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    Children's Science Center
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    In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste. This activity includes step-by-step instructions with pictures and a "What's...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    Sciencenter
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    In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain. With this understanding, they try to find a combination of chemicals that could be used to...

    $10 - $20 per group Ages 4 - 14 10 to 30 minutes

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