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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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    IEEE
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    In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide. Teams then design and build their own...

    Over $20 per group Ages 8 - 18 2 to 4 hours
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    Twin Cities Public Television
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    In this technology activity, learners light up the room with electrifying play dough creations. Learners use conductive and insulating homemade play dough to build simple circuits. Learners then...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    NASA
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    Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method. The model uses legos to represent the planet system, a light to...

    Over $20 per group Ages 11 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion....

    Over $20 per student Ages 6 - 18 1 to 2 hours
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    Arizona Science Center
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    In this activity (page 10), learners explore how molecules self-assemble according to forces of attraction and repulsion. Learners investigate how the placement of charge determines the possible...

    Over $20 per group Ages 11 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF under GPS: Garbology Activity) is a full inquiry investigation into design optimization using recycled materials. Groups of learners will design a study...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    Worcester Polytechnic Institute
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    Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes....

    Over $20 per group Ages 11 - 18 1 to 2 hours
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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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    Colorado State University
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    In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent. Learners will observe that energy "wasted" from an incandescent...

    Over $20 per group Ages 8 - 14 10 to 30 minutes