Across
- 3. When a solid turns into a liquid
- 4. the process of turning from liquid into vapour.
- 9. When gas gets below a temperature and becomes a liquid
- 10. When water hits a certain temperature
- 11. the spreading of something more widely.
- 13. the model of a particel
- 15. becoming liquefied by heat.
- 16. a means of solving a problem or dealing with a difficult situation.
Down
- 1. when something contractes
- 2. the action of becoming larger or more extensive.
- 5. cause (a substance) to be deposited in solid form from a solution.
- 6. the opposite of sublimation
- 7. a change that is only physical
- 8. accompanied by the release of heat.
- 12. below 0°C.
- 14. accompanied by or requiring the absorption of heat.