Study Jams
Magnetism
1. Which of these objects is magnetic?
a. a baseball
b. an apple
c. a dumbbell
d. a jacket
2. What is special about the ends of a magnet?
a. they are identical
b. they are the places where the magnetic force is the strongest
c. they are the places where the magnetic force is the weakest.
d. the ends arenʼt any different from the rest of the magnet
3. When you hold the ends of two magnets together, the magnets repel. What does this
tell you about the poles of the magnets?
a. they are the same
b. they are opposites
c. they are not made of the same substance
d. they can be forced together with enough pressure
4. What happens to opposite poles in a magnet?
a. they sometimes repel and sometimes attract
b. they repel
c. they have no effect on each other
d. they attract
5. Which of the following has characteristics of a magnet?
a. stars
b. the Earth
c. the moon
d. the atmosphere
6. Why does a compass always point north?
a. because the magnet inside the compass orients itself along north/south poles
b. because the magnet inside the compass is oriented on an east/west access
c. because the person holding a compass must always face north
d. not all compasses point north
7. A magnet sticks to your refrigerator. What does this tell you about the magnetic fields
of the fridge and the magnet?
a. their magnetic fields are not strong
b. they have the same poles
c. they have opposite poles
d. they have no iron in them
NixonHillary
Monday, April 29, 2013 2:20:17 PM ET
Answers:
1. (c) dumbbell
2. (b) they are the places where the magnetic force is the strongest
3. (a) they are the same
4. (d) they attract
5. (b) the Earth
6. (a) because the magnet inside the compass orients itself along north/south lines
7. (c) they have opposite poles
NixonHillary
Monday, April 29, 2013 2:20:17 PM ET