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    In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions. With this simple digest, they observe that many, but not all detergents contain an active...

    $1 - $5 per student Ages 11 - 18 4 to 24 hours
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    National Health Museum
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    Role-playing the parts of chromosomes and centrioles, learners use large chromosome models and nylon cords (spindle fibers and cell membranes) to walk through the processes of mitosis and meiosis....

    $10 - $20 per group Ages 14 - 18 1 to 2 hours
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    In this activity, learners will explore how the human brain interprets environmental stimuli. Learners use two point discrimination on the skin to determine the relative number of nerve endings...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    National Health Museum
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    In this lab (Activity #1 on page), learners explore how we see color. Learners set up an experiment to evaluate how a group of learners view different colors as presented on different background...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes
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    In this highly collaborative activity, learners design and complete a controlled experiment which attempts to answer a simple question about the slime mold Physarum. Learners present their findings...

    Over $20 per group Ages 14 - 18 1 to 7 days
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    This three-part lab helps learners understand the essential principles governing diffusion and osmosis. Dialysis tubing is used to simulate an animal cell and actual plant cells are used to...

    Over $20 per group Ages 14 - 18 4 to 24 hours
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    In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed. Learners will investigate seed dispersal mechanisms by creating and testing a wind...

    $1 - $5 per group Ages 14 - 18 2 to 4 hours
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    In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips). The instructor (or a learner)...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    This activity helps the learner answer the question: "What environmental problems arise due to animal and human overpopulation and what might need to be done to combat these problems?"...

    $1 - $5 per group Ages 14 - 18 1 to 7 days
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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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