Physical and Chemical Change

Front

The temperature at which a solid turns into a liquid is called its _______.

Back

melting point

Front

Rusting metal is a ______________.

Back

chemical change

Front

What type of change occurs when placing a Styrofoam cup in 100% pure acetone?

Back

Chemical change

Front

Easily reversible. No new substance is formed.

Back

Physical change

Front

Digesting food is an example of which type of change?

Back

Chemical change

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

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.

Front

Give an example of a chemical change.

Back

Burning wood.

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical structure.