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Pinhole Viewer
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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

Eyepatch Challenge
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In this activity, learners construct an indoors obstacle course and discover how using an eye patch can help them complete the course in the dark.

How Our Environment Affects Color Vision
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In this lab (Activity #1 on page), learners explore how we see color.