Water Cycling &Treatment

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Across
  1. 2. make water safe for consumption
  2. 4. water cycle
  3. 5. water moving downwards through soil
  4. 7. make water unfit for consumption
  5. 10. aerobic process in which water is produced as a by-product
  6. 12. water flowing from the surface of the ground into water bodies
  7. 13. movement of water through rocks and into underground water
  8. 14. water vapour changing to liquid
Down
  1. 1. water returning to the earth's surface as rain, snow or hail
  2. 3. collection of similar bacteria
  3. 6. loss of water from plant to atmosphere
  4. 8. changing of water from liquid to gas
  5. 9. simple purification method
  6. 11. special cloth used to filter water