Question

the what of thermal energy from one object to another is heat

Answer 1

thermal energy arises from the average kinetic energy of the molecules in an object. In a hot object, the molecules have a higher average kinetic energy than in a cold object.

When a hot object touches a cold or cooler object that energy is transferred as a low energy molecule collides with a high energy molecule. over time (depending on the object's thermal conductivity), the molecules close to the edge of the cold object begin to increase the energy of the molecules next to then. hopes this help