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Water Cycle

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  • 1. Water Cycle KMS 6 th Science Schriner & Littlejohn
  • 2. Starter: Using pictures and words define the following in your notebook
    • Water Cycle
    • Evaporation
    • Condensation
    • Precipitation
    • Transpiration
  • 3. Water Cycle
    • Amount of H2O on Earth does not change
    • Water changes forms & location
  • 4. Oceans, Lakes, Rivers, etc
    • 97% of Earths water is in Oceans
    • Water molecules near surface of Oceans, Lakes, Rivers, etc gain enough Energy from the Sun to become Water Vapor (Evaporation)
    • The salt and other elements remain in ocean
  • 5. Evaporation – Factors Effecting
    • Temp of Air
    • Temp of Liquid
    • Wind
    • Surface Area
    • Type of Liquid
  • 6. Transpiration & Perspiration
    • Transpiration- plants release water
    • Perspiration – animals release water
  • 7. Condensation
    • As water molecules cool they come back together and form water droplets
    • Condensed water forms clouds
    • Ex. Water on cold soda can or window
  • 8. Precipitation
    • When the water Drops become so heavy they fall out of sky (Rain, Hail, Snow)
    • Most Precipitation falls on the Oceans
  • 9. Runoff
    • Surface runoff can be generated either by rainfall or by the melting of snow or glaciers .
  • 10. Collection
    • Water collects in lakes, rivers, ponds
  • 11. Groundwater
    • Water that has percolated underground
  • 12. Research Topics
    • Water Supply & Demand (p. 91)
    • Conserving Water (p. 92)
    • Fresh Water for the Future (p. 93)
    • Human Waste Pollution (p. 99)
    • Industrial Waste Pollution (p. 100)
    • Agricultural Waste Pollution (p. 102)
    • Runoff Pollution (p. 102)
    • Cleaning up Pollution (p. 103)
    • Preventing Pollution (p. 103)
  • 13.  
  • 14.