Across
- 2. at the mouth of a river where the river deposit all its sediment
- 5. the land area that supplies water to a river system
- 9. a well in which water rises because of pressure within the aquifer
- 12. characteristics of materials that allow water to easily pass through them
- 13. a small stream or river that flows into a bigger river
- 16. when one water shed is separated from another by a ridge of land
- 17. the point where a river flows into another body of water
- 19. a natural or artificial lake that stores water for human use
- 20. a type of hot spring in which the water is under pressure and bursts periodically into the air
Down
- 1. tiny openings in the soil which may contain air or water
- 3. an underwater layer of rock or soil that holds water
- 4. the many small streams that come together that come together at the source of a river
- 6. a layer of permeable rock or soil in which the cracks and pores are totally filled with water
- 7. a broad, flat valley through which a river flows
- 8. a huge mass of ice and snow that moves slowly over land
- 10. characteristics of materials through which water does not easily pass through such as clay and granite
- 11. an area of land that is covered with a shallow layer of water during some or all of the year
- 14. new water that enters an aquifer from the surface
- 15. remaining water that flows over the ground surface
- 18. a long ridge formed from by deposits of sediments alongside a river channel
