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Self-Portrait Silhouettes: Activity 1
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In this activity, learners make a photographic image--without a camera!
Rotating Light
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In this activity, learners explore what happens when polarized white light passes through a sugar solution.
CD Spectrometer
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In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.
Self-Portrait Silhouettes: Activity 2
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In this activity, learners make a photographic image—without a camera!
Glow Up
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
Sliding Gray Step
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How can you make one shade of gray look like two? By putting it against two different color backgrounds! This activity allows learners to perform this sleight of hand very easily.