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Magnetism Review Chapters 1 and 3

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A naturally magnetic rock found at or near Earth's surface is ... A .gravity B .electricity C .magnetism D .levitation ... train never touches the A ... – PowerPoint PPT presentation

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Title: Magnetism Review Chapters 1 and 3


1
Magnetism Review Chapters 1 and 3
  • 2007 - 2008

2
1. A naturally magnetic rock found at or near
Earth's surface is called a
A. compass B. lodestone C. maglev D. needle
3
2. Which of the following comparisons can you
use to best explain voltage?
  • Fire in a fireplace
  • Lemon juice in a can
  • A compass needle
  • Water in a garden hose

4
3. What produces most of the electricity you use
in your home and school?
A. generators B. electromagnets C. solar
cells D. electric cells
5
4. What would you use if you had to separate
steel cans from aluminum cans?
  • transformer
  • B. generator
  • electromagnet
  • current detector

6
5. What is the pattern formed by iron filings
sprinkled around a bar magnet called?
A. lodestone B. lines of force C. magnetic
poles D. magnetic field
7
6. Which of the following would best meet the
clean- air standards set by the Air Quality Act ?
A. power plants burning fossil fuels B. maglev
trains C. railroad trains D. gasoline-powered cars
8
How is an electric current produced in a battery?
  • Chemical energy changes to electrical energy
  • Energy of motion changes into electrical energy
  • Electrical energy changes into chemical energy
  • Chemical energy changes into energy of motion.

9
8. Electricity sets up a magnetic field around
________________
  1. Electromagnets
  2. Generators
  3. Solar cells
  4. Voltage

10
9. A compass needle points to Earth's magnetic
south pole.
A. True B. False
11
10. The north-seeking pole of a magnet is
attracted to Earth's magnetic north pole.
A. True B. False
12
11. A magnet's property of attracting materials
such as iron and steel is called
A .gravity B .electricity C .magnetism D
.levitation
13
12. When you stroke a nail with a permanent
magnet, you magnetize the nail.
A. True B. False
14
13. When you move the north pole of one magnet
close to the north pole of another magnet, the
two poles move closer together.
A. True B. False
15
14. A maglev train never touches the
A. Poles B. Wires C. Rails D. Loadstone
16
15. Earth's magnetic north pole is at the same
spot as Earth's geographic north pole.
A. True B. False
17
16. The space in which the force of a magnet can
act is called

A. compass B. line of force C. bar magnet D.
magnetic field
18
17. Like poles of two magnets attract each
other.
A. True B. False
19
The force that pushes electricity along wires is
___________________
A. Solar cells B. Voltage C. Electric cells D.
Generators
20
19. Unlike poles of two magnets attract each
other.
A. True B. False
21
20. An object that attracts or pulls on certain
materials- mainly iron and steel, is
A. compass B. lodestone C. magnet D. pole
22
21. A battery is made up of two or more
________________
  1. Solar cells
  2. Voltage
  3. Generators
  4. Electric cells

23
22. What is a magnetized needle that is allowed
to swing freely?
A .a lodestone B. a magnetic field C .a
temporary magnet D .a compass
24
23. _______________ change the Suns energy into
electrical energy.
  1. Voltage
  2. Electromagnets
  3. Solar cells
  4. generators

25
24. Earth is a giant magnet
A. True B. False
26
Answer Key
  1. B
  2. D
  3. A
  4. C
  5. B
  6. B
  7. A
  8. A
  9. B
  10. A
  11. C
  12. A
  • B
  • C
  • B
  • D
  • B
  • B
  • A
  • C
  • D
  • D
  • C
  • A
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