Water Systems Crossword

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Across
  1. 4. an impervious layer of clay, silt or rock through which water cannot move quickly
  2. 6. the volume of fluids that pass through an area at a certain amount of time
  3. 8. a steep sided depression in the ocean floor that forms when one of the earth's plates slides under another
  4. 9. the area beneath the water table where water fills the spaces in the gravel, sand, silt, or rock
  5. 11. an underground zone of rock or soil that contains and yields water
  6. 12. water that contains a low concentration of dissolved salts
  7. 13. an area surrounded by high land in which all water runs to a common destination
Down
  1. 1. water that has soaked into the earth often between saturated soil and rock
  2. 2. the waste water from washing machines, baths, sinks, and like products - relatively clean
  3. 3. the rising and falling of the ocean surface due to the different gravitational pulls of the sun and the moon
  4. 5. sudden local flooding typically caused by heavy rainfall
  5. 7. a combination of interacting or interdependent parts that form a unified whole
  6. 10. the carrying away of soil particles by wind, water, or glacial ice