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Experiment 1


- 2 flashlights
- 2 books
- 4 other objects

A Shine with 1 flashlight on the books from one side. (see picture).
Sketch the shadow.

B Shine with both the flashlights on the books from one side (see picture).
Sketch the shadow.

C Repeat the experiment with the other objects.

- When did you see the shadow overlap?

- Do you now know which person was right? Write it down in the Forum




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