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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy. This...

    $10 - $20 per group Ages 14 - 18 1 to 7 days
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load. Their experiments help them to further understand the effects that...

    $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 explore the concepts of equilibrium and center of mass by seeing how non-symmetrical objects balance. They balance a paper parrot cut-out on a wire coat hanger and find that their parrot...

    1 cent - $1 per student Ages 11 - 18 10 to 30 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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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing. Learners also discover that changing...

    $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 investigate stress and strain by designing, building, and testing beams made from polymer clay. They compete to find the best beam strength to beam weight ratio, and learn about the trade...

    $1 - $5 per student 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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    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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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions. This activity can be combined with other activities to create...

    free 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 make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth. This activity can be...

    1 cent - $1 per group Ages 11 - 18 30 to 45 minutes

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