Physical and Chemical Change

Front

What is a physical change?

Back

A change of matter from one form to another without turning into a new substance.

Front

What is a chemical change?

Back

A change that occurs when one or more substances produce new substances with different properties.

Front

What is a mixture?

Back

A combination of two or more substances that do not chemically bond.

Front

What is the melting point?

Back

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

Front

What is the boiling point?

Back

The temperature at which a liquid changes to a gas. The boiling point of water is 100 °C.

Front

What happens to the properties of a substance during a chemical change?

Back

The properties change because new substances are formed.

Front

Give an example of a physical change.

Back

Shredding a newspaper.

Front

Give an example of a chemical change.

Back

Baking a cake.

Front

What is an example of a substance that is not a mixture?

Back

Salt.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not create a new substance, while a chemical change does.