| A | B |
|---|
| magnetism | force of attraction or repulsion of a magnetic material due to the arrangement of its atoms |
| magnetic field | area over which the magnetic force is exerted |
| electromagnet | solenoid with a magnetic material such as iron inside its coils |
| electric motor | device that uses an electromagnet to convert electrical energy to mechanical energy |
| electromagnetic induction | process by which a current is produced by a changing magnetic field |
| aurora | glowing region of air caused by solar particles that break through the earth's magnetic field |
| magnetosphere | region in which the magnetic field of the earth is found |
| pole | regions of a magnet where the magnetic effects are the strongest |
| solenoid | long coil of wire that acts like a magnet when current flows through it |
| transformer | device that increases or decreases the voltage of alternating current |
| generator | device that uses electromagnets to convert mechanical energy into electricity |
| magnetic transparent material | paper, penny, aluminum foil |
| magnetic shielding materials | iron, steel, |
| lodestone | naturally ocurring magnetic rock |
| magnetic domains | regions in which the magnetic fields are aligned |
| magnetic declination | The error in a compass by the difference in location between the earth's magnetic and geographic poles. |
