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WorksheetsMagnetic Field
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Earth's magnetic poles are in the same place as the geographic poles.
a)
True
b)
False
2.
Magnetic field lines always cross.
a)
True
b)
False
3.
The motion of liquid _______ in the Earth's core creates a magnetic field.
a)
Iron
b)
Magnesium
4.
__________ is the angle between geographic north and the north to which a compass needle points.
a)
declination
b)
magnetic force
5.
A compass behaves as it does because each needle acts as a(n) ___________.
a)
Magnet
b)
Guide
6.
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).
7.
The strongest part of a magnet is...
a)
the bars .
b)
the force field.
c)
the poles.
d)
the middle.
8.
Ancient people discovered magnetic rocks called lodestone. What did they use them for?
a)
fires
b)
compasses
c)
sculptures
d)
weapons
9.
In this image, matching north poles from two magnets are introduced. What do you predict will be the outcome?
a)
There will be no interaction. The poles of magnets do not have an effect on one another.
b)
The two north poles will attract each other
c)
The two north poles will repel each other
d)
The two magnets will combine and become one magnet
10.
Looking at the field lines in this picture, these two magnets are ________
a)
Attracting
b)
Repelling
c)
Attracting and Repelling
d)
Doing nothing
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