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    WGBH
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    In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed...

    Over $20 per group Ages 11 - 14 2 to 4 hours
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    Lunar and Planetary Institute
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    In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. Learners dunk the "planets" in water to...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    NASA
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    In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height. Learners must follow a certain number of design...

    free Ages 11 - 18 45 to 60 minutes
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    NASA
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    In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel. Learners measure the rocket's resistance to the flow of air in the tunnel and use the...

    Over $20 per group Ages 8 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space. Groups of learners will develop sensors to be deployed...

    Over $20 per group Ages 8 - 14 1 to 7 days
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    The Exploratorium
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    In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape. In doing so, learners will experience many of...

    $10 - $20 per group Ages 6 - 14 2 to 4 hours
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems....

    $10 - $20 per group Ages 11 - 14 4 to 24 hours
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    NSBRI
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    In this activity (page 87 of the PDF), learners move their bodies to better understand the three axes of rotation: pitch, roll and yaw. This exercise will help learners understand how the visual...

    free Ages 8 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF) is a full inquiry investigation into how some desert birds keep their cool. Learners will make four model Saguaro nests out of Styrofoam ice chests, insert...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Pratt School of Engineering, Duke University
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    Learners use engineering design principles to construct and test a fully solar-powered car. Solar car kits usually include a photovoltaic cell and motor; some include a chassis as well. Encourage...

    Over $20 per student Ages 11 - 14 2 to 4 hours

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