Electricity(Ch. 20)

5. Also known as the potential difference.
8. Opposite charges will do this when brought near each other
9. The difference in electrical potential energy between two places
10. A property that causes subatomic particles to attract or repel each other
11. A material through which electric charge can flow easily
13. The rate at which electrical energy is converted into another form of energy
14. Law stating that the total electric charge in a system is constant
16. A material that has almost zero resistance when it is cooled to low temperatures
20. The transfer of excess charge through a conductor to Earth
21. A material's _____, length and temperature affect its resistance
22. The opposition to the flow of electric charges in a material
24. A switch that opens when the current in a circuit is too high

1. A material through which charge can't flow easily
2. Like charges will do this when brought near each other
3. The study of the behavior of electric charges
4. The flow of electric charge that regularly reverses its direction
6. A device that converts chemical energy into electrical energy
7. The attraction or repulsion between electrically charged objects
9. An electric circuit with two or more paths through which charge can flow
12. The flow of electric charge in only one direction
15. Static discharge occurs when a pathway through which charges can move forms ______.
17. The law about the relationship of voltage, current and resistance
18. An electric circuit with only one path through which charge can flow
19. A field in a region of space that exerts electric forces on charged particles
23. A complete path through which electric charge can flow