Across
- 3. the least permeable
- 4. a tributary stream of a river, close to its source
- 6. water that sits on top of the Earth's surface
- 9. saturated area below the water table
- 11. chemicals like oil spills, garbage fertilizers in the water
- 13. amount of rain or snow a watershed gets
- 14. water under the Earth's surface
- 16. a network of a main river and its tributaries
- 17. is an area of land that drains into a particular body of water
- 20. the amount of water the ground has
Down
- 1. water on the ground seeping into the soil
- 2. whether or not water can go into the ground
- 5. water moving through plants and out of the leaves
- 7. the average amount of permeability
- 8. something that keeps rivers from connecting
- 10. water to gas
- 12. the life in the water
- 15. storing water, and increases the amount of evaporation
- 18. water runs along the land's surface
- 19. the most permeable