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    The Exploratorium
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    In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space....

    Over $20 per group Ages 8 - 14 30 to 45 minutes
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    The University of Texas McDonald Observatory
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    In this experiment, learners construct an equilateral triangle using graph paper, a pencil, protractor and ruler. They also make a "laser triangle" using a laser pointer and front...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    Optical Society of America
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    In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles. Use this activity to introduce learners to how mirrors work as...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity about light and reflection, learners use a special device called a Mirage Makerâ„¢ to create an illusion. What they perceive as an object is really an image in space, created by two...

    Over $20 per student Ages 8 - 14 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners explore the invisible infrared radiation from an electric heater. Though we can't see the radiation with our eyes, learners can focus it with a mirror or lens and...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    Optical Society of America
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    In this optics activity, learners work in pairs to explore how mirrors work. Learners use tape to mark the angles needed to see each other's reflection in a wall mirror. Learners also draw a...

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners test the Law of Reflection based on experimental evidence. Learners produce raw data and explanations based on their data: pencil tracings of incident and reflection rays...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    IEEE
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    In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications. Learners work in teams to design and build their own working...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    New York Hall of Science
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    In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope. Learners use simple materials to construct the kaleidoscope and then explore...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes