Across
- 2. a smaller stream flowing into a larger river
- 4. where land dips below the water table, exposing groundwater
- 6. 97% of all water on Earth is located here
- 7. where freshwater is stored underground
- 10. land where water table is at the surface most of the year
- 12. where a river begins
- 14. a man-made structure used to retrieve groundwater
- 17. describes a material that is filled with water
- 18. property of water describing water attracted to water
Down
- 1. describes a material that liquids can pass through
- 3. all land drained by a river and its tributaries
- 5. the river basin we live in
- 8. most of freshwater on Earth is found in this form
- 9. the process of water seeping into soil
- 11. the process of bringinging water to land for crops
- 13. what percentage of the Earth is covered in water
- 14. the water level in an aquifer
- 15. areas of higher elevation separating river basins
- 16. type of wetland with tall grasses
- 17. one of the seasons during which lake turnover occurs