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WorksheetsMagnets
Total questions: 17
Worksheet time: 10mins
Name
Class
Date
1.
What is a magnet?
a)
A magnet is a material or object that creates a magnetic field.
b)
A bar or horseshoe
c)
A magnet is a material or object that is attracted to all metals.
d)
A magnet is only found in nature.
2.
Where is Earth's magnetic field strongest?
a)
Along the outside lines
b)
Along the inside lines on either side
c)
Where the lines are close together at the poles
d)
In the space outside of the lines
3.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
4.
Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?
a)
The middle
b)
All around the outside
c)
The north and south poles
d)
First to the middle, then to the ends
5.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
6.
What is the device seen here?
a)
generator
b)
electric motor
c)
electromagnet
d)
magnet
7.
What can you use to make an electromagnet?
a)
Battery, nail and string
b)
Battery, pencil and wire
c)
Wire, battery and iron ore (nail)
d)
Peanut butter, lampshade, hand sanitizer
8.
How do electromagnets differ from regular magnets?
a)
A. They can be turned off and on
b)
B. Their polarity can be reversed
c)
C. Their strength can be changed
d)
D. All of the above
9.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
d)
an enemy
10.
In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.
a)
wire, iron, electric
b)
electric, wire, iron
c)
iron, electric, wire
d)
excited, hair, apple
11.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
12.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
13.
A magnet has two poles.
a)
True
b)
False
14.
A magnet can :
a)
attract
b)
repel
c)
attract and repel
d)
neither one
15.
Do magnets have different strengths?
a)
NO!
b)
YES!
16.
A natural magnet that is not man made is called a:
a)
copper
b)
cobalt
c)
lodestone
17.
Magnets can attract to which object?
a)
paper
b)
wood
c)
iron
d)
plastic
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