Wind Energy
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Wind Energy

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Wind Energy Wind Energy Presentation Transcript

  • Investigate Green Schools Lesson 4 Wind Energy
  • The 8-Step Action Plan Lesson 4
    • Awareness
    • Issues
  • 6 forms of energy A story…
  • The sun was out… (Nuclear)
  • And shining on the earth. (Radiant)
  • It was such a nice, sunny day, some people were out playing a game of catch… (Mechanical)
  • When the sun’s rays hit the people, they got hot. (Thermal)
  • It wasn’t only the people enjoying the sunny day. The plants used the sun’s radiant energy to make food for themselves. (Chemical)
  • But before long, the clouds covered the sun and a thunderstorm rolled in. (Electrical)
  • The End (Electrical) (Chemical) (Thermal) (Mechanical) (Radiant) (Nuclear)
  • Coal Chain A review…
  • now try to turn it into a Wind Chain
  • what is wind?
  • wind: Wind is air in motion. But what causes it to move?
  • Wind is produced by the uneven heating of the earth’s surface by energy from the sun.
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  • how do we measure the wind? Wind Vane Anemometer
  • How do we use that information?
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  • Amount of energy produced depends on size of the turbine and the speed of wind
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  • The blades of a wind turbine have the most important job of any wind turbine component – they must capture the wind and turn it into usable mechanical energy .
  • Which Blades are Best? Activity