chemical reaction Crossword Puzzles

Biology Vocabulary 2019-01-03

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

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

Unit 3 - Stoichiometry 2025-10-23

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

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

11 2023-04-24

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

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

Chemistry Crossword Matthew Champagne 2023-04-25

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

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

Chapter 6 Vocab 2024-03-07

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

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

Reaction Rate in Chemistry 2022-08-18

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

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

Chemistry Midterm Review Part 1 2024-12-16

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

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

Science Crossword Puzzle 2018-02-05

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

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

Chapter 2 2022-10-25

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

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

Claires radical crossword 2013-09-20

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

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

Stoichometry Crossword Puzzle 2024-04-01

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

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

Hon Chem Spring Vocab Part 1 2024-04-19

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

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

Chapter 6 vocab 2024-03-07

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

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

Chemistry 2015-11-19

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

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

Chemistry MA1 2025-04-25

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

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

CHAPTER 8 2025-11-12

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

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

Chemistry 2019-11-08

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

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

Chemistry Crossword 2014-12-18

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

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

Story 4 Metals & Properties 2024-11-21

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

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

Photosynthesis 2025-11-17

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

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

DISCOVER THE LANGUAGE OF CHEMICAL EQUATIONS 2025-05-01

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

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

Chemistry Crossword 2022-02-23

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

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

science extra credit 2023-10-29

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

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

Photosynthesis 2022-01-20

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

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

CHEMISTRY 2026-03-30

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

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

Amyelia H. Crossword 2024-05-15

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

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

Stoichometry Crossword Puzzle 2025-04-22

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

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

Photosynthesis 2023-04-17

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

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

Year 10 Physics and Chemistry 2024-06-28

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

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

Stoichiometry 2026-01-08

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

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

Chemistry Lab Safety 2016-03-03

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

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

Microbiology chapter 7 2026-02-05

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

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

Science Crossword 2013-10-29

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

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

Science Crossword 2013-10-29

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

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

9th 3rdt 2025-05-22

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

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

Chemistry 2013-06-17

Chemistry crossword puzzle
Across
  1. mixture/ the same apperence and property throughout the whole mixture.
  2. row of elements.
  3. combination of two or more substances that are not chemically combined.
  4. pure substance that cannot be seperated into simpler substances by chemical or physical means.
  5. electrons/ electrons in their outter most energy level.
  6. gases/unreactive nonmetals.
  7. repeating pattern.
  8. particles that form during chemical changes.
Down
  1. the substances formed from a chemical reaction.
  2. explanantion for a broad range of hypothosises and observations.
  3. the starting materials in a chemical reaction.
  4. representation of an object or a symbol.
  5. equation/a shorthand description of a chemical reaction using chemical formulas and symbols.
  6. charged particles found in all atoms.
  7. reactive nonmetals.
  8. smallest particle into which an element can be divided and still be the same substance.
  9. pure substance composed of two or more elements that are chemically combined.

17 Clues: row of elements. • repeating pattern. • reactive nonmetals. • gases/unreactive nonmetals. • charged particles found in all atoms. • representation of an object or a symbol. • particles that form during chemical changes. • the starting materials in a chemical reaction. • the substances formed from a chemical reaction. • electrons/ electrons in their outter most energy level. • ...

Chemistry 2013-06-17

Chemistry crossword puzzle
Across
  1. unifying explanantion for a broad range of hypothosises and observations.
  2. charged particles that form during chemical changes.
  3. the substances formed from a chemical reaction.
  4. negativley charged particles found in all atoms.
  5. representation of an object or a symbol.
  6. equation/a shorthand description of a chemical reaction using chemical formulas and symbols.
  7. the smallest particle into which an element can be divided and still be the same substance.
  8. very reactive nonmetals.
  9. a pure substance composed of two or more elements that are chemically combined.
Down
  1. a pure substance that cannot be seperated into simpler substances by chemical or physical means.
  2. electrons/ electrons in their outter most energy level.
  3. combination of two or more substances that are not chemically combined.
  4. mixture/ the same apperence and property throughout the whole mixture.
  5. horizontal row of elements.
  6. gases/unreactive nonmetals.
  7. regualr repeating pattern.
  8. the starting materials in a chemical reaction.

17 Clues: gases/unreactive nonmetals. • horizontal row of elements. • regualr repeating pattern. • very reactive nonmetals. • representation of an object or a symbol. • the starting materials in a chemical reaction. • the substances formed from a chemical reaction. • negativley charged particles found in all atoms. • ...

Science Crossword 2015-08-10

Science Crossword crossword puzzle
Across
  1. puts out energy
  2. a way to write how a reaction works
  3. expresses the acidity or alkalinity of a substance
  4. turns litmus blue
  5. ph of 7
  6. a reaction that neturalises the acids and bases
  7. can only be brought over the age of 18
  8. fire
  9. a fuel devised from living matter
Down
  1. changes colour depending on ph level
  2. takes in energy
  3. ph under 7
  4. changes colour depending on the amount of acids or bases in the substance
  5. used by plants to convert light energy into chemical energy
  6. an equation to show what the reactants produce
  7. coal or gas
  8. a white substance that is found in our sea water
  9. formed by natural processes
  10. same amount of atoms of each side of the equation
  11. ph over 7

20 Clues: fire • ph of 7 • ph over 7 • ph under 7 • coal or gas • puts out energy • takes in energy • turns litmus blue • formed by natural processes • a fuel devised from living matter • a way to write how a reaction works • changes colour depending on ph level • can only be brought over the age of 18 • an equation to show what the reactants produce • a reaction that neturalises the acids and bases • ...

Stoichiomic Shrimp and Grits 2023-05-15

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

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

8th Grade Chemistry 2013-06-12

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

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

Routt A&P Chem 1 2021-10-11

Routt A&P Chem 1 crossword puzzle
Across
  1. atoms combine with other atoms or atoms dissociate from other atoms
  2. the process of radioisotope decay
  3. a weak chemical bond formed by the attraction of polar molecules
  4. chart listing all elements and information about each one
  5. a heavier unstable element that breaks down (decays) to a lighter more stable element
  6. a molecule composed of two or more different elements
  7. a neutral molecule that is slightly positive on one end and slightly negative on the other end
  8. chemicals at the beginning of the chemical reaction
  9. anything that has mass and occupies space.
  10. chemical reaction which breaks atoms/molecules apart to form smaller ones AB > A + B
  11. a subatomic particle with no charge found in the atomic nucleus
  12. Small particles formed when atoms form chemical bonds.
  13. an average atomic mass based on numbers of an element’s isotopes found in nature
  14. a negatively charged subatomic particle found moving around the atomic nucleus at some distance
  15. the number of protons an atom has.
  16. chemicals formed at the end of a chemical reaction
  17. A very small particle made of protons, neutrons, and electrons.
  18. sentence used to show the reactants and products of a chemical reaction
  19. the core of an atom made of protons and neutrons
Down
  1. these hold atoms together to form molecules. there are 3 kinds
  2. In nature there are 92 kinds of atoms. Each kind is called an _____.
  3. a strong chemical bond formed by the attraction of oppositely charged ions.
  4. Symbols used to show the atomic make up of a molecule
  5. an atom with an unusual number of neutrons
  6. both a synthesis and decomposition reaction AB + C > AC + B and AB + CD > AC + BD
  7. the total number of protons plus neutrons in an atom
  8. a positively charged subatomic particle found in the atomic nucleus
  9. chemical reaction which links atoms/molecules together to form bigger ones A + B > AB
  10. One or 2 letters that represent an element.
  11. a strong chemical bond formed when atoms share pairs of electrons

30 Clues: the process of radioisotope decay • the number of protons an atom has. • an atom with an unusual number of neutrons • anything that has mass and occupies space. • One or 2 letters that represent an element. • the core of an atom made of protons and neutrons • chemicals formed at the end of a chemical reaction • chemicals at the beginning of the chemical reaction • ...

Challenge It! 2026-02-20

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

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

Chemical Reactions 2024-10-15

Chemical Reactions crossword puzzle
Across
  1. A ___ is the substance that is formed from a chemical reaction.
  2. A chemical ___ visually represents a chemical reaction.
  3. The subscript represents the number of ___ in a chemical formula.
  4. The ___ is the number in front of a chemical formula.
  5. What is the subscript on hydrogen in the following substance: 3H₂O?
  6. The arrow in a chemical equation is called the ___ sign.
  7. Products are shown on the ___ of the yield sign.
Down
  1. The ___ is the smaller number to the right of an atom in a chemical formula.
  2. The coefficient represents the number of ___ reacting or produced.
  3. A ___ is the substance that undergoes the change in a chemical reaction.
  4. What is the coefficient in the following substance: 3H₂O?
  5. True or false? Products in a chemical reaction have the same properties as the reactants.
  6. What is the subscript on oxygen in the following substance: 3H₂O?
  7. Reactants are shown on the ___ of the yield sign.

14 Clues: Products are shown on the ___ of the yield sign. • Reactants are shown on the ___ of the yield sign. • The ___ is the number in front of a chemical formula. • A chemical ___ visually represents a chemical reaction. • The arrow in a chemical equation is called the ___ sign. • What is the coefficient in the following substance: 3H₂O? • ...

C1.3 Chemical reactions 2024-04-29

C1.3 Chemical reactions crossword puzzle
Across
  1. A change that is reversible, in which new substances are not made. Examples of physical changes include changes of state, and dissolving.
  2. a material that releases energy when it burns
  3. a change in which energy is absorbed from the surroundings
  4. Possible source of danger
  5. A change in which atoms are rearranged to create new substances.
  6. an equation in which the reactants and products in a chemical reaction are represented by words (their names). The arrow in the equation means 'reacts to make'
  7. A chemical change in which a substance combines with oxygen, for example; when iron oxidises, forming rust
  8. A chemical reaction that breaks down compounds into simpler products.
  9. A rapid reaction between oxygen and fuel that results in heat and light
  10. a change in which energy is released to the surroundings
  11. The chance of damage or injury from a hazard
Down
  1. a substance that forms in a chemical reaction
  2. the principle stating that matter is not created or destroyed during a chemical reaction. The total mass of products produced is equal to the total mass of reactants used.
  3. A fuel made from the remains of animals and plants that died millions of years ago. Fossil fuels include coal, oil, and natural gas.
  4. Resources that cannot be replenished at rate they are used. The will one day run out.
  5. a starting substance in a chemical reaction
  6. a variable that can only have a whole-number value

17 Clues: Possible source of danger • a starting substance in a chemical reaction • The chance of damage or injury from a hazard • a substance that forms in a chemical reaction • a material that releases energy when it burns • a variable that can only have a whole-number value • a change in which energy is released to the surroundings • ...

