Glow Stick Warm vs Cold
Warm glow stick looks brighter but fades faster.
Teaching & key ideas
What you do: Place activated glow sticks in different temperatures.
What students see: Warm glow stick looks brighter but fades faster.
Why it works: Higher temperature speeds the chemical reaction.
Question to ask: Does brighter mean it will last longer?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Does brighter mean it will last longer?