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Edu 290 part 1

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  • 1. The Water Cycle By Colleen Lierman
  • 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. Evaporation• The process where water because vapor• Water evaporates into the atmosphere
  • 4. Example of Evaporation• After rainfall, water “evaporates” from the ground• Changes from a liquid to a gas
  • 5. Where Does The Water Come From?• Oceans – Comes mostly from here• Lakes• Ponds• Rivers
  • 6. Fresh Water• 97% ocean water• About 3% fresh water – Of the 3 percent: 2.15% glaciers, 0.62% ground water
  • 7. The 4 Oceans• Pacific• Indian• Atlantic• Artic
  • 8. Condensation• Process where vapor turns into a liquid state
  • 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. Precipitation• Any form of liquid or solid that comes from atmosphere
  • 11. Examples of Precipitation• Snow• Hail• Rain• Sleet
  • 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. 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. Can We Drink Rain Water?• Unsafe to drink• Contains: – Bacteria – Pollutants – Soil
  • 15. What Contaminates Ground Water?• Oil spills• Landfills• Septic Tanks• Animal Waste• Ground Fertilizer
  • 16. ReferencesThe Water CycleEvaporationCondensationPondPrecipitationSnowNotes from Martin Steinbis PowerPoint Slides(Geology 100)