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    Pratt School of Engineering, Duke University
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    Learners apply their knowledge of heat transfer to design two cans - one that will retain heat and one that will cool down quickly. After constructing their cans, learners fill the cans with warm...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Pratt School of Engineering, Duke University
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    Learners design their own experiment to explore the permeability of different materials such as soil, sand, gravel, and marbles. They will also be introduced to the basic concepts of building...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Pratt School of Engineering, Duke University
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    Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones. They investigate how energy is transferred from...

    $1 - $5 per group Ages 8 - 14 45 to 60 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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