Static Butterfly Wings
Wings lift toward balloon without contact.
Teaching & key ideas
What you do: Charge balloon and move it above light paper wings.
What students see: Wings lift toward balloon without contact.
Why it works: Electrostatic attraction pulls the paper upward.
Question to ask: What invisible force is lifting the wings?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: What invisible force is lifting the wings?