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    Pratt School of Engineering, Duke University
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    Learners display their findings after a study of surface area and volume. They build a mobile to show a commercially available box and a constructed cubical box of the same volume. Learners also...

    1 cent - $1 per student Ages 11 - 14 1 to 2 hours
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    Pratt School of Engineering, Duke University
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    Learners determine the surface area and volume of two identical boxes, and then figure out the dimensions of a cubical box with the same volume. Then they construct a new, cube-shaped box from one...

    1 cent - $1 per student Ages 11 - 14 2 to 4 hours

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