NEW
Font size
S
M
L
XL
WorksheetsMagnetism
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
2.
Magnetism is generated by moving
a)
protons.
b)
electrons.
c)
neutrons.
d)
elements.
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.
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
7.
An electromagnet's poles may be reversed by:
a)
decreasing the voltage of the coil
b)
increasing the number of coils
c)
changing the direction of current flow
d)
altering the material used to make the coils
8.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
9.
Electric motors are devices that convert _____ energy into _____ energy.
a)
electrical; mechanical
b)
mechanical; electrical
c)
chemical; potential
d)
mechanical; kinetic
10.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
11.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
12.
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
13.
What causes magnetism?
a)
the sun
b)
moving neutrons
c)
moving charges
d)
friction
14.
How can a wire become magnetic?
a)
point it north
b)
add a resistor
c)
heat it up
d)
run a current through it
15.
What device takes in mechanical energy and produces electricity?
a)
motor
b)
generator
c)
electromagnet
d)
battery
16.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
17.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
18.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
19.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
20.
Two north poles will attract.
a)
True
b)
False
21.
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
22.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
23.
How many poles does a magnet have?
a)
1
b)
2
c)
3
d)
4
24.
What happens if you cut a bar magnet in half?
a)
You get two North pole magnets
b)
You get two South pole magnets
c)
You get a North pole magnet and a South pole magnet
d)
You get two smaller magnets, each with a North and South pole
25.
What is an electromagnet?
a)
a magnet that creates an electric current
b)
a magnet created by an electric current
c)
a magnet that has an electric charge
d)
an electric charge that is magnetic
26.
2 ways to increase the magnetic force of an electro-magnet
a)
Increase the current flow, reduce the number of coils
b)
Increase the voltage, decrease the number of coils
c)
Increase the number of coils and the current flow
d)
Spread out the coils, replace iron core with rubber.
27.
The groups of atoms which can align to create a magnet are called ________.
a)
domains
b)
magnetic units
c)
molecules
d)
electrons
28.
GLASS
Magnetic or Non-Magnetic?
Magnetic or Non-Magnetic?
a)
magnetic
b)
non-magnetic
29.
NICKEL
Magnetic or
Non-Magnetic?
Magnetic or
Non-Magnetic?
a)
magnetic
b)
non-magnetic
30.
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.
Reset
