Summary
Bill explores how your eye gathers light and turns it into signals your brain reads as a picture of the world.
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All ages
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Teaching resources
Discussion questions
Discussion
Bill explores how your eye gathers light and turns it into signals your brain reads as a picture of the world..
- How does light get inside your eye?
- What does the brain have to do with seeing?
- Why do your pupils change size in bright and dim light?
Quick work-a-long
Vocabulary: pupil, lens, retina.
Try it: Watch a partner's pupils in bright and dim light and describe what changes and why.