Chemical and Physical Changes

Front

What is a physical change?

Back

A physical change is a change in which the form or appearance of matter changes, but its chemical composition remains the same. Examples include melting ice, boiling water, and breaking a glass.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. Examples include burning wood, rusting iron, and baking a cake.

Front

Is melting ice cream a physical or chemical change?

Back

Melting ice cream is a physical change.

Front

What happens to matter during a physical change?

Back

During a physical change, matter changes size, shape, or form, but its chemical identity remains unchanged.

Front

Is boiling water a physical or chemical change?

Back

Boiling water is a physical change.

Front

What is an example of a chemical change?

Back

An example of a chemical change is a candle burning.

Front

What happens to a bicycle when it rusts?

Back

When a bicycle rusts, it undergoes a chemical change.

Front

Can you name a physical change that occurs with water?

Back

Yes, when water freezes into ice, it is a physical change.

Front

What is the difference between physical and chemical changes?

Back

Physical changes affect the form of a substance, while chemical changes result in new substances being formed.

Front

Is cutting paper a physical or chemical change?

Back

Cutting paper is a physical change.