Across
- 1. The measure of how difficult it is for a charge to flow through a material
- 5. The discharge of static electricity between clouds or between a cloud and Earth
- 6. Unlike poles and/or charges do this
- 7. This consists of a length of conductive wire wrapped tightly around a piece of metal and connected to a battery
- 8. A compass needle will point this direction because the Earth has a magnetic field
- 10. This planet acts like a magnet because it has magnetic poles and a magnetic field
- 11. The type of current is produced by a battery
- 12. The process of producing a current when a conductor, such as a wire, is moved through a magnetic field
- 14. The area of magnetic force around a magnet
- 17. Circuits can contain devices that are run by which kind of energy?
- 18. _______ is NOT a method by which charges can be transferred according to the Law of Conservation of Charge
- 19. An electric motor transforms electrical energy into __________ energy
- 20. Shaped by solar wind, the region around Earth’s magnetic field is called the __________
- 21. The magnetic force on a magnet is the strongest here
Down
- 2. The buildup of charges on an object
- 3. A safety device on an electrical plug to ground the metal pieces to prevent shocks
- 4. The reason the angle between magnetic and geographic poles is different
- 9. Provides safety when using current electricity by cutting off all electrical flow
- 13. Like poles and/or charges do this
- 15. A permanent magnet become demagnetized if it is hit very hard because these get out of alignment
- 16. A _______ can be added to a circuit to prevent overheating