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    COSI
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    In this physics activity, learners experiment with the attractive and repulsive power of magnets. They move a grape using a Neodymium Magnet, and explore how the strong magnet repels the water in...

    $5 - $10 per group Ages 4 - 11 30 to 45 minutes
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    COSI
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    In this physics activity (page 4 of the PDF), learners will explore how similar magnetic poles repel one another. They will rely on linear induction to race magnets around a simple course. Although...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    COSI
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    In this activity about magnetism (page 11 of the pdf), learners will experiment with magnets to explore how opposite poles attract and similar poles repel in magnetism. Then, learners figure out...

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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    Twin Cities Public Television
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    In this online Flash game, learners investigate the very different behavior of forces at the nanoscale. Learners navigate nanobots of their own design across challenging terrain, and must pay close...

    free Ages 6 - 14 5 to 10 minutes
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    University of Kansas
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    In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects. Learners charge various materials and observe their...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Kohl Children's Museum
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    In this activity, learners investigate how different materials repel or absorb water. Learners use spray bottles to explore how everyday items like sponges, cardboard, feathers, etc. respond to...

    $1 - $5 per group Ages 4 - 8 30 to 45 minutes
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    The Exploratorium
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    In this activity related to magnetism and electricity, learners observe as two parallel, current-carrying wires exert forces on each other. Learners will discover that these forces push the wires...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes
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    WGBH
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    In this activity, learners make an electroscope out of a foam cup, straw, aluminum pie pan, thread, and foil. Learners use their electroscopes to test for static electricity. Demonstrate electric...

    $5 - $10 per student Ages 6 - 11 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners conduct a simple experiment to see how electrically charged things like plastic attract electrically neutral things like water. The plastic will attract the surface of...

    free Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    In this simple activity, learners create an electroscope by sticking two short pieces of magic tape together and then pulling them apart to find the sign of the charge on an unknown charged object....

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes

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