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    University of Washington
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    In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions. Learners sort similar bottle caps in a well-lit...

    free Ages 8 - 18 10 to 30 minutes
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    NISE Network
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    In this activity, learners investigate how some butterfly wings get their color. Learners compare Buttercup and Blue Morpho butterflies and discover what happens when they shine light at each of...

    Over $20 per group Ages 4 - adult 10 to 30 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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    Science Museum of Minnesota
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    In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other. The object of this game is to use your mouth and your...

    $1 - $5 per group Ages 6 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this movement and measurement activity, learners jump as far as they can three times, and compare their longest jump to the longest jump of their friends, classmates and/or family members....

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats. The activity is written for use in an aquarium, but it can...

    $5 - $10 per group Ages 4 - adult 10 to 30 minutes
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    Wellcome Trust Sanger Institute
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    In this craft-based activity, learners make DNA sequence bracelets that carry the code of an organism such as a human, trout, chimpanzee or butterfly. This activity reinforces the principle of...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    South Carolina ETV Commission
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    In this activity, learners model a population of deer and see how the number of deer changes over time. Learners investigate population change and graph the population over time to learn about how...

    free Ages 11 - 18 10 to 30 minutes
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    Bill Nye
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    In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters. Use this activity to discuss the diversity of life forms present in different habitats like...

    $1 - $5 per student Ages 4 - 18 10 to 30 minutes
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    NISE Network
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    In this activity/demo, learners examine a synthetic gecko tape with micron sized hairs that mimics the behavior of the gecko foot. The process is called "nanomolding." Also described in...

    Over $20 per group Ages 6 - adult 10 to 30 minutes

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