Electricity (Ch. 20)

3. A property that causes subatomic particles to attract or repel each other
4. A material through which electric charge can flow easily
6. Static discharge occurs when a pathway through which charges can move forms ______.
7. A material through which charge can't flow easily
11. The transfer of excess charge through a conductor to Earth
12. Law stating that the total electric charge in a system is constant
20. The attraction or repulsion between electrically charged objects
21. Also known as the potential difference.
22. An electric circuit with two or more paths through which charge can flow
23. The rate at which electrical energy is converted into another form of energy
24. A field in a region of space that exerts electric forces on charged particles
25. A material's _____, length and temperature affect its resistance

1. The flow of electric charge that regularly reverses its direction
2. The study of the behavior of electric charges
5. The law about the relationship of voltage, current and resistance
8. Like charges will do this when brought near each other
9. The difference in electrical potential energy between two places
10. A switch that opens when the current in a circuit is too high
13. A material that has almost zero resistance when it is cooled to low temperatures
14. The flow of electric charge in only one direction
15. A complete path through which electric charge can flow
16. A device that converts chemical energy into electrical energy
17. Opposite charges will do this when brought near each other
18. An electric circuit with only one path through which charge can flow
19. The opposition to the flow of electric charges in a material