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    BioEd
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    In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat. This lesson guide includes background information about digestion...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    University of Washington
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    In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing. Two identical...

    free Ages 8 - 18 5 to 10 minutes
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    Lunar and Planetary Institute
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    In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why. They simulate the experiment by dropping high- and regular-bounce balls from...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Lunar and Planetary Institute
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    In this activity, learners perform 20 arm curls with cans that simulate the weight of beans on Earth versus the weights of the same number of beans on the Moon and in space. Learners explore what...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners explore the importance of active play. Parts A and B of this experience provide learners with a variety of active play options for indoors and outdoors that promote...

    1 cent - $1 per group Ages 4 - 8
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    Bill Nye
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    In this activity, learners use plastic tubing and a funnel to listen to their heart. Learners also discover that if they run around, their heart pumps harder and faster, making it easier to hear....

    $1 - $5 per student Ages 4 - 14 5 to 10 minutes
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    The Exploratorium
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    This is a great activity about human energy production. Learners will work out with a clothespin to investigate why hockey players jump on a stationary bike after an intense game. Compared to a...

    1 cent - $1 per student Ages 14 - adult 10 to 30 minutes
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    Lunar and Planetary Institute
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    In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition. This activity...

    $1 - $5 per student Ages 8 - 14 5 to 10 minutes
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    NSBRI
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    In this activity about center of gravity (page 23 of PDF), learners investigate how the body adjusts to the force of gravity to remain balanced. In part 1, learners use different amounts of weight...

    $1 - $5 per group Ages 6 - 11 1 to 2 hours
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    NSBRI
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    In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong. In part 1, learners investigate how physical stress can affect bone (a...

    $1 - $5 per group Ages 6 - 11 1 to 4 weeks

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