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Critical Angle
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In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror.
Make a Telescope
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In this optics activity, learners make a simple telescope using two lenses and a cardboard tube. Learners construct the telescope and then calculate its magnification.
Gelatin Optic Fibers
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In this activity, learners make optical fibers out of strips of gelatin.