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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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    Lawrence Hall of Science
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    In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA). Learners will be able to...

    1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners manipulate film to create homemade movies. Scratch Film, also known as Direct Animation, is the process of drawing and scratching designs directly onto film. Images are...

    Over $20 per group Ages 11 - adult 2 to 4 hours
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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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    Community Science Workshop Network
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    In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see. Learners use simple materials to build a Circle Spinner, Thaumatrope, and...

    $1 - $5 per student Ages 6 - 18 30 to 45 minutes
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    American Chemical Society
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    In this activity (on pages 4-5), learners make fake snow by adding water to the super-absorbant chemical from diapers, sodium polyacrylate. Different types of fake snow can be made by varying the...

    1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures. First,...

    1 cent - $1 per student Ages 6 - 18 1 to 2 hours

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