Water cycle

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Across
  1. 2. rain, snow, sleet, etc.
  2. 5. an instrument used to measure relative humidity
  3. 7. lowest layer of the atmosphere; where the weather happens
  4. 10. to use material more than once
  5. 11. the loss of water vapor from a plant
  6. 14. to contaminate water
  7. 16. humidity the percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature
  8. 19. the layers of gas that surround the earth
  9. 20. when water runs through land
Down
  1. 1. being made pure, not mixed with anything else
  2. 3. the path water takes as it is being cycled through the environment
  3. 4. cloud
  4. 6. the amount of water vapor given in a volume of air
  5. 8. water in the ground
  6. 9. where water goes underground
  7. 12. where ice goes directly to the sky (tops of mts)
  8. 13. the simplest structural unit of an element or compound
  9. 15. fluid matter having no fixed shape but a fixed volume
  10. 17. layers of soil, sand and rocks that store groundwater
  11. 18. turns liquid into vapor/gas