Give pupils a magnifier, a mirror, and a flashlight so that they can examine their own pupils. As they shine a light on their eyes, the light is shone on how this structure dilates and contracts to control how much is allowed into the eye. As your class studies human body systems, they will be amazed at how the eye works!

Concepts

eyes, vision

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Additional Tags

eye, pupil, science

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Pros

• Fascinating and revealing at the same time
• Easy to incorporate into your curriculum

Cons

• None