Story of Drinking Water

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Across
  1. 3. Water ___ at 212 Degrees Fahrenheit
  2. 5. There are three ___ in a single drop of water.
  3. 8. Water under the ground
  4. 12. What percent of Earth's water is salt water?
  5. 13. Water vapor becomes a liquid.
  6. 14. Who were the first people to record methods for treating water??
  7. 15. Cycle Water moves from Earth, to air, then back to Earth.
Down
  1. 1. First country to use chlorine to kill germs.
  2. 2. What would Earth look like without water.
  3. 4. Water ____ at 32 Degrees Fahrenheit
  4. 6. Liquid water becomes a gas.
  5. 7. Main way to clean water
  6. 9. Vapor Water as a gas in the air.
  7. 10. Rain, snow, sleet, or hail
  8. 11. What percent of Earths surface is water?