Across
- 3. periods of very high temperatures
- 5. the a mount of water vapour in the air
- 8. a period of ten years
- 10. a measurement of heat
- 12. of the earth
- 13. wether balloons
- 14. when water drops from the clouds
- 15. forecasts of the future
Down
- 1. the conditions over a longer period of time
- 2. the conditions over a short period of time
- 4. the movement of air
- 6. a period of one hundred years
- 7. the layer of gases that surround earth
- 9. getting warmer
- 11. a person who studies the weather