| A | B |
|---|
| lodestone | A rock that possesses magnetic properties and attracts iron. It is also known as magnetite. |
| repel | To drive away or force backwards. |
| compass | An instrument for determining direction. It has a magnetic needle that rotates freely until it points to the magnetic north. |
| electromagnet | A type of magnet. An iron or steel core is magnetized by the electric current in the coil of insulated of insulated wire wound around it. |
| magnet | An object that attracts iron and some other materials by virtue of a natural or induced force field surrounding it. |
| attract | To cause to come near, as by some special quality or action. |
| magnetism | The force itself that attracts iron, nickel, and cobalt. |
| pole | The name for one of the two ends of a magnet where the magnetism seems to be concentrated. It also refers to either end of the axis on which Earth spins. |
| magnetic field | A force field generated by moving electrical charges. |
| Gauss meter | An instrument that detects and measures magnetic fields. |
