Edu 290 part 1

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Edu 290 part 1

  1. 1. The Water Cycle By Colleen Lierman
  2. 2. What is the Water Cycle?• Process where water circulates through the atmosphere• 4 processes that occur during Water Cycle – Evaporation – Condensation – Precipitation – Collection
  3. 3. Evaporation• The process where water because vapor• Water evaporates into the atmosphere
  4. 4. Example of Evaporation• After rainfall, water “evaporates” from the ground• Changes from a liquid to a gas
  5. 5. Where Does The Water Come From?• Oceans – Comes mostly from here• Lakes• Ponds• Rivers
  6. 6. Fresh Water• 97% ocean water• About 3% fresh water – Of the 3 percent: 2.15% glaciers, 0.62% ground water
  7. 7. The 4 Oceans• Pacific• Indian• Atlantic• Artic
  8. 8. Condensation• Process where vapor turns into a liquid state
  9. 9. Example of Condensation• Dew on the windows of a car early in the morning• Water dripping from your cup on a hot day
  10. 10. Precipitation• Any form of liquid or solid that comes from atmosphere
  11. 11. Examples of Precipitation• Snow• Hail• Rain• Sleet
  12. 12. Collection• When a substance that falls from the atmosphere goes back into a lake, ocean, or river• Can also be soaked into the ground• Process starts over at this step
  13. 13. Example of Collection• Water runs off into a body of water• Some water absorbs into ground• Rivers, lakes, or oceans can over fill because of excessive rainfall causing a flood
  14. 14. Can We Drink Rain Water?• Unsafe to drink• Contains: – Bacteria – Pollutants – Soil
  15. 15. What Contaminates Ground Water?• Oil spills• Landfills• Septic Tanks• Animal Waste• Ground Fertilizer
  16. 16. ReferencesThe Water CycleEvaporationCondensationPondPrecipitationSnowNotes from Martin Steinbis PowerPoint Slides(Geology 100)

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