Across
- 3. a substance diffused in the air
- 5. energy this component as the source of nuclear energy
- 8. gas to liquid without becoming a solid
- 9. when water becomes gas
- 11. when molecules get heated up they get ______
- 12. when you leave a solid out for to long it ______
- 14. anything that takes up space
- 15. when a liquid becomes a gas
- 16. solid,gas _____
- 17. solid,liquid ____
- 19. tiny little things that float in the air
Down
- 1. when a solid becomes into a gas without becoming a liquid
- 2. the amount of space a substance takes up
- 4. something that has weight
- 6. when molecules get cooled down they get ______
- 7. when a solid becomes a gas but liquid first
- 10. solid,liquid,gas
- 11. when a liquid gets really cold it _______
- 13. needed to create conditions for matter to change states
- 18. gas,liquid ______