| A | B |
|---|
| magnetic pole | the part of a magnet where the magnetic effect is strongest |
| magnetic field | region around a magnet where the magnetic force is exerted |
| magnetic domain | a cluster of billions of atoms that all have magnetic fields lined up in the same way |
| solar wind | streams of electrically charged particles flowing at high speeds from the sun make up the |
| magnetic declination | the angle between geographic north and the north to which a compass needle points |
| superconductor | requires very low temperatures |
| solenoid | a current-carrying coil of wire with many loops |
| ampere | a unit of electric current |
