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    Twin Cities Public Television
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    This activity is a full inquiry investigation into g-force and acceleration. Groups of learners will construct their own accelerometers. Then, with permission from their local amusement park, they...

    $5 - $10 per student Ages 8 - 14 1 to 7 days
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    The Exploratorium
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    In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.). The device produces a record of...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    COSI
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    In this physics activity, learners will explore buoyancy. They will use a variety of objects to practice their prediction skills (what will and won't float) and discover why some things are...

    1 cent - $1 per student Ages 4 - adult 10 to 30 minutes