Magnetism

2. An electrical _____ is a current that carries information.
4. A country with maglev trains going over 600mph.
8. A maglev train track.
10. The area around a magnet where the force of the magnet can act.
12. A coil of wire with a core attached to an electrical source.
13. A memory which stores facts temporarily.
15. Contains built-in memory and programs for a long time.
16. Another name for an integrated circuit.
17. A number system using only 0 and 1.
18. the brain of a computer that processes information.
19. Discovered a current traveling through a wire produces a weak magnetic field in the wire.

1. The opposite poles of magnets ______ each other.
3. A machine that converts motion into electrical energy.
5. Where the magnetic force is strongest.
6. An electronic _____ uses electricity to communicate.
7. An object that is able to attract iron.
9. A levitated vehicle.
11. Discovered that adding a metal core to a coil of wire increases magnetism.
14. A material that can work as a conductor or as an insulator.
15. Two south poles ______ each other.