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    The Exploratorium
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    In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder. The result is spectacular, and the process provides a great...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    Make
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    In this three-part activity, learners use paper to explore Bernoulli's Principle — fast-moving air has lower pressure than non-moving air. First, learners observe what happens when they hold a...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    Science Museum of Minnesota
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    Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string. All you need is a balloon, clothespin, a straw, some tape...

    1 cent - $1 per student Ages 4 - 11 30 to 45 minutes