Across
- 2. Layer of air that surrounds Earth
- 5. The sound that lightning makes
- 7. Plants depend on this gas
- 8. All air has weight which is called...
- 13. The process by which water becomes vapor
- 14. Weather prediction
Down
- 1. Any form of water that falls from clouds
- 3. A wind storm that build up over hot land
- 4. A large amount of water vapor in the air
- 5. How warm or cold it is
- 6. The continuous cycle that water moves in
- 9. To give off
- 10. Ice crystals of frozen water vapor
- 11. Sun's heat energy changes water into this
- 12. A very small drop