Glow Stick Warm vs Cold

Warm glow stick looks brighter but fades faster. Ask students to predict what will happen. Place activated glow sticks in different temperatures. Key idea: Higher temperature speeds the chemical reaction. Ask: Does brighter mean it will last longer? Safety and cleanup: Warm—not hot—water; sealed glow sticks. https://www.google.com/search?q=%22Glow%20Stick%20Warm%20vs%20Cold%22%20science%20demonstration%20experiment