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    The Exploratorium
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    In this chemistry activity, learners explore the amount of copper in a new penny. Learners use toilet bowl cleaner to hollow out the interior of a penny with zinc inside. This experiment will...

    $1 - $5 per student Ages 11 - 18 1 to 7 days
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    National Health Museum
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    This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg. Learners...

    $10 - $20 per group Ages 14 - 18 1 to 7 days