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In this activity, learners construct a device that allows them to view 2-D images in 3-D.

In this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color.

In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

In this fun optics activity, learners explore principles of light, reflection (mirrors), and perception. Learners work in pairs and sit on opposite sides of a "two-way" mirror.