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Magnets

Total questions: 20

Worksheet time: 17mins

Name
Class
Date
1.

Which of these is not a magnetic material?

a)

aluminium

b)

steel

c)

nickel

d)

iron

2.

Which of the above diagrams shows the magnetic field lines around the north pole of a magnet?

a)

A

b)

B

c)

C

d)

D

3.

When magnets and metal bars are close together they experience forces.


Which row gives the correct description of the effect between these materials?

a)

A

b)

B

c)

C

d)

D

4.

A magnetic compass points North. This shows that...

a)

the Earth is tilted on its axis

b)

the Earth is spinning

c)

the Earth has a magnetic field

d)

the Earth has gravity

5.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
6.
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
7.
Which of the following is true about a bar magnet?
a)
Its magnetic field is strongest near its center.
b)
It is surrounded by a magnetic field.
c)
The north pole is stronger than the south pole.
d)
The south pole is stronger than the north pole.
8.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
9.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
10.
Magnetic NORTH is actually geographic _________
a)
SOUTH
b)
NORTH
c)
EAST
d)
WEST
11.

Jade attached a magnet on the roof of each toy car as shown in the diagram.

When Jade brought toy car A nearer to toy car B, both toy cars A and B came towards each other. Why is it so?

a)

Toy car A has North pole facing the South pole on Toy car B. Unlike poles attract and the toy cars move towards each other.

b)

Toy car A has North pole facing the North pole on Toy car B. Like poles attract and the toy cars move towards each other.

c)

Toy car A has South pole facing the South pole on Toy car B. Unlike poles attract and the toy cars move towards each other.

d)

Toy car A has North pole facing the North pole on Toy car B. Unlike poles attract and the toy cars move towards each other.

12.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
13.
True or False: A magnetic field is invisible.
a)
True
b)
False
14.

The region around a magnet where a magnet exerts force is called the:

a)

electric field

b)

force field

c)

hay field

d)

magnetic field

15.

In a magnet, magnetic domains are:

a)

all aligned

b)

not aligned

c)

some are aligned

d)

there are no magnetic domains

16.

As the distance between two magnets increases, the force between them:

a)

Increases

b)

Decreases

c)

Stays the Same

d)

Increases then decreases

17.
What is responsible for the Magnetic Field around Earth?
a)
The Earth's crust
b)
The Earth's molton iron core
c)
The Earth's mantel
d)
The Sun
18.
A paper clip is an example of a:
a)
magnetic material
b)
permanent magnet
c)
bar magnet
d)
insulator
19.
If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move?
a)
Clockwise
b)
Counter-clockwise
c)
It will not move
d)
Need more information
20.

A device that uses a free-moving magnetic needle to show direction is a

a)

ruler

b)

magnet

c)

compass

d)

magnetic field