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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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    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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    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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    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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    The Exploratorium
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    In this activity, learners explore their eye pupils and how they change. Learners use a magnifying glass, mirror, and flashlight to observe how their pupil changes size in response to changes in...

    free Ages 8 - 14 10 to 30 minutes
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    American Museum of Natural History
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    In this activity, learners explore the gait of horses by constructing flipbooks with British photographer Eadweard Muybridge's famous photographs. Learners print out three flipbooks that...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    WGBH
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    In this optics activity, learners build an animation tool to make mini movies. When you spin a phenakistascope, the pictures move so quickly that your eyes and brain can't separate the images....

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes. Participants draw two different images which appear as one, when...

    1 cent - $1 per group Ages 6 - 11 10 to 30 minutes

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