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