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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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    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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    The Exploratorium
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    Light painting is a creative activity that involves creating striking images and illusions using a camera, a light source, and a little practice. Light paintings may be literal representations or...

    Over $20 per group Ages 11 - adult 45 to 60 minutes
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    The Center for Science Education @ Space Sciences Laboratory, UC Berkeley
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    In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon. Learners will use the...

    $1 - $5 per student Ages 6 - 14 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction. First, learners use relatively simple materials to construct...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights. The cardboard box camera captures the images using a mirror, holder...

    $10 - $20 per student Ages 8 - 14 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall. Use this activity to introduce learners to concepts...

    $10 - $20 per student Ages 8 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    In this activity (page 2 of PDF), learners play with a lens and a piece of paper to focus an image on the paper. Learners look at different things, and see how the lenses affect the image. The ...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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    Twin Cities Public Television
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    In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV). Faced with concerns that environments around the world might be undergoing rapid...

    free Ages 6 - 14 5 to 10 minutes

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