Across
- 6. always
- 7. part of the Earth’s atmosphere
- 9. to turn around very quickly
- 10. to happen
- 11. the measurement of how hot or cold sth is
- 12. a chemical compound of nitrogen and oxygen
- 15. turning around in circles
- 16. unusual
- 18. positive side
Down
- 1. amazed; shocked
- 2. area
- 3. a body of water that runs below the ground
- 4. very strong and causing a lot of damage
- 5. to hit sth very hard
- 8. cause sth to be in its previous condition again
- 13. make sth start burning
- 14. person who sees sth happening
- 15. a fire that spreads quickly and goes out of control
- 17. an unexplainable event that people believe is caused by a god; wonder