7. The starting materials that undergo to make a chemical change to make a product
  8. A pure substance that is formed when two or more different elements combine
Down
  1. The study of matter
  2. The average amount of kinetic energy in a system
  3. The substance that is made after a reaction
  4. A substance that can't be broken down
  5. The amount of matter in an object
  6. An amount of space an object takes up
  7. water sticking to things
  8. A process changing a substance into a new substance
  9. A attraction between atoms
  10. The smallest unit of matter

18 Clues: The study of matter • A change you can see • water sticking to things • Putting chemicals together • A attraction between atoms • The smallest unit of matter • Something that takes up space • The amount of matter in an object • A substance that can't be broken down • An amount of space an object takes up • The changes during a chemical reaction • ...

Modeling Conservation of Mass 2023-09-27

Modeling Conservation of Mass crossword puzzle
Across
  1. Law of ______________ of Matter - Scientific law stating that the mass of all reactants must equal the mass of all products; matter is neither created nor destroyed
  2. Chemical __________ - A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms that are present in the smallest unit of a substance
  3. to prevent the loss of something
  4. A measure of how much matter is present in a substance
  5. a number written below and to the right of a chemical symbol that shows the number of specific type of atoms present
  6. Physical or chemical characteristics of matter used to describe or identify a substance
  7. the smallest particle of an element; made of electrons, protons, and neutrons
Down
  1. chemical ________ - is chemical formula and symbols written to represent a reaction
  2. the simplest unit of a chemical compound that can exist; formed when two or more atoms join together chemically
  3. a substance that takes part in and undergoes change during a chemical reaction
  4. Chemical _________ - The process by which one or more substances change to produce one or more different substances
  5. A number placed in front of a chemical symbol or formula that represents the number of molecules
  6. A substance produced during a chemical reaction
  7. Chemical _________ - Method or means of changing one or more chemicals or chemical compounds

14 Clues: to prevent the loss of something • A substance produced during a chemical reaction • A measure of how much matter is present in a substance • the smallest particle of an element; made of electrons, protons, and neutrons • a substance that takes part in and undergoes change during a chemical reaction • ...

Periodic Compounds Key Terms 2024-07-28

Periodic Compounds Key Terms crossword puzzle
Across
  1. a substance that is brittle, has a low melting and boiling point and is a poor conductor
  2. a table of chemical elements arranged according to atomic number
  3. a solid material that is usually hard, shiny, malleable, ductile and is a good conductor
  4. the ability of a substance to undergo a chemical reaction
  5. movement of energy from one place to another
  6. the intensity of heat in a substance
  7. type of bond that occurs between a metal and a non metal
Down
  1. the temperature at which a substance will melt
  2. anything that has mass and volume
  3. Russian chemist who developed the periodic table.
  4. process that leads to the chemical transformation of one set of chemical substances to another
  5. substances that take part in a chemical reaction
  6. substances produced in a chemical reaction

13 Clues: anything that has mass and volume • the intensity of heat in a substance • substances produced in a chemical reaction • movement of energy from one place to another • the temperature at which a substance will melt • substances that take part in a chemical reaction • Russian chemist who developed the periodic table. • ...

Energy transfers crossword 2022-02-04

Energy transfers crossword crossword puzzle
Across
  1. ___________ are found on the left hand side of a chemical equation
  2. A force that holds together atoms in a compound or molecule (must be broken and reformed for a chemical reaction to occur)
  3. substances formed from reactants in a chemical reaction
  4. Burning a fuel in the presence of oxygen
  5. The law of the conservation of _____: States that atoms are rearranged in a chemical reaction, not lost or found
  6. A type of reaction where energy is taken in from the surroundings, decreasing the surrounding temperature
  7. This gas makes limewater turn cloudy
  8. In a chemical equation, products are found on the ______ hand side
Down
  1. A substance that speeds up chemical reactions, but are not changed during the reaction
  2. Thermal ________, to breakdown a substance using heat
  3. A type of change where an object can be reshaped, but no new product is formed. Is often reversible
  4. A type of reaction where energy is given out, so the surrounding temperature increases

12 Clues: This gas makes limewater turn cloudy • Burning a fuel in the presence of oxygen • Thermal ________, to breakdown a substance using heat • substances formed from reactants in a chemical reaction • ___________ are found on the left hand side of a chemical equation • In a chemical equation, products are found on the ______ hand side • ...

Neutralisation 2021-02-10

Neutralisation crossword puzzle
Across
  1. used to raise the pH of an acid soil
  2. red vegetable used to make an indicator
  3. pH 7
  4. used in a chemical reaction
  5. ions produced by an alkali
  6. pH 8-14
  7. common "bench" acid
Down
  1. pH 1-6
  2. made in a chemical reaction
  3. a chemical that will neutralise an acid
  4. reaction where a base is added to an acid
  5. Made in neutralisation reactions
  6. hydrogen ion
  7. Colour of red cabbbage indicator in a strong alkali

14 Clues: pH 7 • pH 1-6 • pH 8-14 • hydrogen ion • common "bench" acid • ions produced by an alkali • made in a chemical reaction • used in a chemical reaction • Made in neutralisation reactions • used to raise the pH of an acid soil • a chemical that will neutralise an acid • red vegetable used to make an indicator • reaction where a base is added to an acid • ...

