| A | B |
|---|
| Earth's magnetic north pole | the marked end of a compass needle always points toward ___ |
| step-up transformer | a device that increases the voltage of an alternating current |
| magnet's poles | a bar magnet's magnetic effect is greatest at the ___ |
| magnetic field | the region around a magnet in which magnetic forces can act |
| south pole | the pole of a magnet that points north |
| generator | a device that uses electromagnetic induction to convert kinetic energy into electricity |
| transformer | a device that uses electromagnetic induction to increase or decrease the voltage of an alternating current |
| magnet | any material that attracts iron or materials containing iron |
| magnetite | a mineral that attracts objects containing iron |
| domains | the tiny regions in which atoms arrange themselves so that a magnetic field is created |
| temporary magnet | easy to create but loses its magnetism easily |
| ferromagnet | made from iron, nickel, or colbalt |
| permanent magnet | difficult to magnetize but retains its magnetic properties well |
| electromagnet | a magnet created by an electric current |
