Across
- 4. particles vibrate and slide past one another
- 8. the change in a state of matter from a liquid to a gas
- 11. in a solid the particles are very _______ together
- 12. particles vibrate and move very fast; very far apart
- 14. cooling a substance _________ the speed at which the particles move
- 16. heating a substance _________ the the speed at which particles move
- 17. removing thermal energy
Down
- 1. the energy of a moving object
- 2. all particles have this shaking motion
- 3. the change in a state of matter from a solid to a liquid
- 5. adding thermal energy
- 6. the average kinetic energy of particles in a substance
- 7. the amount of space something takes up
- 9. the change in a state of matter from a gas to a liquid
- 10. the change in a state of matter from a liquid to a solid
- 13. particles vibrate in a fixed position; in rows
- 15. in a gas the particles are very ______ apart