chemical reaction Crossword Puzzles

Bentlie Setmire - Chapter 13 Crossword 2021-12-02

Bentlie Setmire - Chapter 13 Crossword crossword puzzle
Across
  1. oxygen being added to a chemical equation
  2. reaction where net release of energy takes place
  3. endothermic reaction where net absorption of energy takes place
  4. AB turns into A+B
  5. a chemical that accepts a hydrogen atom
  6. A+B turns into AB
Down
  1. Displacement where AB+CD turns into AD+BC
  2. Type of energy that is also known as bond energy
  3. displacement where A+BC turns into AC+B
  4. a chemical that donates a hydrogen atom
  5. Substance that lowers the rate of the chemical reaction

11 Clues: AB turns into A+B • A+B turns into AB • displacement where A+BC turns into AC+B • a chemical that donates a hydrogen atom • a chemical that accepts a hydrogen atom • Displacement where AB+CD turns into AD+BC • oxygen being added to a chemical equation • Type of energy that is also known as bond energy • reaction where net release of energy takes place • ...

Physical and Chemical Changes Vocabulary 2023-03-23

Physical and Chemical Changes Vocabulary crossword puzzle
Across
  1. states that the mass of an object, or
  2. the way a substance reacts with other substances
  3. on the left side of a chemical equation)
  4. a substance at the end of a chemical reaction
  5. a thin layer of corrosion that forms over copper, brass, and silver.
  6. a solid substance that forms and separates from a solution and
  7. the temperature at which a substance becomes solid (32 °F;
Down
  1. the temperature at which a substance goes from a liquid to a gas
  2. of objects never changes, no matter how the parts are rearranged.
  3. occurs when atoms link together in new ways to create
  4. different from the original substances. (also known as a chemical reaction)example:decaying, and burning
  5. evidence of a chemical change
  6. the deterioration of a material or metal, as it reacts with its
  7. how easily a substance is able to catch fire
  8. a change that alters the form of an object without what type of matter it is. Examples: molding clay, sharpening a pencil
  9. an original substance at the beginning of a chemical reaction (usually

16 Clues: evidence of a chemical change • states that the mass of an object, or • on the left side of a chemical equation) • how easily a substance is able to catch fire • a substance at the end of a chemical reaction • the way a substance reacts with other substances • occurs when atoms link together in new ways to create • ...

Chemical Formulas and Reactions 2021-10-31

Chemical Formulas and Reactions crossword puzzle
Across
  1. a physical or chemical change in which energy is absorbed
  2. starting materials in a chemical reaction
  3. Solid that is produced as a result of a chemical reaction in solution
  4. substances formed from a chemical reaction
Down
  1. Representation of a chemical reaction
  2. mass is neither created nor destroyed in ordinary chemical and physical changes
  3. process by which one or more substances undergo change to produce one or more different substances
  4. Number of molecules in a chemical compound
  5. a physical or chemical change in which energy is released or removed
  6. small whole number in front of a formula in a chemical equation

10 Clues: Representation of a chemical reaction • starting materials in a chemical reaction • Number of molecules in a chemical compound • substances formed from a chemical reaction • a physical or chemical change in which energy is absorbed • small whole number in front of a formula in a chemical equation • a physical or chemical change in which energy is released or removed • ...

cross word 2023-12-11

cross word crossword puzzle
Across
  1. elements are found on this
  2. absorbs heat
  3. the nut come of a chemical reaction
  4. on the right side of the periodic table
  5. has to have two nonmetal
  6. also known as atomic number
  7. may change color, produce odor, or release gas.
Down
  1. releases heat
  2. H2O->H2+O2
  3. KBr+AgNO3->AgBr+KNO3
  4. Fe+CuCl->Cu+FeCl
  5. mass / volume
  6. CxHy+O2->CO2+H2O+fire
  7. a subatomic particle in a atom with a negative charge
  8. the starting materials in a chemical reaction that undergoes a chemical change to form a product
  9. has to have a metal and nonmetal
  10. can often be undone
  11. the subatomic particle that circles the outside of the nucleus with a negative charge
  12. A+B->A-B
  13. on the left side of the periodic table

20 Clues: A+B->A-B • H2O->H2+O2 • absorbs heat • releases heat • mass / volume • Fe+CuCl->Cu+FeCl • can often be undone • KBr+AgNO3->AgBr+KNO3 • CxHy+O2->CO2+H2O+fire • has to have two nonmetal • elements are found on this • also known as atomic number • has to have a metal and nonmetal • the nut come of a chemical reaction • on the left side of the periodic table • ...

Acids and Bases 2024-10-11

Acids and Bases crossword puzzle
Across
  1. colour of indicator solution in milk
  2. chemical that changes colour with acids or alkalis
  3. method to separate colours (in inks)
  4. substances with low pH values
  5. Magnesium chloride is one of these
  6. tablets to neutralise acid during indigestion
  7. liquid that dissolves a solute
  8. colour of indicator solution in washing-up liquid
  9. reacts with acid to for salt and water
Down
  1. amount of solute in a volume of solvent
  2. bases that dissolve in water
  3. food pipe
  4. muscular bag containing acid
  5. paper or solution that indicates acidity or alkalinity
  6. insoluble from reaction between substances in solution
  7. indicate a chemical reaction
  8. substance that is dissolved in a solution
  9. elements on the left of the periodic table
  10. causes chemical reactions and destroys other substances in doing so
  11. natural indicator

20 Clues: food pipe • natural indicator • bases that dissolve in water • muscular bag containing acid • indicate a chemical reaction • substances with low pH values • liquid that dissolves a solute • Magnesium chloride is one of these • colour of indicator solution in milk • method to separate colours (in inks) • reacts with acid to for salt and water • ...

Chemical Reactions Crossword 2021-01-12

Chemical Reactions Crossword crossword puzzle
Across
  1. group of atoms bonded together,
  2. The substance that forms in a chemical reaction
  3. burning wood, rust, campfire are examples of a
  4. A substance that changes the rate of a chemical reaction without being used up or changed very much.
  5. The area of chemistry involving the calculations of quantities of substances involved in chemical reactions
  6. A + BC -----> AC + B
Down
  1. used up when reaction is run to completion
  2. The chemicals which are put into a chemical reaction and are on the left side of the reaction
  3. smallest component of an element
  4. Pure substance found on the periodic table

10 Clues: A + BC -----> AC + B • group of atoms bonded together, • smallest component of an element • used up when reaction is run to completion • Pure substance found on the periodic table • burning wood, rust, campfire are examples of a • The substance that forms in a chemical reaction • ...

Chemical Reactions 2025-04-05

Chemical Reactions crossword puzzle
Across
  1. A change that affects the form or appearance of a substance but does not create a new substance.
  2. A reaction in which one substance is oxidized (loses electrons) and another is reduced (gains electrons).
  3. Reactions in which a more reactive element takes the place of a less reactive element in a compound.
  4. A chemical reaction in which a substance reacts quickly with oxygen and releases energy as heat and light.
  5. The speed at which reactants are converted into products in a chemical reaction.
Down
  1. Elements found in the center of the periodic table that can form ions with different charges and act as catalysts.
  2. A substance that speeds up a chemical reaction by lowering the activation energy, without being used up.
  3. A number that shows how many electrons an atom has gained, lost, or shared in a chemical reaction.
  4. A change in which a new substance is formed with different properties; also called a chemical reaction.
  5. A theory that explains how chemical reactions happen when particles collide with enough energy.
  6. The process by which atoms, ions, or molecules stick to a surface, often used to describe how catalysts work.

11 Clues: The speed at which reactants are converted into products in a chemical reaction. • A theory that explains how chemical reactions happen when particles collide with enough energy. • A change that affects the form or appearance of a substance but does not create a new substance. • ...

Ch 10: The Basics of Chemistryhe 2022-04-02

Ch 10: The Basics of Chemistryhe crossword puzzle
Across
  1. measures the acidity and alkalinity of a substance.
  2. the study of substances that do not contain carbon but may contain hydrogen.
  3. an unstable physical mixture of two or more substances that normally will not stay blended...
  4. the chemical particles from which all matter is composed; therefore , all matter is made entirely of chemicals.
  5. a change in the form, or physical properties of a substance, without a chemical reaction or the creation of a new substance.
  6. an alteration in the chemical composition or makeup of a substance.
  7. chemical combination of a single type of matter.
  8. the simplest form of chemical matter and cannot be broke down into a simpler substance without the loss of identity.
  9. these three forms are called the states of matter.
  10. the study of substances that contain the element carbon.
  11. oil loving
  12. the science that deals with the composition, structures, and properties of matter and how matter changes under different conditions.
Down
  1. unstable mixtures of undissolved particles floating in a liquid.
  2. chemical reactions that can release a significant amount of heat.
  3. those characteristics that can be determined without a chemical reaction and do not involve a chemical change.
  4. evaporate easily
  5. a chemical combination of two or more different types of atoms.
  6. water loving
  7. any substance that occupies space and has mass.
  8. a stable, uniform blend of two or more substances.

20 Clues: oil loving • water loving • evaporate easily • any substance that occupies space and has mass. • chemical combination of a single type of matter. • these three forms are called the states of matter. • a stable, uniform blend of two or more substances. • measures the acidity and alkalinity of a substance. • the study of substances that contain the element carbon. • ...

Extra Credit Crossword Puzzle 2018-10-20

Extra Credit Crossword Puzzle crossword puzzle
Across
  1. One sign of a chemical change is the change in ______ (temp or light)
  2. in a chemical formula, they represent the coefficient (number of particles)
  3. exists in nature in particles made from 2 elements
  4. One sign of a chemical change is the change in ______
  5. a short-hand notation showing the elements present in a substance and the amount of each element
  6. a picture that uses shapes to show what compound or an element looks like
  7. exists in nature in particles made from more than 2 atoms
  8. One sign of a chemical change is the production of ____
  9. a particle made of atoms that are covalently bondedOne sign of a chemical change is the change in ______
  10. Indicates a change has happened and separates the reactants from the products
Down
  1. a minute portion of matter
  2. a substance made from 1 type of atom
  3. the substances that form as a result of the reaction
  4. in a chemical formula, they represent the subscripts (number of atoms per element)
  5. One sign of a chemical change is the formation of a _____
  6. the basic unit of a chemical element
  7. exists in nature in particles made from one element
  8. the substances you start a reaction with
  9. a substance made of 2 or more elements bonded together
  10. in a chemical formula, they represent the element symbols (type of element)

20 Clues: a minute portion of matter • a substance made from 1 type of atom • the basic unit of a chemical element • the substances you start a reaction with • exists in nature in particles made from 2 elements • exists in nature in particles made from one element • the substances that form as a result of the reaction • One sign of a chemical change is the change in ______ • ...

WS Equilibrium 2022-03-28

WS Equilibrium crossword puzzle
Across
  1. a probability distribution used for describing the speeds of various particles within a stationary container at a specific temperature
  2. When a chemical reaction is at equilibrium, the concentration of the reactants and the products remains the same over time
  3. a physical system that does not allow transfer of any matter in or out of the system but allows energy transfer
  4. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
  5. the interactions between energy sources within the Earth's environment
  6. a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in the form of light, electricity, or sound
Down
  1. the equilibrium constant for a solid substance dissolving in an aqueous solution
  2. a system in equilibrium in which reactants and products are found in two or more phases
  3. a thermodynamic quantity equivalent to the total heat content of a system and is equal to the internal energy of the system plus the product of pressure and volume
  4. a number that expresses the relationship between the amounts of products and reactants present at equilibrium in a reversible chemical reaction at a given temperature
  5. a quantity that measures the relative amounts of products and reactants present during a reaction at a particular point in time
  6. if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish an equilibrium
  7. any chemical reaction that absorbs heat from its environment
  8. a system in equilibrium in which all species are present in the same phase
  9. a thermodynamic quantity that is equal to the difference between the internal energy of a system and the product of its absolute temperature and entropy
  10. a chemical reaction that uses nitrogen gas and hydrogen gas to create the chemical compound ammonia

16 Clues: any chemical reaction that absorbs heat from its environment • the interactions between energy sources within the Earth's environment • a system in equilibrium in which all species are present in the same phase • the equilibrium constant for a solid substance dissolving in an aqueous solution • ...

breanna huffman science crossword 2017-10-11

breanna huffman science crossword crossword puzzle
Across
  1. The reacting substances in a chemical reaction
  2. The process by which a reactant loses one or more electrons
  3. Description of a chemical reaction in which there is a net release of energy
  4. Description of a chemical reaction in which there is a new absorption of energy
  5. A substance that accepts hydrogen ions
Down
  1. The new materials formed by a chemical reaction
  2. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  3. The minimum energy required in order for a chemical reaction to proceed
  4. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
  5. A substance that donates hydrogen ions

10 Clues: A substance that donates hydrogen ions • A substance that accepts hydrogen ions • The reacting substances in a chemical reaction • The new materials formed by a chemical reaction • The process by which a reactant loses one or more electrons • The minimum energy required in order for a chemical reaction to proceed • ...

Enzymes and Biochemical Reactions 2024-10-10

Enzymes and Biochemical Reactions crossword puzzle
Across
  1. the amount of energy needed to make a chemical reaction start
  2. all of the chemical reactions within each cell of an organism
  3. the breaking and forming of bonds between different substances during chemical changes
  4. a location on an enzyme that fits only one substrate
  5. break down larger molecules into simpler compounds resulting in a release of energy
Down
  1. when enzymes active site gets deformed and loses its specific shape
  2. absorbs energy
  3. substances that are made by a chemical reaction
  4. releases energy
  5. substances that are changed during a chemical reaction
  6. build larger molecules from smaller ones and requires consuming energy to do it
  7. substances that speed up reactions without being permanently altered

12 Clues: absorbs energy • releases energy • substances that are made by a chemical reaction • a location on an enzyme that fits only one substrate • substances that are changed during a chemical reaction • the amount of energy needed to make a chemical reaction start • all of the chemical reactions within each cell of an organism • ...

Science Chapter 1 Vocab 2021-12-03

Science Chapter 1 Vocab crossword puzzle
Across
  1. of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
  2. is a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
  3. equation consists of the chemical formulas of the reactants (the starting substances) and the chemical formula of the products
  4. replacement is a chemical reaction in which one element is replaced by another in a compound.
  5. is the process of decaying or rotting.
Down
  1. is a written discussion incorporating support from several sources of differing views.
  2. is (of a reaction or process) accompanied by the release of heat.
  3. Energy is the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
  5. inhibitor is a thing which inhibits someone or something.
  6. is (of a reaction or process) accompanied by or requiring the absorption of heat.
  7. replacement is a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations

12 Clues: is the process of decaying or rotting. • inhibitor is a thing which inhibits someone or something. • is (of a reaction or process) accompanied by the release of heat. • is (of a reaction or process) accompanied by or requiring the absorption of heat. • is a written discussion incorporating support from several sources of differing views. • ...

