Envi. Sci water project

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Across
  1. 2. A hole dug into an aquifer to reach ground water is called a
  2. 3. Obstruction's placed in a river or stream to block its flow
  3. 5. Water found below Earth’s surface
  4. 8. All of the land area that supplies water to a particular river system
  5. 10. Water that flows over land and has not been absorbed into the ground
  6. 11. The boundary between the two zones is the
  7. 12. Layers with few or no pores are called
  8. 14. The process of moving water from its source to places where humans use it, such as homes and farm fields, is called
  9. 15. Layers containing spaces, or pores, through which water can pass are called
  10. 16. Large lakes that store water for human use
Down
  1. 1. Any area where surface water soaks into the ground and reaches an aquifer below is called the
  2. 4. Sponge-like formations of rock, sand, or gravel that hold water
  3. 6. Water moves downhill according to gravity, form-ing a network of connected streams and rivers called a
  4. 7. Water found on Earth’s surface
  5. 9. Water that is relatively pure with few dissolved salts
  6. 13. The buildup of salts in the surface layers of soi