A hand-held video game is powered by batteries. After playing the game for several minutes, a student notices that the game feels warm. Which of the following is the most likely explanation for this observation?

A. The game creates energy when it is turned on.
B. Some of the chemical energy from the batteries is converted into heat energy.
C. Some of the energy from the batteries is changed into the force of friction.
D. The game creates heat energy from the person playing it.