Across
- 4. the amount of space something occupies
- 5. solid turning to gas without being liquid
- 8. a liquid that builds up to make ice
- 9. makes molecules speed up
- 11. solid, liquid, gas
- 12. weight
- 14. turning gas to liquid
- 15. a form of gas
- 16. solid turning to a liquid with heat
- 17. most basic building blocks of matter
- 19. takes shape of its container
Down
- 1. a gas to solid without being liquid
- 2. something you can see
- 3. a group of atoms
- 6. anything that takes up space
- 7. liquid turning to solid when getting cold
- 9. turning liquid to gas
- 10. small objects like dirt
- 13. has no fixed shape
- 18. has dense shape