Across
- 3. Liquid to gas at surface over varying temperatures
- 6. Gas back into a liquid
- 7. Fixed volume and shape; particles vibrate in place
- 8. Gaseous phase of a substance normally liquid or solid
- 12. Solid to liquid
- 13. Fixed volume; takes shape of container
- 15. Change of state from liquid to gas at a specific temperature
- 17. Measure of average kinetic energy
- 19. Solid transforms directly into a gas
- 20. Spreading of particles from high to low concentration
Down
- 1. Temperature at which pure solid becomes liquid
- 2. Amount of space occupied by matter
- 4. Temperature at which liquid changes to gas
- 5. Rapid back-and-forth movement in solids
- 9. Force exerted on container walls by gas particles
- 10. Gas directly into a solid
- 11. Energy gained by particles when heated
- 14. Liquid to solid
- 16. Fills any space; no definite shape or volume
- 18. A space with no particles or matter in it