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    Twin Cities Public Television
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    In this activity (on page 2 of the PDF), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks. After a ball of aluminum foil sinks in a...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into design optimization using recycled materials. Groups of learners will design a study that seeks out the...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    NASA
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    In this activity, learners work in NASA teams to build balloon-powered rockets using identical parts and compete to launch the greatest number of paper clips to "space" (the ceiling). The...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    IEEE
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    In this activity, learners explore how parachutes are used to slow down moving objects. Learners work in teams of "engineers" to design and build their own parachutes out of everyday...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    NISE Network
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    Space telescopes can offer us better, clearer views of the universe (and of our own planet) than Earth-based telescopes can, but getting these large, delicate pieces of equipment into orbit is...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes