Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change changes the physical properties of an object, but does not create a new substance.

Front

What is a chemical change?

Back

A chemical change creates a new substance and cannot be undone.

Front

Making a paper airplane is an example of which type of change?

Back

Physical Change

Front

What happens to the state of butter when heat is added?

Back

The butter melts and changes state.

Front

What is produced when wood burns?

Back

Ashes, which indicate a chemical change.

Front

Is melting ice a physical or chemical change?

Back

Physical Change

Front

Is rusting of iron a physical or chemical change?

Back

Chemical Change

Front

What happens during a chemical change?

Back

Atoms rearrange to form new substances.

Front

Can physical changes be easily reversed?

Back

Yes, physical changes can often be reversed.

Front

What is an example of a chemical change in cooking?

Back

Baking a cake, where ingredients react to form a new substance.