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    The Exploratorium
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    In this demonstration, learners watch as a device drops a ball into a cup without touching the ball or cup, even though the ball and cup are virtually side-by-side. Specifically, this device...

    $10 - $20 per group Ages 11 - 18 5 to 10 minutes
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    Community Science Workshop Network
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    In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons. Learners can experiment with balloons of various sizes and shapes to change the...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    The Exploratorium
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    In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder. The result is spectacular, and the process provides a great...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels. Use this activity to illustrate Newton's Second Law of Motion (F=ma) and...

    $10 - $20 per group Ages 6 - 11 1 to 2 hours
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    The Exploratorium
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    In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series...

    $10 - $20 per group Ages 8 - 18
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    IEEE
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    In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints. Learners apply the engineering design process to solve the...

    $10 - $20 per group Ages 8 - 18 2 to 4 hours
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    Museum of Science, Boston
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    The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track....

    $5 - $10 per group Ages 6 - 18 10 to 30 minutes
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    NASA
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    In this activity, learners work in teams build and launch rubberband-powered foam rockets. Through a controlled investigation, learners will explore rocket stability and the trajectory relationship...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    WGBH
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    In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target. Learners are encouraged to brainstorm answers to design questions,...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build simple catapults and use them to launch cotton balls. Learners can see Newton's second law of motion in effect; pulling the catapult arm back further creates more force and thus...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes

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