Across
- 3. It happens in summer and there is no rain
- 6. People who are helping for free
- 8. Our biggest fear that makes ice liquid
- 9. How ***** are you?
- 10. Lots of trees giving us a fresh air
Down
- 1. Our biggest mistake
- 2. This happens because of pollution
- 4. It happens because of heating on the north and south
- 5. One of the biggest disasters
- 7. It powers devices
- 11. The layer of atmosphere that keeps earth warm