1. Give an example of a conductor Copper Aluminum Plasma Graphite Found on page 466

2. Give an example of an insulator Glass Dry wood Cloth Most plastics Dry air – Found on page 465

3. What type of circuit is this? series

4. What type of circuit is this? parallel

5. What is this called? electroscope

6. What is the force between a 3 C charge and a 2 C charge separated by a distance of 5 meters? ***Hint: F= K(Q1 x Q2) / r² and K= 9 x 10⁹ Nm²/c² A. 5.4 x 10⁹ B. 5.4 x 10² C. 3 x 10³ D. 2.7 x 10¹⁰ – Found on page 472

7. What charge do electrons have? Negative!

8. Lightning is______________. A. a very large discharge of static electricity B. a buildup of neutrons C. a low voltage electric current D. harmless

9. Which of the following is designed to open an overloaded circuit and prevent overheating? A. transformer B. magnet C. resistor D. circuit breaker

10. How are the headlights on a car wired? Series parallel

11. After charging a balloon, you decide to stick it to the wall. It will stay on the wall forever….unless something knocks it down. True False – Found on page 463

12. Similar charges____________. A. attract B. repel C. become neutral C. disappear

The force between charges is stronger when they are further apart. True False

14. What is it called when a neutral object is charged by touching it with a charged object? A. Charging by induction B. Charging by conduction C. Charging by convection D. Charging by radiation – Found on page469

15. What is it called when a neutral object is charged by bringing it close to a charged object without touching it? A. Charging by induction B. Charging by conduction C. Charging by convection D. Charging by radiation – Found on page 470

16. When an electroscope is charged, electrical forces cause the metal leaves__________. A. to stick together B. to spread apart C. to dance around D. to shock someone – Found on page 469