Across
- 2. river water or rainwater
- 4. a loose aggregation of small water-worn or pounded stones
- 10. Pertaining to a rock that is incapable of transmitting fluids because of low permeability
- 11. water flows over a vertical drop
- 13. water found underground in the cracks and spaces in soil
- 14. Water from rain
- 15. the level below which the ground is saturated with water
- 16. generally flat area of land next to a river or stream
- 17. body of rock and sediment that holds groundwater
- 19. A burst of very heavy rain that causes a sudden flood
Down
- 1. a river or stream flowing into a larger river or lake
- 3. portion of land drained by a river and its tributaries
- 5. a large natural stream of water flowing in a channel to the sea
- 6. portion of the subsurface above the groundwater table
- 7. artificial lake used as a source of water supply
- 8. Its rain but much stronger
- 9. sharply angled land
- 12. a low area of land between hills or mountains
- 13. huge mass of ice that moves slowly over land
- 18. overflow of water that submerges land that is usually dry