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Showing results 1 to 8 of 8
CD Spinner
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In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.
Rotating Light
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In this activity, learners explore what happens when polarized white light passes through a sugar solution.
How Our Environment Affects Color Vision
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In this lab (Activity #1 on page), learners explore how we see color.
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!
Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.
Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.
Underwater Hide and Seek
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In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.