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    COSI
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    In this physics activity, learners build their own rockets out of film canisters and construction paper. Learners discover how a chemical reaction (from a mix of water and Alka-Seltzer) creates gas...

    $5 - $10 per student Ages 6 - 18 10 to 30 minutes
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    In this physics activity (page 2 of the PDF), learners will construct their own walkalong glider. They will explore how air, though invisible, surrounds and affects other objects. Learners will...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes