| Term | Definition |
| Electric motor | a device that changes electrical energy into kinetic energy |
| Electromagnet | a magnet that consists of a solenoid wrapped around an iron core |
| Electromagnetic induction | the process by which an electric current is produced by a changing magnetic field |
| Electr0magnetism | the interaction between electricity and magnetism |
| Generator | a device that uses electromagnetic induction to convert kinetic energy into electrical energy |
| Magnet | any material that attracts iron or materials containing iron |
| Magnetic field | the region around a magnet in which magnetic forces can act |
| Magnetic force | the force of repulsion or attraction between the poles of magnets |
| Poles | the parts of a magnet where the magnetic effects are strongest |
| Solenoid | a coil of wire that produces a magnetic field when carrying an electric current |
| Transformer | a device that increases or decreases the voltage of alternating current |