Across
- 2. during thermal expansion, particles move (faster or slower)
- 4. you can change its shape, but not its volume
- 5. you can change both its shape and volume
- 6. burning a piece of paper is a ...... change.
- 7. rain falls because vapor becomes liquid water. This change is called ...
- 9. when the ice cream becomes liquid because of the sun, the change is called ...
Down
- 1. change from liquid to gas (or vapor)
- 2. when you put liquid water becomes solid the change is called
- 3. you can neither change its shape nor its volume
- 8. expansion, as you heat a metal, this extends. How do you call this process?