Wax Dots Show Heat Conduction

Wax nearest the warm end melts first, then farther dots. Ask students to predict what will happen. Warm one end and watch wax dots soften in sequence. Key idea: Thermal energy moves through the metal by conduction. Ask: How does heat travel through a solid? Safety and cleanup: Warm-water heating preferred; teacher handles metal. https://www.google.com/search?q=%22Wax%20Dots%20Show%20Heat%20Conduction%22%20science%20demonstration%20experiment