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    Lunar and Planetary Institute
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    In this activity, learners shrink the scale of the vast solar system to the size of their neighborhood. Learners are challenged to consider not only the traditional "planets," but also...

    Ages 8 - 14
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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...

    Ages 8 - 18

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