Water Crossword Puzzle

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Across
  1. 4. Degrees Fahrenheit when water freezes.
  2. 6. The thawed state of water.
  3. 8. Percent of water in a human body.
  4. 11. rain, snow, sleet, hail.
  5. 13. Water as gas in the air.
  6. 14. The frozen state of water.
Down
  1. 1. First people to treat water.
  2. 2. Number of water molecules in a single drop of water.
  3. 3. Degrees Fahrenheit when water boils.
  4. 5. Percent of water in an apple.
  5. 7. Without water the earth would look like this.
  6. 9. Percent of water in glaciers.
  7. 10. First country to use chlorine to kill germs.
  8. 12. The evaporated state of water.