1. Chemical or Physical Change?

2. Cutting paper?

3. Chemical Change Creates a new substance Cannot be reversed New substance formed has new properties

4. Physical Changes Can be reversed No new substances are created May have only changed shape, state of matter, or size.

5. Chemical or Physical Change? Ice melting?

6. Chemical or Physical Change? Toast burning?

7. Chemical or Physical Change? Lava cooling?

8. Chemical or Physical Change? Rocket fuel burning?

9. Chemical or Physical Change? Sawing wood?

10. Chemical or Physical Change? Metal rusting?

11. Chemical or Physical Change? Disappearing puddle?

12. Chemical or Physical Change? Candle burning?

13. Chemical or Physical Change? Dry ice?