Across
- 4. liquid turns to gas
- 6. the temperature at which a solid turns into a liquid
- 9. gas turns to liquid
- 11. gas turns into solid
- 12. solid turns to liquid
- 14. molecules are tightly packed and vibrating
- 15. anything that takes up space and is a solid, liquid, or gas
Down
- 1. solid turns into gas
- 2. the temperature at which a liquid turns into a gas
- 3. molecules are moving around very fast and bouncing off the walls
- 5. molecules are moving more freely and bouncing into one another
- 7. liquid turns to solid
- 8. the temperature at which a liquid turns into a solid
- 10. the amount of space something takes up
- 13. causes molecules to speed up or slow down