Day 62: Realizing You Can Focus an Image

Wednesday, 9 November 2016

This student just realized he can focus objects at different distances on his card.

After they figure out how to calculate the focal length of the lens they pulled from the box, I asked kids to decide which object placement would be most useful for each of these five applications: movie projector, camera, photocopier, lighthouse, or magnifying glass.

This is from my lens lab. Get it in Word or PDF formats.

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