Water Cycle and Treatment

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Across
  1. 4. this paper is used to remove insoluble particles
  2. 9. Lake where drinking water is stored
  3. 10. Chemical added to water tank where settling occurs
  4. 11. these form when water condenses
  5. 13. Heat from causes water to do this
  6. 14. Passing of water though beds of sand
Down
  1. 1. Used to kill bacteria in water
  2. 2. passing water though a wire mesh
  3. 3. Disease caused by bacteria in untreated water
  4. 5. This heat resistant glass sounds like it has a face on it
  5. 6. The process where a mineral is added to water to prevent tooth decay
  6. 7. Plants lose water into the air
  7. 8. Breathing in and out
  8. 12. Clumping of particles caused by aluminium sulfate