Physical or Chemical Changes

Front

Baking a cake is an example of a __________ change.

Back

Chemical

Front

Melting an ice cube is an example of a ________ change.

Back

Physical

Front

Mixing vinegar and baking soda is an example of a __________ change.

Back

Chemical

Front

Iron rusting is an example of a __________ change.

Back

Chemical

Front

Burning wood is an example of a _________ change.

Back

Chemical

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Freezing water to make ice.

Front

Give an example of a chemical change.

Back

Digesting food.

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical structure.