Learning

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Across
  1. 3. when water changes from liquid to gas
  2. 4. something living
  3. 5. land area that drains to a common body of water
  4. 9. a chemical substance added to soil
  5. 11. cloudy water which blocks sunlight
  6. 12. contamination of Earth's land
  7. 14. the erosion of soil into rivers
  8. 16. natural stream of water
  9. 17. pollution that can cause disease, death, and/or birth defects
  10. 18. areas where the land is covered by water
  11. 19. pieces of garbage
  12. 20. too many nutrients in water which cause too much algae to grow
Down
  1. 1. water water that fills the cracks in ground
  2. 2. something nonliving
  3. 6. farm work
  4. 7. too many microorganisms in water which can make you sick
  5. 8. really small pieces of plastic
  6. 10. draining away of water
  7. 13. Changes every day
  8. 15. a stream or river that flows into a larger body of water
  9. 18. a liquid used for many thinks like drinking