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    PBS
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    In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo. Learners observe what happens to the compass needle when the magnet...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity and demonstration about electricity and magnetism, learners observe how the current generated when one copper coil swings through a magnetic field starts a second coil swinging....

    $10 - $20 per group Ages 8 - 18 10 to 30 minutes
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    New York Hall of Science
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    This lesson challenges groups of learners to design and construct a wind generator with the most electrical output. The lesson focuses on the engineering design process and how it is used to...

    $10 - $20 per group Ages 11 - 14 2 to 4 hours
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    Thomas Alva Edison Foundation Inc.
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    In this activity (on pages 22-25 of PDF), learners build a model of a power plant using simple materials. The activity specifically refers to a nuclear reactor, but it is a good model for the way a...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes
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    Community Science Workshop Network
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    In this meteorology activity, learners construct simple devices to measure the direction and speed of wind. Learners will explore wind and air resistance as well as how weather vanes and generators...

    $5 - $10 per student Ages 6 - 18 30 to 45 minutes
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    Museum of Science and Industry, Chicago
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    Learners build a wind turbine and test it to see how much energy is created. Learners can build a variety of wind blades, test a variety of wind speeds and see what effect these have on the energy...

    Over $20 per student Ages 11 - 18 45 to 60 minutes