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WorksheetsMagnets
Total questions: 50
Worksheet time: 4hrs 19mins
Name
Class
Date
1.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
2.
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
3.
Magnetism is generated by moving
a)
protons.
b)
electrons.
c)
neutrons.
d)
elements.
4.
As the distance between two magnets increases (they get farther apart), the force between them:
a)
Increases
b)
Decreases
c)
Stays the Same
5.
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
6.
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
7.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
8.
The two poles on a magnet are
a)
north and east
b)
north and west
c)
south and north
d)
south and west
9.
Electricity can be used to create a magnet
a)
True
b)
False
10.
You can make an electromagnet stronger by...
a)
increasing the current through the wire
b)
make the iron core bigger
c)
increase the number of loops around the core
d)
All of these
11.
A magnet will pick up a nail, but not a penny because the nail
a)
has rust on it.
b)
is lighter than the penny.
c)
has a sharp point.
d)
contains iron.
12.
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.
13.
Which of these is attracted to a magnet?
a)
iron nail
b)
copper penny
c)
piece of paper
d)
notebook
14.
Magnets will stick to refrigerator doors because the doors are
a)
Painted with plastic.
b)
Made of metal.
c)
Easy to open.
d)
Heavy.
15.
Which of these can move a nail lying on the table without touching the nail?
a)
A magnet
b)
String
c)
A wire
d)
A ruler
16.
Which is NOT a use of magnets?
a)
Generating electricity
b)
Holding cabinet doors closed
c)
Sorting paper from plastic
d)
Storing information on computer hard drives.
17.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
18.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
19.
Amy used a magnet to hold one piece of paper on the refrigerator. Later, she tried to use the same magnet to hold a stack of four pieces of paper, and the magnet wouldn't stick to the fridge. Why did this happen?
a)
The magnet needs glue
b)
The magnet couldn't hold due to the thickness of the paper
c)
Paper repels magnets
d)
A magnet isn't attracted to the refrigerator.
20.
What do you call it when two magnets come together?
a)
attract
b)
iron
c)
poles
d)
repel
21.
Magnets attract things made of
a)
copper
b)
iron
c)
wood
d)
plastic
22.
All magnets have 2
a)
fields
b)
colors
c)
poles
d)
all of the above
23.
The two poles on a magnet are
a)
north and east
b)
north and west
c)
south and north
d)
south and west
24.
Magnetism is generated by moving
a)
protons.
b)
electrons.
c)
neutrons.
d)
elements.
25.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
26.
If you place the North pole of a magnet next to the South pole of another magnet, they will:
a)
Attract
b)
Repel
c)
Do nothing
d)
Shatter
27.
A paper clip is an example of a:
a)
magnetic material
b)
permanent magnet
c)
bar magnet
d)
insulator
28.
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
29.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
30.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
31.
Region around a magnet in which magnetic force can act.
a)
Magnetic field
b)
Magnetic force
c)
Domain
d)
Perimeter
32.
Two south poles will...
a)
attract
b)
repel
33.
Magnets that are arranged like this will _______.
a)
move away from each other (repel)
b)
move towards each other (attract)
34.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
35.
Iron and steel can become _____.
a)
magnetized
b)
transformed into plastics
c)
lined up to the poles
d)
part of the equator
36.
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
37.
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
38.
ALL metals are attracted to magnets?
a)
True
b)
False
39.
What types of metals are attracted to a magnet?
a)
Steel
b)
Iron
c)
Nickel
d)
All of the above are attracted to magnets
40.
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
41.
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
42.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a steel paper clip
d)
a rubber eraser
43.
A magnet will attract scissors if the scissors contain:
a)
copper
b)
aluminum
c)
gold
d)
nickel
44.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
45.
To attract means....
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
46.
To repel means....
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
47.
The Earth has a magnetic field.
a)
True
b)
False
48.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
49.
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
50.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
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