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Water Sphere Lens
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In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.
Kaleidoscope
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In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).
Upside-Down Town
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In this activity, learners explore ray optics. Learners discover that they can use a magnifying glass to create an upside-down image.
Personal Pinhole Theater
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Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!
Moiré Patterns
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In this activity about light and perception, learners create and observe moire patterns.
Multiple Reflections
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In this activity, learners explore how mirrors reflect light and change the way we see things.
Gelatin Optic Fibers
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In this activity, learners make optical fibers out of strips of gelatin.