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

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

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

Chemistry 2013-06-17

Chemistry crossword puzzle
Across
  1. repeating pattern.
  2. particles that form during chemical changes.
  3. pure substance composed of two or more elements that are chemically combined.
  4. gases/unreactive nonmetals.
  5. representation of an object or a symbol.
  6. substances formed from a chemical reaction.
  7. combination of two or more substances that are not chemically combined.
  8. charged particles found in all atoms.
  9. mixture/ the same apperence and property throughout the whole mixture.
Down
  1. row of elements.
  2. electrons/ electrons in their outter most energy level.
  3. equation/a shorthand description of a chemical reaction using chemical formulas and symbols.
  4. starting materials in a chemical reaction.
  5. smallest particle into which an element can be divided and still be the same substance.
  6. reactive nonmetals.
  7. pure substance that cannot be seperated into simpler substances by chemical or physical means.
  8. explanantion for a broad range of hypothosises and observations.

17 Clues: row of elements. • repeating pattern. • reactive nonmetals. • gases/unreactive nonmetals. • charged particles found in all atoms. • representation of an object or a symbol. • starting materials in a chemical reaction. • substances formed from a chemical reaction. • particles that form during chemical changes. • electrons/ electrons in their outter most energy level. • ...

Chapter 8 Crossword Puzzle 2025-01-21

Chapter 8 Crossword Puzzle crossword puzzle
Across
  1. A metabolic pathway that consumes energy to synthesize a complex molecule from simpler molecules
  2. A process that occurs without an overall input of energy; a process that is energetically favorable
  3. In cellular metabolism, the use of energy released from an exergonic reaction to drive an endergonic reaction
  4. Energy that can be associated with the relative motion of objects
  5. the capacity to cause change
  6. A measure of molecular disorder or randomness
  7. An adenine-containing nucleoside triphosphate that releases free energy when it phosphate bonds are hydrolyzed. This energy is used to drive endergonic reactions in cells
  8. A process by which a chemical agent called a catalyst selectively increases the rate of a reaction without being consumed by the reaction
  9. The portion of a biological system’s energy that can perform work when temperature and pressure are uniform throughout the system
  10. A metabolic pathway that releases energy by breaking down complex molecules to simpler molecules
  11. Kinetic energy associated with the random movement of atoms or molecules;
  12. The amount of energy that reactants must absorb before a chemical reaction will start also called free energy of activation
  13. The totality of an organism’s chemical reactions, consisting of catabolic and anabolic pathways, which manage the material and energy resources of the organism
  14. The study of the energy transformations that occur in a collection of matter
Down
  1. The reactant on which an enzyme works
  2. Energy can be transferred and transformed, but it cannot be created or destroyed.
  3. The specific region of an enzyme that binds the substrate and that forms the pocket in which catalysis occurs
  4. Potential energy available for release in a chemical reaction
  5. The overall flow and transformation of energy in an organism
  6. A spontaneous chemical reaction in which there is a net release of free energy
  7. A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings
  8. A temporary complex formed when an enzyme binds to its substrate molecule(s)
  9. Every energy transfer or transformation increases the entropy of the universe
  10. A molecule with a phosphate group covalently bound to it, making it more reactive than the unphosphorylated molecule
  11. A series of chemical reactions that either builds a complex molecule (anabolic pathway) or breaks down a complex molecule to simpler molecules (catabolic pathway)
  12. Energy that is not kinetic
  13. Caused by entry of the substrate, the change in shape of the active site of an enzyme so that it binds more snugly to the substrate

27 Clues: Energy that is not kinetic • the capacity to cause change • The reactant on which an enzyme works • A measure of molecular disorder or randomness • The overall flow and transformation of energy in an organism • Potential energy available for release in a chemical reaction • Energy that can be associated with the relative motion of objects • ...

Chemistry terms 2021-11-09

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

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

Chemical Processes and Equations Vocabulary 2026-01-07

Chemical Processes and Equations Vocabulary crossword puzzle
Across
  1. Change that takes place when two or more substances interact to form new substances.
  2. A way of describing the number of atoms that make up one molecule of a compound.
  3. Transfer of energy in the form of electromagnetic waves.
  4. Compounds or elements that are the result of a chemical reaction
Down
  1. Chemical reaction in which energy is absorbed, usually getting colder.
  2. States that matter can neither be created nor destroyed, it can only change form.
  3. Chemical reaction in which energy is given off, usually as thermal energy.
  4. States that energy cannot be created or destroyed, it can only change form or be transferred.
  5. Thermal energy
  6. Transfer of heat in a fluid in which the warmer fluid rises and the cooler fluid sinks in currents.
  7. Compounds or elements that change during a chemical reaction.
  8. Transfer of heat through direct contact.
  9. A way of writing changes in the arrangement of atoms during a chemical reaction using chemical symbols.
  10. Substance that helps start or speed up a reaction between two other substances, without being changed by the reaction.

14 Clues: Thermal energy • Transfer of heat through direct contact. • Transfer of energy in the form of electromagnetic waves. • Compounds or elements that change during a chemical reaction. • Compounds or elements that are the result of a chemical reaction • Chemical reaction in which energy is absorbed, usually getting colder. • ...

Chemistry Vocabulary 2014-10-30

Chemistry Vocabulary crossword puzzle
Across
  1. reaction / separation of chemical compounds into elements
  2. of conservation of matter / principle of mass conservation
  3. reaction / purposeful executions of chemical reactions to obtain a product
  4. replacement reaction / two reactant ionic compounds exchange ions to form two new products
  5. solution / solution where solvent is water
Down
  1. reaction / all chemical reactions in which their oxidation state is changed
  2. reaction / high temperature exothermic reaction between fuel and oxidant
  3. / solvent dissolving to form a solution
  4. ionic equation / used to describe chemical equation while indicating reactants or products
  5. equilibrium / the state in which both the reactants and products are present in concentration
  6. replacement reaction / type of oxidation reduction chemical reaction

11 Clues: / solvent dissolving to form a solution • solution / solution where solvent is water • reaction / separation of chemical compounds into elements • of conservation of matter / principle of mass conservation • replacement reaction / type of oxidation reduction chemical reaction • reaction / high temperature exothermic reaction between fuel and oxidant • ...

Chemistry Crossword 2017-11-16

Chemistry Crossword crossword puzzle
Across
  1. Releases heat energy
  2. Is a slow chemical change that occurs when oxygen in the air reacts with a metal
  3. A substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties
  4. A negative charge
  5. When non-metals combine, they procedure a pure substance called a molecule or...
  6. Made up of two or more substances
  7. A chemical reaction takes place when two or more substances combine to form a new substance
  8. Can't be separated
  9. Is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  10. Made up of one or more atoms
  11. Can be separated
  12. Anything that has mass and occupies space
  13. Table of elements
  14. Made up of one atom
Down
  1. A positive charge
  2. Made up of one type of matter
  3. Respiration Is a chemical reaction that takes place in the cells in your body
  4. Eats up material
  5. Absorbs heat energy
  6. Appearance and composition
  7. Caution Symbol
  8. When the experiment doesn't touch air (in a bag)
  9. CO
  10. A neutral charge
  11. Matter that creates volume or mass

25 Clues: CO • Caution Symbol • Eats up material • Can be separated • A neutral charge • A positive charge • A negative charge • Table of elements • Can't be separated • Absorbs heat energy • Made up of one atom • Releases heat energy • Appearance and composition • Made up of one or more atoms • Made up of one type of matter • Made up of two or more substances • Matter that creates volume or mass • ...

Reactions 2019-05-12

Reactions crossword puzzle
Across
  1. for combustion to occur you need to have heat, fuel and _______
  2. before a fuel is burnt, energy is stored in the form of _______ energy
  3. two or more different elements chemically bonded together
  4. the scientific word for the process of burning
  5. during a chemical reactions b_____ between atoms are formed and/or broken
  6. during a chemical reaction mass is c_________ (kept the same)
  7. the periodic table consists of _________.
Down
  1. in the periodic table C is the symbol for ________
  2. every atom is made of _______, neutrons and electrons
  3. the substance(s) present before a chemical reaction
  4. in the periodic table H is the symbol for ________
  5. during a chemical reactions atoms are r_________
  6. a state change (e.g. melting) is reversible and is therefore a ________ change
  7. the substance(s) present after a chemical reaction
  8. the combustion reaction releases _______ energy

15 Clues: the periodic table consists of _________. • the scientific word for the process of burning • the combustion reaction releases _______ energy • during a chemical reactions atoms are r_________ • in the periodic table C is the symbol for ________ • in the periodic table H is the symbol for ________ • the substance(s) present after a chemical reaction • ...

Energy changes in chemical reactions 2022-05-27

Energy changes in chemical reactions crossword puzzle
Across
  1. Fuels are useful because they are capable of releasing ____ amounts of energy as heat.
  2. Simplest hydrocarbon?
  3. Endothermic reaction- heat is _____ in?
  4. The heat of combustion is the energy change of a reaction when substance is
  5. Chemical bonds are forces of attraction between atoms or ....?
  6. All combustion reactions are ______?
  7. Major characteristics that make these fuels so useful, they are easy to ____ and burn.
  8. Exothermic reaction- heat is _____ out?
  9. The reaction between Nitrogen and Oxygen is what kind of reaction?
  10. During endothermic reaction the temperature _____
  11. example of endothermic reaction is ice ____?
Down
  1. Molecules contain only the elements carbon and hydrogen called?
  2. Some bonds are stronger than others. They require more energy to break them, but they give out ____ energy when they are formed.
  3. heat given out?
  4. heat taken in?
  5. _____ chemical bonds takes in energy from the surroundings.
  6. nitrogen+oxygen=nitrogen_____
  7. _____ chemical bonds gives out energy to the surroundings.
  8. During exothermic reaction the temperature _____?
  9. Methane reacting with oxygen to produce carbon dioxide and water is what reaction?

20 Clues: heat taken in? • heat given out? • Simplest hydrocarbon? • nitrogen+oxygen=nitrogen_____ • All combustion reactions are ______? • Endothermic reaction- heat is _____ in? • Exothermic reaction- heat is _____ out? • example of endothermic reaction is ice ____? • During exothermic reaction the temperature _____? • During endothermic reaction the temperature _____ • ...

