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    National Health Museum
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    This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell. By analyzing four sand-filled cubic models ...

    $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 compare bacteria growth on two petri dishes containing nutrient agar: one that has been touched by a finger washed only with water and one that has been...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    National Health Museum
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    This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments. By modeling Mendel's pea experiments, learners will form their own...

    $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 #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc. in bathroom and then immerse their hands in...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    National Health Museum
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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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    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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    National Health Museum
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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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    National Health Museum
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    In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day. First, teams of learners go outdoors to collect five leaves from a mulberry or cottonwood...

    $1 - $5 per group Ages 14 - 18 4 to 24 hours

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