Chapter 13 Joe Mitchey 2018-09-28

Chapter 13 Joe Mitchey crossword puzzle
Across
  1. Description of a chemical reaction in which there is a net absorption of energy.
  2. The minimum energy required in order for a chemical reaction to proceed.
  3. The process by which a reactant gains one or more electrons.
  4. The reacting substances in a chemical reaction.
  5. A reaction between an acid and a base.
Down
  1. Matter is neither created nor destroyed during a chemical reaction; atoms are merely rearranged, without any apparent loss or gain of mass, to form new molecules.
  2. Description of a chemical reaction in which there is a net release of energy.
  3. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration.
  4. A measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration.
  5. A substance that donates hydrogen ions.

10 Clues: A reaction between an acid and a base. • A substance that donates hydrogen ions. • The reacting substances in a chemical reaction. • The process by which a reactant gains one or more electrons. • The minimum energy required in order for a chemical reaction to proceed. • Description of a chemical reaction in which there is a net release of energy. • ...

Milady Chapter 12 Basics of Chemistry (2) 2016-11-02

Milady Chapter 12 Basics of Chemistry (2) crossword puzzle
Across
  1. Is also known as oxidation-reduction and a chemical reaction in which oxidation and reduction take place at the same time.
  2. A ? agent is a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.
  3. The term ? refers to a chemical reaction that combines a substance with oxygen to produce an oxide an example is in the haircoloring process.
  4. Under certain circumstances, chemical reactions can release a significant amount of ?.
  5. Most of the products cosmetologists and nail technicians use are physical ?.
  6. The rapid oxidation of a substance accompanied by the production of heat and light.
  7. A ? change is a change in the form or physical properties of a substance, without a chemical reaction or the creation of a new substance.
  8. The substance that dissolves the solute and makes the solution.
Down
  1. A ? substance is a chemical combination of matter in definite proportions.
  2. Is a stable physical mixture of two or more substances in a solvent.
  3. A ? agent is a substance that releases oxygen.
  4. A physical mixture is a physical combination of matter in any ?.
  5. All oxidation reactions are ? reactions.
  6. Liquids are not capable of being mixed.
  7. A change in the ? composition or make-up of a substance.
  8. The substance that is dissolved into solution.
  9. Can be mixed together to form clear solutions.

17 Clues: Liquids are not capable of being mixed. • All oxidation reactions are ? reactions. • A ? agent is a substance that releases oxygen. • The substance that is dissolved into solution. • Can be mixed together to form clear solutions. • A change in the ? composition or make-up of a substance. • The substance that dissolves the solute and makes the solution. • ...

Photosynthesis crossword puzzle 2025-03-18

Photosynthesis crossword puzzle crossword puzzle
Across
  1. It cannot be created nor destroyed, it can only be changed.
  2. Changes that occur in matter without changing its chemical composition.
  3. A chemical reaction that occurs between sunlight, carbon dioxide, and water in plant cells and makes food molecules and oxygen.
  4. A process where a set of substances undergo a chemical change to form a different substance.
Down
  1. What carbohydrates break into.
  2. Substances produced by a chemical reaction.
  3. A chemical reaction where organisms use oxygen and food molecules to create carbon dioxide, water, and energy.
  4. The ability to do something
  5. A unit of measuring energy in food
  6. Substances at the beginning of the chemical reaction.

10 Clues: The ability to do something • What carbohydrates break into. • A unit of measuring energy in food • Substances produced by a chemical reaction. • Substances at the beginning of the chemical reaction. • It cannot be created nor destroyed, it can only be changed. • Changes that occur in matter without changing its chemical composition. • ...

Unit 5 Vocab 2026-03-23

Unit 5 Vocab crossword puzzle
Across
  1. A number placed in front of the parts of a chemical equation to indicate how many are involved; always a positive whole number
  2. A type of reaction in which the positive and negative portions of two ionic compounds are interchanged
  3. The study of relationships between measurable quantities such as mass and volume, and the number of atoms in chemical reactions.
  4. A flowing substance with a definite volume but an indefinite shape
  5. the kind and number of atoms of each element present in a molecular compound
  6. Percent by mass of each element in a compound
  7. The simplest ratio of ions in a compound
  8. A substance in which the particles occupy fixed positions in a well-defined, three dimensional arrangement.
  9. A substance that undergoes a reaction
  10. The smallest particle of a given type of matter
  11. A biological catalyst
  12. A measurement of the “amount of a substance”
  13. A flowing compressible substance with no definite volume or shape
  14. Term for a system where no net change occurs in the amount of reactants or products
  15. A substance that speeds up the rate of a reaction without being used up itself or permanently changed
  16. is equal to the atomic mass units
  17. The name applied to a reaction in which two more more substance combine to form a single product
Down
  1. A substance that slows down a reaction
  2. A reaction in which a substance reacts with oxygen gas releasing energy as heat and light
  3. An uncharged group of two or more atoms held together by covalent bonds
  4. A new substance formed when reactants undergo a chemical change
  5. The reactant of which there is not enough; when it is used up, the reaction stops and no new product is formed
  6. The formula of a compound having the smallest whole-number ratio of atoms in the compound
  7. 6.022 x 1023
  8. States that if a stress is applied to a system at equilibrium, the system shifts in the direction that relieves the stress.
  9. A substance that cannot be broken down into simpler substances
  10. A solution dissolved in water, abbreviated (aq) in a chemical equation
  11. The mass in atomic mass units of one molecule of a covalent compound
  12. The amount of energy the particles in a reaction must have when they collide for the reaction to occur.
  13. The maximum amount of product that can be produced from a given reactant - determined by stoichiometric calculations - expressed as a percent.
  14. A type of reaction in which one element takes the place of another in a compound
  15. The name applied to a reaction where a compound breaks down into two or more simpler substances
  16. The amount of a substance present in a unit volume
  17. A number written in a smaller font, positioned to the right of a chemical symbol to indicate the number of atoms of a particular element that are found in a molecule
  18. The ratio of actual yield (from an experiment) expressed as a percent

35 Clues: 6.022 x 1023 • A biological catalyst • is equal to the atomic mass units • A substance that undergoes a reaction • A substance that slows down a reaction • The simplest ratio of ions in a compound • A measurement of the “amount of a substance” • Percent by mass of each element in a compound • The smallest particle of a given type of matter • ...

Balancing Chemical Equations - Carly Farkosh 2023-10-10

Balancing Chemical Equations - Carly Farkosh crossword puzzle
Across
  1. What is present to show that a chemical reaction has taken place
  2. Anything that has mass and takes up space
  3. Substances produced after a chemical reaction
  4. This law says mass can't be created or destroyed
Down
  1. What an equation has to be after a chemical reaction
  2. Which side reactants are in the equation
  3. Substances before a chemical reaction
  4. Which side products are in the equation
  5. What each side of the equation is when it's balanced
  6. What is on either side of the equation

10 Clues: Substances before a chemical reaction • What is on either side of the equation • Which side products are in the equation • Which side reactants are in the equation • Anything that has mass and takes up space • Substances produced after a chemical reaction • This law says mass can't be created or destroyed • What an equation has to be after a chemical reaction • ...

Unit 5 vocab CHEM 2022-11-17

Unit 5 vocab CHEM crossword puzzle
Across
  1. The right side of the a chemical equation, the substance at the end of the reaction
  2. A chemical reaction that happens when a substance reacts with oxygen to give off heat
  3. A substance made up of two to or more different chemical elements combined
  4. The left side of the a chemical equation, the substances at the start of the reaction
  5. A atom were the numbers of electrons is different from the number of protons
  6. Big numbers in front of the chemical formulas, they tell us the amount of compounds and elements
  7. One reactant breaks down into multiple, simpler products
  8. When a non-metal shares its valence electrons with another non-metal
Down
  1. When two reacting compounds switch their "partners" AKA the homie hopper
  2. When two or more elements combine to create one product AKA the homewrecker
  3. Molecules that have two atoms of the same or different chemical elements
  4. Little numbers under the symbol, counting the atoms
  5. A + B ---> AB
  6. A metal that transfers its valence electrons to a non-metal

14 Clues: A + B ---> AB • Little numbers under the symbol, counting the atoms • One reactant breaks down into multiple, simpler products • A metal that transfers its valence electrons to a non-metal • When a non-metal shares its valence electrons with another non-metal • When two reacting compounds switch their "partners" AKA the homie hopper • ...

Exo and endo crossword 2023-11-30

Exo and endo crossword crossword puzzle
Across
  1. either negative or positive will determine the reaction
  2. chemical... hold molecules together
  3. the energy a reaction needs to get started
  4. delta H endothermic reaction
  5. gives off energy
  6. an endothermic reaction involving plants
  7. delta H exothermic reaction
  8. takes in energy
Down
  1. warmth
  2. absorbs energy CaCO3+ Heat= CaO+ CO2
  3. Hydrogen is a ...
  4. water changing matter
  5. things they start with
  6. things they end with
  7. releases energy CH4+ O2= CO2+ H2O
  8. molecules needed to break and repair bonds

16 Clues: warmth • takes in energy • gives off energy • Hydrogen is a ... • things they end with • water changing matter • things they start with • delta H exothermic reaction • delta H endothermic reaction • releases energy CH4+ O2= CO2+ H2O • chemical... hold molecules together • absorbs energy CaCO3+ Heat= CaO+ CO2 • an endothermic reaction involving plants • ...

Monday 7th Grade Review 2021-11-01

Monday 7th Grade Review crossword puzzle
Across
  1. Does not change with size or shape.
  2. We know a chemical reaction happened if the properties ______.
  3. One type of atom/molecule only!
  4. The method to find volume of irregularly shaped objects.
  5. When a substance does not dissolve in another.
  6. Mass divided by volume.
  7. The substances you begin with in a chemical reaction.
Down
  1. The capacity of one substance to dissolve in a liquid.
  2. When two or more substances are combined.
  3. The amount of space an object takes up.
  4. The temperature at which a substance changes from solid to liquid.
  5. When a new substance is created.
  6. 10K,14K, 18K are mixtures, not ____ gold.
  7. The new substances created in a chemical reaction.
  8. The amount of matter in an object.

15 Clues: Mass divided by volume. • One type of atom/molecule only! • When a new substance is created. • The amount of matter in an object. • Does not change with size or shape. • The amount of space an object takes up. • When two or more substances are combined. • 10K,14K, 18K are mixtures, not ____ gold. • When a substance does not dissolve in another. • ...

Matter Key Terms 2020-12-07

Matter Key Terms crossword puzzle
Across
  1. observable
  2. effects of a chemical reaction
  3. a chemical substance has a chemical reaction
  4. heated object
  5. heated water is used
  6. it's cold
  7. mass per volume
Down
  1. fire!!!
  2. energy
  3. hot/cold

10 Clues: energy • fire!!! • hot/cold • it's cold • observable • heated object • mass per volume • heated water is used • effects of a chemical reaction • a chemical substance has a chemical reaction

Endo thermic and Exothermic reactions 2022-11-08

Endo thermic and Exothermic reactions crossword puzzle
Across
  1. energy is ____________ when new bonds form in the products
  2. how can you remember what exothermic means
  3. an example of an endothermic reaction is __________________
  4. how can you remember what endothermic means
  5. in an exothermic reaction, it takes _____ energy to break bonds of the reactants
  6. this type of reaction releases more energy than it takes in
Down
  1. in an endothermic reaction, it takes ______ energy to break bonds
  2. chemical reactions occur when a ___ _______ is formed through a reaction
  3. it takes __________ to break bonds
  4. this type of reaction takes in more energy than it releases
  5. chemical reactions involve breaking ____________
  6. an example of an endothermic reaction is _______

12 Clues: it takes __________ to break bonds • how can you remember what exothermic means • how can you remember what endothermic means • chemical reactions involve breaking ____________ • an example of an endothermic reaction is _______ • energy is ____________ when new bonds form in the products • this type of reaction takes in more energy than it releases • ...

Chemical Reactions And Equations 2022-04-29

Chemical Reactions And Equations crossword puzzle
Across
  1. solid formed in reaction in solution
  2. a new substance produced chemical reaction
  3. gas filled in chips packet
  4. chemical substance increases reaction's rate
  5. Heat evolved in this reaction
Down
  1. it turns milky when reacts with CO2
  2. reaction Zn + HCL----> ZnCl2 + H2
  3. this gas produces a pop sound when burns
  4. this change always produces a new substance
  5. the process of burning a substance in air

10 Clues: gas filled in chips packet • Heat evolved in this reaction • reaction Zn + HCL----> ZnCl2 + H2 • it turns milky when reacts with CO2 • solid formed in reaction in solution • this gas produces a pop sound when burns • the process of burning a substance in air • a new substance produced chemical reaction • this change always produces a new substance • ...

What Are Chemical Properties and Changes? Chapter 11.3 Vocabulary 2025-03-31

What Are Chemical Properties and Changes? Chapter 11.3 Vocabulary crossword puzzle
Across
  1. A symbolic representation of a chemical reaction, showing the reactants and products.
  2. The tendency of a substance to undergo chemical reactions, either by itself or with other materials.
  3. A characteristic of a substance that describes its ability to change into different substances.
  4. The principle stating that matter is not created or destroyed in a chemical reaction.
  5. A substance that is formed as a result of a chemical reaction.
Down
  1. A substance that takes part in and undergoes change during a chemical reaction.
  2. A process in which substances interact to form new substances with different properties.
  3. The ability of a substance to burn or ignite, causing fire or combustion.
  4. The gradual wearing away of a metal due to a chemical reaction, often with oxygen.
  5. Change – A process where one or more substances are transformed into different substances with new properties.

10 Clues: A substance that is formed as a result of a chemical reaction. • The ability of a substance to burn or ignite, causing fire or combustion. • A substance that takes part in and undergoes change during a chemical reaction. • The gradual wearing away of a metal due to a chemical reaction, often with oxygen. • ...

trent chapter 13 2018-03-07

trent chapter 13 crossword puzzle
Across
  1. A measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration.
  2. The process that something loses or gains a electron
  3. A measure of how quickly the concentration of products in a chemical reaction increases or the concentration of reactants decreases.
  4. A substance that accepts hydrogen ions.
  5. the minimum energy it takes for a reaction to keep going
Down
  1. A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right.
  2. Something new formed from a chemical reaction
  3. The reacting substance in a reaction
  4. happens when a reaction gains one or more electron
  5. Description of a chemical reaction in which there is a net release of energy.

10 Clues: The reacting substance in a reaction • A substance that accepts hydrogen ions. • Something new formed from a chemical reaction • happens when a reaction gains one or more electron • The process that something loses or gains a electron • the minimum energy it takes for a reaction to keep going • ...

