Physical and Chemical Changes

Front

What is a chemical change?

Back

A chemical change is a change that creates a new substance, often releasing light or heat.

Front

What is a physical change?

Back

A physical change is a change in an item's properties like its shape, size, or density without creating a new substance.

Front

Identify the change: Glass breaking.

Back

Physical Change

Front

Identify the change: Wood burning.

Back

Chemical Change

Front

Identify the change: Ice cream melting.

Back

Physical Change

Front

What are examples of chemical changes?

Back

Examples include burning, rusting, and cooking.

Front

What are examples of physical changes?

Back

Examples include melting, freezing, and dissolving.

Front

Can a physical change be reversed?

Back

Yes, many physical changes can be reversed, like freezing and melting.

Front

Can a chemical change be reversed?

Back

No, chemical changes usually cannot be reversed easily.

Front

What happens to the molecules during a chemical change?

Back

The molecules rearrange to form new substances.