Across
- 3. Chemistry is a study of______
- 4. _____ has no fixed volume
- 6. changing a gas to a solid
- 9. does not float easily
- 10. They are very closely packed
- 12. Particles ______ constantly
Down
- 1. LPG is highly ________
- 2. What are molecules made of
- 5. One of the three forms of matter
- 7. when a gas goes straight to a solid
- 8. They can be easily be compressed
- 11. _______ particle moves faster