Water

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Across
  1. 3. What is the name of the water supply that is a barrier constructed to hold back water and raise its level
  2. 4. What is the water that fills the cracks and spaces in underground soil and rock layers called?
  3. 5. when chlorine is added to water, what does it kill?
  4. 8. What is the first step in the water treatment process?
  5. 10. Which is the most suitable source of water for drinking?
  6. 12. What's the first stage of water treatment called?
  7. 13. what pH is drinker water?
  8. 14. Where can water be abstracted
  9. 15. what does water require before we drink it?
Down
  1. 1. What's the second stage of water treatment called?
  2. 2. Why is the demand for water increasing?
  3. 6. of manmade pollutants include
  4. 7. where does our home water come from?
  5. 9. where do these dissolved minerals come from?
  6. 11. What's the third stage of water treatment called?