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    The Exploratorium
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    In this group activity, learners use some common objects and work together to simulate the Coriolis effect. During the challenge, learners make predictions and test different scenarios. This...

    $1 - $5 per group Ages 11 - 18 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 build a simple hovercraft using air from a balloon to levitate a craft made from a compact disc (CD). They learn that a bed of air under an object significantly reduces the friction as it...

    1 cent - $1 per student Ages 11 - 18 30 to 45 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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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials. They measure how much the rubber band stretches when a weighted note card is...

    1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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    WGBH
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    In this design challenge activity, learners invent a way to send a Ping-Pong ball flying high enough to catch it - like football with a twist! Learners use paint stirrers, a wooden spool, tape, and...

    $1 - $5 per student 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 construct a rocket from a balloon propelled along a guide string. They use this model to learn about Newton's three laws of motion, examining the effect of different forces on the...

    1 cent - $1 per group Ages 11 - 18 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 set up books with rubber bands stretched between the books. When two identical books are stretched apart and released, they move back toward each other an equal distance. When two...

    1 cent - $1 per group Ages 11 - 14 30 to 45 minutes
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    Museum of Science and Industry, Chicago
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    Learners attach an egg to a rubber-band bungee cord and drop the egg. By performing a few test drops with an egg and short bungee cord, learners are able to predict how long a bungee cord they...

    1 cent - $1 per student Ages 8 - 18 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola. Note: a drill is used...

    $10 - $20 per student Ages 6 - 18 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers. Use this activity...

    $10 - $20 per student Ages 6 - 18 30 to 45 minutes

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