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    WGBH
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    In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors. The catch is that in order to make their...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    COSI
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    In this playful physics activity (page eight of the pdf), learners use toy cars to explore how speed and weight affect the results of collision. Designed as a pre- or post-visit lesson in...

    1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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    Smithsonian Center for Education and Museum Studies
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    In this activity related to flight, learners build a tiny stream channel to investigate how fluids (air and water) change speed as they flow between and around objects. It includes an explanation ...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick activity (located on page 2 of the PDF), learners will see the effects of convection and understand what makes hot air balloons rise. Learners will fill a bottle with hot water...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    COSI
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    In this physics activity, learners will explore buoyancy. They will use a variety of objects to practice their prediction skills (what will and won't float) and discover why some things are...

    1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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    Museum of Science and Industry, Chicago
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    Learners act as engineers and design mini submarines that move in the water like real submarines. The submarines must be able to float, sink, and hover steadily without touching the top of the...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    4-H
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    In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper. Learners record their observations on an Experiment Log and eventually build...

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes

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