WorksheetsMagnetism
Total questions: 45
Worksheet time: 31mins
Name
Class
Date
1.
Magnetism is generated by moving
a)
protons.
b)
electrons.
c)
neutrons.
d)
elements.
2.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
3.
As the distance between two magnets increases (they get farther apart), the force between them:
a)
Increases
b)
Decreases
c)
Stays the Same
4.
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
5.
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
6.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
7.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
8.
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
9.
What causes magnetism?
a)
the sun
b)
moving neutrons
c)
moving charges
d)
friction
10.
How can a wire become magnetic?
a)
point it north
b)
add a resistor
c)
heat it up
d)
run a current through it
11.
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
12.
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
13.
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
14.
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
15.
Do these magnets attract or repel?
a)
Attract
b)
Repel
16.
Do these magnets attract or repel?
a)
Attrack
b)
Repel
17.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
18.
The force of magnetism can go through many materials.
a)
True
b)
False
19.
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
20.
Iron filings and a compass are examples of ________________
a)
poles
b)
detectors
c)
temporary magnets
d)
force
21.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
22.
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.
23.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
24.
True or False: All metals stick to magnets.
a)
True
b)
False
25.
It is possible for a magnet to have only one pole.
a)
True
b)
False
26.
A device that uses a free-moving magnetic needle to show direction is a:
a)
lodestone
b)
magnet
c)
compass
d)
magnetic field
27.
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
28.
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
29.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
30.
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
31.
What type of magnet is this?
a)
a bar magnet
b)
a "U" magnet
c)
a horseshoe magnet
d)
a stick magnet
32.
Inside of magnets there are tiny magnets called _______
a)
atoms
b)
domains
c)
mini magnets
33.
If you drop or heat up a a magnet, what will eventually happen to it?
a)
the magnet will become stronger
b)
the magnet will demagnetize
34.
The center of a bar magnet is the strongest
a)
True
b)
False
35.
Magnetic NORTH is actually geographic _________
a)
SOUTH
b)
NORTH
c)
EAST
d)
WEST
36.
If the end of an unknown magnet sticks to a magnet pole labeled "North" the unknown end must be...
a)
North
b)
South
c)
East
d)
West
37.
Electricity can be used to create a magnet
a)
True
b)
False
38.
A Magnet can be used to create electricity
a)
True
b)
False
39.
Electricity & Magnetism are interconnected
a)
True
b)
False
40.
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.
41.
A magnet will not work in water.
a)
True
b)
False
42.
A magnetized iron nail is called a ________ magnet.
a)
permanent
b)
temporary
c)
horseshoe
d)
industrial
43.
On Earth, where is Magnetic North approximately located?
a)
The Equator
b)
The North Pole
c)
The South Pole
d)
New Brighton
44.
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.
45.
The groups of atoms which can align to create a magnet are called ________.
a)
domains
b)
magnetic units
c)
molecules
d)
electrons
100 %
