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    The Exploratorium
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    In this quick and simple activity, learners explore how the distribution of the mass of an object determines the position of its center of gravity, its angular momentum, and your ability to balance...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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    The Exploratorium
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    In this geometry activity, learners explore networks painted on playgrounds, such as a four square court, and draw their own. Learners walk on every edge until they return to the starting point...

    1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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    The Exploratorium
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    When baseball was in its infancy, the ball had plenty of bounce. Today's baseball may not seem to have bounce to it at all; if you drop a ball on the field it won't bounce back. This...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do. In this activity, learners use a Styrofoam ball to more easily...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground. Learners act both as computer routers, figuring out with each other how to...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops! Included are ideas for building various sized and proportioned aircraft, making this a...

    $1 - $5 per student Ages 4 - 11 10 to 30 minutes
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    The Exploratorium
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    Did you know that a Slinky makes a handy model of earthquake waves? In this activity, learners use one or two of these simple toys to illustrate the different kinds of waves that transmit the...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    To understand how skaters turn in midair, try this little experiment! Individuals can do this activity alone, but it works better with a partner. Used in conjuncture with the rest of the...

    free Ages 8 - 18 10 to 30 minutes