Clickory

Classroom mode

Run it in class

Why do crystals have flat sides?

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 through a magnifier at sparkling salt grains with crisp little facets on dark paper.
  • A child compares several naturally faceted crystals in a shallow tray under a large magnifying glass.
  • The same child studies a glowing collection of differently faceted crystals beside a magnifier.

A prediction-first worksheet — no answer key.

zero prep · no login · any projector

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