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    Science Museum of Minnesota
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    This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    IEEE
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    In this activity, learners explore how a hydraulic pump works. Learners work in teams to design and build a unique water fountain that employs a hydraulic pump. This lesson also contains a...

    $10 - $20 per group Ages 8 - 18 2 to 4 hours
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    Bill Nye
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    In this activity, learners discover how hard their hearts work to pump blood. Learners hold one hand above their head and one hand by their side for sixty seconds, and then compare the color of...

    free Ages 4 - 14 Under 5 minutes
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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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    Science Museum of Minnesota
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    Learners will build a homemade pump using a balloon, a mason jar, and some straws. Then, using the weblinks provided, they will explore the workings of the heart by comparing the actions of their...

    1 cent - $1 per group Ages 6 - 14 45 to 60 minutes