Convection Spiral Spinner
Spiral slowly rotates.
Teaching & key ideas
What you do: Suspend spiral over warm rising air.
What students see: Spiral slowly rotates.
Why it works: Warm air rises and pushes on the angled paper.
Question to ask: How can warm air make something turn?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: How can warm air make something turn?