Unit 1 Vocabulary 2024-01-23

Unit 1 Vocabulary crossword puzzle
Across
  1. An educated guess
  2. =to 1 unit of a measurement
  3. property that describes the relationship between mass and volume
  4. properties observed during and after a chemical reaction
  5. amount of space an object takes up
  6. Noticing something during an experiment
  7. changes that do change chemical makeup
  8. physical properties that DON'T change with amount of matter
  9. something observed without a chemical reaction
Down
  1. Significant zeroes after decimal and following sig figs
  2. changes that don't change chemical makeup
  3. physical properties that DO change with the amount of matter
  4. significant zeroes between to sig figs
  5. amount of matter that a substance contains
  6. Final statement of an experiment

15 Clues: An educated guess • =to 1 unit of a measurement • Final statement of an experiment • amount of space an object takes up • significant zeroes between to sig figs • changes that do change chemical makeup • Noticing something during an experiment • changes that don't change chemical makeup • amount of matter that a substance contains • ...

Law of Conservation of Mass 2017-04-25

Law of Conservation of Mass crossword puzzle
Across
  1. most elements on the right side of the periodic table are ________.
  2. substance that turns blue litmus paper to red
  3. chemical reaction that results in light and/or heat
  4. substance that turns red litmus paper blue
  5. C3H8+5O2+5H2)+3__O2 (missing element)
  6. substance formed as a result of a chemical reaction
  7. C6H6O6=CO2+6CO2+6H20
  8. substance that participates or undergoes change in a chemical reaction
Down
  1. CH4+2__2=CO2+2H2O (missing element)
  2. result of iron's exposure to air and moisture
  3. C+2__2=CH4 (missing element)
  4. law that states a substance is neither created nor destroyed
  5. If all the reactants aren't found in the product, the grams that aren't found have disappeared or _________.
  6. 6CO2+6H2O=C6H12O6+6O2
  7. (missing element)

15 Clues: (missing element) • C6H6O6=CO2+6CO2+6H20 • 6CO2+6H2O=C6H12O6+6O2 • C+2__2=CH4 (missing element) • CH4+2__2=CO2+2H2O (missing element) • C3H8+5O2+5H2)+3__O2 (missing element) • substance that turns red litmus paper blue • result of iron's exposure to air and moisture • substance that turns blue litmus paper to red • chemical reaction that results in light and/or heat • ...

Unit 4 + 6 Chemistry 2023-05-15

Unit 4 + 6 Chemistry crossword puzzle
Across
  1. Total of the atomic masses of all atoms that are present in a given compound
  2. What is on the left side of a chemical reaction
  3. Consists of one or more atoms
  4. The number in a compound formula that tells you how many atoms of each element there are
  5. AB -> A + B, One of five different chemical reactions
  6. one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances
  7. What is on the right side of a chemical reaction
Down
  1. In Greek, stands for "element measuring"
  2. What you do when you are adding coefficients to get the same # of atoms on each side of the reaction
  3. A reaction with the products CO2 and H2O
  4. The number in front of a compound in a reaction that tells you the # of molecules
  5. 6.022 x 10^23 atoms/molecules/particles

12 Clues: Consists of one or more atoms • 6.022 x 10^23 atoms/molecules/particles • In Greek, stands for "element measuring" • A reaction with the products CO2 and H2O • What is on the left side of a chemical reaction • What is on the right side of a chemical reaction • AB -> A + B, One of five different chemical reactions • ...

NaZaria & Asia 2.1 vocab 2021-10-27

NaZaria & Asia 2.1 vocab crossword puzzle
Across
  1. a change in matter
  2. the substances present before a chemical reaction occurs.
  3. material that mass and takes up some amount of space
  4. chemical reaction that gives off heat energy
Down
  1. a chemical reaction
  2. a chemical reaction that absorbs heat energy
  3. the substances that are formed during a chemical reaction
  4. a chemical change that changes substance into a new substance

8 Clues: a change in matter • a chemical reaction • a chemical reaction that absorbs heat energy • chemical reaction that gives off heat energy • material that mass and takes up some amount of space • the substances that are formed during a chemical reaction • the substances present before a chemical reaction occurs. • ...

mallory vandenk - crossword 2021-03-04

mallory vandenk - crossword crossword puzzle
Across
  1. What is a chemical that donated
  2. the Equilibrium shifts to oppose change, until new equilibrium is reached
  3. a reaction that releases energy
  4. a type of reaction in which multiple reactants combine to form a single product
Down
  1. What is it when no atoms are gained or lost during any reaction?
  2. reaction one or more new reactions are formed
  3. a reaction that absorbs energy
  4. a substance that lowers the activation energy of a chemical reaction,which allows for the reaction to proceed at a faster rate
  5. What is a chemical that accepts protons?

9 Clues: a reaction that absorbs energy • What is a chemical that donated • a reaction that releases energy • What is a chemical that accepts protons? • reaction one or more new reactions are formed • What is it when no atoms are gained or lost during any reaction? • the Equilibrium shifts to oppose change, until new equilibrium is reached • ...

Even MORE Chemical Reactions! 2024-06-18

Even MORE Chemical Reactions! crossword puzzle
Across
  1. A law that says that the amount of matter stays the same, even when matter changes form
  2. A chemical process that absorbs heat from its surroundings
  3. A chemical process that releases heat into its surroundings
  4. The symbolic representation of a chemical reaction in the form of symbols and chemical formulas.
  5. A chemical reaction in which one element replaces another in a compound
Down
  1. A chemical reaction in which ions get exchanged between two reactants which form a new compound
  2. The process or effect of simplifying a single chemical entity into two or more separate substances
  3. A process that leads to the chemical transformation of one set of chemical substances to another
  4. When the gas oxygen joins with another substance and produces heat and light
  5. A chemical substance composed of many identical molecules containing atoms from more than one chemical element held together by chemical bonds
  6. Two or more chemical species combine to form a single substance.

11 Clues: A chemical process that absorbs heat from its surroundings • A chemical process that releases heat into its surroundings • Two or more chemical species combine to form a single substance. • A chemical reaction in which one element replaces another in a compound • When the gas oxygen joins with another substance and produces heat and light • ...

Matter & Energy Vocab Review 2025-09-22

Matter & Energy Vocab Review crossword puzzle
Across
  1. matter cannot be created/destroyed, only changed
  2. describe what happens in a chemical reaction; C_____ E______
  3. each element is represented by a _____
  4. solid to liquid; physical change
  5. less mass = ____ inertia
  6. include the chemical symbol and # of each type of atom in a molecule; C____ F_____
  7. system scientists use to organize elements
  8. 2 or more elements chemically combined; can only be separated by breaking chemical bonds
  9. Action-Reaction forces happen _______ (same time)
  10. products and reactants will be _____
  11. greater mass = _____ acceleration
  12. new substance is formed when atoms are rearranged; new substance properties are different from the original
  13. a liquid to solid; physical change
  14. present at the end of chemical reaction; right side of chemical equation
  15. solid forms when 2 solutions mix
  16. gas to liquid; physical change
  17. a substance is broken up into pieces so small they cannot be seen
  18. push/pull
  19. property of matter; causes an object to resist changing its motion
  20. element symbols starts with a ______ letter
  21. present at the beginning of chemical reaction; left side of chemical equation
  22. more mass = ____ inertia
  23. Newton’s ___ Law; when an object is pushed, it pushes back with equal/opposite force
  24. mixtures that are easy to see and separate by hand or density
  25. 1 or more substances change to new substances
Down
  1. Evidence of a chemical reaction: c___ c___
  2. change to size/shape, does NOT create a new substance
  3. force that 2 surfaces exert on each other when they push/rub together
  4. an object ________ when it speeds up/slows down/changes direction
  5. force that changes motion; object will stop/start moving/change direction
  6. forces that resist the motion of objects, causing them to slow down/stop
  7. another form of friction; as an object moves through the air, air pushes back on the object
  8. Chemical Change; temperature increases/decreases when 2 substances combine
  9. 2 substances mix and temperature increases
  10. if a subscript is outside a parenthesis, it will _______ (multiply) to all elements inside parenthesis
  11. anything that has mass and takes up space
  12. force that does NOT change motion; object will stay at rest or or speed remains constant
  13. two substances mix together and fizz/bubble; production of ____
  14. 2 substances mix and temperature decreases
  15. purest type of matter; 1 type of atom; cannot break down
  16. evenly mixed; looks the same throughout; hard to separate; evaporation
  17. liquid to gas; physical change
  18. little number in chemical formulas after each element; tells how many
  19. Big number in chemical equation; multiplies to all of the connected elements
  20. less mass = _____ acceleration
  21. Newton’s _____ Law of Motion: object in motion will stay in motion & object at rest will stay at rest until acted on by an unbalanced force
  22. 2 or more substances; atoms not chemically bonded

47 Clues: push/pull • less mass = ____ inertia • more mass = ____ inertia • liquid to gas; physical change • gas to liquid; physical change • less mass = _____ acceleration • solid to liquid; physical change • solid forms when 2 solutions mix • greater mass = _____ acceleration • a liquid to solid; physical change • products and reactants will be _____ • ...

chapter 2.3 & 2.4 vocab 2022-09-19

chapter 2.3 & 2.4 vocab crossword puzzle
Across
  1. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen it's needed by the body for growth and repair
  2. compound made of carbon, hydrogen, and oxygen atoms; types of nutrients that are the major source of energy to the body
  3. small chemical unit that makes up a polymer
  4. elements or compounds produced by chemical reactions
  5. elements or compounds that enter into a chemical reaction
  6. energy input that is needed for a reaction to begin
  7. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
Down
  1. process that changes, or transforms, one set of chemicals into another set of chemicals
  2. protein catalyst that speeds up the rate of specific biological reactions
  3. reactant of an enzyme-catalyzed reaction
  4. compound with an amino group on one end and carboxyl group on the other end
  5. substance that speeds up the rate of a chemical reaction
  6. molecule composed of many monomer
  7. macromolecule made mostly from carbon and hydroen atoms; includes fats, fats, oils, and waxes

14 Clues: molecule composed of many monomer • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • energy input that is needed for a reaction to begin • elements or compounds produced by chemical reactions • substance that speeds up the rate of a chemical reaction • elements or compounds that enter into a chemical reaction • ...

Nate Brighton - Chapter 13 2016-10-12

Nate Brighton - Chapter 13 crossword puzzle
Across
  1. A substance that donates hydrogen ions
  2. Description of a chemical reaction in which there is a net release of energy
  3. Description of a chemical reaction in which there is a net absorption of energy
  4. A substance that accepts hydrogen ions
  5. Description of a substance that can behave as either an acid or a base
  6. Description of a solution in which the hydronium ion concentration is higher than the hydroxide concentration ion.
Down
  1. ion A polyatomic ion made by adding a proton to a water molecule
  2. A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
  3. Energy The minimum energy required in order for a chemical reaction to proceed
  4. ion A polyatomic ion made by removing a proton from a water molecule
  5. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.

11 Clues: A substance that donates hydrogen ions • A substance that accepts hydrogen ions • ion A polyatomic ion made by adding a proton to a water molecule • ion A polyatomic ion made by removing a proton from a water molecule • Description of a substance that can behave as either an acid or a base • ...

Eureka's Crossword 2025-06-29

Eureka's Crossword crossword puzzle
Across
  1. The bending of light when it passes from one medium to another.
  2. The junction between two neurons where a nerve impulse is transmitted.
  3. The ratio of the height of an image to the height of the object.
  4. Molecules with the same molecular formula but different structural formulas
  5. A reaction where a single compound breaks down into two or more simpler substances.
  6. A chemical messenger secreted by endocrine glands that regulates various bodily functions.
  7. The unit of electric current
  8. The process by which green plants make their own food using sunlight, water, and carbon dioxide.
  9. The functional unit of the kidney, responsible for filtering blood and producing urine.
Down
  1. The reaction between an acid and a base, producing a salt and water.
  2. A biological catalyst that speeds up chemical reactions in living organisms.
  3. A chemical reaction where a substance loses electrons or gains oxygen.
  4. The unit of power of a lens.
  5. The opposition to the flow of electric current.
  6. The gradual destruction of a material, usually a metal, by chemical reaction with its environment.

15 Clues: The unit of power of a lens. • The unit of electric current • The opposition to the flow of electric current. • The bending of light when it passes from one medium to another. • The ratio of the height of an image to the height of the object. • The reaction between an acid and a base, producing a salt and water. • ...

Organic Chemistry 2022-01-26

Organic Chemistry crossword puzzle
Across
  1. Aromatic hydrocarbons
  2. A chemical species that forms bonds with electrophiles by donating an electron pair
  3. A chemical reaction during which one functional group in a chemical compound is replaced by another functional group
  4. A molecular fragment that departs with a pair of electrons in heterolytic bond clevage
  5. A chemical species that forms bonds with nucleophiles by accepting an electron pair
  6. An organic reaction where 2+ molecules combine to form a larger one
  7. A formula which shows the arrangement of atoms in the molecule of a compound
  8. Any organic chemical compound in which the atoms are connected by single, double, or triple bonds to form nonaromatic structures
  9. Another compound whose molecule has the same number of atoms of each element, but with logically distinct bonds between them
Down
  1. Used for single electron movement involved with radical reactions
  2. A substance that enters into and is altered in the course of a chemical reaction
  3. A reaction in which two or more molecules combine to form a larger molecule, with the simultaneous loss of a small molecule such as water or methanol
  4. Chemical bond dissociation of a molecular bond by a process where each of the fragments retain one of the originally bonded electrons
  5. A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangements of atoms
  6. used in mechanisms to show the various electron pairs moving around
  7. The process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species

16 Clues: Aromatic hydrocarbons • Used for single electron movement involved with radical reactions • used in mechanisms to show the various electron pairs moving around • An organic reaction where 2+ molecules combine to form a larger one • A formula which shows the arrangement of atoms in the molecule of a compound • ...

Get to know Science (Lesson 1-3) 2023-11-27

Get to know Science (Lesson 1-3) crossword puzzle
Across
  1. I am a mixture that is easily separated.
  2. Heat is exiting the reaction.
  3. matter can only the reaction.
  4. the measurement of a measure divided by another measure.
  5. the law that states that matter is neither created nor destroyed.
  6. Another name for the substances that are going through chemical changes.
  7. matter can enter and escape.
  8. I am a homogeneous mixture that is made up of a dissolved substance.
  9. I am the largest part of a solution.
Down
  1. Heat is entering the reaction.
  2. I am a mixture that isn’t easily separated.
  3. A change in molecular composition of a substance.
  4. A change in appearance but not into a different substance.
  5. I am the measure of how easily a solute dissolves in a solvent.
  6. I am made up of two or more substances in which my atoms are not chemically combined.
  7. I can be dissolved by a solvent.
  8. the formation of the substances from the chemical reaction.
  9. the breaking down of another substance.
  10. I am the opposite of a synthesis reaction.

