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WorksheetsMagnets: What Do You Remember From Before Spring Break?
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The top magnets will...
a)
Attract
b)
Repel
c)
Not apply a force
2.
The middle magnets will...
a)
Attract
b)
Repel
c)
Not apply a force
3.
The bottom magnets will...
a)
Attract
b)
Repel
c)
Not apply a force
4.
What is in the picture?
a)
Magnet
b)
Electromagent
c)
Motor
d)
Generator
5.
Both magnets and electromagnets have a N and S pole.
a)
No, way.
b)
Yes, way.
6.
Which subatomic particle is the cause of magnetism?
a)
Protons
b)
Neutrons
c)
Electrons
d)
Megatrons
7.
What do motors do?
a)
Convert thermal energy to electrical energy.
b)
Convert electrical energy to thermal energy.
c)
Convert electrical to mechanical energy.
d)
Convert mechanical to electrical energy.
8.
What do generators do?
a)
Convert thermal energy to electrical energy.
b)
Convert electrical energy to thermal energy.
c)
Convert electrical to mechanical energy.
d)
Convert mechanical to electrical energy.
9.
Why are electromagnets better than permanent magnets?
a)
They can attract all metals, not just iron.
b)
They can attract copper, permanent magnets can't.
c)
They can turn on and off.
d)
They can never run out of energy, because they don't run on electricity.
10.
Are the magnetic field lines in the picture correct?
a)
Yes, because they point from north to south.
b)
No, because they point from north to south (they're supposed to go the other way).
c)
Yes, because the North pole is on the left in all pictures.
d)
No, because the North pole is on the left in all pictures (it's supposed to be on the right).
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