water crossword

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Across
  1. 2. How do clouds form?
  2. 5. What planet whuld Earth look like with no water?
  3. 8. What is water called when its frozen?
  4. 10. How much of Earths water is glacier ice?
  5. 11. Who were the first people to treat water?
  6. 12. How much of Earths surface is water?
  7. 14. What is the process that water goes through?
  8. 15. what does precipitation create?
Down
  1. 1. What is the process of cleaning water called?
  2. 3. What is water called when its a fluid?
  3. 4. What is everything made of?
  4. 6. haw much of Earths water is salt water?
  5. 7. When atoms join together what are they called?
  6. 9. How much of Earths water is fresh water?
  7. 13. What is water called when its a vapor?