Spring Final Vocabulary Word Review 2025-05-13

Spring Final Vocabulary Word Review crossword puzzle
Across
  1. the partial positive or negative charge in a polar bond
  2. substance that changes in a chemical reaction
  3. the large number in front of a molecule in a chemical reaction
  4. a type of reaction where a molecule splits apart AB->A+B
  5. group 18 on the periodic table, these elements do not react
  6. the tendency of an atom in a molecule to attract the shared pair of electrons towards itself.​
  7. a type of reaction that makes carbon dioxide and water
  8. the reactant you use up in a reaction.
  9. a type of reaction where an two elements replace each other in the reaction AB+CD->AD+BC
  10. the reactant you have left over after the reaction is complete
  11. type of elements that have properties of both metals and nonmetals
Down
  1. the small number after the element symbol to signify how many of that element are in the molecule
  2. an elements ability to transfer energy in the form of heat and electricity
  3. what you make in a chemical reaction
  4. Electrons are distributed unevenly
  5. group 17 on the periodic table, these elements form -1 anions
  6. a type of reaction where an element replaces another element in the molecule A+BC->B+AC
  7. group 1 on the periodic table, these elements form +1 cations

18 Clues: Electrons are distributed unevenly • what you make in a chemical reaction • the reactant you use up in a reaction. • substance that changes in a chemical reaction • a type of reaction that makes carbon dioxide and water • the partial positive or negative charge in a polar bond • a type of reaction where a molecule splits apart AB->A+B • ...

Science 24 chemistry unit review 2022-05-05

Science 24 chemistry unit review crossword puzzle
Across
  1. workplace hazardous material information system
  2. two or more substances react together
  3. installed in smokestacks to remove sulfur
  4. acid and base produce salt compound
  5. man-made fibres (as cloth or thread)
  6. substance or material has very large molecules
  7. chemical reaction that absorbs heat
  8. substances use chemicals to kill plants/animals
  9. trap heat in earths atomsphere
  10. acidic materials are deposited on earth
Down
  1. chemical reaction that releases heat
  2. chemical reaction combines with oxygen produce heat and light
  3. changes in the climate
  4. chemical that kills plants
  5. chemically breaks down or degrades metal
  6. two or more metals mixed together

16 Clues: changes in the climate • chemical that kills plants • trap heat in earths atomsphere • two or more metals mixed together • acid and base produce salt compound • chemical reaction that absorbs heat • chemical reaction that releases heat • man-made fibres (as cloth or thread) • two or more substances react together • acidic materials are deposited on earth • ...

Chemical reactions 2023-11-06

Chemical reactions crossword puzzle
Across
  1. equation symbolic representationntion of a chemical reaction
  2. increases rate of chemical reaction
  3. displacement reaction when one element is
  4. manufactured substance
  5. release of heat
  6. loses more fluid then taken in
Down
  1. group of atoms bonded together
  2. action preformed
  3. absorption absobtion of heat
  4. combination of ideas
  5. process of burning something
  6. undergo change during a reaction

12 Clues: release of heat • action preformed • combination of ideas • manufactured substance • absorption absobtion of heat • process of burning something • group of atoms bonded together • loses more fluid then taken in • undergo change during a reaction • increases rate of chemical reaction • displacement reaction when one element is • ...

stoichiometry 2025-11-17

stoichiometry crossword puzzle
Across
  1. Shows equal numbers of atoms of each element on each side of the equation.
  2. Numbers placed in front of the chemical formulas for the reactants and products of a reaction to balance the equation.
  3. A unit used to measure the amount of a substance; one mole contains 6.02 × 10²³ particles.
  4. 6.02 × 10²³ formula units of a substance in one mole.
  5. The substances formed as a result of a chemical reaction.
  6. States that the total mass of the products of a chemical reaction is the same as the total mass of the reactants.
  7. The quantity of product actually obtained from a reaction, which is always less than or equal to the theoretical yield.
  8. A reactant that is completely consumed in a reaction, which stops the reaction.
  9. The formula weight of a molecular formula.
  10. The sum of the atomic weights of the atoms in a compound’s formula.
Down
  1. Compares the actual yield to the theoretical yield using the equation.
  2. Reactions in which two reactants combine to form one product.
  3. Reactions in oxygen in which a substance, typically a hydrocarbon, reacts rapidly with O₂ to form CO₂ and H₂O.
  4. The quantity of product calculated to form when all of the limiting reactant reacts.
  5. A technique for determining the empirical formulas of compounds containing only carbon, hydrogen, and/or oxygen.
  6. The starting substances in a chemical reaction that undergo change.
  7. The study of the quantitative relationships between chemical equations.
  8. Can be determined from a substance’s percent composition by calculating the relative number of moles of each atom in 100 g of the substance.
  9. Reactions in which a single reactant forms two or more products.
  10. The mass of one mole of atoms, molecules, or other formula units expressed in grams.

20 Clues: The formula weight of a molecular formula. • 6.02 × 10²³ formula units of a substance in one mole. • The substances formed as a result of a chemical reaction. • Reactions in which two reactants combine to form one product. • Reactions in which a single reactant forms two or more products. • The starting substances in a chemical reaction that undergo change. • ...

Unit 2 Vocab 2021-09-28

Unit 2 Vocab crossword puzzle
Across
  1. compound with an amino group on one end and a carboxyl group on the other end
  2. small chemical unit that makes up a polymer
  3. reactant of an enzyme-catalyzed reaction
  4. substance formed as a result of a chemical reaction
  5. type of bond between atoms in which the electrons are shared
  6. the basic unit of matter
  7. The center of an atom, which contains the protons and neutrons
  8. negatively charged particle that orbits the nucleus in the electron cloud
  9. molecules composed of many monomers
  10. fats, oils, and waxes
  11. energy that is needed to get a reaction started
  12. a reaction that absorbs energy
  13. the number of protons in the nucleus of an atom
  14. biological catalysts
  15. macromolecule made up of amino acids
  16. equal to the total number of protons and neutrons in the nucleus of an atom
Down
  1. electron found in the outermost shell of an atom
  2. one or two-letter abbreviation for a chemical element name
  3. compound made up of carbon, hydrogen, and oxygen atoms
  4. Positively charged particle found in the nucleus of an atom
  5. a combination of 2 or more elements connected by bonds
  6. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  7. subunit of which nucleic acids are composed
  8. a large organic molecule made up of many atoms
  9. process that changes one set of chemicals into another set of chemicals
  10. substance that speeds up the rate of a chemical reaction
  11. particle found in the nucleus that has no charge
  12. elements or compounds that enter into a chemical reaction
  13. pure substance that consists entirely of one type of atom
  14. a reaction that releases energy

30 Clues: biological catalysts • fats, oils, and waxes • the basic unit of matter • a reaction that absorbs energy • a reaction that releases energy • molecules composed of many monomers • macromolecule made up of amino acids • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • subunit of which nucleic acids are composed • ...

Chemistry Molecules 2025-10-15

Chemistry Molecules crossword puzzle
Across
  1. the smallest unit of matter that still has the properties of an element
  2. describes a bond or molecule where electrons are shared unequally, creating partial charges
  3. the ability to do work or cause change, often involved in making or breaking bonds
  4. an atom or group of atoms that has gained or lost electrons and has a charge
  5. a substance formed as a result of a chemical reaction
  6. a measure of how strongly an atom attracts electrons in a bond
  7. a type of bond formed when one atom transfers electrons to another
  8. the arrangement of atoms in a molecule, including bond angles and shape
  9. a type of bond formed when two atoms share electrons
  10. a force that holds atoms together in a molecule or compound
  11. a type of bond found in metals where atoms share a sea of electrons
Down
  1. describes a bond or molecule where electrons are shared equally between atoms
  2. a type of reaction where one element takes the place of another in a compound
  3. a chemical reaction where one compound breaks down into simpler substances
  4. a process where substances change into new substances with different properties
  5. a chemical reaction in which a substance reacts with oxygen and releases energy as heat and light
  6. a chemical reaction where two or more substances combine to form one product
  7. a substance made of two or more different elements chemically combined
  8. a starting material that takes part in a chemical reaction
  9. two or more atoms bonded together that act as a single unit
  10. the number of electrons an atom can share, lose, or gain when bonding
  11. the process by which atoms are joined together to form compounds

22 Clues: a type of bond formed when two atoms share electrons • a substance formed as a result of a chemical reaction • a starting material that takes part in a chemical reaction • two or more atoms bonded together that act as a single unit • a force that holds atoms together in a molecule or compound • a measure of how strongly an atom attracts electrons in a bond • ...

Kelsy's crossword 2016-11-01

Kelsy's crossword crossword puzzle
Across
  1. changes the rate of the chemical reaction without being used up very much
  2. a solid that is produced as a result of a chemical reaction in a solution
  3. a substance or molecule that participates in a chemical reaction
Down
  1. a chemical relation in which heat is released to the surroundings
  2. A substance that slows or stops a chemical reaction
  3. reaction A chemical reaction that requires heat
  4. of conservation of mass mas can not be created or destroyed in ordanary chemical and physical changes
  5. reaction one or more substances change to produce one or more different substances
  6. energy A minimum amount of energy required to start a chemical reaction
  7. a substance that forms in a chemical reaction

10 Clues: a substance that forms in a chemical reaction • A substance that slows or stops a chemical reaction • reaction A chemical reaction that requires heat • a substance or molecule that participates in a chemical reaction • a chemical relation in which heat is released to the surroundings • changes the rate of the chemical reaction without being used up very much • ...

Chapter 7 vocab 2024-01-02

Chapter 7 vocab crossword puzzle
Across
  1. the amount of a chemical substance that contains as many elementary entities
  2. a number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction.
  3. the mass of one mole of any substance
  4. a chemical reaction that involves the release of energy in the form of heat or light.
  5. a reaction in which one element is substituted for another element in a compound.
  6. a reaction in which a compound breaks down into two or more simpler substances.
  7. an article or substance that is manufactured or refined for sale.
  8. energy stored in the bonds of atoms and molecules.
  9. a type of reaction in which multiple reactants combine to form a single product
Down
  1. are reactions that involve the transfer of electrons from one species to another.
  2. have two ionic compounds that are exchanging anions or cations
  3. any chemical reaction that absorbs heat from its environment.
  4. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. substance that takes part in and undergoes change during a reaction.
  6. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.

