Chemical Reactions

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

Front

What is evidence of a chemical reaction?

Back

Fizzing.

Front

What happens when metal rusts?

Back

A different chemical substance is formed.

Front

What does a balanced chemical equation represent?

Back

It shows the types and number of atoms involved in a chemical reaction.

Front

What is the role of reactants in a chemical reaction?

Back

Reactants are the starting substances that undergo change.

Front

What are products in a chemical reaction?

Back

Products are the new substances formed as a result of the reaction.

Front

What is an example of a physical change?

Back

Water changing to ice.

Front

What is an example of a chemical change?

Back

Metal rusting.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed.