Across
- 3. Like smoke
- 6. trait that you can use to describe matter by observation
- 7. measures hotness and coldness
- 12. Become different
- 13. Grinding down
- 14. dimensions of a thing
- 15. Has no definite shape or volume
- 17. form of an object or its outline
- 18. Solid to liquid
- 19. molten rock that issues from a volcano
Down
- 1. liquid to solid
- 2. process of turning from liquid into vapour
- 4. Act of combining
- 5. Takes up space
- 8. physical force exerted on an object
- 9. where water vapor becomes liquid
- 10. matter that has a defined shape and volume
- 11. a substance that flows freely but is of constant volume
- 16. extremely hot liquid and semi-liquid rock located under Earth's surface