Balancing Butterfly
A wide, heavy-looking shape balances on a tiny point.
Teaching & key ideas
What you do: Balance the butterfly by its nose on a finger or stand.
What students see: A wide, heavy-looking shape balances on a tiny point.
Why it works: Weights place the combined center of mass below the support point.
Question to ask: Why doesn't it fall?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Why doesn't it fall?