19 Clues: Heat is exiting the reaction. • matter can only the reaction. • matter can enter and escape. • Heat is entering the reaction. • I can be dissolved by a solvent. • I am the largest part of a solution. • the breaking down of another substance. • I am a mixture that is easily separated. • I am the opposite of a synthesis reaction. • I am a mixture that isn’t easily separated. • ...

Chapter 13-Kayla Nidek 2020-02-18

Chapter 13-Kayla Nidek crossword puzzle
Across
  1. the amount of energy required to pull two bonded atoms apart
  2. the law of ____ ____________ states that no atoms are gained or lost during and reaction
  3. bond energy is also known as __________ energy
  4. the solution of a chemical reaction
  5. a chemical equation must be ________
Down
  1. there is a net release of energy
  2. go into the chemical reaction
  3. there is a net absorption of energy
  4. during a ________ reaction, one or more new compounds are formed as a result of the arrangement of atoms
  5. the ________ rate is how quickly the concentration of reactants decreases and how quickly the concentration of products increases

10 Clues: go into the chemical reaction • there is a net release of energy • there is a net absorption of energy • the solution of a chemical reaction • a chemical equation must be ________ • bond energy is also known as __________ energy • the amount of energy required to pull two bonded atoms apart • ...

Chemical Reactions Crossword 2021-01-12

Chemical Reactions Crossword crossword puzzle
Across
  1. A substance that changes the rate of a chemical reaction without being used up or changed very much.
  2. A + BC -----> AC + B
  3. smallest component of an element
  4. The substance that forms in a chemical reaction
  5. used up when reaction is run to completion
  6. The area of chemistry involving the calculations of quantities of substances involved in chemical reactions
Down
  1. The chemicals which are put into a chemical reaction and are on the left side of the reaction
  2. A compound decomposes into 2 or more simpler substances
  3. burning wood, rust, campfire are examples of a
  4. group of atoms bonded together,

10 Clues: A + BC -----> AC + B • group of atoms bonded together, • smallest component of an element • used up when reaction is run to completion • burning wood, rust, campfire are examples of a • The substance that forms in a chemical reaction • A compound decomposes into 2 or more simpler substances • ...

Chemical Reactions 2025-09-18

Chemical Reactions crossword puzzle
Across
  1. when two or more substance combine to make a new substance
  2. how to represent a chemical reaction using plus signs and arrows
  3. the materials we start with in a chemical reaction
  4. type of reaction that releases heat
  5. type of reaction that absorbs heat
  6. matter cannot be created or destroyed
Down
  1. the larger numbers in front of chemical formulas used to multiply
  2. how to represent a substance using element symbols and numbers
  3. the materials we end with in a chemical reaction
  4. the smaller numbers in a formula below and to the right of an element symbol

10 Clues: type of reaction that absorbs heat • type of reaction that releases heat • matter cannot be created or destroyed • the materials we end with in a chemical reaction • the materials we start with in a chemical reaction • when two or more substance combine to make a new substance • how to represent a substance using element symbols and numbers • ...

Ch 10: The Basics of Chemistry 2022-04-02

Ch 10: The Basics of Chemistry crossword puzzle
Across
  1. measures the acidity and alkalinity of a substance.
  2. the study of substances that do not contain carbon but may contain hydrogen.
  3. an unstable physical mixture of two or more substances that normally will not stay blended...
  4. the chemical particles from which all matter is composed; therefore , all matter is made entirely of chemicals.
  5. a change in the form, or physical properties of a substance, without a chemical reaction or the creation of a new substance.
  6. an alteration in the chemical composition or makeup of a substance.
  7. chemical combination of a single type of matter.
  8. the simplest form of chemical matter and cannot be broke down into a simpler substance without the loss of identity.
  9. these three forms are called the states of matter.
  10. the study of substances that contain the element carbon.
  11. oil loving
  12. the science that deals with the composition, structures, and properties of matter and how matter changes under different conditions.
Down
  1. unstable mixtures of undissolved particles floating in a liquid.
  2. chemical reactions that can release a significant amount of heat.
  3. those characteristics that can be determined without a chemical reaction and do not involve a chemical change.
  4. evaporate easily
  5. a chemical combination of two or more different types of atoms.
  6. water loving
  7. any substance that occupies space and has mass.
  8. a stable, uniform blend of two or more substances.

20 Clues: oil loving • water loving • evaporate easily • any substance that occupies space and has mass. • chemical combination of a single type of matter. • these three forms are called the states of matter. • a stable, uniform blend of two or more substances. • measures the acidity and alkalinity of a substance. • the study of substances that contain the element carbon. • ...

Chemical Reactions Crossword 2021-01-12

Chemical Reactions Crossword crossword puzzle
Across
  1. burning wood, rust, campfire are examples of a
  2. The chemicals which are put into a chemical reaction and are on the left side of the reaction
  3. The substance that forms in a chemical reaction
  4. used up when reaction is run to completion
  5. group of atoms bonded together,
Down
  1. A + BC -----> AC + B
  2. A substance that changes the rate of a chemical reaction without being used up or changed very much.
  3. The area of chemistry involving the calculations of quantities of substances involved in chemical reactions
  4. A compound decomposes into 2 or more simpler substances
  5. smallest component of an element

10 Clues: A + BC -----> AC + B • group of atoms bonded together, • smallest component of an element • used up when reaction is run to completion • burning wood, rust, campfire are examples of a • The substance that forms in a chemical reaction • A compound decomposes into 2 or more simpler substances • ...

Balancing Chemical Equations 2023-05-12

Balancing Chemical Equations crossword puzzle
Across
  1. A substance that changes the rate of a reaction, even though it is not used very much
  2. Area action where energy is released into the surroundings
  3. Substances formed in a reaction
  4. Reactions often occur at higher _____
  5. Substances that participate in a chemical reaction
  6. uses chemical symbols and numbers to represent a given substance
Down
  1. Expressions that uses symbols to show the relationship between the starting substances and the substances that are produced by chemical reaction
  2. the process in which atoms are rearranged to produce new substances
  3. Energy cannot be created or destroyed
  4. A chemical reaction that requires an input of energy

10 Clues: Substances formed in a reaction • Energy cannot be created or destroyed • Reactions often occur at higher _____ • Substances that participate in a chemical reaction • A chemical reaction that requires an input of energy • Area action where energy is released into the surroundings • uses chemical symbols and numbers to represent a given substance • ...

Chemistry Y4 terms Crossword 2021-05-02

Chemistry Y4 terms Crossword crossword puzzle
Across
  1. the energy required to separate an isolated molecule (i.e., in gas phase) after the dissociation of a bond into two fragments (atoms or radicals) at infinite distance
  2. the reactant that is completely used up in a reaction, and thus determines when the reaction stops.
  3. a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously
  4. a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products.
  5. the reaction that takes in heat energy from the surrounding
  6. the reaction that releases heat energy to the surrounding
Down
  1. The state when the concentrations of reactants and products no longer change.
  2. reaction in which some compounds break down when heated forming two or more products from one reactant.
  3. principle of chemistry used to predict the effect of a change in conditions on chemical equilibria.
  4. the minimum amount of energy that must be provided to compounds to result in a chemical reaction.
  5. diagrams that show wether a reaction is endothermic or exothermic
  6. any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients
  7. alcohol that combusts in excess oxygen

13 Clues: alcohol that combusts in excess oxygen • the reaction that releases heat energy to the surrounding • the reaction that takes in heat energy from the surrounding • diagrams that show wether a reaction is endothermic or exothermic • The state when the concentrations of reactants and products no longer change. • ...

Type of Reaction 2019-02-26

Type of Reaction crossword puzzle
Across
  1. The atoms in a compound are chemically joined together by strong forces
  2. Shows the names of each substance involved in a reaction
  3. The gain of oxygen, or loss of electrons, by a substance during a chemical reaction
  4. They take in energy from their surroundings
  5. Equation that includes the symbols and formulae of the substances involved
  6. A substance that reacts with an acid to neutralise it and produce a salt
Down
  1. Total mass of the reactants is the same as the total mass of the products
  2. Reaction that releases energy to the surroundings
  3. Material that is used to produce heat, like coal, oil or gas
  4. Substances that are formed in the reaction
  5. Calcium hydroxide solution
  6. A substance that changes the rate of a chemical reaction without being changed by the reaction itself
  7. Substances that react together
  8. To be made neutral by removing any acidic or alkaline nature
  9. Another name for burning

15 Clues: Another name for burning • Calcium hydroxide solution • Substances that react together • Substances that are formed in the reaction • They take in energy from their surroundings • Reaction that releases energy to the surroundings • Shows the names of each substance involved in a reaction • Material that is used to produce heat, like coal, oil or gas • ...

Chemical Reactions Crossword 2021-01-12

Chemical Reactions Crossword crossword puzzle
Across
  1. The area of chemistry involving the calculations of quantities of substances involved in chemical reactions
  2. A + BC -----> AC + B
  3. A substance that changes the rate of a chemical reaction without being used up or changed very much.
Down
  1. used up when reaction is run to completion
  2. The chemicals which are put into a chemical reaction and are on the left side of the reaction
  3. burning wood, rust, campfire are examples of a
  4. Pure substance found on the periodic table
  5. smallest component of an element
  6. The substance that forms in a chemical reaction
  7. group of atoms bonded together,

10 Clues: A + BC -----> AC + B • group of atoms bonded together, • smallest component of an element • used up when reaction is run to completion • Pure substance found on the periodic table • burning wood, rust, campfire are examples of a • The substance that forms in a chemical reaction • ...

MR. Burkholder's Science Breanna Huffman Crossword 2017-10-11

MR. Burkholder's Science Breanna Huffman Crossword crossword puzzle
Across
  1. Description of a chemical reaction in which there is a net release of energy
  2. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
  3. Description of a chemical reaction in which there is a new absorption of energy
  4. A substance that donates hydrogen ions
  5. The reacting substances in a chemical reaction
Down
  1. The minimum energy required in order for a chemical reaction to proceed
  2. The process by which a reactant loses one or more electrons
  3. A substance that accepts hydrogen ions
  4. The new materials formed by a chemical reaction
  5. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration

10 Clues: A substance that accepts hydrogen ions • A substance that donates hydrogen ions • The reacting substances in a chemical reaction • The new materials formed by a chemical reaction • The process by which a reactant loses one or more electrons • The minimum energy required in order for a chemical reaction to proceed • ...

Science Revision - Dathan and Nathna (Dana and Nathan) 2013-09-19

Science Revision - Dathan and Nathna (Dana and Nathan) crossword puzzle
Across
  1. what structure transports water to the leaf
  2. a chemical that changes colour to show if a substance is acidic, neutral or basic.
  3. What is the sugar with the chemical formula of C6H12O6
  4. Single celled organisms that live in water and store carbon sink
  5. a base that is dissolved in water
  6. The pigment that makes leaves green
  7. a substance that releases OH-
  8. a chemical reaction in which glucose is broken down releasing energy for use by plants and animals
  9. ______________ acid is found in the stomach
  10. what is used to neutralise HCl in the stomach
  11. chemical formula for carbon dioxide
Down
  1. a common indicator that turns red in an acid and blue in a base
  2. A reaction af an acid with a base, forming a salt & water
  3. what provides an entry for carbon dioxide into a leaf
  4. what colour does a neutral substance turn when univeral indicator is added
  5. a scale used to measure the concentration of H+ ions in a solution
  6. what is the chemical formula for sulfuric acid
  7. the chemical formula for carbonic acid
  8. ____ + base = salt + water

19 Clues: ____ + base = salt + water • a substance that releases OH- • a base that is dissolved in water • The pigment that makes leaves green • chemical formula for carbon dioxide • the chemical formula for carbonic acid • what structure transports water to the leaf • ______________ acid is found in the stomach • what is used to neutralise HCl in the stomach • ...

Chemical Equations 2023-04-17

Chemical Equations crossword puzzle
Across
  1. Formula Symbols that show the elements in a compound and the ratio of atoms
  2. Sign The product of a chemical reaction/the arrow in a chemical reaction.
  3. a subsatance that causes or speeds up a chemical reaction
  4. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  5. a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound
  6. Ending materials in a chemical reaction.
Down
  1. System A system in which no matter is allowed to enter or leave
  2. of Conservation of Matter Matter Cannot be Created or Destroyed . So, chemical reactions/equations must be balanced
  3. elements or compounds that enter into a chemical reaction
  4. Reaction process that changes one set of chemicals into another set of chemicals

10 Clues: Ending materials in a chemical reaction. • elements or compounds that enter into a chemical reaction • a subsatance that causes or speeds up a chemical reaction • System A system in which no matter is allowed to enter or leave • Sign The product of a chemical reaction/the arrow in a chemical reaction. • ...

kaylees quarterly review 2022-03-21

kaylees quarterly review crossword puzzle
Across
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. able to be dissolved
  3. bases are substances that react with acids
  4. a process involving substances in different phases
  5. abundance of a constituent divided by the total volume of a mixture.
  6. to make thinner or more liquid by adding something
Down
  1. a substance that is formed as the result of a chemical reaction
  2. metals mixed together
  3. a substance made by mixing other substances together
  4. able to dissolve other substances
  5. mass the mass of an atom of a chemical element expressed in atomic mass units
  6. a mixture where the composition is the same throughout
  7. the ability to be dissolved
  8. a substance that takes part in and undergoes change during a reaction
  9. a molecule or other entity that can donate a proton or accept an electron pair in reactions

15 Clues: able to be dissolved • metals mixed together • the ability to be dissolved • able to dissolve other substances • bases are substances that react with acids • a process involving substances in different phases • to make thinner or more liquid by adding something • a substance made by mixing other substances together • a mixture where the composition is the same throughout • ...

Sciency stuuuffs 2017-09-26

Sciency stuuuffs crossword puzzle
Across
  1. structure in the intestine, which enables the absorption of nutrients into the blood.
  2. plant cell organelle, where photosynthesis occurs
  3. Reaction type of reaction that requires energy to start the reaction. The energy is absorbed from its surroundings
  4. enzyme which breaks down carbohydrate, and long sugar molecules into glucose
  5. Organelle found inside a cell. It is the site of cellular respiration
  6. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  7. substances that will interact with each other during a chemical reaction
Down
  1. sugar molecule
  2. Process by which plants make their own sugar, by reacting carbon dioxide with water, in the presence of sunlight to produce sugar and oxygen
  3. a body part that connects to your throat :)
  4. type of long chain sugar molecule that is found in plants.
  5. substances that are formed, from a chemical reaction.
  6. the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
  7. Respiration process by which oxygen reacts with glucose to form carbon dioxide, water and energy in the form of ATP

14 Clues: sugar molecule • a body part that connects to your throat :) • plant cell organelle, where photosynthesis occurs • substances that are formed, from a chemical reaction. • type of long chain sugar molecule that is found in plants. • Organelle found inside a cell. It is the site of cellular respiration • ...

