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    Optical Society of America
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    In this activity, learners create a water prism to break light into the seven colors of the rainbow. This is a quick activity that can be used to demonstrate what happens when light is refracted...

    free Ages 6 - 11 Under 5 minutes
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    Optical Society of America
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    In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection. Use this simple activity as a demonstration or group activity to...

    free Ages 14 - 18 5 to 10 minutes