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Bending Light
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In this optics activity, learners make a lens and explore how the eye manipulates the light that enters it.
Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.
Ready to Observe: Enhance Your Telescope Experience
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This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.
Pinhole Magnifier
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In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.