Clickory

Classroom mode

Run it in class

Why does a spoon look bent in water?

Show of hands — before you project anything

What do all three choices predict about the same starting setup?

  • A Way more than you'd guess
  • B About what you'd guess
  • C Way less than you'd guess

Count the votes out loud. Hold them to it — then watch.

Project it (fullscreen)

Discussion prompts

  • What do all three choices predict about the same starting setup?
  • Which general clue from the earlier pages applies to this new case?
  • What would you hold fixed in a fair follow-up test?

Where it shows up in real life

  • A child peers sideways at a straight metal spoon that appears kinked where it enters a clear glass of water.
  • A child shines a narrow golden flashlight beam diagonally through the side of a clear water tank.
  • The same child lifts the perfectly straight spoon from the water and compares it with the bent-looking view through the water-filled glass.

A prediction-first worksheet — no answer key.

zero prep · no login · any projector

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