Section 11.3 Crossword Puzzle

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Across
  1. 3. a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.
  2. 8. any water that has been affected by human use.
  3. 13. fresh water on Earth’s land surface
  4. 14. the ability of rock or soil to allow water to flow through
  5. 16. pollution coming from several sources
  6. 18. the percentage of the total volume of a rock that has spaces(pores)
  7. 19. pollution coming from one source
  8. 20. safe to drink; drinkable.
Down
  1. 1. a bacterium, virus, or other microorganism that can cause disease.
  2. 2. The buildup of pollutants at higher levels of the food chain.
  3. 4. is caused by humans. A natural process when lakes and streams contain an abundance of nutrients.
  4. 5. streams and rivers that move across land and form a network of water
  5. 6. a large natural or artificial lake used as a source of water supply.
  6. 7. zone an area of the Earth’s surface from which water percolates down into an aquifer
  7. 9. the area of land that is drained by a river
  8. 10. Thermal pollution happens when the body of water, such as a lake or stream, increase. Can kill fish.
  9. 11. an underground formation that contains groundwater
  10. 12. a process that takes away mineral components from saline water.
  11. 15. the pollution of bodies of water, such as lakes, rivers, seas, the oceans, as well as groundwater.
  12. 17. water beneath the Earth’s surface in sediment and rock formations