1. Electricity and Magnetism Review
2013

2. Magnetic Force __________________
1. A student wraps a wire around an iron nail. The student then connects the wire to a battery. The nail attracts another nail and they stick together.   What force holds the two nails together?
Magnetic Force
__________________

3. 2. Electric current can only flow through a circuit that is…
___________________
Closed

4. 3. In an incandescent light bulb, electricity passes through the bulb causing the following …   A. Electrical energy is transferred to light energy which is transferred to heat energy B. Electrical energy is transferred to heat energy which is transferred to light energy C. Electrical energy is transferred to magnetic energy D. Electrical energy is transferred to ultraviolet light
The correct answer is… B

5. 4. Which part of an atom has a negative charge?
_________________
An electron

6. 5. These two magnets will attract each other because …
Opposites attract
_________________________

7. 6. When a battery, wire and nail are connected together, we create
An electromagnet
_______________________

8. 7. What is created in a generator when a coil of wires is passed through a magnetic field?
Electricity
____________________________________

9. 8. An electromagnet is an example of which type of magnet?
Temporary Magnet
_______________________

10. 9. Name 3 examples of good conductors
Examples are nails, metal spoons, and copper
________________________

11. 10. Name 3 examples of insulators that were shared in class.
Rubber, plastic, and wood

12. 11. Which type of power plant generates electricity by water causing a generator to turn?
Hydro – Electric Power Plant

13. 12. Which place would be a safest during an electrical storm?
A. In a swimming pool
B. In a building
C. In the shower
D. In an open field

14. 13. An object gains a negative electric charge when ……
gains an electron

15. 14. Which electric circuit produces light?A C B D

16. 15. Which of the following is an example of electric discharge?
A. Magnets moving a Compass
B. Heat escaping from a filament
C. Current in a wire
D. Lightning striking the ground

17. 16. Name the 3 main parts of an atom
Protron
Neutron
Electron

18. 17. What is the only part of an atom that can be transferred or “hop” to another atom?
Electron

19. 18. Which type of electrical power plant would pollute the least?
Petroleum Burning
Geothermal
Natural Gas
Coal Plant

20. 19. Describe an open circuit.
An open circuit will not allow electricity to pass though it. It is not complete circuit.

21. 20. What are the charges of an electron, a proton and a neutron?
An electron has a negative charge
An proton has a positive charge
A neutron has NO charge. It is neutral

22. 21. Draw a closed circuit diagram that includes a battery, a bulb, a switch, and the wires. The circuit must light the bulb. Use arrows to show the path of the electrons in the circuit.