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    COSI
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    In this physics activity, learners build their own rockets out of film canisters and construction paper. Learners discover how a chemical reaction (from a mix of water and Alka-Seltzer) creates gas...

    $5 - $10 per student Ages 6 - 18 10 to 30 minutes
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    WGBH
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    In this design challenge activity, learners add a jet-propulsion system (i.e. a balloon) to a blimp so it flies straight and far under its own power. This lesson guide includes links to video clips...

    $5 - $10 per group Ages 8 - 14 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 create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together. Learners can photograph or film the fluid motion for...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp...

    $5 - $10 per group Ages 11 - 18 5 to 10 minutes
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    The Exploratorium
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    In this activity, a spinning bicycle wheel resists efforts to tilt it and point the axle in a new direction. Learners use the bicycle wheel like a giant gyroscope to explore angular momentum and...

    $5 - $10 per group Ages 11 - 18 10 to 30 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 physics activity, learners conduct two experiments to explore free-falling. In the first experiment, water-filled plastic bottles with holes in them spurt water under normal conditions, but...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    COSI
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    In this physics activity, learners experiment with pulleys and find that they can decrease the effort needed when using a pulley to lift or move different loads. This is an excellent activity to...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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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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