Evidence of a Chemical Change 2024-11-07

Evidence of a Chemical Change crossword puzzle
Across
  1. When a new substance is formed, it is a ______ reaction.
  2. The substances on the left side of a chemical equation is called the ______.
  3. _________ is the emission of light by an organism.
  4. When energy is released, it is a ______ reaction.
  5. When you mix vinegar and baking soda, you can observe a release of ______.
Down
  1. Fireworks are an example of this change.
  2. The substances on the right side of a chemical equation is called the ______.
  3. When a new solid is formed during a chemical reaction.
  4. When energy is absorbed, it is a ______ reaction.
  5. Carving wood is an example of a ______ change.
  6. Exothermic and endothermic reactions are results of changes in ______ energy.

11 Clues: Fireworks are an example of this change. • Carving wood is an example of a ______ change. • When energy is absorbed, it is a ______ reaction. • When energy is released, it is a ______ reaction. • _________ is the emission of light by an organism. • When a new solid is formed during a chemical reaction. • When a new substance is formed, it is a ______ reaction. • ...

Chemical Reaction and pH Crossword 2025-05-16

Chemical Reaction and pH Crossword crossword puzzle
Across
  1. Substance with a pH greater than 7
  2. A reaction that absorbs heat from its surroundings
  3. A type of chemical reaction where substances combine to form a more complex product
  4. A number that measures how acidic or basic a substance is
  5. A substance that increases the rate of a chemical reaction without being consumed
Down
  1. A reaction that releases heat
  2. The substances present before a chemical reaction
  3. The products of an acid and a base reaction: a salt and this
  4. A reaction where a compound breaks down into simpler substances
  5. Substance with a pH less than 7

10 Clues: A reaction that releases heat • Substance with a pH less than 7 • Substance with a pH greater than 7 • The substances present before a chemical reaction • A reaction that absorbs heat from its surroundings • A number that measures how acidic or basic a substance is • The products of an acid and a base reaction: a salt and this • ...

Electrochemistry XCH4C 2015-06-03

Electrochemistry XCH4C crossword puzzle
Across
  1. The metal whose corrosion is called rusting
  2. Chemical reaction that includes a reduction and an oxidation
  3. Liquid or paste in a cell that allows charges to flow
  4. Type of battery that probably should be banned (2,2)
  5. Positive electrode where reduction occurs
  6. An activity ______ has metals in order of reactivity
Down
  1. Reaction in which a chemical loses electrons
  2. Negative electrode where oxidation occurs
  3. Strip of metal in a cell
  4. When oxides or hydrated oxides form on a metal
  5. Reaction in which a chemical gains electrons
  6. Type of battery used in cars (4,4)
  7. A group of two or more electrical cells

13 Clues: Strip of metal in a cell • Type of battery used in cars (4,4) • A group of two or more electrical cells • Negative electrode where oxidation occurs • Positive electrode where reduction occurs • The metal whose corrosion is called rusting • Reaction in which a chemical loses electrons • Reaction in which a chemical gains electrons • ...

Unit 3 Jeopardy Study Guide 2023-10-25

Unit 3 Jeopardy Study Guide crossword puzzle
Across
  1. uses chemical formulas to model what happens in a chemical reaction
  2. Thermal energy is transferred throughout liquids and gases
  3. chemical equation is __________________ when it has the same number of each type of atom on both sides of the equation
  4. All matter is made up of tiny particles that are in _________________
  5. the ways a substance can undergo changes that form different substances
Down
  1. The ____________________ of a substance are ones that can be observed or measured without changing the substance’s identity.
  2. states that matter cannot be created or destroyed
  3. A ________________ is the process in which the building blocks of matter—atoms—are rearranged to produce different substances.
  4. thermal energy is transferred as particles bump into one another
  5. a number placed in front of a chemical formula to show how many molecules of the substance are
  6. The original substance or substances in a chemical reaction
  7. a number below and to the right of the symbol, shows how many atoms of that element there are.
  8. substance or substances that form in a chemical reaction
  9. A combination of chemical symbols and numbers that represents a single unit of a substance
  10. the transfer of energy through electromagnetic waves

15 Clues: states that matter cannot be created or destroyed • the transfer of energy through electromagnetic waves • substance or substances that form in a chemical reaction • Thermal energy is transferred throughout liquids and gases • The original substance or substances in a chemical reaction • thermal energy is transferred as particles bump into one another • ...

BIOLOGY CHAPTER 2 WORDS PART 2 2024-09-23

BIOLOGY CHAPTER 2 WORDS PART 2 crossword puzzle
Across
  1. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  2. The substances formed during a chemical reaction, usually indicated on the right-hand side of the chemical equation.
  3. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  4. A class of organic compounds that serve as the building blocks of proteins.
  5. A class of simple organic compounds important in living things as a source of both energy and structure.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. The attraction of particles in one substance for particles in a different substance.
Down
  1. A covalently bonded compound containing the element carbon.
  2. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose.
  3. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  4. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  5. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  6. A naturally occurring catalyst, usually a protein.
  7. The attraction between like particles within polar substances.
  8. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.

15 Clues: A naturally occurring catalyst, usually a protein. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • A class of organic compounds that serve as the building blocks of proteins. • The attraction of particles in one substance for particles in a different substance. • ...

Chris Cabrera 2022-03-08

Chris Cabrera crossword puzzle
Across
  1. 6.02*10^23
  2. a chemical reaction in which one element is replaced by another in a compound
  3. the mass of one mole of a substance
  4. the sum of the atomic masses of all atoms in an ionic compound's formula unit.
Down
  1. a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds
  2. refers to the relationship between the quantities of reactants and products before, during, and following chemical reactions
  3. the ratio between the amounts in moles of any two compounds involved in a chemical reaction
  4. the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed
  5. production of chemical compounds by reaction with simpler materials
  6. a substance that takes part in and undergoes change during a reaction

10 Clues: 6.02*10^23 • the mass of one mole of a substance • production of chemical compounds by reaction with simpler materials • a substance that takes part in and undergoes change during a reaction • a chemical reaction in which one element is replaced by another in a compound • the sum of the atomic masses of all atoms in an ionic compound's formula unit. • ...

Chris Cabrera 2022-03-08

Chris Cabrera crossword puzzle
Across
  1. 6.02*10^23
  2. a chemical reaction in which one element is replaced by another in a compound
  3. the mass of one mole of a substance
  4. the sum of the atomic masses of all atoms in an ionic compound's formula unit.
Down
  1. a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds
  2. refers to the relationship between the quantities of reactants and products before, during, and following chemical reactions
  3. the ratio between the amounts in moles of any two compounds involved in a chemical reaction
  4. the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed
  5. production of chemical compounds by reaction with simpler materials
  6. a substance that takes part in and undergoes change during a reaction

10 Clues: 6.02*10^23 • the mass of one mole of a substance • production of chemical compounds by reaction with simpler materials • a substance that takes part in and undergoes change during a reaction • a chemical reaction in which one element is replaced by another in a compound • the sum of the atomic masses of all atoms in an ionic compound's formula unit. • ...

Christian's crossword 2016-06-15

Christian's crossword crossword puzzle
Across
  1. ab=a+b
  2. replacement/ab+cd=ad+bc
  3. atomic mass equals the ____
  4. KFC
  5. a+b=ab
  6. multi step KFC
  7. reactions left over
  8. these cause a chemical reaction
  9. 7 and above on the pH scale
  10. 7 and below on the pH scale
  11. Theoretical yield\actual yield=____
Down
  1. figured by calculations
  2. fuel+02=H2O+CO2
  3. the _____ of a chemical reaction
  4. limits the amount of results that can be formed
  5. done by the experiment
  6. replacement/ab+c=ac+b
  7. coefficients also show this

18 Clues: KFC • ab=a+b • a+b=ab • multi step KFC • fuel+02=H2O+CO2 • reactions left over • replacement/ab+c=ac+b • done by the experiment • figured by calculations • replacement/ab+cd=ad+bc • atomic mass equals the ____ • coefficients also show this • 7 and above on the pH scale • 7 and below on the pH scale • these cause a chemical reaction • the _____ of a chemical reaction • ...

Chemistry Crossword 2024-01-27

Chemistry Crossword crossword puzzle
Across
  1. substance that gets dissolved in a solvent
  2. particle with a positive electric charge
  3. chemical reaction that occurs between an acid and a base
  4. a row (left to right) of the periodic table
  5. naturally occurring members of group 18 of the periodic table
  6. measure of how close a measured value is to its true value
  7. reaction in which one element is substituted for another element in a compound
  8. metal in Group I of the periodic table
  9. atom's outermost electrons
  10. attraction that occurs between ions with opposite charges
  11. any of the interactions that account for the association of atoms
  12. substance made up of two or more different chemical elements combined in a fixed ratio
  13. particle with negative charge
  14. liquid that dissolves a solute in solution
  15. measurements are reported with more significant figures
  16. chemical reaction that always uses hydrocarbons
  17. Avogadro's number (6.02 x 1023) of anything
  18. creation of one or more compounds through the combination of elements
Down
  1. molecule made up of more than two atoms
  2. tendency of an atom or radical to attract electrons in the formation of an ionic bond
  3. particle with positive charge
  4. breakdown of compound(s) into multiple elements and/or compounds
  5. arrangement of parts or elements
  6. molecule made up of two atoms
  7. two chemical substances react by exchanging ions to produce two new molecules
  8. a group of elements sharing similar properties
  9. substance that cannot be decomposed into simpler substances by ordinary chemical processes
  10. the study of heat flow
  11. involves the sharing of electrons
  12. using electricity to break the bonds in a compound to break it apart
  13. not resembling shiny, malleable, conductive elements
  14. amount of matter in a substance
  15. something made as a result of a chemical reaction
  16. particle with a negative electric charge

34 Clues: the study of heat flow • atom's outermost electrons • particle with positive charge • molecule made up of two atoms • particle with negative charge • amount of matter in a substance • arrangement of parts or elements • involves the sharing of electrons • metal in Group I of the periodic table • molecule made up of more than two atoms • particle with a positive electric charge • ...

Chemistry Project Crossword 2025-04-14

Chemistry Project Crossword crossword puzzle
Across
  1. a statement you can test by doing an experiment and taking measurements
  2. A charged atom or group of atoms formed by the gain or loss of one or more electrons
  3. They can be easily drawn out into wires
  4. a starting chemical for a reaction
  5. Process where liquid changes into gas
  6. a particle with a charge of 1+ and a mass of 1 unit
  7. Made of atoms of different elements or compounds that are not bonded together
  8. a substance containing only one atom
  9. A process in which a soluble substance forms a solution
  10. an insoluble chemical produced during a chemical reaction
  11. Something that contains different elements or compounds that are not bonded together
  12. A particle with no charge and a mass of one unit found in the nucleus of an atom
  13. atoms of the same element, that have different numbers of neutrons
  14. the amount of solute that will dissolve in 100 grams of a solvent
  15. process where liquid changes into solid
Down
  1. the process of breaking down a compound by passing a current through it
  2. Indicates whether something is an acid or an alkali
  3. a particle with no charge and a mass of one unit found in the nucleus of an atom
  4. gives out heat energy
  5. a mixture where atleast one other substance is added to a metal
  6. The physical change in which a gas turns into liquid on cooling
  7. process where solid turns to liquid
  8. takes in heat energy from the surrounding
  9. a compound formed between oxygen and other element
  10. A mixture obtained when a solute is dissolved in a solvent
  11. A unit of two or more atoms held together by covalent bonds
  12. Breaks up easily when struck
  13. The smallest particles, that we cannot break down further in chemical reaction
  14. Shells that are arranged around the nucleus
  15. Can be bent or hammered into shape
  16. A chemical made in a chemical reaction

31 Clues: gives out heat energy • Breaks up easily when struck • a starting chemical for a reaction • Can be bent or hammered into shape • process where solid turns to liquid • a substance containing only one atom • Process where liquid changes into gas • A chemical made in a chemical reaction • They can be easily drawn out into wires • process where liquid changes into solid • ...

Chemistry Crossword 2024-02-21

Chemistry Crossword crossword puzzle
Across
  1. make up a chemical equation
  2. anything with mass that takes up space
  3. there are the same number of atoms on each side of a chemical equation
  4. represents a chemical reaction.
  5. What is there after a chemical reaction
  6. there needs to be the same amount of _____ on each side of a chemical equation for it to be balanced
Down
  1. matter cannot be created or destroyed
  2. What is there before a chemical reaction
  3. are represented by one or two letters.
  4. there are not the same number of atoms on each side of a chemical equation

10 Clues: make up a chemical equation • represents a chemical reaction. • matter cannot be created or destroyed • anything with mass that takes up space • are represented by one or two letters. • What is there after a chemical reaction • What is there before a chemical reaction • there are the same number of atoms on each side of a chemical equation • ...

Kendall Wyse-Chapter 13 2021-02-25

Kendall Wyse-Chapter 13 crossword puzzle
Across
  1. The amount of energy requiered to pull two bonded atom apart.
  2. The part of the chemical reaction formula that leaves the chemical formula.
  3. Another name for bond energy.
  4. Reaction characterized by more plus signs on the product side of the formula
  5. Law of Mass ___________ states that no atoms are lost or gained during a reaction.
Down
  1. A reaction in which there is a net release of of energy.
  2. Reaction when there are more plus signs in the reaction of the formula.
  3. A reaction that there is a net absorbtion of energy.
  4. The part of the chemical formula that goes into the equation.
  5. A reaction characterized by the production of oxides.

10 Clues: Another name for bond energy. • A reaction that there is a net absorbtion of energy. • A reaction characterized by the production of oxides. • A reaction in which there is a net release of of energy. • The amount of energy requiered to pull two bonded atom apart. • The part of the chemical formula that goes into the equation. • ...

Types of Reactions and Balancing 2018-02-16

Types of Reactions and Balancing crossword puzzle
Across
  1. Represented by an addition sign
  2. Reaction or process that absorbs heat
  3. Two substances are joined together to become one
  4. Matter cannot be created or destroyed
  5. Reaction or process that releases heat
  6. The change of one or more substances into something new
  7. Big number out front that tells you how many
  8. Small number behind a letter, tells how many atoms are bonded together
Down
  1. represented by an arrow
  2. Burning (producing carbon dioxide and water
  3. One substance is broken down into two or more
  4. One element swaps places with another
  5. Two compounds switch elements
  6. The ingredients in a chemical reaction
  7. The final substance formed in a chemical reaction

15 Clues: represented by an arrow • Two compounds switch elements • Represented by an addition sign • Reaction or process that absorbs heat • One element swaps places with another • Matter cannot be created or destroyed • The ingredients in a chemical reaction • Reaction or process that releases heat • Burning (producing carbon dioxide and water • ...

