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Magnetism

Total questions: 50

Worksheet time: 51mins

Name
Class
Date
1.
A north pole and a south pole will attract.
a)
True
b)
False
2.
A magnet cannot not move which of the following objects?
a)
a paper clip
b)
a nail
c)
a toothpick
d)
a staple
3.
How is a permanent magnet DIFFERENT from a temporary magnet?
a)
A permanent magnet attracts materials made of iron.
b)
A permanent magnet has poles.
c)
A permanent magnet has a magnetic field.
d)
A permanent magnet keeps its magnetism for a long time.
4.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
5.
True or False: All metals stick to magnets.
a)
True
b)
False
6.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
7.
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
8.
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
9.
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
10.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
11.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
12.
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
13.
This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?
a)
NIB Magnet
b)
Ceramic Magnet
c)
Electromagnet
d)
funnel magnet
14.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
15.
What characteristics do magnetic substances have?
a)
They can give you a "shock" when you touch them
b)
They can push or pull objects without touching them
c)
They are always black and cold to touch
d)
They fall faster than other objects when you drop them
16.
How is Earth's magnetic field similar to that of a magnet?
a)
It is hundreds of miles long
b)
It has north and south poles
c)
It is made in Earth's core
d)
It is shaped like a horseshoe
17.
Which of the following is true of 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.
18.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
19.
What do magnets stick to?
a)
copper
b)
wood
c)
iron
d)
plastic
20.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
21.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
22.
The force of magnetism can go through many materials.
a)
True
b)
False
23.
Two north poles will attract.
a)
True
b)
False
24.
A north pole and a south pole will attract.
a)
True
b)
False
25.
What would we call a nail that can pick up a paperclip because it is touching a magnet?
a)
temporary magnet
b)
poles
c)
force
d)
detector
26.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
27.
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
28.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
29.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
30.

If a glass plate is placed over a magnet and iron filings are sprinkled over the glass, a pattern will be visible. What does this pattern indicate?

a)

The magnetic field

b)

The electrostatic field

c)

The piezoelectric effect

d)

The chemical reaction of the magnet and the filings

31.

What causes magnetism?

a)

the sun

b)

moving neutrons

c)

moving charges

d)

friction

32.
Magnetism is....
a)
The part of the magnet where the force is the strongest
b)
A force created by magnets that pulls some metals
c)
To Pull towards
d)
An object able to pull some metals towards itself
33.
Poles are ....
a)
The part of the magnet where the force is the strongest
b)
A force created by magnets that pulls some metals
c)
To Pull towards
d)
An object able to pull some metals towards itself
34.
A magnet is...
a)
To push away
b)
A force created by magnets that pulls some metals
c)
To Pull towards
d)
An object able to pull some metals towards itself
35.
When you put ring magnets on a pencil, the magnets stay apart from each other because
a)
magnets are too weak to stay together.
b)
material that makes up the magnets aren't magnetic.
c)
same poles of the magnets are facing each other.
d)
the pencil stops the force of the magnets.
36.

Which object would a magnet attract?

a)

a glass bottle

b)

a piece of paper

c)

a steel paper clip

d)

a rubber eraser

37.

The Earth has a magnetic field.

a)

True

b)

False

38.
I keep magnetism for a short amount of time. What am I?
a)
permanent magnet
b)
temporary magnet
c)
lines of force
d)
magnetism
39.

What is Ferrous metal

a)

Material that have good conductor electric

b)

metal consists or Chromium

c)

Metal have non magnetic properties

d)

Metal have iron as based metal

40.

Look at the picture carefully.

Which screws will be attracted?

a)

iron and steel screws

b)

iron and aluminum screws

c)

steel and aluminum screws

d)

all screws

41.

What would happen when the opposite poles of magnets are placed together?

a)

The force will pull them together (attract).

b)

The force will push them away from each other (repel).

c)

The strength of the magnet is doubled.

42.

True or False: All metals are attracted to magnet.

a)

True

b)

False

43.

What do the lines around this magnet represent?

a)

North Pole

b)

South Pole

c)

Magnetic Declination

d)

Magnetic Field

44.

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 South Pole.

c)

Both halves get only a North Pole.

d)

Both halves get a North pole and a South Pole.

45.

What is responsible for the Magnetic Field around Earth?

a)

The Sun

b)

The Earth's core

c)

The Earth's crust

d)

The Earth's mantle

46.

Look at the picture carefully.

The paper clips are . . .

a)

magnet

b)

magnetic objects

47.

Which of these materials would be attracted to a magnet?

a)

copper

b)

aluminum

c)

cobalt

d)

iron

48.

The two poles are called the _______ poles

a)

east and west

b)

north and east

c)

south and west

d)

north and south

49.

A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.

a)

calculator

b)

ruler

c)

compass

d)

map

50.
Earth's magnetic poles are in the same place as the geographic poles.
a)
True
b)
False