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    The Exploratorium
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    In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side. To make...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    Science Friday
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    In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source. Learners use critical thinking skills to hypothesize which type of...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image. Make sure you have access to a color printer that can print to a...

    1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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    Community Science Workshop Network
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    In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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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 about light and perception, learners create pictures in thin air. Using a simple set up of a slide projector, slide, moveable screen or poster board, and a "wand",...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity (posted on March 20, 2011), learners follow the steps to construct a stroboscope, a device that exploits the persistence of vision to make moving objects appear slow or stationary....

    $5 - $10 per student Ages 8 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners make a photographic image--without a camera! Using a light source, an object to block the light, and light-sensitive paper, learners create wonderful silhouette-like...

    $5 - $10 per student Ages 11 - 18 30 to 45 minutes
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    Science Friday
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    In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways. By building their own pinhole viewers, learners make observations about the...

    1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes

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