Water Crossword Puzzle

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Across
  1. 3. water under the ground that supplies springs and wells
  2. 4. a water source under ground
  3. 5. water as a gas in the air
  4. 8. water moves from the earth to the air and to the earth again
  5. 11. water moving downward through openings in the soil
  6. 14. liquid water becoming a gas
Down
  1. 1. these people were the first people to treat water
  2. 2. water that runs along the soil and goes into lakes and rivers
  3. 4. what is one phase of water
  4. 6. rain, snow, sleet, or hail
  5. 7. water vapor becoming a liquid or a solid
  6. 9. we drink this
  7. 10. the first country to use chlorine to kill germs
  8. 12. number of hydrogen atoms in one molecule
  9. 13. number of oxygen atoms in one molecule