Across
- 3. the least compact state of matter
- 7. the state where molecules slide past each other
- 10. the movement of heat by a fluid
- 11. the fast process of liquid to gas
- 13. gas to liquid
- 15. when the substance of matter change
- 16. the average kinetic energy of molecules
- 18. liquid to solid
Down
- 1. liquid to gas
- 2. the transfer of energy from one molecule to another
- 4. solid to gas
- 5. the transfer of heat by electromagnetic waves
- 6. transitions between different phases of matter
- 8. the total kinetic energy of molecules
- 9. the most compact state of matter
- 12. the slow process of liquid to gas
- 14. solid to liquid
- 17. when appearance changes- not substance