PS Review Semester 1 - 2021 2021-12-08

PS Review Semester 1 - 2021 crossword puzzle
Across
  1. Carbon dioxide and water are usually the products in this type of reaction
  2. one sign of a chemical reaction taking place
  3. the amount of time it takes for one half of a sample to decay
  4. electrons have this charge
  5. displacement AB + C → AC + B
  6. the bonding where electrons are shared
  7. these gases do not react because they are completely stable on their own
  8. anything that takes up space and has mass
  9. adding protons and neutrons
  10. when a chemical reaction takes in heat
  11. a charged particle
  12. neutrons have this charge
  13. this element radioactively decays into Lead
  14. protons have this charge
  15. adding this to a reaction can speed it up
  16. number of protons
  17. orbit the nucleus
Down
  1. AB → A + B
  2. A + B → AB
  3. number of electrons the 2nd energy level can hold
  4. another name for electron energy levels
  5. center of an atom
  6. displacement AB + CD → AD + BC
  7. happens in nuclear energy when one reaction sets off another and another
  8. the spontaneous process in which an atomic nucleus emits radiation
  9. the bonding where electrons are transferred
  10. father of the Periodic Table of Elements
  11. Column 1 of the periodic table are these types of metals
  12. the middle part of the periodic table, which we colored red, are these metals
  13. chemicals listed to the right of the arrow in a chemical reaction
  14. chemicals listed to the left of the arrow in a chemical reaction
  15. when a chemical reaction releases energy
  16. outer electrons can be called this
  17. the reason atoms combine with each other
  18. the conservation of ______ says that matter cannot be created or destroyed
  19. ability of an atom to attract electrons to itself
  20. number of electron energy levels and also the number of rows in the periodic table
  21. atoms with the same number of protons but different number of neutrons
  22. when an electron gains energy, it moves from a grounded state to this state

39 Clues: AB → A + B • A + B → AB • center of an atom • number of protons • orbit the nucleus • a charged particle • protons have this charge • neutrons have this charge • electrons have this charge • adding protons and neutrons • displacement AB + C → AC + B • displacement AB + CD → AD + BC • outer electrons can be called this • the bonding where electrons are shared • ...

Chemical Reactions and Equations 2025-06-01

Chemical Reactions and Equations crossword puzzle
Across
  1. Process in which one or more substances are changed into new substances
  2. Chemical reaction in which two or more substances combine
  3. Reaction in which heat is evolved
  4. Substance that speeds up a chemical reaction without being consumed
  5. Substance that undergoes a chemical change
Down
  1. Reaction in which heat is absorbed
  2. Chemical equation in which the number of atoms of each element is equal on both sides
  3. Type of chemical reaction in which a single compound breaks down
  4. Representation of a chemical reaction using symbols and formulas
  5. Number that represents the number of atoms of an element in a molecule

10 Clues: Reaction in which heat is evolved • Reaction in which heat is absorbed • Substance that undergoes a chemical change • Chemical reaction in which two or more substances combine • Type of chemical reaction in which a single compound breaks down • Representation of a chemical reaction using symbols and formulas • ...

Chemical Reactions and Equations 2024-05-14

Chemical Reactions and Equations crossword puzzle
Across
  1. a magnesium ribbon burns in _____ colour
  2. corrosion and rancidity are _______ reactions
  3. substance that speeds up a chemical reaction
  4. 2Mg+O2 = 2MgO is a _______ reaction
  5. during a double displacement reaction, _____ are exchanged
  6. brown gas produced during the decomposition of lead nitrate
  7. gas evolved when an acid reacts with a metal
  8. a substance that undergoes a chemical change in a reaction
Down
  1. a substance which turns from green to white when heated
  2. reaction where light causes the breakdown of a subtance
  3. CaO + H20 is a ______ reaction (exothermic/endothermic)
  4. most reactive metal
  5. acid-metal reactions are ________ reactions
  6. common name of calcium hydroxide
  7. an insoluble solid formed during a double displacement reaction

15 Clues: most reactive metal • common name of calcium hydroxide • 2Mg+O2 = 2MgO is a _______ reaction • a magnesium ribbon burns in _____ colour • acid-metal reactions are ________ reactions • substance that speeds up a chemical reaction • gas evolved when an acid reacts with a metal • corrosion and rancidity are _______ reactions • ...

Cellular Energy Terms 2022-12-12

Cellular Energy Terms crossword puzzle
Across
  1. breakdown of substance by bacteria
  2. extracts energy from glucose
  3. substance that changes in a reaction
  4. sugar made from photosynthesis
  5. made from cellular respiration
  6. process that breaks down glucose
  7. controls the rate of gas exchange
  8. inner tissue of a leaf
  9. chemical element
  10. converts nutrients to glucose
  11. organism that is a primary producer
  12. relating to oxygen
Down
  1. an organelle found in cells
  2. 1 carbon atom, 2 carbon atoms
  3. cycle of chemical reactions
  4. citric acid cycle
  5. the result of a reaction
  6. an organelle containing chlorphyll
  7. process in which plants make food
  8. reaction using light energy

20 Clues: chemical element • citric acid cycle • relating to oxygen • inner tissue of a leaf • the result of a reaction • an organelle found in cells • cycle of chemical reactions • reaction using light energy • extracts energy from glucose • 1 carbon atom, 2 carbon atoms • converts nutrients to glucose • sugar made from photosynthesis • made from cellular respiration • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...