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    North Carolina State University
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    In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water. Learners also have the option to take part...

    $1 - $5 per student Ages 6 - adult 1 to 7 days
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    COSI
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    In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own. They will grow and compare three types of crystals and explore how a crystal forms as...

    $1 - $5 per student Ages 6 - 14 1 to 7 days

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