Activity

Bird in the Cage

Curated and Reviewed by Lesson Planet

When your life science class is learning about the eye and how it works, you can add this activity as a demonstration of how the retina holds an afterimage. After staring at a red, green, or blue bird shape, pupils glance at a cage and see a bird of a different color inside!

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Pros
  • A fun enrichment to your eye lessons
  • A sound explanation of how the phenomenon occurs is included on the webpage
Cons
  • None