Across
- 5. going from gaseous to liquid state
- 6. strong attraction between molecules
- 7. arrangement of the molecules in a solid
- 8. particles fixed in place
- 10. particles free to move about
- 12. substance which cannot be compressed
- 13. going from liquid to gaseous state
Down
- 1. molecules in a constantly random motion
- 2. passing from liquid to solid state
- 3. heat makes the molecules move faster as they gain energy
- 4. passing from solid to liquid state
- 9. particles free to move within a container
- 11. particles can vibrate around an equilibrium position