| A | B |
|---|
| magnet | any material that attracts iron or materials containing iron |
| poles | the parts of magnet where the magntic effects are strongest |
| magnetic force | the force of attraction or repulsion between the poles of magnets |
| electromagnetism | the interaction between electricty 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 |
| electromagnetic induction | the process by which a current is produced by changing magnetic field |
| generator | a device that uses electromagnetic induction to convert kinetic energy to electrical energy |
| transformer | a device that increases or decreases the voltage of an alernating current |
