Physical and Chemical Changes

Front

What is a physical change?

Back

A change in size, shape, or state of matter without changing its identity.

Front

What is a chemical change?

Back

A change that results in the formation of new substances with different properties.

Front

What causes iron to rust?

Back

A chemical reaction with oxygen and moisture in the air.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

Give an example of a physical change.

Back

Bending metal.

Front

Give an example of a chemical change.

Back

Lighting a match.

Front

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

Back

The properties change because a new substance is formed.

Front

What is an example of a substance that undergoes a physical change?

Back

Cutting a piece of paper.

Front

What is an example of a chemical change that occurs in everyday life?

Back

Cooking food.

Front

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

Back

Physical changes do not create new substances, while chemical changes do.