Across
- 3. You can squash
- 6. Helps digest food
- 8. most common element in the Earth's atmosphere
- 9. can be hammered into shape without cracking
- 10. it changes directly into gas, without first becoming liquid
Down
- 1. able to dissolve
- 2. The particles spreads out to form a gas
- 4. makes a ringing sound
- 5. colorless gas
- 7. getting bigger