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    The Exploratorium
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    Make your own simple speaker so you can listen to your favorite radio station. Just wind a coil, attach it to a piece of cardboard or Styrofoam, hold a magnet nearby, and listen. This activity...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners use geometry to predict the shape of carbon. Learners twist and attach chenille stem pieces that represent bonds between different carbon atoms. Information about...

    $1 - $5 per group Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity about depth perception, learners create an optical illusion in a shoe box. By looking through the viewing hole, learners explore how they can trick their brain into thinking that...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages. This activity also...

    $1 - $5 per group Ages 11 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns. Learners bend, twist, or press on the plates to observe...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this trick, hold your hand over a burning candle without getting burned, by reflecting and transmitting the light of two candles. This activity is best suited as a demonstration.

    $1 - $5 per group Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners model hot spot island formation, orientation and progression with condiments. Learners squirt a thick condiment sauce on a coarsely woven fabric to model how volcanic...

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens. This activity provides instructions for recycling a potato chip can to make your own...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use plastic water bottles, wood, and water to build an inexpensive and portable tool to demonstrate one atmosphere of pressure at sea level. Once the tool is assembled...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water. This lab asks learners to record measurements and make calculations...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes

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