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    Computer Science Unplugged
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    This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people...

    $1 - $5 per group Ages 8 - 18 30 to 45 minutes
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    WGBH
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    In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build. Learners think about a familiar shape in new ways, brainstorm shelter...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers. Note: a drill is used in this...

    $5 - $10 per student Ages 6 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners design, build, and test models of "dragon boats" made from up to three milk cartons. They observe how well the boats can be pulled through water in a homemade testing tank, and...

    $5 - $10 per group Ages 4 - 14 30 to 45 minutes
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    Twin Cities Public Television
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    In this sports-themed engineering activity, learners create super bouncy balls out of balloons. Learners brainstorm, test their designs, and share results.

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    WGBH
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    In this invention challenge activity, learners create an indoor game for one or two people that gets you moving. This lesson guide includes instructions on how to play an “imagine new uses for old...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Twin Cities Public Television
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    In this outdoor activity (on page 2 of the PDF), learners will investigate the transfer of energy using sports equipment. Learners first measure how high different kinds of balls bounce compared to...

    free Ages 8 - 14 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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    Twin Cities Public Television
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    In this activity (on page 1 of the PDF), learners will investigate the transfer of energy using sports equipment. Learners first measure how high different kinds of balls bounce compared to their...

    free Ages 8 - 14 30 to 45 minutes

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