2. The lamp and clock convert electrical energy to electromagnetic energy.

3. The student’s body converts chemical energy in food to mechanical energy.

4. A water heater converts chemical energy in natural gas to thermal energy.

5. 3. Chemical energy is stored in coal
2. Electromagnetic energy becomes chemical energy
1. Nuclear energy becomes electromagnetic energy
6. Mechanical energy becomes electrical energy.
Electrical energy becomes thermal energy.
4. Chemical energy becomes thermal energy
5. Thermal energy becomes mechanical energy.