Question

1. A ____________________ occurs when two or more substances interact forming a new substance.

A. Physical change

B. Chemical change ****

C. Ecosystems

D. Physical reaction

2. Is iron rusting a Physical or Chemical Change?

A. Physical Change

B. Chemical Change ****

3. Is paper tearing a Physical or Chemical Change?

A. Physical Change ****

B. Chemical Change

4. Is wood burins a Physical or Chemical change?

A. Physical Change

B. Chemical Change ****

5. Which of the following is NOT a sign of a Chemical Change?

A. Combustion/burning

B. Bubbling/fizzing

C. Precipitate

D. Changing shape ****

6. Which is NOT a sign of a Physical Change?

A. Unexpected color change ****

B. Changing texture

C. Changing temperature

D. Changing state of matter

7. Is chopping vegetables a Physical or Chemical Change?

A. Physical ****

B. Chemical

8. Is fireworks going off (exploding) a Physical or Chemical Change?

A. Physical

B. Chemical ****

9. Is boiling water a Physical or Chemical Change?

A. Physical

B. Chemical ****