Chemistry Crossword 2024-02-21

Chemistry Crossword crossword puzzle
Across
  1. there are not the same number of atoms on each side of a chemical equation
  2. matter cannot be created or destroyed
  3. What is there before a chemical reaction
  4. there needs to be the same amount of _____ on each side of a chemical equation for it to be balanced
Down
  1. represents a chemical reaction.
  2. there are the same number of atoms on each side of a chemical equation
  3. make up a chemical equation
  4. are represented by one or two letters.
  5. What is there after a chemical reaction
  6. anything with mass that takes up space

10 Clues: make up a chemical equation • represents a chemical reaction. • matter cannot be created or destroyed • are represented by one or two letters. • anything with mass that takes up space • What is there after a chemical reaction • What is there before a chemical reaction • there are the same number of atoms on each side of a chemical equation • ...

Photosynthesis & Respiration 2023-02-15

Photosynthesis & Respiration crossword puzzle
Across
  1. powers photosynthesis
  2. product of respiration
  3. liquid needed for photosynthesis
  4. the starting molecules in a chemical reaction
  5. an organism which can make it's own food
Down
  1. sugar produced in photosynthesis
  2. energy formed during respiration
  3. the process of releasing energy from food
  4. location of cellular respiration
  5. organelle that performs photosynthesis
  6. the results in a chemical reaction
  7. gas that is needed in respiration
  8. green pigment in plant cells

13 Clues: powers photosynthesis • product of respiration • green pigment in plant cells • sugar produced in photosynthesis • energy formed during respiration • location of cellular respiration • liquid needed for photosynthesis • gas that is needed in respiration • the results in a chemical reaction • organelle that performs photosynthesis • an organism which can make it's own food • ...

iGCSE Chemistry Crossword 2023-04-20

iGCSE Chemistry Crossword crossword puzzle
Across
  1. A mixture of two or more elements where at least one element is a metal
  2. Covalent compounds which are giant covalent, eg diamond
  3. A reaction that absorbs energy
  4. A saturated hydrocarbon with only single bonds
  5. How easily a substance combines chemically with another substance
  6. Regular arrangement of particles
  7. A chemical reaction that breaks down compounds into simpler products
  8. A liquid capable of dissolving other substances
  9. Technique to separate two liquids with differing boiling points
  10. A solid that forms from a solution during a chemical reaction
Down
  1. Joining many monomers to make a long repeating chain molecule
  2. The amount of solute dissolved in a certain volume of solvent
  3. The movement of water from a high water potential to low through a semipermeable membrane
  4. An unsaturated hydrocarbon with one double bond and many single bonds
  5. The chemical action of yeast on sugars to produce alcohol
  6. The waste impurities that react with CaO in the blast furnace
  7. Physical change from a solid to a gas
  8. Any compound forming H+ ions in solution
  9. A reaction that releases energy
  10. A pattern that repeats at regular intervals
  11. Atoms of the same element with the name number of protons but a different number of neutrons
  12. A substance that can act as both an acid and a base

22 Clues: A reaction that absorbs energy • A reaction that releases energy • Regular arrangement of particles • Physical change from a solid to a gas • Any compound forming H+ ions in solution • A pattern that repeats at regular intervals • A saturated hydrocarbon with only single bonds • A liquid capable of dissolving other substances • ...

Chemistry Quiz 1 2024-04-01

Chemistry Quiz 1 crossword puzzle
Across
  1. caused an increase in the amount of oxygen in
  2. lowers the amount of activation energy needed to create a chemical reaction
  3. vertical on periodical table
  4. poisonous gas made from partially burn carbon is called carbon ……
  5. removing oxygen
  6. an element with a low boiling point is a …….. at average temperatures
  7. makes up around 70% of atmosphere
  8. elements with the same number of protons and electrons but different numbers of neutrons
  9. coloured green on universal indicator
  10. if a substance’s a varied boiling or melting point it is .. …
  11. diamonds, graphite and fulerenes are made of this
Down
  1. group 7 always come in twos because they share an electron
  2. group 1 alkaline metals become more ….. as you go down the periodic table
  3. group on inert gases in group 0
  4. gas….. used to measure small quantities of gase given off in a chemical reaction
  5. how you measure the rate of a chemical reaction at between set points
  6. conditions affecting the rate of a reaction are temperature, surface are and …..
  7. atmosphere over time
  8. an an acid + a base => a …… and water
  9. elements from the same period number have the same number of electron …….
  10. horizontal on periodic table
  11. form when two clear solutions form a solid

22 Clues: removing oxygen • atmosphere over time • vertical on periodical table • horizontal on periodic table • group on inert gases in group 0 • makes up around 70% of atmosphere • an an acid + a base => a …… and water • coloured green on universal indicator • form when two clear solutions form a solid • caused an increase in the amount of oxygen in • ...

Chemistry Crossword 2024-02-21

Chemistry Crossword crossword puzzle
Across
  1. there are not the same number of atoms on each side of a chemical equation
  2. matter cannot be created or destroyed
  3. What is there before a chemical reaction
  4. there needs to be the same amount of _____ on each side of a chemical equation for it to be balanced
Down
  1. represents a chemical reaction.
  2. there are the same number of atoms on each side of a chemical equation
  3. make up a chemical equation
  4. are represented by one or two letters.
  5. What is there after a chemical reaction
  6. anything with mass that takes up space

10 Clues: make up a chemical equation • represents a chemical reaction. • matter cannot be created or destroyed • are represented by one or two letters. • anything with mass that takes up space • What is there after a chemical reaction • What is there before a chemical reaction • there are the same number of atoms on each side of a chemical equation • ...

Chemistry Unit Seven 2021-01-14

Chemistry Unit Seven crossword puzzle
Across
  1. The formation of an insoluble salt when two solutions containing soluble salts are combined
  2. Uses Water as a Solvent
  3. Shows how many of the same compound are there
  4. A chemical reaction that involves the transfer of electrons between two species
  5. 2 Ionic Compounds=2 Ionice Compounds
  6. Hydrocarbon+Oxygen(2)=CO2+H2O
Down
  1. The outcome of a reaction
  2. A chemical reaction thatinvolves the exchange of hydrogen ions
  3. One Compound=Reactants
  4. Reactions will have the same proportions of each element by weight before and after the reaction
  5. One Compound=Product
  6. Matter cannot be created or destroyed
  7. What's being reacted upon
  8. One Element+One Compound=same
  9. Shows how many of an element are there

15 Clues: One Compound=Product • One Compound=Reactants • Uses Water as a Solvent • The outcome of a reaction • What's being reacted upon • One Element+One Compound=same • Hydrocarbon+Oxygen(2)=CO2+H2O • 2 Ionic Compounds=2 Ionice Compounds • Matter cannot be created or destroyed • Shows how many of an element are there • Shows how many of the same compound are there • ...

Science Crossword Puzzle 2025-08-31

Science Crossword Puzzle crossword puzzle
Across
  1. Reaction where a compound breaks into simpler substances
  2. A mirror that converges parallel rays to a point
  3. Protein catalyst that speeds up biochemical reactions
  4. A transparent object that disperses light
  5. Digestive juice secreted by the liver
  6. Representation of a chemical reaction using symbols
  7. Tiny sacs in lungs for gas exchange
  8. A piece of glass that refracts light rays
Down
  1. Reaction involving gain of oxygen or loss of hydrogen
  2. Reaction that absorbs heat from surroundings
  3. Band of colors obtained after dispersion of light
  4. Plant tissue that transports water and minerals
  5. Tube that carries urine from kidney to bladder
  6. Related to vision and light phenomena
  7. A chemical equation with equal atoms on both sides

15 Clues: Tiny sacs in lungs for gas exchange • Related to vision and light phenomena • Digestive juice secreted by the liver • A transparent object that disperses light • A piece of glass that refracts light rays • Reaction that absorbs heat from surroundings • Tube that carries urine from kidney to bladder • Plant tissue that transports water and minerals • ...

Enzymes crossword 2023-04-20

Enzymes crossword crossword puzzle
Across
  1. enzyme which breaks down proteins and peptides.
  2. (2 words - no space)the match of the convex surface and concave surface of the proteins
  3. process modifying the molecular structure of a protein that involves the breaking of many of the weak linkages, or bonds (e.g., hydrogen bonds), within a protein molecule
  4. substance that takes part in and undergoes change during a reaction
  5. enzyme that changes complex sugars (starches) into simple sugars during digestion
  6. digestive enzyme in the stomach, which breaks down proteins into polypeptides
  7. enzyme that catalyzes the hydrolysis of the disaccharide maltose to the simple sugar glucose
  8. refers to the pH , temperature resulting in maximal activity of a particular enzyme
Down
  1. the substance on which an enzyme can act
  2. enzymes degrade cellulose to glucose
  3. substance that is formed as the result of a chemical reaction
  4. (2 words - no space) the part of the enzyme where substrate molecules bind and a chemical reaction takes place
  5. proteins that function as biological catalysts and are involved un all metabolic reaction
  6. enzyme that catalyses the breakdown of fats to fatty acids
  7. factor that results in maximal activity when it’s higher the result will come faster
  8. (2 words - no space) molecules that combine to form proteins, that are building blocks of proteins
  9. substance that increase the rate of a chemical reaction and is not changed by the reaction

17 Clues: enzymes degrade cellulose to glucose • the substance on which an enzyme can act • enzyme which breaks down proteins and peptides. • enzyme that catalyses the breakdown of fats to fatty acids • substance that is formed as the result of a chemical reaction • substance that takes part in and undergoes change during a reaction • ...

Science Crossword Puzzle 2025-08-31

Science Crossword Puzzle crossword puzzle
Across
  1. Tube that carries urine from kidney to bladder
  2. Reaction involving gain of oxygen or loss of hydrogen
  3. A chemical equation with equal atoms on both sides
  4. Band of colors obtained after dispersion of light
  5. Plant tissue that transports water and minerals
  6. Related to vision and light phenomena
  7. Representation of a chemical reaction using symbols
  8. A piece of glass that refracts light rays
Down
  1. Reaction where a compound breaks into simpler substances
  2. Reaction that absorbs heat from surroundings
  3. A transparent object that disperses light
  4. Tiny sacs in lungs for gas exchange
  5. Protein catalyst that speeds up biochemical reactions
  6. A mirror that converges parallel rays to a point
  7. Digestive juice secreted by the liver

15 Clues: Tiny sacs in lungs for gas exchange • Digestive juice secreted by the liver • Related to vision and light phenomena • A transparent object that disperses light • A piece of glass that refracts light rays • Reaction that absorbs heat from surroundings • Tube that carries urine from kidney to bladder • Plant tissue that transports water and minerals • ...

Basic Chemistry- Saddique Crowe 2024-09-13

Basic Chemistry- Saddique Crowe crossword puzzle
Across
  1. chain-like molecules made of many similar unit joined together by dehydration synthesis
  2. refers to fatty acids with only single covalent bonds between carbon atoms
  3. formed when two monosaccharides join by dehydration synthesis
  4. single most abundant protein in the body
  5. breaking of larger chemical molecules into smaller ones
  6. Chemical bond between atoms formed by transfer of one or more electrons from one atom to the other
  7. reaction that requires absorption of energy for it to occur
  8. study of chemical composition and reactions of living matter
  9. reaction where the joining of hydrogen and hydroxyl to form water neutralizes the solution
  10. Substance that takes part in and undergoes change in a reaction
  11. proton donors
  12. flat molecules made of four interlocking hydrocarbons
  13. large, complex molecules containing 100 to over 10000 amino acids
  14. Substances composed of two or more components physically mixed
  15. primary energy transferring molecule in cells
  16. ion of a metal element that assist a reaction in a particular way
  17. breaking down a chemical compound and splitting a bond by adding water
  18. reaction that always involves bond formation
  19. energy needed to begin a chemical reaction
  20. compound contains carbon
  21. genetic material, directs protein synthesis
  22. bond that links amino acids together
  23. composed of carbon, oxygen, hydrogen, nitrogen and phosphorus and are the largest molecules in the body
  24. pentose sugar of DNA
  25. mixture in which one substance with microscopic particles is suspended throughout another substance
Down
  1. species formed from chemical reactions
  2. sites that fit and interact chemically with other molecules of complementary shape and charge
  3. Equilibrium state when both reactant and products are in conc. with no further tendency to change with time
  4. water-soluble proteins that are compact, spherical and have at least tertiary structure
  5. Outermost shell in an atom
  6. composed of two building blocks, fatty acids and glycerol
  7. a solution with pH of 14 is classified as completely
  8. structural protein of hair, nails and water-resistant material of skin
  9. protein structure that is the structure of amino acids forming the polypeptide chain
  10. subatomic particles that form part of the nucleus of an atom and contains no charge
  11. globular proteins that act as biological catalysts
  12. Heterogenous mixtures with large, often visible solutes that tend to settle out
  13. substances that speed up the rate of a reaction
  14. substances that conduct an electrical current in solution
  15. Reactions that allow food fuels to be broken down for energy
  16. building blocks of proteins
  17. substance on which enzymes acts
  18. ionic compound containing cations other than hydrogen and cations other than hydroxyl ion
  19. Anything that occupies space
  20. acid whose principal role is to act as a messenger for DNA in protein synthesis
  21. Energy in form
  22. modifying the structure of a protein by breaking the weak linkages
  23. ions especially those that disengage from a chemical ion that can react quickly with other chemicals
  24. proton acceptors
  25. solution that resists dramatic changes in pH
  26. Synthesis of molecules in living organisms from simpler ones to larger ones

51 Clues: proton donors • Energy in form • proton acceptors • pentose sugar of DNA • compound contains carbon • Outermost shell in an atom • building blocks of proteins • Anything that occupies space • substance on which enzymes acts • bond that links amino acids together • species formed from chemical reactions • single most abundant protein in the body • ...

Chemical Reactions and Equations 2024-07-01

Chemical Reactions and Equations crossword puzzle
Across
  1. When fats and oils stay in open for long, they get oxidized and become rancid (old and stale), and their smell and taste change.
  2. the process by which a metal surface is attacked by a certain substance such as air or water.
  3. the reaction in which both oxidation and reduction occur together.
  4. chemical reaction in which one reactant breaks down into two or more products.
  5. a reaction that occurs when two or more elements or compounds, known as reactants, react with each other and unite to produce a single chemical
  6. a substance that increases the rate of chemical reaction
Down
  1. A chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electron(s)
  2. reaction wherein the atom or a set of atoms is displaced by another atom in a molecule.
  3. the addition of oxygen to the substance or the removal of hydrogen from the substance.
  4. those chemical substances that react together to form a new substance during a chemical reaction.

