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Electromagnetism Quiz

Total questions: 36

Worksheet time: 21mins

Name
Class
Date
1.
What is electromagnetism?
a)
The attraction between two magnets only
b)
Electricity that makes heat
c)
The relationship between electricity and magnetism
d)
Static electricity from rubbing objects
2.
Which of the following materials is magnetic?
a)
Wood
b)
Iron
c)
Plastic
d)
Glass
3.
What happens when electric current flows through a coil of wire around a nail?
a)
The nail becomes hot
b)
The nail becomes an electromagnet
c)
The nail melts
d)
The nail glows
4.
How can you make an electromagnet stronger?
a)
Use fewer coils of wire
b)
Use a weaker battery
c)
Add more coils or increase the current
d)
Use a wooden core
5.
What will happen if you turn off the electric current in an electromagnet?
a)
It will stay magnetic
b)
It will lose its magnetism
c)
It will explode
d)
It will get heavier
6.
Electromagnets only work when electricity is flowing.
a)
True
b)
False
7.
The Earth is like a giant magnet.
a)
True
b)
False
8.
Electromagnets are used in devices like doorbells and cranes.
a)
True
b)
False
9.
Copper and aluminum are good magnetic materials.
a)
True
b)
False
10.
Electricity can create magnetism, and magnetism can create electricity.
a)
True
b)
False
11.
Name one way electromagnets are used in everyday life.
4 lines
12.
Explain one difference between a permanent magnet and an electromagnet.
4 lines
13.
What happens to the magnetic field when you reverse the direction of the current in a wire?
4 lines
14.
Imagine you built an electromagnet using a battery, wire, and a nail. If you wrap more coils around the nail, what do you think will happen — and why?
4 lines
15.

The area around a magnet is called the .....

a)

attraction zone

b)

work area

c)

magnetic field

d)

hot zone

16.

The picture above is an example of what?

a)

Magnetic field

b)

Electric field

c)

Repulsion

d)

Attraction

17.

Surrounding every magnet is a __________ __________.

a)

another magnet

b)

electrical current

c)

magnetic field

18.

Which of the following would have the weakest magnetic field?

a)

Earth's magnetic field

b)

a classroom permanent magnet

c)

an electromagnet made of 20 coils of wire carrying 0.5 A around an iron core

19.

Why are these magnets not touching?

a)

They are like poles and are repelling

b)

They are opposite poles and are repelling

c)

There is an electric field

20.

What letter represents where an iron nail would feel the greatest attractive attractive pull?

a)

A

b)

B

c)

C

d)

D

21.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
22.

Which of the following is NOT TRUE about magnetic fields:

a)

Magnetic fields are why object can be pushed/pulled without touching the magnet

b)

Field lines move from North to South

c)

The magnetic field is stronger when the field lines are closer together

d)

The field is stronger further away from the poles

23.
In this picture, the iron filings show the shape of the magnetic —
a)
axis
b)
core
c)
field
d)
pole
24.
In this picture, the iron filings show the shape of the magnetic --
a)
axis
b)
core
c)
field
d)
pole
25.
These are iron filings and bar magnets on a sheet of paper. Where is the magnetic field the strongest?
a)
1
b)
2
c)
3
d)
4
26.

The lines and arrows drawn around the magnet represent the...

a)

magnetic field

b)

circuits

c)

insulators

d)

electro-magnets

27.

Magnetic fields flow:

a)

From the magnetic south pole to the magnetic north pole

b)

From the magnetic north pole to the magnetic south pole

c)

From the magnetic north pole back to the magnetic north pole

d)

From the magnetic south pole back to the magnetic south pole

28.
In this illustration, the magnetic field is strongest ___. 
a)
near either pole
b)
near the north pole
c)
near the south pole
d)
halfway between the poles
29.

In which area of this magnet is the magnetic field weakest?

a)

A

b)

B

c)

C

d)

D

30.

What is created around the solonoid?

a)

Magnetic Field

b)

Electric Field

c)

A gravitational field

d)

Nothing

31.

In the diagram, where is the magnetic field strength greatest?

a)

A

b)

B

c)

C

d)

D

32.
Surrounding every magnet is a __________  __________.
a)
magnetic field
b)
electrical current
c)
another magnet
d)
an enemy
33.

What is the area around a magnet where you feel the magnetic force called?

a)

magnetic poles

b)

magnetic field

c)

magnetic source

d)

magnetic domains

34.

The entire region surrounding a magnet is known as the:

a)

Magnetic Domain

b)

Magnetic Field

c)

Compass

d)

Lodestone

35.

What do the lines around this magnet represent?

a)

North Pole

b)

South Pole

c)

Magnetic Declination

d)

Magnetic Field

36.

Refer to the image below to answer the following question. What situation below best describes how to increase the magnetic field?

a)

Increase the number of loops of the wire

b)

Decrease the number of loops of the wire

c)

Surround the wire with an insulator

d)

Use an insulator instead of a conductor

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