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8th Grade Unit 3.2 Chemical Reactions

Across
A reaction in which energy is released.
A chemical reaction in which a reactant breaks down into a simpler products.
A law that states that in a chemical reaction, atoms are neither created nor destroyed.
The substances present at the beginning of a chemical reaction.
Plants absorb energy from sunlight to turn carbon dioxide and water into oxygen and glucose, which is a type of sugar molecule.
Down
A reaction in which energy is absorbed.
A substance that increases the rate of a chemical reaction but is not itself consumed in the reaction.
A solid substance that forms as a result of a reaction between chemicals in two liquids.
Produces new substances by changing the way in which atoms are arranged.
A chemical reaction in which one reactant is always oxygen. Another reactant often contains carbon and hydrogen.
A measure of the number of particles present in a certain volume.
A chemical reaction in which a new compound is formed by the combinations of simpler reactants.
Indicate how many chemicals take part in a chemical reaction.
The substances formed by a chemical reaction.