10 Clues: a substance that increases the rate of chemical reaction • the reaction in which both oxidation and reduction occur together. • chemical reaction in which one reactant breaks down into two or more products. • the addition of oxygen to the substance or the removal of hydrogen from the substance. • ...

Conversion of Mass 2017-02-01

Conversion of Mass crossword puzzle
Across
  1. The force exerted on a body by gravity
  2. The amount of matter in an object
  3. Scale Spring scales measure the magnitude of forces, most common weight (the downward force of gravity on an object).
  4. Change A change in some properties of matter without forming a different kind of matter.
  5. Substance used in a chemical reaction
  6. A change in some properties of matter forming a different kind of matter.
  7. An international unit measure of mass equal to 1,000 grams.
  8. An international unit measure of weight
Down
  1. Any influence which tends to change the motion of an object
  2. The force that attracts a body toward the center of the earth, toward any other physical body having mass
  3. Equal distribution of weight, mass, etc.
  4. A large molecule made of man connected smaller units
  5. Equation A formula that describes a chemical reaction
  6. An international unit to measure mass
  7. Substance made during a chemical reaction

15 Clues: The amount of matter in an object • An international unit to measure mass • Substance used in a chemical reaction • The force exerted on a body by gravity • An international unit measure of weight • Equal distribution of weight, mass, etc. • Substance made during a chemical reaction • A large molecule made of man connected smaller units • ...

kaylees quarterly review 2022-03-21

kaylees quarterly review crossword puzzle
Across
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. able to be dissolved
  3. bases are substances that react with acids
  4. a process involving substances in different phases
  5. abundance of a constituent divided by the total volume of a mixture.
  6. to make thinner or more liquid by adding something
Down
  1. a substance that is formed as the result of a chemical reaction
  2. metals mixed together
  3. a substance made by mixing other substances together
  4. able to dissolve other substances
  5. mass the mass of an atom of a chemical element expressed in atomic mass units
  6. a mixture where the composition is the same throughout
  7. the ability to be dissolved
  8. a substance that takes part in and undergoes change during a reaction
  9. a molecule or other entity that can donate a proton or accept an electron pair in reactions

15 Clues: able to be dissolved • metals mixed together • the ability to be dissolved • able to dissolve other substances • bases are substances that react with acids • a process involving substances in different phases • to make thinner or more liquid by adding something • a substance made by mixing other substances together • a mixture where the composition is the same throughout • ...

kaylees quarterly review 2022-03-21

kaylees quarterly review crossword puzzle
Across
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. able to be dissolved
  3. bases are substances that react with acids
  4. a process involving substances in different phases
  5. abundance of a constituent divided by the total volume of a mixture.
  6. to make thinner or more liquid by adding something
Down
  1. a substance that is formed as the result of a chemical reaction
  2. metals mixed together
  3. a substance made by mixing other substances together
  4. able to dissolve other substances
  5. mass the mass of an atom of a chemical element expressed in atomic mass units
  6. a mixture where the composition is the same throughout
  7. the ability to be dissolved
  8. a substance that takes part in and undergoes change during a reaction
  9. a molecule or other entity that can donate a proton or accept an electron pair in reactions

15 Clues: able to be dissolved • metals mixed together • the ability to be dissolved • able to dissolve other substances • bases are substances that react with acids • a process involving substances in different phases • to make thinner or more liquid by adding something • a substance made by mixing other substances together • a mixture where the composition is the same throughout • ...

UNIT 4&5 2023-01-27

UNIT 4&5 crossword puzzle
Across
  1. contains an equal number of products
  2. true or false a chemical equation represents a chemical reaction
  3. the arrow in a chemical equation means to ?
  4. is when one one compound breaks down into two or more simpler products
  5. speeds up reaction
  6. is also known as a skeleton equation
  7. percent by a mass of each element in a compound
  8. what is the molar volume
Down
  1. the whole number in front of the formulas
  2. tells the actual number of each kind of atom
  3. formula tells the actual number of each kind of atom present in a molecule of a compound
  4. is when two or more substances react to form a new substance
  5. what law states that mass is neither created nor destroyed in a ordinary chemical reaction
  6. formula lowest whole number ratio of the atoms
  7. formula is used to determine the number of atoms

15 Clues: speeds up reaction • what is the molar volume • contains an equal number of products • is also known as a skeleton equation • the whole number in front of the formulas • the arrow in a chemical equation means to ? • tells the actual number of each kind of atom • formula lowest whole number ratio of the atoms • percent by a mass of each element in a compound • ...

Chemistry 2022-12-12

Chemistry crossword puzzle
Across
  1. Making up an idea
  2. The amount of energy that is exerted when a force of one newton
  3. used to measure heat transferred
  4. Making a example
  5. the measurement of energy
  6. the heat of energy which is transmitted through collision
  7. A substance that changes when it is combined with another substance in a chemical reaction
  8. A substance that is made up of many types of particles that takes up space
  9. A substance that is present in the end of a chemical reaction
Down
  1. A chemical reaction mass is not created or destroyed
  2. A dangerous chemical
  3. something that makes an object move or generate
  4. the transfer of heat by the movement of a fluid by the areas of different tempatuers
  5. The branch of science that deals with properties, compositions, and properties
  6. the kenitic energy of the energy and atoms of that atom

15 Clues: Making a example • Making up an idea • A dangerous chemical • the measurement of energy • used to measure heat transferred • something that makes an object move or generate • A chemical reaction mass is not created or destroyed • the kenitic energy of the energy and atoms of that atom • the heat of energy which is transmitted through collision • ...

CH. 2 Crossword 2 2014-11-18

CH. 2 Crossword 2 crossword puzzle
Across
  1. A substance produced during a natural, chemical, or manufacturing process
  2. The minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction
  3. When the Solute is in the Solvent
  4. Sharing of electron pairs
  5. Of Matter, for example
  6. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  7. The smallest form. Cannot be broken down further
  8. Abilitiy of a Solute to be dissolved in a solvent
  9. Rearrangement of molecular or ionic structure
  10. Could also mean what you go to when you go to church on sunday
  11. Energy that costs nothing
Down
  1. Transfer of Electrons between species
  2. Oxygen atom plus Hydrogen Atom held together by a covalent bond
  3. Where the PH Scale is 0
  4. A Reaction that Requires energy to be driven
  5. A Solution in which the solvent is water
  6. Splitting a molecule into smaller molecules
  7. Where Neutrons and Protons are
  8. Brings out a specific reaction
  9. A solution that resists changes in PH
  10. 1, 2, 3, Etc. The number of protons in the nucleus
  11. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

22 Clues: Of Matter, for example • Where the PH Scale is 0 • Sharing of electron pairs • Energy that costs nothing • Where Neutrons and Protons are • Brings out a specific reaction • When the Solute is in the Solvent • Transfer of Electrons between species • A solution that resists changes in PH • A Solution in which the solvent is water • Splitting a molecule into smaller molecules • ...

Chemistry vocab crossword 2022-12-06

Chemistry vocab crossword crossword puzzle
Across
  1. anything that takes up space and has volume
  2. State of matter that has a set shape and set volume
  3. reaction that releases energy and forms bonds
  4. reaction that absorbs energy adn breaks bonds
  5. state of matter that has no specific shape or volume, but has a electrical charge
  6. replacement type of reaction that involves two compounds and they switch element partners
  7. state of matter that has no set shape but a set volume
  8. neutral particle in the atom
Down
  1. when two or more substances combine to form one single substance
  2. has no specific shape or volume
  3. positively charged particle in the atom
  4. negatively charged particle in the atom
  5. when one substance breaks down into two or more substances
  6. a molecules made of more than one element that are bonded together
  7. the starting materials in a chemical reaction
  8. the ending materials in a chemical reaction
  9. replacement when on element replaces another in a compound
  10. a pure substance made of one type of atom
  11. the center of the atom

19 Clues: the center of the atom • neutral particle in the atom • has no specific shape or volume • positively charged particle in the atom • negatively charged particle in the atom • a pure substance made of one type of atom • anything that takes up space and has volume • the ending materials in a chemical reaction • reaction that releases energy and forms bonds • ...

Unit 2 2026-03-26

Unit 2 crossword puzzle
Across
  1. atoms combined to make a larger structure
  2. cells combined, body starts to form
  3. tissues combine to form this
  4. all of the organ systems combine to fully form this
  5. water fearing
  6. control what goes in or out, like the cell membrane
  7. organelles put together to make this, the basic unit of life
  8. what is required to start a reaction, made easier with enzymes
  9. takes no energy, goes from high to low concentration
  10. organs combine to fully form this
  11. the special region on an enzyme where the reaction occures
Down
  1. one of two main parts of a chemical reaction, fits right into the enzyme's reaction site like a key
  2. going from hihg to low concentration with water/liquid
  3. going from high to low concentration with molecules/solids
  4. molecules put together to make a larger structure
  5. when the enzyme's active site is changed
  6. a molecule containing one hydrophilic head and two hydrophobic tails, make up the cell membrane
  7. one of two main parts of a chemical reaction, the results of subtrates being broken up to be used
  8. basic unit of matter
  9. takes energy, goes from low to high concentration
  10. water loving
  11. special proteins that lower the amount of activation energy required for each reaction

22 Clues: water loving • water fearing • basic unit of matter • tissues combine to form this • organs combine to fully form this • cells combined, body starts to form • when the enzyme's active site is changed • atoms combined to make a larger structure • molecules put together to make a larger structure • takes energy, goes from low to high concentration • ...

Chemisty Vocabulary 2021-01-25

Chemisty Vocabulary crossword puzzle
Across
  1. Property A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability)
  2. Property of a substance defining how easily it ignites and burns
  3. the amount of matter in a defined volume. (density = mass/volume)
  4. Property A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point)
  5. The readiness of a substance to produce hydroxide ions
  6. Chemical reaction in which thermal energy is released
  7. measure of the amount of matter in an object
  8. A chemical substance that produces hydrogen ions in solution and tastes sour
  9. A solid substance that forms from a chemical reaction that takes place in a liquid solution
  10. Point Temperature at which a solid substance becomes a liquid
Down
  1. The amount of space an object occupies
  2. The readiness of a substance to produce hydrogen ions
  3. Reaction Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances
  4. Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base
  5. Point Temperature at which a liquid substance becomes a gas
  6. A chemical substance that produces hydroxide ions in solution and tastes bitter
  7. Change A type of change in which the form of matter is altered but one substance is not transformed into another
  8. Chemical reaction in which thermal energy is absorbed
  9. Change Process where one or more substances are altered into new and different substances
  10. Property of a substance relating to how easily it reacts with other substances
  11. Measure of acidity or basicity of a substance

21 Clues: The amount of space an object occupies • measure of the amount of matter in an object • Measure of acidity or basicity of a substance • The readiness of a substance to produce hydrogen ions • Chemical reaction in which thermal energy is absorbed • Chemical reaction in which thermal energy is released • The readiness of a substance to produce hydroxide ions • ...

Chemistry study guide review 2016-02-10

Chemistry study guide review crossword puzzle
Across
  1. what outer covering is typically metal
  2. on pt this is called a group on which table
  3. : this is in the center of an atom
  4. this is a substance that can not be broken down into simpler substances
  5. this is a reaction in which heat is absorbed
  6. this is the smallest particle of a chemical element
  7. Meatal this is not Malleable
  8. this is a good conductor of electricity
  9. this is where an electron is likely to be found
  10. mass this is the average mass of atoms in an element
  11. mendeleveve he created the periodic table
  12. this is the result of joining two or more substances chemicals together
  13. this is formed from a reaction
Down
  1. this is abreveation for a element on the periodic table
  2. electron this is a electron in the outer edge of an atom
  3. on pt this is horizontal rows on which table
  4. atomic particles carry no electric charge
  5. this is part of a chemical reaction
  6. atomic particles that move around the nucleus have negative electric charge
  7. this is a reaction in which heat is realized
  8. this has characteristics of a metal and non metal
  9. gasses this is group on the periodic table
  10. of conservation of mass which law states that mass is neither created nor destroyed during a chemical reaction
  11. this is found in the nucleus of an atom
  12. : this is the smallest part of an element

25 Clues: Meatal this is not Malleable • this is formed from a reaction • : this is in the center of an atom • this is part of a chemical reaction • what outer covering is typically metal • atomic particles carry no electric charge • this is a good conductor of electricity • this is found in the nucleus of an atom • : this is the smallest part of an element • ...

kaylees quarterly review 2022-03-21

kaylees quarterly review crossword puzzle
Across
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. able to be dissolved
  3. bases are substances that react with acids
  4. a process involving substances in different phases
  5. abundance of a constituent divided by the total volume of a mixture.
  6. to make thinner or more liquid by adding something
Down
  1. a substance that is formed as the result of a chemical reaction
  2. metals mixed together
  3. a substance made by mixing other substances together
  4. able to dissolve other substances
  5. mass the mass of an atom of a chemical element expressed in atomic mass units
  6. a mixture where the composition is the same throughout
  7. the ability to be dissolved
  8. a substance that takes part in and undergoes change during a reaction
  9. a molecule or other entity that can donate a proton or accept an electron pair in reactions

15 Clues: able to be dissolved • metals mixed together • the ability to be dissolved • able to dissolve other substances • bases are substances that react with acids • a process involving substances in different phases • to make thinner or more liquid by adding something • a substance made by mixing other substances together • a mixture where the composition is the same throughout • ...

Chapter 2 Crossword- Callie Bright 2018-10-01

Chapter 2 Crossword- Callie Bright crossword puzzle
Across
  1. a class of nonpolar organic that are insoluble in water and are used for energy storage and cell membranes in living things.
  2. a class of organic compounds that serve as the building blocks of protein
  3. a substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation
  4. a class of simple organic compounds important in living things as a source of both energy and structure
  5. the ability to get things done.
  6. a change in the substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  7. the attraction of particles in one substance for particles in a different substance
  8. a naturally occurring catalyst, usually a protein
  9. the substances formed during a chemical reaction, usually indicated indicated on the right-hand side of a chemical equation
  10. pure substance made of only one kind of substance
Down
  1. a pure substance made from two or more electrons that are chemically combninea
  2. a substance that changes the rate of a chemical reaction but its not itself used up or affected by the reaction
  3. a class of of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
  4. a change in substance that does not change the identity of the substance
  5. an organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
  6. a measurement of the average speed of the particles within a substance
  7. the basic building blocks of matter
  8. an attraction between two atoms as a result of sharing or transferring valence electrons
  9. the attraction between like particles within polar substances
  10. the tendency of energy to disperse and become less available to do work

20 Clues: the ability to get things done. • the basic building blocks of matter • a naturally occurring catalyst, usually a protein • pure substance made of only one kind of substance • the attraction between like particles within polar substances • a measurement of the average speed of the particles within a substance • ...

