Across
- 2. when a substance changes from a liquid to a solid
- 3. when the volume of an object is smaller and the density becomes larger
- 6. no new substance has formed
- 7. something that requires the absorption of heat
- 8. the opposite of freezing
- 10. when a substance changes from a gas to a liquid if it is cool enough
- 11. when a liquid is warmed and becomes a gas
Down
- 1. the opposite of contraction
- 3. when a new substance has formed
- 4. the change of state when a substance changes from a solid to a gas
- 5. a reaction that requires a release of heat
- 6. when a new solid is formed
- 9. when substances change from a gas to a solid