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Experiment: Light and Pupils

1. What Did We Use?

A flashlight.

2. What Did We Do?

We went into a dark room and shined the flashlight in each other’s eyes.

3. What Happened?

Our pupils got small when the flashlight was in our faces, and large when it wasn’t.

4. What Did We Learn?

We learned that pupils get small in bright light and big in dim light.

15 February 2012

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