energy

1. electromagnetic energy

2. Chemical energy

3. Mechanical energy

4. potential energy

5. Thermal energy

6. Nuclear energy

6.1. Book definition: The energy stored in an atomic nuclei.

6.2. My definition: The energy of an atom.

6.3. Example: Nuclear fission,Atomic bomb.

7. kinetic energy

7.1. Book definition: The energy of motion.

7.2. My definition: Energy that is being in use currently by motion.

7.3. Example: A roller coaster at its peek.