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WorksheetsMagnetism
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Two north poles will attract.
a)
True
b)
False
2.
A north pole and a south pole will attract.
a)
True
b)
False
3.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
4.
Magnets strongly attract all metals.
a)
True
b)
False
5.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
6.
Which of the following is NOT part of an electromagnet?
a)
Wire
b)
Iron
c)
Toothpick
d)
Power source
7.
Magnets that are arranged like this will _______.
a)
move away from each other (repel)
b)
move towards each other (attract)
8.
These magnets will _______.
a)
move away from each other (repel)
b)
move toward each other (attract)
9.
Which material would be attracted to a magnet?
a)
Silver
b)
Lead
c)
Water
d)
Iron
10.
The Earth is called a "big magnet" because
a)
It is shaped like a magnet
b)
It attracts different objects in space
c)
It has a North and South pole
d)
All of the above
11.
What would happen if you stroke an iron nail with a magnet?
a)
The nail will repel the magnet.
b)
The nail will become magnetic.
c)
The nail will become an electromagnet.
d)
The magnet will lose its magnetism.
12.
This is an example of magnets...
a)
attracting to each other.
b)
repelling each other.
13.
This is a magnet made by an electric current
a)
temporary
b)
permanent
c)
electromagnet
d)
ferromagnet
14.
The region around a magnet in which magnetic forces act is
a)
magnetic field
b)
magnetic force
c)
electromagnet
d)
ferromagnet
15.
Steel is a magnetically hard material. This means it loses its magnetism quickly.
a)
True
b)
False
16.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
17.
A simple electromagnet can be made with which of the following?
a)
an electric current
b)
a turbine and nail
c)
a nail, a wire, and a battery
d)
a compass and a battery
18.
2 ways to increase the magnetic force of an electro-magnet
a)
Increase the current flow, reduce the number of coils
b)
Increase the voltage, decrease the number of coils
c)
Increase the number of coils and the current flow
d)
Spread out the coils, replace iron core with rubber.
19.
Which is NOT a way to ruin a magnet?
a)
heat it up
b)
put it in water
c)
drop/hit it too hard
d)
put it in an opposite magnetic field
20.
a)
A
b)
B
c)
C
d)
D
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