Across
- 3. the amount of water vapor in the air is called________.
- 5. gas into liquid
- 7. many creatures, including humans reply on _________.
- 8. liquid state to gas
- 9. 71% of earth's surface is covered with _____.
- 10. amount of water evaporating is _____ to the amount falling back to earth as precipitation.
Down
- 1. where water molecules in ice break away into the air
- 2. _______ can be rain ,snow, sleet or hail.
- 4. water vapor released by plants is called ________.
- 6. the water on earth is constantly ________.