15 Clues: the mass of one mole of any substance • energy stored in the bonds of atoms and molecules. • any chemical reaction that absorbs heat from its environment. • have two ionic compounds that are exchanging anions or cations • an article or substance that is manufactured or refined for sale. • substance that takes part in and undergoes change during a reaction. • ...

Chemistry Vocab 2025-04-28

Chemistry Vocab crossword puzzle
Across
  1. Involves the release of energy in the form of heat or light
  2. The basic building block of chemistry
  3. change A change in which the form of matter is alterred
  4. The force that holds atoms together
  5. Made up of one type of atom
  6. A substance present in a chemical reaction
  7. property A property that describes how a substance changes
  8. Amount of energy that is transferred from one system to its surroundings
  9. The capacity to do work
  10. Formed by absorbing heat
  11. Change Combines substances into new materials
  12. A chemical substance made up of two or more elements
  13. The measure of the amount of matter in an object
  14. Science that deals with composition structure and properties of substances
Down
  1. A substance that speeds up a chemical reaction
  2. Substances formed as the result of a chemical reaction
  3. Is a intermolecular for other molecules of the same kind
  4. The amount of space occupied by matter
  5. A group of two or more atoms
  6. A material substance
  7. The process by which chemicals interact to form new chemicals
  8. Property The characteristic of matter that can be observed and measured
  9. The measure of hotness or coldness of an object
  10. A physical blend of two or more substances

24 Clues: A material substance • The capacity to do work • Formed by absorbing heat • Made up of one type of atom • A group of two or more atoms • The force that holds atoms together • The basic building block of chemistry • The amount of space occupied by matter • A substance present in a chemical reaction • A physical blend of two or more substances • ...

Acids and Alkalis 2026-05-14

Acids and Alkalis crossword puzzle
Across
  1. occurs when a new substance is formed
  2. when an insoluble solid emerges from a liquid in a chemical reaction
  3. process of rapid oxidation
  4. a form of matter that is either acid or alkaline
  5. the starting substances that are used up for a chemical word equstion
  6. represents a chemical reaction by naming substances
  7. the arrow symbol in a chemical word equation
  8. a change where no new substances are created, and is typically reversible
  9. another word for bubbles or fizz
  10. a substance with a PH level lower than 7
  11. a solution of dyes from lichens
Down
  1. a PH indicator that reveals the PH level of a substance
  2. an acid/alkaline is stronger when it is ____
  3. the new substances formed in the reaction for a chemical word equation
  4. a change where a substance is altered into another.
  5. a substance with a PH level of 7
  6. a word referring to a substance that could burn your skin and eyes.
  7. an acid/alkaline is weaker when it is ____
  8. a substance with a PH level higher than 7
  9. a measurer of how acidic or alkaline a solution is

20 Clues: process of rapid oxidation • a solution of dyes from lichens • a substance with a PH level of 7 • another word for bubbles or fizz • occurs when a new substance is formed • a substance with a PH level lower than 7 • a substance with a PH level higher than 7 • an acid/alkaline is weaker when it is ____ • an acid/alkaline is stronger when it is ____ • ...

Physical Science Crosswords 2025-08-21

Physical Science Crosswords crossword puzzle
Across
  1. and Respiration
  2. as Catalysts
  3. (Acid-Base)
  4. Bonds Breaking/Forming
  5. Reactions
  6. of Conservation of Mass
  7. Reactions
  8. Rate
  9. and Corrosion
  10. vs. Chemical Change
  11. Applications of Chemical Change
Down
  1. of Chemical Reactions
  2. Kinetics
  3. vs. Endothermic
  4. Examples of Chemical Change
  5. vs. Irreversible Reactions
  6. in Reactions
  7. and Reduction
  8. Energy
  9. Area
  10. Theory
  11. and Gases
  12. Chemical Equations
  13. of Chemical Change
  14. Size
  15. Equilibrium

26 Clues: Area • Size • Rate • Energy • Theory • Kinetics • Reactions • and Gases • Reactions • (Acid-Base) • Equilibrium • as Catalysts • in Reactions • and Reduction • and Corrosion • and Respiration • vs. Endothermic • Chemical Equations • of Chemical Change • vs. Chemical Change • of Chemical Reactions • Bonds Breaking/Forming • of Conservation of Mass • vs. Irreversible Reactions • Examples of Chemical Change • ...

Chapter 11 Vocab 2015-02-06

Chapter 11 Vocab crossword puzzle
Across
  1. A chemical change in which an element or a compound reacts with oxygen
  2. A chemical change in which one element replaces a second element in a compound
  3. A list of elements in order of decreasing activity
  4. An equation for a reaction in solution showing only those particles that are directly involved in the chemical change
  5. A substance that increases the rate of reaction by lowering the activation-energy barrier
  6. A small whole number that appears in front of a formula in a balanced chemical equation
Down
  1. A chemical change in which two or more substances react to form a single new substance
  2. An ion that is not directly involved in a chemical reaction; an ion that does not change oxidation number or composition during a reaction
  3. An expression representing a chemical reaction
  4. A chemical equation in which mass is conserved
  5. A chemical change in which a single compound is broken down into two or more simpler products
  6. A chemical change that involves an exchange of positive ions between two compounds
  7. A chemical equation that does not indicate the relative amounts of reactants and products
  8. An equation that shows dissolved ionic compounds as dissociated free ions

14 Clues: An expression representing a chemical reaction • A chemical equation in which mass is conserved • A list of elements in order of decreasing activity • A chemical change in which an element or a compound reacts with oxygen • An equation that shows dissolved ionic compounds as dissociated free ions • ...

Chemistry crossword 2017-03-26

Chemistry crossword crossword puzzle
Across
  1. A reaction that involves the breakdown of a compound into simpler substances
  2. An ion that does not take part in a chemical reaction
  3. A reaction that involves the building up of compounds by combining simpler substances, normally elements
  4. A theory stating that the particles involved in a chemical reaction must collide in order to react
  5. A strong acid readily releases a hydrogen ion in a chemical reaction
  6. A reaction used to prodduce solid products from solutions of ionic substances
  7. A smaller molecule from which polymers are made
  8. The number of active molecules in a set volume of solution
  9. a substance that can be broken down by bacteria, fungi and other living organisms
  10. a substance that increases the rate of a reaction but is not used up in the reaction
  11. a mixture of a solute dissolved in a solvent such as water
Down
  1. A long-chain molecule formed by the joining of many smaller repeating molecules
  2. An insoluble compound formed in a precipitation reaction
  3. An acid which most of its molecules release hydrogen ions into solution
  4. A reaction that involves te combination of oxygen with a fuel
  5. A reaction in which an acid and a base combine to produce a metal salt and water
  6. A molecule that contains only carbon and hydrogen atoms
  7. This refers to an acid solution with a high concentration of hydrogen ions
  8. How fast or slow a reaction proceeds
  9. Process of joining of smaller units to form a long-chain molecule
  10. A reaction that involves oxygen and releases light and heat energy
  11. A small number of active molecules

22 Clues: A small number of active molecules • How fast or slow a reaction proceeds • A smaller molecule from which polymers are made • An ion that does not take part in a chemical reaction • A molecule that contains only carbon and hydrogen atoms • An insoluble compound formed in a precipitation reaction • The number of active molecules in a set volume of solution • ...

Science is the besterest 2017-03-25

Science is the besterest crossword puzzle
Across
  1. a strong acid readily releases a hydrogen ion in a chemical reaction; can also be used to describe the bond between different atoms
  2. an object or a substance that can be broken down by bacteria, fungi and other living organisms
  3. process of joining of smaller units (monomers) to form a long-chain molecule (polymer)
  4. a reaction that involves the building up of compounds by combining simpler substances, normally elements
  5. an ion that does not take part in a chemical reaction
  6. the number of active molecules in a set volume of solution
  7. an acid which most of its molecules release hydrogen atoms into solution
  8. a reaction used to produce solid products from solutions of ionic substances
  9. a mixture of a solute dissolved in a solvent such as water
  10. a long-chain molecule formed by the joining of many smaller repeating molecules (monomers)
Down
  1. a reaction in which an acid and a base combine to produce a metal salt and water
  2. an insoluble compound formed in a precipitation reaction
  3. a reaction that involves the combination of oxygen with a fuel or metal
  4. a reaction that involves oxygen and releases light and heat energy
  5. a theory stating that the particles involved in a chemical reaction must collide in order to react
  6. this refers to an acid solution with a high concentration of hydrogen ions
  7. a reaction that involves the breakdown of a compound into simpler substances
  8. a small number of active molecules (such as acid) in a solution
  9. a molecule that contains only carbon and hydrogen atoms
  10. how fast or slow a reaction proceeds
  11. a substance that increases the rate of a reaction but is not used up in the reaction
  12. a small molecule from which polymers are made

22 Clues: how fast or slow a reaction proceeds • a small molecule from which polymers are made • an ion that does not take part in a chemical reaction • a molecule that contains only carbon and hydrogen atoms • an insoluble compound formed in a precipitation reaction • the number of active molecules in a set volume of solution • ...

Chemical Reactions 2024-09-09

Chemical Reactions crossword puzzle
Across
  1. smallest part of an element
  2. chemical equation that does not have equal amounts of atoms of each type in both the reactants and products
  3. a change in a substance that does not involve a change in its identity
  4. ending materials in a chemical reaction
  5. a pure substance with only one kind of atom
  6. a starting material in a chemical reaction
  7. substance formed by the chemical combination of 2 or more different elements in definite proportions
  8. a combination of symbols and numbers to represent a substance
  9. a representation of a chemical reaction using symbols to show the relationship between reactants and products
  10. matter is not created or destroyed in any chemical or physical change
Down
  1. a change in matter that produces one or more new substances
  2. small number to the bottom-right of a chemical symbol that shows the number of atoms of that element
  3. a group of atoms bonded together
  4. a system in which matter can enter from or escape to its surroundings
  5. number before an element or compound that shows how many of that element or compound there are
  6. plants use the sun's energy to convert water and carbon dioxide into sugar and oxygen
  7. makes, creates, produces; arrow in a chemical reaction
  8. chemical equation with the same number of atoms of each element on both sides of the equation
  9. a system in which no matter is allowed to enter or leave

19 Clues: smallest part of an element • a group of atoms bonded together • ending materials in a chemical reaction • a starting material in a chemical reaction • a pure substance with only one kind of atom • makes, creates, produces; arrow in a chemical reaction • a system in which no matter is allowed to enter or leave • ...

