Across
- 2. when heat molecules from the substance transfer out
- 3. how much space something takes up
- 7. has a defined shape, molecules vibrate slightly
- 10. liquid turning into gas
- 12. the average kinetic energy of molecules
- 14. doesn't have a defined shape, molecules move around each other
- 15. thermal energy that gets transferred
- 18. how much the molecules of a substance are able to move around
- 19. made up of a group of atoms
- 21. when time changes but temperature does not
- 22. a change that changes the substance's molecules completely
- 23. liquid turning into solid
- 24. liquid turning into gas
Down
- 1. molecule's resistance to separate
- 4. solid skipping liquid phase into gas
- 5. gas turning into liquid
- 6. hot matter found in stars
- 8. gas skipping liquid phase into solid
- 9. doesn't have a shape, molecules move freely
- 11. when the form of an element changes
- 13. all of the kinetic energy in molecules combined
- 16. a change that makes the substance change phases
- 17. solid turning into liquid
- 20. liquid turning into gas on the surface