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    Institute of Physics
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    In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum. Learners will compare how high the balls bounce when bounced individually or...

    free Ages 4 - adult Under 5 minutes
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    Colorado State University
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    In this exploratory activity, learners experiment, observe and determine how various toys change from one form of energy to another. Learners play with a pull-back race car, a groan tube, a popper,...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes