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WorksheetsMagnetism Round 3
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Which is NOT a property of magnetic field lines?
a)
They never cross
b)
They can be directly observed.
c)
They form complete loops from pole to pole
d)
They spread out as they get farther from the magnet.
2.
What is an electron?
a)
a particle that does not carry an electric charge
b)
a particle that carries a positive charge
c)
a particle that carries a negative charge
d)
the smallest particle of an element that has the element’s properties
3.
Most materials are not magnetic because
a)
Earth's heat has destroyed their magnetic fields
b)
They lack magnetic fields
c)
their magnetism has worn off.
d)
their magnetic domains are arranged randomly.
4.
The magnetic properties of a material depend on its
a)
shape
b)
atomic structure
c)
magnetic poles
d)
position
5.
A magnet made from a steel paperclip is most likely a(n)
a)
temporary magnet
b)
permanent magnet
c)
electron
d)
lodestone
6.
What is one way you can destroy a magnet’s magnetism?
a)
by breaking it
b)
by heating it
c)
by putting it in water
d)
by cooling it
7.
As Earth’s magnetic pole moves, the magnetic declination in a given location will
a)
return to zero
b)
switch to point south
c)
change
d)
stay the same
8.
When molten material hardens into the rock on the ocean floor, the domains of the iron it contains
a)
point in random directions
b)
never become magnetic
c)
disappear
d)
line up in the direction of Earth’s magnetic field.
9.
The closer together a magnet’s magnetic field lines are,
a)
the stronger the magnetic field
b)
the weaker the magnetic field
c)
the closer they come to disappearing
d)
the closer they are to the magnet's center
10.
The magnetic force around a magnet is the strongest at the ________.
a)
Poles
b)
Iron lines
c)
Top
d)
Middle
11.
Charged particles from the solar wind come closest to Earth at the equator, where Earth’s magnetic field lines dip down to Earth’s surface.
a)
True
b)
False
12.
Magnetic field lines spread out from one pole, curve around the magnet, and return to the other pole.
a)
True
b)
False
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