Physical and Chemical Changes

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without changing 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

Melting ice cream.

Front

Give an example of a chemical change.

Back

A candle burning.

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical structure.

Front

What happens to the molecules during a chemical change?

Back

The molecules break apart and form new substances.

Front

Is boiling water a physical or chemical change?

Back

Physical change.

Front

Is crumpling paper a physical or chemical change?

Back

Physical change.

Front

What is an example of a chemical change in cooking?

Back

Baking a cake.