Chapter 7 Crossword 2023-01-06

Chapter 7 Crossword crossword puzzle
Across
  1. a reaction in which one element is substituted for another element in a compound
  2. a very important and small unit of measurement that chemists use
  3. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulae
  4. a chemical reaction in which less energy is needed to break bonds in the reactants than is released when new bonds form in the products
  5. anychemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron
  6. the mass in grams of 1 mole of the substance
  7. a number placed in front of a formula to balance a chemical equation.
  8. a chemical reaction in which a fuel undergoes oxidation by reacting with an oxidising agent, resulting in the release of energy
Down
  1. Energy stored in the bonds of chemical compounds.
  2. reactions that occur when two different atoms or molecules interact to form a different molecule or compound
  3. reactions in which the reactants absorb heat energy from the surroundings to form products
  4. a substance that is present at the end of a chemical reaction
  5. a substance that takes part in and undergoes change during a reaction
  6. a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds
  7. a reaction in which a compound breaks down into two or more simpler substances.

15 Clues: the mass in grams of 1 mole of the substance • Energy stored in the bonds of chemical compounds. • a substance that is present at the end of a chemical reaction • a very important and small unit of measurement that chemists use • a substance that takes part in and undergoes change during a reaction • ...

CHEMISTRY IN THE HOME CROSSWORD PUZZLE 2025-10-09

CHEMISTRY IN THE HOME CROSSWORD PUZZLE crossword puzzle
Across
  1. starting substances in a chemical reaction.
  2. substance that can damage materials or skin.
  3. number scale from 0 to 14 used to show how acidic or alkaline a substance is.
  4. rain that contains dissolved acidic gases such as sulfur dioxide.
  5. reaction between an acid and a base that produces a salt and water.
Down
  1. solution that contains a small amount of acid or alkali in a lot of water.
  2. dioxide when an acid and carbonate react they form form a salt, water, and
  3. way of showing a reaction using words instead of symbols.
  4. chemical that changes colour to show if something is acidic or alkaline.
  5. new substances formed in a chemical reaction.
  6. pure substance made of only one type of atom.
  7. made of two or more different elements chemically joined together.
  8. substance that has a pH less than 7.
  9. reaction reaction that forms new substances.
  10. that reacts with an acid to make a salt and water.
  11. that dissolves in water Dilute
  12. then smallest part of an element that still has its properties.

17 Clues: that dissolves in water Dilute • substance that has a pH less than 7. • starting substances in a chemical reaction. • substance that can damage materials or skin. • reaction reaction that forms new substances. • new substances formed in a chemical reaction. • pure substance made of only one type of atom. • that reacts with an acid to make a salt and water. • ...

bobbiejomachnickichapter13 2016-10-12

bobbiejomachnickichapter13 crossword puzzle
Across
  1. a rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
  2. a polyatomic ion made by removing a proton (hydrogen ion) from a water molecule
  3. a polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
  4. the process by which a reactant loses one or more electrons
  5. the reacting substances in a chemical reaction
Down
  1. the new materials formed in a chemical reaction
  2. description of a substance that can behave as either an acid or a base
  3. a reaction between a acid and a base
  4. description of a chemical reaction in which there is a net release of energy
  5. a substance that accepts hydrogen ions
  6. description of a chemical reaction in which there is a net absorption of energy
  7. a measure of the acidity of a solution equal to the negative logarithm of the hydronium ion concentration
  8. the deterioration of a metal, typically caused by atmospheric oxygen
  9. an ionic compound commonly formed from the reaction between an acid and a base
  10. the process by which a reactant gains one or more electrons
  11. a substance that donates hydrogen ions

16 Clues: a reaction between a acid and a base • a substance that accepts hydrogen ions • a substance that donates hydrogen ions • the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • the process by which a reactant gains one or more electrons • ...

Chemistry Crossword Puzzle 2022-12-08

Chemistry Crossword Puzzle crossword puzzle
Across
  1. are groups that run up and down
  2. a particle with a negative charge found in all cells surrounding the protons and neutrons.
  3. a particle of matter that defines a chemical element
  4. happening/acting suddenly.
  5. a particular kind of matter
  6. elements on the right side of the periodic table
  7. a table of the chemical elements arranged in order of atomic number
  8. elements on the left side of the periodic table
  9. a change in matter that doesn't change the chemical.
  10. chemical/reaction on the periodic table
Down
  1. energy can neither be created nor destroyed.
  2. the brain/main part of a cell.
  3. characteristics that show us the difference of materials
  4. a change of chemical into another/one or more substance is formed.
  5. a representation of a chemical reaction using symbols of the elements
  6. the structure and properties of ______
  7. the electrons located at the outermost shell of an atom
  8. a substance that undergoes change during a reaction.
  9. periods that go left to right

19 Clues: happening/acting suddenly. • a particular kind of matter • periods that go left to right • the brain/main part of a cell. • are groups that run up and down • the structure and properties of ______ • chemical/reaction on the periodic table • energy can neither be created nor destroyed. • elements on the left side of the periodic table • ...

Chemical Reactions 2026-05-13

Chemical Reactions crossword puzzle
Across
  1. Tiny particles that make up all matter.
  2. When one substance spreads evenly into another substance.
  3. Information or observations used to support a claim.
  4. A change that does NOT create a new substance.
  5. A combination of substances that are not chemically joined.
  6. A sign of a chemical reaction that may include bubbling.
  7. Change A sign of a chemical reaction that can be observed visually.
  8. Anything that has mass and takes up space.
Down
  1. A change in how hot or cold something becomes.
  2. Substances formed after a chemical reaction occurs.
  3. A type of change where a new substance is formed.
  4. A clue that a chemical reaction may have occurred involving smell.
  5. Materials present before a chemical reaction occurs.
  6. The ability to cause change or do work.

14 Clues: Tiny particles that make up all matter. • The ability to cause change or do work. • Anything that has mass and takes up space. • A change in how hot or cold something becomes. • A change that does NOT create a new substance. • A type of change where a new substance is formed. • Substances formed after a chemical reaction occurs. • ...

Chemistry Crossword 2015-11-17

Chemistry Crossword crossword puzzle
Across
  1. the amount of mass in a given volume of substance
  2. The purte substances on the periodic table
  3. Number of protons in a nucleus
  4. Invisible negatively charged particle that orbits the neclues of an atom
  5. A reaction that takes place when two or more substances form new substances
  6. A Chemical reaction that absorbs heat energy
  7. The most reactive element
  8. When an element changes from one state to another
  9. The table of Elements
  10. Neutral particle in a nucleus of an atom
  11. Most reactive non metal
  12. An experiment in which is one or more products of a chemical reaction can escape
  13. A Chemical reaction that releases heat energy
  14. Gas, Solid and Liquid
Down
  1. something that resists electricity
  2. Smallest part of a element
  3. A compound made from metal and non-metal
  4. Slow chemical change that occurs when oxygen in the air reacts with metal
  5. Change that results when two or more substances react to create a different substance or substances
  6. The symbol of Oxygen
  7. Change of state from solid to liquid
  8. Change of state from liquid to solid
  9. Water's chemical formula
  10. Combining of pure substance
  11. Vertical column of elements in the periodic table

25 Clues: The symbol of Oxygen • The table of Elements • Gas, Solid and Liquid • Most reactive non metal • Water's chemical formula • The most reactive element • Smallest part of a element • Combining of pure substance • Number of protons in a nucleus • something that resists electricity • Change of state from solid to liquid • Change of state from liquid to solid • ...

Energy, chemical reactions and cellular respiration 2017-09-23

Energy, chemical reactions and cellular respiration crossword puzzle
Across
  1. Oxidation/reduction
  2. Energy derived from the flow of electrons from higher energy shells to lower ones
  3. Refers to the change in one form of energy to another
  4. Result of the intermediate (transition) stage of cellular respiration
  5. adenosine triphosphate
  6. Released by chemical reactions
  7. Inhibitor that doesn't bind the activation site
  8. Factor affecting enzyme reactions
  9. Macromolecule in the liver used to store chemical energy
  10. Kinetic energy is the energy of _________
  11. Alternate pathway to extract energy from pyruvate in the absence of oxygen
  12. Balanced chemical reactions have ____ number of elements on both sides of the reaction
Down
  1. monomeric unit of energy derived from a macromolecule
  2. Reaction type that consumes energy
  3. Pathway that doesn't require oxygen
  4. Energy required to initiate a chemical reaction
  5. Shape of most enzymes
  6. Location a substrate binds an enzyme (2 words)
  7. Energy of electromagnetic waves
  8. Energy generated by creating a concentration gradient
  9. ______ space received the protons pumped by the electron transport chain
  10. Type of enzyme that converts on isomer to another
  11. Reaction type that produces energy
  12. Synthesis
  13. Acid Another name for the Kreb's cycle (2 words)
  14. A catalyst _____ the activation energy

26 Clues: Synthesis • Oxidation/reduction • Shape of most enzymes • adenosine triphosphate • Released by chemical reactions • Energy of electromagnetic waves • Factor affecting enzyme reactions • Reaction type that consumes energy • Reaction type that produces energy • Pathway that doesn't require oxygen • A catalyst _____ the activation energy • Kinetic energy is the energy of _________ • ...

Mission Review 1-3 2022-12-09

Mission Review 1-3 crossword puzzle
Across
  1. Organic compounds with an amino group on
  2. a compound that forms OH- ions in solution
  3. processes that changes one set of chemicals to another
  4. attraction of molecules of the same substance
  5. the three dimensional structure shape of the protein is stabilized by interactions between R-groups
  6. polypeptide chains found in only some proteins
  7. structure sequence of amino acids
  8. end and a carboxyl group on the other end.
Down
  1. structure assocation between two or more
  2. the tendency of water tendency of water to rise in a thin tube
  3. breaking large molecules down into smaller molecules that release energy
  4. chemical reaction that releases energy
  5. a substance on which an enzyme acts during a chemical reaction
  6. the ability to move or change matter
  7. substance that is dissolved in solution
  8. the basic unit of matter
  9. chemical reaction that absorbs energy
  10. atoms of the same elements that differ in number of neutrons they contain
  11. a compound that forms H+ ions in solution
  12. a chemical reaction that builds molecules by losing water molecules
  13. all of the chemical reactions that occur within an organism to maintain life

21 Clues: the basic unit of matter • structure sequence of amino acids • the ability to move or change matter • chemical reaction that absorbs energy • chemical reaction that releases energy • substance that is dissolved in solution • structure assocation between two or more • Organic compounds with an amino group on • a compound that forms H+ ions in solution • ...

