Across
- 1. liquid precipitation
- 3. The water ___ is the process of how water moves on Earth.
- 5. When a ___ transpires, it releases water from its leaves.
- 6. natural or manmade lake that holds water for humans to use
- 8. permeable rock that holds groundwater
- 11. giant piece of freshwater ice
- 14. freshwater under Earth's surface
- 16. system of all of Earth's living things
- 17. system of all of Earth's water
- 18. layer of gases around Earth's surface
Down
- 2. giant sheet of ice at the North Pole or South Pole
- 4. change from liquid to gas
- 7. where freshwater meets oceanwater
- 9. frozen precipitation
- 10. system of all of Earth's rocks and land
- 12. change from gas to liquid
- 13. water draining off of surfaces
- 15. Only freshwater is _____ by humans.