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    PBS
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    In this math lesson, learners construct box-and-whisker plots to analyze and compare data sets. Learners investigate whether or not long-legged people run faster than short-legged people. Learners...

    $1 - $5 per group Ages 11 - 14 1 to 2 hours
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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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    Lunar and Planetary Institute
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    In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why. They simulate the experiment by dropping high- and regular-bounce balls from...

    $1 - $5 per group Ages 8 - 14 10 to 30 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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    The Exploratorium
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    This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying. When we tried this trick on the Exploratorium's exhibit floor, we...

    $1 - $5 per group Ages 11 - adult 10 to 30 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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    Lunar and Planetary Institute
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    In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition. This activity...

    $1 - $5 per student Ages 8 - 14 5 to 10 minutes
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    Chicago Children's Museum
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    In this activity, learners track their movements with jumping and leaping graphs. In part A, learners jump as high as they can and press their inked fingers or hands against a large true-to-life...

    $1 - $5 per group Ages 4 - 11 45 to 60 minutes
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    NSBRI
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    In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong. In part 1, learners investigate how physical stress can affect bone (a...

    $1 - $5 per group Ages 6 - 11 1 to 4 weeks
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    Association of Zoos and Aquariums
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    Did you know that a bullfrog can jump a distance of 10 times its body length? Learn more about nature's most acrobatic amphibian, the frog, through this set of short, hands-on activities....

    $1 - $5 per group Ages 4 - 18 30 to 45 minutes

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