Water

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Across
  1. 4. What ions are present in water that’s run over calcium sulphate?
  2. 5. Name the source of water
  3. 11. Which bedrock leads to temporary water hardness
  4. 12. What is the process called slows down the flow of the water and allows large, insoluble particles to settle to the bottom?
  5. 13. What M does hard water contain?
  6. 14. A natural source of water that makes you wet.
  7. 15. What "D" do you use water for?
  8. 18. What other ion makes water hard?
Down
  1. 1. Where do dissolved minerals come from?
  2. 2. Name one positive of hard water
  3. 3. What "V" is also a natural pollutant
  4. 6. Name 1 problem that results from having hard water
  5. 7. What stage of water treatment is stage 2?
  6. 8. Where can you abstract water from?
  7. 9. What process is used to sterilise our water?
  8. 10. What do you use water for?
  9. 16. What is the common name for calcium sulphate
  10. 17. what "B" is a natural pollutant?