Moiré Motion Patterns
Large waves and apparent motion appear.
Teaching & key ideas
What you do: Slide or rotate one pattern over the other.
What students see: Large waves and apparent motion appear.
Why it works: Overlapping repeating patterns create interference-like beat patterns.
Question to ask: Where did the big moving pattern come from?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Where did the big moving pattern come from?