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    PBS
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    In this math lesson, learners measure, predict and determine the frequency of an event as it relates to how close Whirlybirds land to a target. In this simulation of a parachute jump competition,...

    1 cent - $1 per group Ages 8 - 11 45 to 60 minutes
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    IEEE
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    In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design. Learners solve algebraic equations,...

    $5 - $10 per group Ages 14 - 18 1 to 2 hours
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    Science Friday
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    In this activity, learners build a stuffed-animal zip line. Learners hold a cord against a wall, hook a cute stuffed animal onto it, let the animal slide down, and records its travel time. Use this...

    $5 - $10 per group Ages 8 - 11 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10. The goal is to change the...

    $1 - $5 per student Ages 6 - 14 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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    The Exploratorium
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    In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.). The device produces a record of...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    NASA
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    In this robotics activity, learners drive a remote-controlled car through a course to learn the challenges faced while trying to operate a planetary rover. They use measurement, geometry and...

    1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus. Learners roll...

    $1 - $5 per group Ages 14 - 18 30 to 45 minutes
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    Colorado State University
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    In this activity, learners explore conservation of energy by experimenting with a solar cell light device. Learners will set the solar cell in the sun for varying times to charge the battery and...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    NCTM Illuminations
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    In this math lesson, learners create parallelograms from square sheets of paper and connect them to form octagons. During the construction, learners consider angle measures, segment lengths, and...

    1 cent - $1 per student Ages 11 - 18 1 to 2 hours

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