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Showing results 1 to 11 of 11
Mix-N-Match Light
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This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match.
Your Father's Nose
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In this fun optics activity, learners explore principles of light, reflection (mirrors), and perception. Learners work in pairs and sit on opposite sides of a "two-way" mirror.
Morphing Butterfly
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In this activity, learners explore how nanosized structures can create brilliant color.
Colored Shadows
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In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.
Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.
Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.
Exploring Ultraviolet (UV) light from the Sun
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In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.
Lager Lamp
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In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.
Rainbow Film
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In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.
Erupting Fizz
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.
Mini Zoetrope
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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.