Isaac wants to make s'mores. He holds a marshmallow on a metal skewer over a fire. A few seconds later, the marshmallow is cooked and the skewer feels warm. What most likely happened?

Thermal energy moves from the hotter fire to cooler objects nearby. The fire transfers heat to the marshmallow, cooking it, and to the metal skewer, making it feel warm. So the best choice is “Thermal energy in the form of heat moved from the fire to the skewer and marshmallow.”

AI-written and checked against the verified answer.