Unit 8 Water Pollution Cross Word

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Across
  1. 5. passed in 1990 to help clean oil spills
  2. 6. biological magnification increase concentrations of these
  3. 7. land area that supplies water to rivers
  4. 11. leaking ____ wastes a lot of water
  5. 12. this is the percent of worldwide water use for domestic/personal use
  6. 13. less than this percent of water is available for use
  7. 14. the law passed in 1977 to help reduce water pollution
  8. 16. underground regions of soil saturated with water
  9. 20. freshwater category, below earth's surface
  10. 22. 3% of the earth's water is this
Down
  1. 1. we can easily identify this pollution
  2. 2. 97% of the earth's water is this kind
  3. 3. organisms that cause disease
  4. 4. 70% of worldwide water use is for this
  5. 8. resource that cannot be remade or regrown
  6. 9. this type of pollution can be caused by disease
  7. 10. the key to preventing pollution is to reuse, reduce and ______
  8. 15. resource that is natural and can be replenished
  9. 17. 20% of worldwide water use is for this
  10. 18. this is water that flows over land, not absorbed
  11. 19. an example of a nonrenewable energy resource
  12. 21. 70-75% of the earth's surface is covered with this