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    Astronomical Society of the Pacific
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    This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model. Learners will explore what cosmic radiation is and where...

    $1 - $5 per group Ages 8 - adult 5 to 10 minutes
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    Mount Holyoke College
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    In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again. Then they use a notebook (a...

    $1 - $5 per student Ages 4 - 8 10 to 30 minutes
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    The Exploratorium
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    This activity shows learners (with adult supervision) how to make a Glitter Globe, a fabulous toy that shimmers when you shake it. The ingredients of the Globe--rubbing alcohol, vegetable oil, and...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    American Museum of Natural History
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    Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners. Learners will use the periodic table as a guide and explore how atoms are made up of a nucleus of protons and...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners use colored candy to represent subatomic particles and make a model of an atom (Bohr model). This activity will help familiarize learners with subatomic components of an...

    $1 - $5 per student Ages 14 - 18 30 to 45 minutes