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Super Gelatin
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Can gelatin (like Jell-O ®) change the speed of light?
Spectroscope
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In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.
X-Ray Spectra
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In this activity, learners use simple materials to simulate the effect of X-rays in a safe way. Learners place a piece of window screen over a box and a cardboard pattern on top of the screen.