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    Mount Holyoke College
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    In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions. The atomic models are made first from...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    Mount Holyoke College
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    In this four-part activity, learners explore how the body works and the chemistry that happens inside living things. In the first activity about molecule receptors, learners use their sense of...

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

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