All About Water

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Across
  1. 2. the solid form of water, produced by freezing
  2. 4. salt water that cover the greater part of earth's surface
  3. 6. to consume, spend, or employ uselessly
  4. 9. a source of supply, support, or aid
  5. 11. place where water is collected and stored for use
  6. 14. introduction of harmful substances into the environment
  7. 17. a body of fresh or salt water of considerable size, surrounded by land
  8. 18. gradual increase
  9. 19. prevention of waste; preservation
  10. 20. any complete round that repeats or is repeated
Down
  1. 1. water fallen as rain
  2. 3. a transparent, odourless and tasteless liquid
  3. 5. newly made or obtained
  4. 7. a body of water flowing in a channel or watercourse
  5. 8. the process of removing salt from sea water
  6. 10. fresh water that can be found deep underground
  7. 12. a precipitation in the form of ice crystals
  8. 13. costly
  9. 15. vast body of salt water that covers almost three fourths of earth's surface
  10. 16. suitable for drinking