<p>Ch 7 Electricity Study Guide Name:______Per:____-</p><p>1. ______are the particles that have a positive charge and ______are the particles that cause a negative charge.</p><p>2. ______charges repel one another, and ______charges attract one another.</p><p>3. What is static electricity?</p><p>4. What are 3 ways that static charge is transferred? Give an example for each.</p><p>5. What is static discharge, or grounding? What can cause it?</p><p>6. Name 3 ways to increase resistance.</p><p>7. Define insulator and name 3 materials that make good insulators.</p><p>8. Define conductor and name 3 materials that make good conductors. 9. A freshman named Ohmer tests a neutral PVC pipe by holding it above neutral scraps of paper. What happens? Why?</p><p>10. Why does a person’s hair stand on end when they have their hand on a Van de Graaff generator?</p><p>11. The fibers on Ohmer’s wool sweater all stood on end. Why? What charge did they obtain?</p><p>12. Draw a negatively charged neutral pom- pom ball. Explain 13. piece of electrical tape and a what happens. 14.</p><p>15.</p><p>16. Draw a positively charged a positive pom-pom ball. piece of electrical tape and Explain what happens. </p><p>17.</p><p>18.</p><p>19. Draw a circuit consisting of one battery and 20. What would happen if one bulb in the series three lights in a series. burned out?</p><p>21.</p><p>22.</p><p>23. Draw a circuit consisting of one battery and 24. What would happen if one of the lights burned three lights in parallel. out?</p><p>25.</p><p>26.</p><p>27.</p><p>28. Circle the type of circuits that households are wired with? (parallel or series)</p><p>29. Which circuit would result in brighter lights, 3 bulbs in a series or 3 bulbs in parallel? Explain. 30.</p><p>31.</p><p>32. Define the following:</p><p> a. Voltage</p><p> b. Current</p><p> c. Resistance</p><p>33.</p>