14.1 Exercise 2

An ice cube is placed in a cup of hot water. Which of the following statements correctly describes energy transfer at the molecular level?

1. Kinetic energy is transferred only from the hot water molecules to the water molecules in the ice.
2. Kinetic energy is transferred only from the water molecules in the ice to the hot water molecules.
3. Kinetic energy is transferred mostly from the hot water molecules to the water molecules in the ice.
4. Kinetic energy is transferred mostly from the water molecules in the ice to the hot water molecules.