Font size
S
M
L
XL
WorksheetsElectricity and Magnetism Review
Total questions: 39
Worksheet time: 40mins
Name
Class
Date
1.
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
2.
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
3.
True or False: All metals stick to magnets.
a)
True
b)
False
4.
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
5.
A magnet will attract scissors if the scissors contain:
a)
copper
b)
aluminum
c)
gold
d)
nickel
6.
A device that uses a free-moving magnetic needle to show direction is a:
a)
Ruler
b)
magnet
c)
compass
d)
magnetic field
7.
Which of the following factors influences the strength of the electromagnet?
a)
Shape of the coil
b)
Number of turns of coil
c)
Types of current
d)
Colour of the core
8.
The direction of magnetic field produced by a current flowing through a straight conductor can be determined by
a)
Left-hand grip rule
b)
Right-hand grip rule
c)
Faraday's law
d)
Lenz's law
9.
How do you make an electromagnet stronger?
a)
Add a motor and/or lightbulbs
b)
Add more light bulbs and/or wire coils
c)
add more wire coils and/or a switch
d)
add more wire coils and/or batteries
10.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole
11.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
12.
What is true about electricity and magnetic fields?
a)
Electricity is needed to create any magnet.
b)
Electricity always creates a magnetic field.
c)
Electricity is stronger than a magnetic field.
d)
Electricity prevents magnetic fields from occurring.
13.
This kind of electricity is formed by the buildup of positive or negative charges on a surface.
a)
magnetism
b)
current electricity
c)
conductors
d)
static electricity
14.
Looking at the field lines in this picture, these two magnets are ________
a)
Attracting
b)
Repelling
c)
Attracting and Repelling
d)
Doing nothing
15.
Looking at the field lines in the picture above, the magnets, which orientation is possible?
a)
South - South
b)
North - South
c)
South - North
16.
Which diagram represents magnetic field lines between two north magnetic poles?
a)
b)
c)
d)
17.
The entire region surrounding a magnet is known as the:
a)
Magnetic Domain
b)
Lodestone
c)
A Compass
d)
Magnetic Field
18.
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
19.
This image is showing
a)
attraction
b)
repulsion
20.
Magnets that are arranged like this will _______.
a)
move away from each other (repel)
b)
move towards each other (attract)
21.
These magnets will _______.
a)
move away from each other (repel)
b)
move toward each other (attract)
22.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
23.
The accumulation of excess electric charge on an object is called
a)
Static electricity
b)
Electric discharge
c)
Resistance
d)
Circuit
24.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
25.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
26.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
27.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
28.
Which of the following is caused by static electricity?
a)
a stove getting hot when it is turned on
b)
a magnet being attracted to a refrigerator
c)
a lightning strike during a storm
d)
a light bulb coming on when a switch is turned on
29.
Why does a Van de Graaff generator make your hair stand up if you touch the dome?
a)
The current is trying to flow out of the hair ends.
b)
The electrons gather on the hair ends and repel each other.
c)
The hair is repelled by the dome of the Van de Graaff generator.
d)
The hair is attracted to the surrounding air.
30.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
31.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
32.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
33.
This circuit has more than one loop. When one light goes out, the others stay on.
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
34.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
35.
a)
Bulbs are in parallel - Circuit X is brighter than Circuit Y
b)
Bulbs are in parallel - Circuit Y is brighter than Circuit X
c)
Bulbs are in series - Circuit X is brighter than Circuit Y
d)
Bulbs are in series - Circuit Y is brighter than Circuit X
36.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than one source.
37.
Which best describes a series circuit?
a)
It has two light bulbs.
b)
The same current flows through both light bulbs.
c)
It uses a single battery.
d)
The current is divided between the light bulbs.
38.
What is one benefits of using a parallel circuit?
a)
It gets confusing.
b)
There are no problems.
c)
If one goes down, it does not affect the others.
d)
Porque es para llelio.
39.
Every time the number of components in a series circuit increases,
a)
... the current decreases more
b)
... the current increases more
c)
... the voltage increases more
Reset
