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    COSI
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    In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet. Learners will see firsthand how gravity and...

    $5 - $10 per group Ages 6 - 14 10 to 30 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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    Chicago Children's Museum
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    In this activity, learners work with an adult to build a rocket and launcher out of a plastic 2-liter bottle, flexible plastic hose, plastic tubing, toilet paper tube, and duct tape. Use this stomp...

    $5 - $10 per group Ages 6 - 14 30 to 45 minutes
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    Pratt School of Engineering, Duke University
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    Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor. The spring scale allows them to measure the frictional force that exists between the...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path. It’s made from...

    $5 - $10 per group Ages 11 - adult 1 to 2 hours
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    NASA
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    In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems. Learners examine different distance...

    $5 - $10 per group Ages 8 - 18 1 to 7 days
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    Twin Cities Public Television
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    In this physical sciences activity, learners explore friction. Learners investigate the factors that affect the force required to move an object. Learners prepare weighted shoeboxes and then...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this engineering activity, learners explore simple machines and then build cardboard automata using cams. Learners are also challenged to build a complex machine--a moving sculpture that tells a...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    Community Science Workshop Network
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    In this activity, learners build a carousel toy that spins when pushed down. Use this activity to demonstrate principles of motion including momentum, angular motion, linear motion, and cyclic...

    $5 - $10 per student Ages 8 - 18 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy. Note: this activity...

    $5 - $10 per student Ages 6 - 14 45 to 60 minutes

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