The Water Cycle

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Across
  1. 4. An artificial or natural lake where water is collected as a water supply
  2. 7. The process in which water vapor changes to liquid water
  3. 9. Water found in rivers and lakes
  4. 10. Water vapor (rain, snow etc.) that condenses and falls to earth
  5. 13. The study of water
  6. 15. The process by which snow or ice changes directly to water vapor
  7. 16. The elimination of waste products from an organism
  8. 18. The use of water for growing crops
Down
  1. 1. The process in which liquid water becomes water vapor
  2. 2. The process of inhalation and exhalation
  3. 3. Water that is continually being recycled and refreshed
  4. 5. Water from rain or snow that flows from the ground into streams
  5. 6. Preserving and using water wisely
  6. 8. A severe water shortage
  7. 10. Things that dirty the air or water
  8. 11. Evaporation of water from plant leaves
  9. 12. The process in which water on the ground enters the soil
  10. 14. Water that is found underground
  11. 17. Extremely dry