Chemistry 2017-09-11

Chemistry crossword puzzle
Across
  1. acid
  2. The smallest building block
  3. no charge
  4. speeds up a chemical reaction
  5. The more H+ ions
  6. Reaction rearranging atoms
  7. negative
Down
  1. It positive
  2. after a chemical reaction
  3. beginning substances
  4. bonded together
  5. basic

12 Clues: acid • basic • negative • no charge • It positive • bonded together • The more H+ ions • beginning substances • after a chemical reaction • The smallest building block • speeds up a chemical reaction • Reaction rearranging atoms

Chapter 11 Vocab 2015-02-06

Chapter 11 Vocab crossword puzzle
Across
  1. A chemical equation in which mass is conserved
  2. A chemical change in which a single compound is broken down into two or more simpler products
  3. An expression representing a chemical reaction
  4. A small whole number that appears in front of a formula in a balanced chemical equation
  5. A chemical equation that does not indicate the relative amounts of reactants and products
  6. A chemical change that involves an exchange of positive ions between two compounds
  7. An ion that is not directly involved in a chemical reaction; an ion that does not change oxidation number or composition during a reaction
Down
  1. A chemical change in which an element or a compound reacts with oxygen
  2. A chemical change in which one element replaces a second element in a compound
  3. An equation for a reaction in solution showing only those particles that are directly involved in the chemical change
  4. A substance that increases the rate of reaction by lowering the activation-energy barrier
  5. An equation that shows dissolved ionic compounds as dissociated free ions
  6. A chemical change in which two or more substances react to form a single new substance
  7. A list of elements in order of decreasing activity

14 Clues: A chemical equation in which mass is conserved • An expression representing a chemical reaction • A list of elements in order of decreasing activity • A chemical change in which an element or a compound reacts with oxygen • An equation that shows dissolved ionic compounds as dissociated free ions • ...

Chemical Reactions 2013-11-19

Chemical Reactions crossword puzzle
Across
  1. base indicators / An indicator that changes colour when going from acid to basic solutions.
  2. of Reaction / The aftermath of a reaction.
  3. Reaction / The process of rearanging the molecules or ionic structure.
  4. scale / Is the scale measuring the acidity or alkalinity of a solution.
  5. / A pair of substances that have reacted or are going to.
  6. reaction / A chemical reaction in which an acid and a base interact with the formation of salt.
  7. reaction / A reaction that happens by cause of fire, spark, friction or static.
  8. of conservation of mass / The principle of matter not being created or destroyed in an isolated environment.
  9. / The main ingredient in which other substances are added.
Down
  1. substance / A substance able to corrode or rot apon contact.
  2. reaction / A reaction that is accomanied by heat.
  3. reaction / A chemical reaction accompaied by the absorbtion of heat.
  4. / A liquid with a pH lower than 7.
  5. / Capable of being disolved or liquified.
  6. / Incapable of being disolved or liquified.

15 Clues: / A liquid with a pH lower than 7. • / Capable of being disolved or liquified. • of Reaction / The aftermath of a reaction. • / Incapable of being disolved or liquified. • reaction / A reaction that is accomanied by heat. • / A pair of substances that have reacted or are going to. • / The main ingredient in which other substances are added. • ...

PSCI Terms 2023-01-13

PSCI Terms crossword puzzle
Across
  1. a bond formed when atoms share one or more pairs of electrons
  2. negatively charged subatimic particle
  3. good conductors of heat and electricity
  4. a chemical reaction in which energy is released to the surroundings as heat
  5. a substance or molecule that participates in a chemical reaction
  6. an atom with same number of protons but different number of neutrons
  7. family group 8A
  8. the arrangement of atoms in a substance
  9. family group 7A
  10. a chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of atoms
  11. a substance that forms in a chemical reaction
  12. equal to the number of protons
  13. the attractive force that holds atoms or ions together
Down
  1. brittle when struck
  2. electrons in the outer most energy level
  3. family group 2A
  4. greek prefix for 10
  5. positively charged subatomic particle
  6. an atom who has gained or lost an electron
  7. greek prefix for 2
  8. greek prefix for 1
  9. a chemical reaction that requires energy input
  10. an atom's center
  11. has characteristics of both metals and non metals
  12. family group 1A
  13. the attractive force between oppositely charged ions

26 Clues: family group 2A • family group 8A • family group 1A • family group 7A • an atom's center • greek prefix for 2 • greek prefix for 1 • brittle when struck • greek prefix for 10 • equal to the number of protons • negatively charged subatimic particle • positively charged subatomic particle • good conductors of heat and electricity • the arrangement of atoms in a substance • ...

Types of chemical reactions by GOVINDKRISHNA 10N 2024-04-30

Types of chemical reactions by GOVINDKRISHNA 10N crossword puzzle
Across
  1. reaction in which the activation energy for decomposition is provided in the form of electrical energy
  2. reaction in which a single product is formed from two or more reactants
  3. substance Lossing oxygen
  4. chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  5. a chemical reaction in which a chemical compound is broken down by photons.
  6. is a chemical reaction that releases energy by light or heat
  7. also called as quick lime
  8. reaction in which a single reactant breaks down to give simpler products
Down
  1. a reaction in which a compound breaks down into two or more simpler substances
  2. used for white washing
  3. involve the breaking and making bonds between atoms to produce new substances.
  4. is the one wherein the atom or a set of atoms is displaced by another atom in a molecule
  5. is a chemical decomposition caused by heat.
  6. type of reaction that occurs when the cations and anions switch between two reactants to form new products
  7. substance gaining oxygen

15 Clues: used for white washing • substance Lossing oxygen • substance gaining oxygen • also called as quick lime • is a chemical decomposition caused by heat. • is a chemical reaction that releases energy by light or heat • reaction in which a single product is formed from two or more reactants • reaction in which a single reactant breaks down to give simpler products • ...

Briggs-Rauscher Oscillating Clock 2024-05-20

Briggs-Rauscher Oscillating Clock crossword puzzle
Across
  1. A process that uses electricity to drive a non-spontaneous chemical reaction.
  2. A conductor through which electricity enters or leaves an object, substance, or region.
  3. The electrode where oxidation occurs.
  4. The loss of electrons.
  5. Another name for a galvanic cell.
Down
  1. Either the oxidation or reduction reaction component of a redox reaction.
  2. A substance that produces an electrically conducting solution when dissolved.
  3. The gradual destruction of materials (usually metals) by chemical reaction with their environment.
  4. The gain of electrons.
  5. A type of cell that generates electrical energy from spontaneous redox reactions.
  6. A substance that gains electrons and is reduced in a chemical reaction.
  7. A type of chemical reaction that involves a transfer of electrons.
  8. State A number that represents the total number of electrons that an atom either gains or loses to form a chemical bond.
  9. The electrode where reduction occurs.

14 Clues: The gain of electrons. • The loss of electrons. • Another name for a galvanic cell. • The electrode where oxidation occurs. • The electrode where reduction occurs. • A type of chemical reaction that involves a transfer of electrons. • A substance that gains electrons and is reduced in a chemical reaction. • ...

Chemistry Chapter 11 Vocab 2021-12-06

Chemistry Chapter 11 Vocab crossword puzzle
Across
  1. a list of elements in order of decreasing activity; the activity series of halogens
  2. a chemical change that involves an exchange of positive ions between two compounds
  3. a chemical change in which two or more substance react to form a single new substance; also called a synthesis reaction
  4. a sustance that increases the rate of reaction by lowering the activation-energy barrier; the catalyst is not used up in the reaction
  5. an expression representing a chemical reaction
  6. a chemical change in which a single compound is broken down into two or more simpler products
Down
  1. a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light
  2. a chemical equation that does not indicate the relative amounts of reaactants and products
  3. an equation for a reaction in solution showing only those particles that are directly involved in the chemical change
  4. a chemical change in which one element replaces a second element in a compound; also called a displacement reaction
  5. an ion that is not directly involved in a chemical reaction; an ion that does not change oxidation number or composition during a reaction
  6. a small whole number that appears in front of a formula in a balanced chemical equation
  7. an equation that shows dissolved ionic compounds as dissociated free ions

13 Clues: an expression representing a chemical reaction • an equation that shows dissolved ionic compounds as dissociated free ions • a chemical change that involves an exchange of positive ions between two compounds • a list of elements in order of decreasing activity; the activity series of halogens • ...

Voc 6.1.3 Chemical Changes 2025-09-26

Voc 6.1.3 Chemical Changes crossword puzzle
Across
  1. Chemical energy converted to electrical energy
  2. easy to set on fire
  3. 2 or more substances combine and NO new substance is formed
  4. a solid that forms when two liquids are combined
  5. forms when water and oxygen come into contact with metals
  6. food browning during toasting, sauteing, caramelizing, frying,
  7. fire is ALWAYS a chemical reaction; ashes
  8. proteins that start a chemical reaction
  9. 2 or more substances combine and a new substance is formed
Down
  1. accurate; supports the claim that was made in an experiment
  2. a burst of light; an explosion; eruption of fire
  3. substance gets hotter or colder or both
  4. foaming, fizzing, frothing, bubbles
  5. Salt
  6. a substance that can destroy another substance by contact
  7. rusting, tarnishing, food browning
  8. after two reactants are combined
  9. a substance that goes through a chemical change during a chemical reaction

18 Clues: Salt • easy to set on fire • after two reactants are combined • rusting, tarnishing, food browning • foaming, fizzing, frothing, bubbles • substance gets hotter or colder or both • proteins that start a chemical reaction • fire is ALWAYS a chemical reaction; ashes • Chemical energy converted to electrical energy • a burst of light; an explosion; eruption of fire • ...

