| A | B |
|---|
| magnetic domain | a group of atoms with their magnetic poles pointed the same direction |
| magnetic field | imaginary lines of force around a magnet |
| magnetism | a force created through a magnetic field |
| compass | a magnetic needle that is free to turn |
| electromagnet | a current-carrying wire wrapped around an iron core |
| electric motor | a device that uses the interaction between electricity an magnetism to produce motion |
| aurora | colored lights in the sky created by the interaction of Earth's magnetic field and charged particles in the solar wind |
| inductoin | using a changing magnetic field to cause an electric current |
| electric generator | a device that uses induction to produce electric power |
| transformer | an electric device that changes the voltage of alternating current |
