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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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    Howard Hughes Medical Institute
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    This mirror-tracing activity related to proprioception is a visual and motor test that involves learning a new motor skill. The task requires learners to move a pencil to trace the diagram of a...

    1 cent - $1 per student Ages 11 - 18 1 to 7 days
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    Howard Hughes Medical Institute
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    In this activity, learners build a plastic emergence chamber (or use purchased "mini mosquito breeder") to observe and analyze the mosquito life cycle. Learners record daily observations...

    Over $20 per group Ages 11 - 18 1 to 4 weeks
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    In this activity, learners simulate taking HIV antiretroviral drugs by using Tic Tac mints and Kool-Aid packets. Learners will experience firsthand how easy or difficult it is to fully adhere to a...

    $5 - $10 per group Ages 11 - 18 1 to 4 weeks

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