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    National Health Museum
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    Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality. Learners document their findings by mapping and...

    $10 - $20 per group Ages 11 - 18 1 to 2 hours
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    Bryn Mawr College
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    In this online activity, learners discover how random variation influences biological evolution. Biological evolution is often thought of as a process by which adaptation is generated through...

    free Ages 14 - adult 5 to 10 minutes
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    Howard Hughes Medical Institute
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    In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree. The Teacher Guide...

    free Ages 11 - 18 10 to 30 minutes

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