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    American Physical Society
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    Learners experiment to see which colors of light will cause a phosphorescent (glow-in-the-dark) material to glow. Different colors of light have different wavelengths, and different amounts of...

    $10 - $20 per group Ages 11 - 14 10 to 30 minutes
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    American Physical Society
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    Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles....

    $10 - $20 per group Ages 11 - 14 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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