| A | B |
| Energy of moving electrons, found in lightning | electrical |
| An example might be a book sitting on a top shelf | gravitational potential energy |
| Stored energy; energy an object has because of its position or shape when it is NOT MOVING. | potential |
| Energy caused by vibrations in an object or in the air | sound |
| Energy from changes in the nucleus of an atom | nuclear |
| Energy released when 2 small nuclei fuse to form one larger nucleus. Happens in the sun. | nuclear fusion |
| Energy released when the nucleus of one larger atom splits into two smaller nuclei. Example: nuclear power plant | nuclear fission |
| Energy that travels as electromagnetic radiation. Example: sunlight | radiant |