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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.
Color Vision
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In this online activity, learners make a whole rainbow by mixing red, green, and blue light. They can change the wavelength of a monochromatic beam or they can filter white light.
Release the Rainbow
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In this activity, learners create a water prism to break light into the seven colors of the rainbow.
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.