Across
- 4. the change of phase from liquid to gas
- 8. the state where molecules move around each other
- 9. the regular structure of molecules in a crystal
- 11. the change of phase from liquid to solid
- 12. the basic unit of a chemical element
- 16. the change of phase from gas to liquid
- 17. examples of this include solid, liquid, and gas
- 18. the change from gas to solid without becoming liquid
- 20. A continuous physical force exerted on or against an object by something in contact with it
- 21. a moon of Saturn which had a methane lake
- 22. anything that takes up space and has mass
- 23. the state where molecules can move apart
Down
- 1. an atom or a group of atoms bonded together
- 2. process of breaking molecular bonds
- 3. the state where molecules move in place
- 5. the likelihood of molecules staying together
- 6. the type of energy related to movement
- 7. the change of phase from solid to gas without becoming liquid
- 10. the change of phase from solid to liquid
- 13. the amount of space an object takes up
- 14. the liquid and gas on Titan
- 15. a state change is this kind of change
- 19. the amount of thermal energy in an object
- 21. the type of energy related to heat