Science 2024-02-22

Science crossword puzzle
Across
  1. a substance that takes part in and undergoes change during a reaction.
  2. a thing or person that is the result of an action or process.
  3. processes that convert energy from one type
  4. energy related to forces on electrically charged particles and the movement of those particles
  5. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance
  6. the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
  7. energy an object possesses because of its position in a gravitational field.
  8. a usually reversible change in the physical properties of a substance
  9. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
  10. an energy form of moving charge carriers (electrons).
Down
  1. a chemical reaction that releases energy by light or heat
  2. cause (a substance) to be deposited in solid form from a solution.
  3. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties
  4. a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons.
  5. energy stored as a result of applying a force to deform an elastic object.
  6. the energy stored in the bonds of chemical
  7. the total energy of an isolated system remains constant; it is said to be conserved
  8. the energy contained within a system that is responsible for its temperature.
  9. the SI unit of work or energy
  10. the stored energy in an object due to its position, properties, and forces acting on it.
  11. the energy that is possessed by an object due to its motion or due to its position.
  12. the emission of energy as electromagnetic waves or as moving subatomic particles

22 Clues: the SI unit of work or energy • the energy stored in the bonds of chemical • processes that convert energy from one type • an energy form of moving charge carriers (electrons). • a chemical reaction that releases energy by light or heat • a thing or person that is the result of an action or process. • ...

Science Topic 2026-02-11

Science Topic crossword puzzle
Across
  1. – a mixture where one substance dissolves in another.
  2. – a process where microorganisms break down sugar to produce alcohol, gas, or acid.
  3. – starting substances in a chemical reaction.
  4. – the force applied on a surface or area.
  5. – a unit used to measure the amount of a substance in chemistry.
  6. – the amount of space something occupies.
  7. – the gradual change of organisms over time.
  8. – a unit for measuring temperature.
  9. – the gradual destruction of materials (like rusting).
  10. – proteins that speed up chemical reactions in living things.
  11. – a substance that speeds up a chemical reaction.
  12. – how hot or cold something is.
  13. – how something looks.
  14. – the release of light, gas, or particles.
  15. – a device used to inject or withdraw fluids.
  16. – a reddish metal used in wires and coins.
  17. Law – scientific rules that explain how gases behave.
  18. – a reaction where two or more substances form one product.
  19. – molecules found in living organisms (like DNA, proteins).
  20. – groups of atoms bonded together.
Down
  1. – numbers placed in front of formulas in equations to balance them.
  2. – becomes larger or greater.
  3. – large molecules made of repeating units (like plastics).
  4. – substances formed after a chemical reaction.
  5. – nutrients that build and repair body tissues.
  6. – a gas needed for breathing and burning.
  7. – the layer of gases surrounding the Earth.
  8. – anything that has mass and occupies space.
  9. – substances used in or produced by chemical reactions.
  10. – a type of matter with uniform properties.
  11. – making sure both sides of a chemical equation have equal atoms.
  12. – the loss of water from a substance or body.
  13. – the smallest unit of an element.
  14. – a safety device in vehicles that inflates during a crash.
  15. – the process of burning with oxygen.
  16. – having no color.
  17. – a state of matter with no fixed shape or volume.
  18. – rearranging or moving parts to make something balanced.
  19. – the rate at which velocity changes.
  20. – substances with a specific composition and properties.

40 Clues: – having no color. • – how something looks. • – becomes larger or greater. • – how hot or cold something is. • – the smallest unit of an element. • – groups of atoms bonded together. • – a unit for measuring temperature. • – the process of burning with oxygen. • – the rate at which velocity changes. • – the force applied on a surface or area. • ...

Biomolecules and Enzymes 2023-09-01

Biomolecules and Enzymes crossword puzzle
Across
  1. a type of biomolecule that stores and transmits genetic information used for protein synthesis
  2. Lipids make up the majority of this cellular structure
  3. a type of biomolecule that perform many functions in the cell including energy storage and insulation
  4. a large molecule synthesized by cells that form the structures of cells and perform the functions of life
  5. the substance that goes into the chemical reaction
  6. a substance that speeds up the rate of reaction
  7. a type of biomolecule that perform many functions throughout organisms including providing structure and facilitating chemical reactions
Down
  1. the unfolding of an enzyme due to extreme temperature of pH changes
  2. the spot on an enzyme that the substrate attaches to
  3. this is a type of nucleic acid
  4. a type of biomolecule that perform many functions in the cell including providing energy and structural support
  5. a protein that catalyzes a reaction without being changed by it
  6. a chemical or set of chemicals that are affected by enzymes
  7. the substance made at the end of a chemical reaction

14 Clues: this is a type of nucleic acid • a substance that speeds up the rate of reaction • the substance that goes into the chemical reaction • the spot on an enzyme that the substrate attaches to • the substance made at the end of a chemical reaction • Lipids make up the majority of this cellular structure • a chemical or set of chemicals that are affected by enzymes • ...

SCH3U Unit 3 Review Crossword 2025-01-15

SCH3U Unit 3 Review Crossword crossword puzzle
Across
  1. The maximum amount of product that can be formed from a given amount of reactants, assuming 100% efficiency.
  2. Can't do stoich with a chemical reaction that isn't...
  3. Unit of mass used
  4. The simplest whole-number ratio of atoms in a compound.
  5. The actual number of atoms of each element in a molecule.
  6. Name for number of atoms or molecules in one mole of a substance.
  7. The study of the quantitative relationships between reactants and products in a chemical reaction.
Down
  1. The reactant that is left over after a chemical reaction is complete.
  2. The reactant that is completely consumed in a chemical reaction, thus limiting the amount of product that can be formed.
  3. The mass of one mole of a substance.
  4. Amount of product you collected in the lab.
  5. The percentage by mass of each element in a compound. (Percent _____)
  6. The new part of Stoichiometry (Mole ____)
  7. A unit used to measure the amount of a substance.

14 Clues: Unit of mass used • The mass of one mole of a substance. • The new part of Stoichiometry (Mole ____) • Amount of product you collected in the lab. • A unit used to measure the amount of a substance. • Can't do stoich with a chemical reaction that isn't... • The simplest whole-number ratio of atoms in a compound. • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. Molecules that can stop or reduce enzyme activity
  2. A reaction that absorbs free energy from the surroundings
  3. Organic cofactors that can be bound permanently or temporarily to the enzyme
  4. Sum of all the chemical reactions occurring in that cell
Down
  1. Substance formed from a chemical reaction
  2. Reaction that has a net release of free energy
  3. Describes the active site as having a set shape
  4. Describes a flexible active site that changes shape, or conforms, to the substrate as they bond together.
  5. A substance that takes part in and undergoes a chemical reaction
  6. The process of making large molecules from smaller ones
  7. The process of breaking down large molecules into smaller ones
  8. energy The energy required to start any reaction

12 Clues: Substance formed from a chemical reaction • Reaction that has a net release of free energy • Describes the active site as having a set shape • energy The energy required to start any reaction • Molecules that can stop or reduce enzyme activity • The process of making large molecules from smaller ones • Sum of all the chemical reactions occurring in that cell • ...

Joe Miller Mr. Burkholder Chapter 13 2017-10-11

Joe Miller Mr. Burkholder Chapter 13 crossword puzzle
Across
  1. a substance that accepts hydrogen ions
  2. description of a chemical reaction in which there a net release of energy
  3. description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  4. description of a chemical reaction in which there is a net absorption of energy
  5. description in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline
Down
  1. any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
  2. description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
  3. a representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right
  4. the process by which a reactant loses one or more electrons
  5. a measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration
  6. the new materials formed in a chemical reaction

11 Clues: a substance that accepts hydrogen ions • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • description of a chemical reaction in which there a net release of energy • description of a chemical reaction in which there is a net absorption of energy • ...

C7 AQA - Revision 2016-11-16

C7 AQA - Revision crossword puzzle
Across
  1. / A sign that a chemical reaction is happening is ________
  2. / A chemical reaction that releases heat energy
  3. / When bonds are broken, energy is...
  4. / Endothermic reactions are used in first aid in _______ packs
Down
  1. / The energy needed to start a reaction is called the __________ energy
  2. / You can tell a reaction is exothermic because the temperature of the surroundings _______
  3. / A chemical reaction that absorbs heat energy
  4. / When bonds are made, energy is...
  5. / Reusable hand warmers use exothermic reactions and are ________ than single use ones
  6. / You can tell a reaction is endothermic because the temperature of the surroundings _______

10 Clues: / When bonds are made, energy is... • / When bonds are broken, energy is... • / A chemical reaction that absorbs heat energy • / A chemical reaction that releases heat energy • / A sign that a chemical reaction is happening is ________ • / Endothermic reactions are used in first aid in _______ packs • ...

Reactions Reloaded! - Sravan Sudheer 2025-05-01

Reactions Reloaded! - Sravan Sudheer crossword puzzle
Across
  1. Reaction in which hydrogen is gained or oxygen is lost
  2. Oxidation of fats and oils causing bad smell and taste
  3. When a metal is attacked by substances around it
  4. Use of heat to break down a compound
  5. Reactions based on the reactivity series
  6. Insoluble solid substance
  7. Substance that takes part in a chemical reaction
  8. Reactions where ions are exchanged between compounds
  9. Reactions that require energy to occur
Down
  1. Compound used in black and white photography
  2. Use of electricity to break down a compound
  3. Two or more reactants combine to form a single product
  4. Use of light to break down a compound
  5. Reactions that release heat energy
  6. Arrangement of metals in decreasing order of reactivity
  7. Opposite of A plus B gives C
  8. Substance formed after a chemical reaction
  9. Reaction in which oxygen is gained or hydrogen is lost

18 Clues: Insoluble solid substance • Opposite of A plus B gives C • Reactions that release heat energy • Use of heat to break down a compound • Use of light to break down a compound • Reactions that require energy to occur • Reactions based on the reactivity series • Substance formed after a chemical reaction • Use of electricity to break down a compound • ...

kaylees quarterly review 2022-03-21

kaylees quarterly review crossword puzzle
Across
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. able to be dissolved
  3. bases are substances that react with acids
  4. a process involving substances in different phases
  5. abundance of a constituent divided by the total volume of a mixture.
  6. to make thinner or more liquid by adding something
Down
  1. a substance that is formed as the result of a chemical reaction
  2. metals mixed together
  3. a substance made by mixing other substances together
  4. able to dissolve other substances
  5. mass the mass of an atom of a chemical element expressed in atomic mass units
  6. a mixture where the composition is the same throughout
  7. the ability to be dissolved
  8. a substance that takes part in and undergoes change during a reaction
  9. a molecule or other entity that can donate a proton or accept an electron pair in reactions

15 Clues: able to be dissolved • metals mixed together • the ability to be dissolved • able to dissolve other substances • bases are substances that react with acids • a process involving substances in different phases • to make thinner or more liquid by adding something • a substance made by mixing other substances together • a mixture where the composition is the same throughout • ...

Science Crossword Puzzle 2018-03-01

Science Crossword Puzzle crossword puzzle
Across
  1. a substance that forms in a chemical reaction
  2. the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do
  3. atoms tend to gain, lose, or share electrons to have 8 electrons in their outer electron shell
  4. force that opposes the motion of an object
  5. a substance that enters into and is altered in the course of a chemical reaction
  6. the chemical bonding that results from the attraction between metal atoms and that surrounding sea of electrons
  7. electrons in the outermost electron shell
  8. a push or pull
Down
  1. heat is absorbed
  2. heat is released
  3. matter cannot be created or destroyed in a chemical reaction atoms tend to
  4. Sharing of electron pairs between atoms
  5. a change in velocity
  6. a change in a position over time
  7. the speed of something in a given direction

15 Clues: a push or pull • heat is absorbed • heat is released • a change in velocity • a change in a position over time • Sharing of electron pairs between atoms • electrons in the outermost electron shell • force that opposes the motion of an object • the speed of something in a given direction • a substance that forms in a chemical reaction • ...

Chemistry Vocabulary Review 2025-05-08

Chemistry Vocabulary Review crossword puzzle
Across
  1. Energy required to remove an electron from an atom
  2. A substance made of only one type of atom
  3. The number of protons in an atom
  4. A gas law stating the volume of a gas is inversely proportional to its pressure
  5. The amount of space an object occupies
  6. A solid that forms and settles out of a liquid mixt
  7. The ability of an atom to attract electrons in a chemical bond
Down
  1. A homogeneous mixture of two or more substances
  2. Law stating that mass is neither created nor destroyed in a chemical reaction
  3. The reactant that is completely used up in a chemical reaction
  4. Type of chemical bond formed by the transfer of electrons
  5. Vertical columns on the periodic table
  6. The weighted average of the masses of an element’s isotopes
  7. The horizontal rows on the periodic table
  8. A process that involves the rearrangement of the molecular or ionic structure of a substance

15 Clues: The number of protons in an atom • Vertical columns on the periodic table • The amount of space an object occupies • The horizontal rows on the periodic table • A substance made of only one type of atom • A homogeneous mixture of two or more substances • Energy required to remove an electron from an atom • A solid that forms and settles out of a liquid mixt • ...

Balancing chemical equation 2023-04-10

Balancing chemical equation crossword puzzle
Across
  1. whole numbers that make chemical equations balanced
  2. a substance resulting from a chemical reaction. Appears to the right of the arrow
  3. a substance that produces ions in aqueous solution. A proton DONOR (H+)
  4. a solid formed from a reaction
  5. Reaction a change of substances into other substances. A chemical change.
  6. acid an acid that completely dissociates (ionizes) to produce H+ ions and the conjugate base
Down
  1. equation a way to represent a chemical reaction showing the number of reactants and products
  2. a process of forming a solid from a reaction
  3. a starting substance in a chemical reaction. It appears to the left of the arrow
  4. a chemical equation There must be the same number of each type of atom on both sides of the arrow
  5. base a metal hydroxide (OH-) compound that completely dissociates into its ion with water
  6. a substance that produces hydroxide (OH-) ions in aqueous solution. A proton (H+) ACCEPTOR

12 Clues: a solid formed from a reaction • a process of forming a solid from a reaction • whole numbers that make chemical equations balanced • a substance that produces ions in aqueous solution. A proton DONOR (H+) • Reaction a change of substances into other substances. A chemical change. • a starting substance in a chemical reaction. It appears to the left of the arrow • ...