Across
- 4. water found in lakes, rivers, and glaciers
- 8. name of the largest lake in the U.S.
- 9. a mixture of river water and saltwater
- 10. flat area of land that is flooded
- 13. when water strips away nutrients from the ground
- 14. a layer of permeable rock that holds lots of water
- 15. the second largest icesheet
- 17. tiny spaces in soil and rock
- 18. an area of land that drains water into a stream
- 20. the line that separates the saturated and unsaturated zones
- 21. when all pores are filled with water
Down
- 1. a system that contains all the water on Earth
- 2. measures how easily water flows through pores
- 3. the percentage of water on the surface of Earth
- 5. water from the sea and ocean
- 6. water found beneath the surface of Earth
- 7. giant masses of ice that cover 10% of Earth's surface
- 11. when all pores are filled with air
- 12. water that flows over the surface of Earth
- 16. large extensions of ice that spread in all directions
- 19. the largest icesheet
