unit 4 vocab

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Across
  1. 3. Does not contain any salt and can be rivers, lakes, streams,ponds, and wetlands
  2. 5. the volume of open spaces in rock or soil
  3. 6. Subsidence The gradual sinking of land. The condition may result from the removal of groundwater or oil, which is frequently instrumental in supporting the overlying rock and soil.
  4. 7. the large circular surface current pattern found in each ocean
  5. 8. the amount of water in a stream that passes a given point in a period of time
  6. 13. table The upper level of the saturated zone of groundwater
  7. 14. An attraction between molecules of different substances
  8. 16. A body of rock or sediment that stores groundwater and allows the flow of groundwater.
  9. 19. A chemical intended to kill insects and other organisms that damage crops.
  10. 20. basin The area of land drained by a river and its branches.
  11. 21. excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
  12. 22. source pollution pollution that enters a body of water from a specific source; "You can easily point to it"
  13. 23. source pollution water pollution that does not have a specific point of origin; "You cannot easily point to it.
  14. 24. the process by which surface water enters the soil
  15. 25. circulation an oceanic circulation pattern driven by differences in temperature and salinity (saltiness)
Down
  1. 1. of saturation zone where all open spaces in sediment and rock are completely filled with water
  2. 2. an area of land that drains all the streams and rainfall to a common outlet
  3. 3. The area subject to flooding during a given number of years according to historical trends.
  4. 4. water mixture of fresh and salt water
  5. 9. water that flows over the ground surface rather than soaking into the ground
  6. 10. A habitat in which the fresh water of a river meets the salt water of the ocean.
  7. 11. Evaporation of water from the leaves of a plant
  8. 12. the uneven distribution of electrical charge in a molecule. They have positive and negative ends, like a magnet.
  9. 15. Attraction between molecules of the same substance
  10. 17. heat The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius
  11. 18. Ability of rock or soil to allow water to flow through it