| A | B |
|---|
| magnet | any material that attracts iron or materials containing iron |
| poles | the parts of a magnet where the magnetic effects are strongest |
| magnetic force | the force of repulsion or attraction between the poles of magnets |
| magnetic field | the region around a magnet in which magnetic forces can act |
| electromagnetism | the interaction between electricity and magnetism |
| solenoid | a coil of wire that produces a magnetic field when carrying an electric current |
| electromagnet | a magnet that consists of a solenoid wrapped around an iron core |
| electric motor | a device that changes electrical energy into kinetic energy |
| electromagnet induction | the process by which an electric current is produced by a changing magnetic field |
| generator | a device that uses electromagnetic induction to convert kinetic energy into electrical energy |
| transformer | a device that increases or decreases the voltage of alternating current |