U5S1 KINETICS & HESS'S LAW Extra Credit 2022-02-03

U5S1 KINETICS & HESS'S LAW Extra Credit crossword puzzle
Across
  1. energy the minimum amount of energy that must be provided for compounds to result in a chemical reaction. the change in enthalpy associated with a particular chemical process any chemical substance produced during the conversion of some reactant to a product
  2. a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously
  3. the branch of physical chemistry that is concerned with understanding the rates of chemical reactions.
  4. The reaction rate or rate of reaction is the speed at which a chemical reaction takes place, defined as proportional to the increase in the concentration of a product per unit time and to the decrease in the concentration of a reactant per unit time.
  5. reaction in which products are produced from reactants and it goes from left to right in a reversible reaction
Down
  1. used to relate the free energy changes that occur during the progress of chemical processes to the rate and equilibrium constants of the process
  2. any chemical reaction that absorbs heat from its environment
  3. the movement of one or more components of a mixture to improve contact
  4. a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light, electricity, or sound
  5. he average kinetic energy of all the atoms or molecules of that substance
  6. he energy change in an overall chemical reaction is equal to the sum of the energy changes in the individual reactions comprising it
  7. any substance that increases the rate of a reaction without itself being consumed
  8. a substance which slows downprevents a particular chemical reaction or other process or which reduces the activity of a particular reactant, catalyst, or enzyme

13 Clues: any chemical reaction that absorbs heat from its environment • the movement of one or more components of a mixture to improve contact • he average kinetic energy of all the atoms or molecules of that substance • any substance that increases the rate of a reaction without itself being consumed • ...

Chemical Reactions 2025-01-22

Chemical Reactions crossword puzzle
Across
  1. The number placed in front of a chemical formula to balance a chemical equation.
  2. A change in matter where a new substance is formed, often involving energy release or absorption.
  3. The substance that is formed in a chemical reaction.
  4. The law stating that matter cannot be created or destroyed in a chemical reaction.
  5. The number of molecules or atoms involved in a reaction, shown in a chemical equation.
Down
  1. A type of reaction in which one element replaces another in a compound.
  2. A reaction where a compound breaks down into simpler substances.
  3. A chemical reaction that releases heat.
  4. A process by which energy is absorbed in a reaction.
  5. A type of reaction where two or more substances combine to form a new compound.
  6. The part of a reaction that is present before the chemical change.

11 Clues: A chemical reaction that releases heat. • A process by which energy is absorbed in a reaction. • The substance that is formed in a chemical reaction. • A reaction where a compound breaks down into simpler substances. • The part of a reaction that is present before the chemical change. • A type of reaction in which one element replaces another in a compound. • ...

Physical Science Final Exam 2016-05-25

Physical Science Final Exam crossword puzzle
Across
  1. Substance containing a hydroxyl group
  2. It is dissolved
  3. Reaction between oxygen and a fuel
  4. Force between two surfaces
  5. A polymer of simple sugars
  6. Unequal forces acting on an object
  7. A solid formed in solution
  8. An object in orbit
  9. A chemical reaction where a compound breaks down
  10. Amount of work done in a unit of time
  11. Rise over run
  12. Energy needed to start a chemical reaction
  13. SI unit of length
  14. A solution in which no more solute dissolves
  15. A force that pulls objects down
  16. The amount of substance in a given volume
  17. A unit of force
  18. A devise that makes work easier
  19. A chemical reaction where elements in compounds switch place
  20. A substance that produces hydrogen ions in water
  21. Repeating unit in a polymer
  22. Changing speed or direction
  23. A property that describes ability to change
  24. It does the dissolving
  25. A chemical reaction where a complex substance is formed
  26. New substance formed
Down
  1. Carboxyl group
  2. Resistance to a change in motion
  3. Substance containing a carboxyl group
  4. A unit of power
  5. Hydroxyl group
  6. A reaction between an acid and a base
  7. A measure of how much solute can dissolve at a given temperature
  8. contain only hydrogen and carbon
  9. Mass times velocity
  10. Type of fluid friction
  11. Combination of forces acting on an object
  12. Substance in the beginning of a reaction.
  13. Absorbs heat
  14. A substance that produces hydroxide ions in water
  15. The force of gravity on an object
  16. Releases heat
  17. A well mixed mixture
  18. DNA and RNA
  19. A number in front of a chemical formula
  20. Distance divided by time interval
  21. A property that can be observed without changing the substance
  22. A unit of energy
  23. Speed and direction
  24. A polymer of amino acids
  25. Anything that has mass and volume
  26. Force times distance
  27. A scale which measures acidity

53 Clues: DNA and RNA • Absorbs heat • Rise over run • Releases heat • Carboxyl group • Hydroxyl group • It is dissolved • A unit of power • A unit of force • A unit of energy • SI unit of length • An object in orbit • Mass times velocity • Speed and direction • A well mixed mixture • Force times distance • New substance formed • Type of fluid friction • It does the dissolving • A polymer of amino acids • ...

Organic Chemistry 2022-01-25

Organic Chemistry crossword puzzle
Across
  1. hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
  2. a chemical formula that identifies the location of chemical bonds between the atoms of a molecule.
  3. the process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
  4. a two-stage reaction process of an addition reaction followed by an elimination reaction
  5. an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
  6. a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
Down
  1. the simplest whole number ratio of atoms present in a compound
  2. relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
  3. chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.
  4. a substance that takes part in and undergoes change during a reaction.
  5. a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
  6. has only single bonds between carbon atoms
  7. a reaction in which one molecule combines with another to form a larger molecule with no other products.
  8. a chemical species that forms bonds with electrophiles by donating an electron pair.
  9. an aromatic hydrocarbon (such as benzene or naphthalene)

15 Clues: has only single bonds between carbon atoms • an aromatic hydrocarbon (such as benzene or naphthalene) • the simplest whole number ratio of atoms present in a compound • a substance that takes part in and undergoes change during a reaction. • hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms • ...

Organic Chemistry 2022-01-25

Organic Chemistry crossword puzzle
Across
  1. hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
  2. a chemical formula that identifies the location of chemical bonds between the atoms of a molecule.
  3. the process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
  4. a two-stage reaction process of an addition reaction followed by an elimination reaction
  5. an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
  6. a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
Down
  1. the simplest whole number ratio of atoms present in a compound
  2. relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
  3. chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.
  4. a substance that takes part in and undergoes change during a reaction.
  5. a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
  6. has only single bonds between carbon atoms
  7. a reaction in which one molecule combines with another to form a larger molecule with no other products.
  8. a chemical species that forms bonds with electrophiles by donating an electron pair.
  9. an aromatic hydrocarbon (such as benzene or naphthalene)

15 Clues: has only single bonds between carbon atoms • an aromatic hydrocarbon (such as benzene or naphthalene) • the simplest whole number ratio of atoms present in a compound • a substance that takes part in and undergoes change during a reaction. • hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms • ...

Chemical Changes Gizmo Vocabulary Review 2020-09-27

Chemical Changes Gizmo Vocabulary Review crossword puzzle
Across
  1. The total mass of the products and the total mass of the reactants in a chemical reaction are ___ values.
  2. A number representing the number of atoms of an element in one molecule of a substance.
  3. A substance that changes color when in contact with an acid or base.
  4. An endothermic reaction causes the temperature of a system to ___ from its starting temperature.
  5. Synthesis chemical reactions result in formation of a ___ product from multiple reactants.
  6. A process that causes the system to release heat energy to the surroundings.
  7. No ___ are created or destroyed when a chemical reaction occurs.
Down
  1. A substance that results from (comes out of) a chemical reaction.
  2. Chemical changes result in the formation of new ___.
  3. The Law of the Conservation of matter states that the total amount of matter in a ___ system remains constant.
  4. An exothermic reaction causes the temperature of a system to ___ from its starting temperature.
  5. A process that causes the system to absorb heat energy from the surroundings.
  6. A ___ change is a change that affects the shape or phase of a substance but does not produce new substances.
  7. ___ means to pass into solution.
  8. When a chemical change occurs, ___ holding atoms together are broken and new ___ are formed.
  9. A substance that takes part in (goes in to) and is changed by a chemical reaction.

16 Clues: ___ means to pass into solution. • Chemical changes result in the formation of new ___. • No ___ are created or destroyed when a chemical reaction occurs. • A substance that results from (comes out of) a chemical reaction. • A substance that changes color when in contact with an acid or base. • ...

Changes In Matter Vocabulary 2025-05-15

Changes In Matter Vocabulary crossword puzzle
Across
  1. substance,two or more elements
  2. absorb,heat
  3. study,properties
  4. end,reaction
  5. matter,amount
  6. transfer,energy
  7. space taken,
  8. everything,takes space
  9. force,together
Down
  1. two or more,together
  2. non chemical,combination
  3. structurally same
  4. kinetic energy, average
  5. ability,work
  6. starting materials,chemical
  7. speeds, reaction
  8. unit,smallest
  9. release,heat

18 Clues: absorb,heat • ability,work • end,reaction • space taken, • release,heat • matter,amount • unit,smallest • force,together • transfer,energy • study,properties • speeds, reaction • structurally same • two or more,together • everything,takes space • kinetic energy, average • non chemical,combination • starting materials,chemical • substance,two or more elements

Chemistry Crossword 2022-08-29

Chemistry Crossword crossword puzzle
Across
  1. When one element replaces another in a compound or when two elements in different compounds trade places
  2. A substance made of two or more elements chemically combined in a specific ratio or proportion
  3. A well mixed mixture
  4. The different materials you have after a chemical reaction takes place
  5. The process that breaks down compounds into simpler products
  6. A shorter, easier way to show chemical reactions using symbols instead of words.
  7. The study of the properties of matter and how matter changes
  8. A reaction that absorbs energy making the substances feel cooler
  9. A change in matter that forms one or more new substances
  10. A reaction the releases energy in the form of heat
  11. The materials you have at the beginning of a chemical reaction
Down
  1. A particle made of two or more atoms bonded together
  2. Anything that has mass and takes up space
  3. A solid that forms from solution during a chemical reaction
  4. A substance that consists of two or more pure substances that are in the same place but not chemically combined
  5. A combination of symbols that represent the elements in a compound
  6. When two or more substances combine to make a more complex substance
  7. The force that holds atoms together
  8. The smallest stable unit of matter
  9. A substance that cannot be broken down into any other substances by chemical or physical means

20 Clues: A well mixed mixture • The smallest stable unit of matter • The force that holds atoms together • Anything that has mass and takes up space • A reaction the releases energy in the form of heat • A particle made of two or more atoms bonded together • A change in matter that forms one or more new substances • A solid that forms from solution during a chemical reaction • ...

