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    Institute of Physics
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    In this demonstration about momentum, use physics to distinguish between a hard-boiled egg and a raw egg without cracking them open. Learners will discover that hard-boiled eggs are much easier to...

    1 cent - $1 per group Ages 4 - adult Under 5 minutes
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    Twin Cities Public Television
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    In this environmental engineering activity, learners build windmills using everyday items. The first challenge is to build windmills that spin when placed in front of a fan. The second challenge is...

    $10 - $20 per group Ages 8 - 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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    Learners recreate the classic egg-drop experiment with an analogy to the Mars rover landing. The concept of terminal velocity will be introduced, and learners perform several velocity calculations....

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners investigate how drag affects the falling rate of objects. They construct paper objects of different shapes and sizes, use clay to make them all the same mass, and then drop them all from...

    1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns. This activity introduces learners to...

    1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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    Center for Engineering Educational Outreach, Tufts University
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    Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials. They use the basic processes of manufacturing systems--cutting, shaping,...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Center for Engineering Educational Outreach, Tufts University
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    After a discussion about what a parachute is and how it works, learners create parachutes using different materials that they think will work best. They test their designs, and then contribute to a...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Make
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    In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale. When wind pushes against a model...

    Over $20 per group Ages 11 - adult 2 to 4 hours
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    WGBH
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    In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room. The activity guide contains information for Educators...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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