Year 6 - Chemistry Key Terms 2025-09-11

Year 6 - Chemistry Key Terms crossword puzzle
Across
  1. A common irreversible chemical change that happens in the kitchen.
  2. Heating a liquid until it turns into gas with bubbles.
  3. A small glass tube used to hold and mix small amounts of substances.
  4. A step-by-step plan for doing an experiment.
  5. A change where the substance stays the same, even if its form changes.
  6. An indicator of a chemical change when a substance becomes a new colour.
  7. Bubbles form when this happens during a reaction.
  8. When something gets hotter or colder during a reaction.
  9. The scientific word for burning, like fireworks or candles.
  10. Used to accurately measure the volume of liquids.
  11. When a solid turns into a liquid.
  12. A change that cannot be undone, like cooking an egg.
  13. A solid that forms during a chemical reaction in a solution.
Down
  1. Combining two or more substances without a chemical reaction.
  2. A change that creates a new substance with different properties.
  3. A container used in science experiments to hold liquids.
  4. Hot water vapour seen when boiling water.
  5. When a substance mixes completely into a liquid, like sugar in water.
  6. A test to see how something reacts or behaves.
  7. A change that can be undone, like melting and freezing.
  8. These form when gas is made in a chemical reaction.
  9. A labelled drawing that shows what happened in an experiment.

22 Clues: When a solid turns into a liquid. • Hot water vapour seen when boiling water. • A step-by-step plan for doing an experiment. • A test to see how something reacts or behaves. • Bubbles form when this happens during a reaction. • Used to accurately measure the volume of liquids. • These form when gas is made in a chemical reaction. • ...

Chemical Reactions and Equations - Neil 2024-05-04

Chemical Reactions and Equations - Neil crossword puzzle
Across
  1. Name given for the corrosion of Iron
  2. The new substance formed by one or two reactants
  3. Name given for the corrosion of Copper and Silver
  4. Colour of residue of Copper Oxide
  5. The most reactive metal in the reactivity series
  6. Name given for the sign to show the presence of heat
  7. A substance that takes part and undergoes in a chemical reaction
  8. A chemical reaction in which a substance loses electrons
  9. A chemical reaction when two compounds exchange ions to form new compounds
Down
  1. A chemical reaction in which a substance gains electrons
  2. Colour of fumes formed by Nitrogen Dioxide when heated
  3. Full form of (aq)
  4. Process in which a layer of zinc is coated on steel or Iron
  5. A decomposition reaction which takes place in the presence of light
  6. Colour of Copper Sulphate
  7. The oxidation of fats and oils

16 Clues: Full form of (aq) • Colour of Copper Sulphate • The oxidation of fats and oils • Colour of residue of Copper Oxide • Name given for the corrosion of Iron • The new substance formed by one or two reactants • The most reactive metal in the reactivity series • Name given for the corrosion of Copper and Silver • Name given for the sign to show the presence of heat • ...

Nick Pelland chapter 13 crossword 2017-10-04

Nick Pelland chapter 13 crossword crossword puzzle
Across
  1. The deterioration of a metal, typically caused by atmospheric oxygen.
  2. a chemical reaction increases or the concentration of reactants decreases.
  3. which is the same as the amount of energy released when the
  4. itself being consumed by the reaction.
  5. A substance that accepts hydrogen ions.
  6. One half of an oxidation–reduction reaction, represented
  7. Any substance that increases the rate of a chemical reaction
  8. A reaction between an acid and a base.
  9. Description of a chemical reaction in which there is a net
  10. an equation showing electrons as either reactants or products.
Down
  1. atoms are brought together into a bond.
  2. The process by which a reactant loses one or more electrons.
  3. of energy.
  4. The amount of energy required to pull two bonded atoms
  5. A measure of how quickly the concentration of products
  6. A rapid exothermic oxidation–reduction reaction between a material and molecular oxygen.

16 Clues: of energy. • itself being consumed by the reaction. • A reaction between an acid and a base. • atoms are brought together into a bond. • A substance that accepts hydrogen ions. • The amount of energy required to pull two bonded atoms • A measure of how quickly the concentration of products • One half of an oxidation–reduction reaction, represented • ...

Chapter 5 2022-05-04

Chapter 5 crossword puzzle
Across
  1. the action or process of replacing someone or something
  2. a numerical or constant quantity placed before and multiplying the variable
  3. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction
  4. a cause of a particular action or event.
  5. the production of chemical compounds by reaction from simpler materials
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  7. occur when a substance combines with another to form a new substance
  8. a quantity obtained by multiplying quantities together, or from an analogous algebraic operation.
  9. can neither be added nor be removed
Down
  1. usually release heat and entail the replacement of weak bonds with stronger ones.
  2. is the symbolic representation of a chemical reaction in the form of symbols and formulae
  3. a change to a sample of matter in which some properties of the material change, but the identity of the matter does not
  4. the state or process of rotting
  5. a substance that takes part in and undergoes change during a reaction.
  6. the action or power of focusing one's attention or mental effort
  7. usually release heat and entail the replacement of weak bonds with stronger ones.
  8. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
  9. a substance which slows down or prevents a particular chemical reaction or other process or which reduces the activity of a particular reactant, catalyst, or enzyme.

18 Clues: the state or process of rotting • can neither be added nor be removed • a cause of a particular action or event. • the action or process of replacing someone or something • the action or power of focusing one's attention or mental effort • occur when a substance combines with another to form a new substance • ...

Jesse Hernandez 2017-02-27

Jesse Hernandez crossword puzzle
Across
  1. he action or fact of making a specified thing smaller or less in amount, degree, or size.
  2. combination or composition, in particular.
  3. of or containing water, typically as a solvent or medium.
  4. cause (an event or situation, typically one that is bad or undesirable) to happen suddenly, unexpectedly, or prematurely.
  5. chemical compound that contains exactly two different elements. [1] Examples of binary ionic compounds include calcium chloride (CaCl2), sodium fluoride (NaF), and magnesium oxide (MgO), whilst examples of binary covalent compounds include water (H2O), and sulfur hexafluoride (SF6)
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  7. reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products
  8. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  9. as a molecular ion, is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit.
Down
  1. the process of burning something.
  2. the process or result of oxidizing or being oxidized.
  3. a substance that takes part in and undergoes change during a reaction.
  4. is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
  5. reaction, is a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  6. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x y).
  7. consisting of two atoms.
  8. produce or provide (a natural, agricultural, or industrial product).
  9. the state or process of rotting; decay.
  10. an article or substance that is manufactured or refined for sale.

19 Clues: consisting of two atoms. • the process of burning something. • the state or process of rotting; decay. • combination or composition, in particular. • the process or result of oxidizing or being oxidized. • of or containing water, typically as a solvent or medium. • an article or substance that is manufactured or refined for sale. • ...

chemistry crossword 2017-11-16

chemistry crossword crossword puzzle
Across
  1. invisible negatively charged particle that orbits the nucleus of an atom
  2. the smallest part of an element that is representative of that element;a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  3. an experiment in which all reactants and all products of a chemical reaction are accounted for
  4. pure substance that cannot be broken down into other substances; substances made up of only one type of atom
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom;measured in atomic mass units
  7. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  8. their reactivity is not as strong as that of the alkali metals
  9. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  10. slow chemical change that occurs when oxygen in the air reacts with a metal
  11. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  12. catalyst involved in a chemical reactions in living things
  13. change of state from a liquid to a gas
  14. chemical reaction that absorbs energy
  15. change of state from a gas to a solid
  16. a reaction that takes place when two or more substances react to form new substances
  17. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
Down
  1. change of state from a gas to a liquid
  2. number of protons in the nucleus of one atom of an element
  3. [in chemistry] vertical column of elements in a periodic table; elements in a family all have similar chemical properties; also called a group
  4. the most reactive of the metals
  5. change that results when two or more substances react to create a different substance or substances;the new substances have completely different properties from the original ones
  6. amount of mass in a given volume of a substance
  7. chemical reaction that takes place in cells; food[sugar] reacts with oxygen to produce energy,water, and carbon dioxide
  8. a solution in which the water is the solvent
  9. chemical combination of two or more elements in a specific ratio
  10. group 17 elements in the periodic table; the most reactive non-metals
  11. substance that helps a chemical reaction to proceed more quickly

28 Clues: the most reactive of the metals • chemical reaction that absorbs energy • change of state from a gas to a solid • change of state from a gas to a liquid • change of state from a liquid to a gas • a solution in which the water is the solvent • amount of mass in a given volume of a substance • number of protons in the nucleus of one atom of an element • ...

physical and chemical change 2025-07-08

physical and chemical change crossword puzzle
Across
  1. – Combustion, a common chemical change.
  2. – Rapid chemical reaction releasing energy.
  3. – Example of chemical change in food (e.g., milk).
  4. – Solid to liquid transition.
  5. – Process where substances change into new substances.
  6. – Gas to liquid transition.
  7. – Liquid turning into gas.
Down
  1. – Liquid to gas transition.
  2. – Solid formed from a liquid chemical reaction.
  3. – Reaction with oxygen (e.g., rusting of iron).
  4. – Breaking an object physically without altering its chemical structure.
  5. – Liquid to solid transition.

12 Clues: – Liquid turning into gas. • – Liquid to gas transition. • – Gas to liquid transition. • – Liquid to solid transition. • – Solid to liquid transition. • – Combustion, a common chemical change. • – Rapid chemical reaction releasing energy. • – Solid formed from a liquid chemical reaction. • – Reaction with oxygen (e.g., rusting of iron). • ...

Chemistry fun! 2012-03-16

Chemistry fun! crossword puzzle
Across
  1. a substance that increases the rate of a reaction and is regenerated at the end of the reaction
  2. [ H2 + 02 = H2O ] is an example of a _____ equation
  3. a positively charged ion
  4. Al2S3
  5. an ion that is composed of more than one atom
  6. German chemist who patented the process of extracting ammonia in 1910
  7. a chemical reaction in which one element takes the place of another element in a compound is a ______ displacement reaction.
  8. a pure substance that undergoes a chemical change
  9. AB = A + B (type of reaction)
  10. in the activity series the _____ reactive metals appear at the bottom
Down
  1. a number that is placed in front of a chemical formula in a balanced chemical equation
  2. Change in colour and formation of a precipitate are examples of evidence that a _____ ______ has occurred.
  3. a negatively charged ion
  4. A + B =AB (type of reaction)
  5. CO32-

15 Clues: Al2S3 • CO32- • a positively charged ion • a negatively charged ion • A + B =AB (type of reaction) • AB = A + B (type of reaction) • an ion that is composed of more than one atom • a pure substance that undergoes a chemical change • [ H2 + 02 = H2O ] is an example of a _____ equation • German chemist who patented the process of extracting ammonia in 1910 • ...