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WorksheetsElectricity and Magnetism Unit Test
Total questions: 40
Worksheet time: 1hrs 28mins
Name
Class
Date
1.
What is electricity?
a)
The movement of electrons
b)
The movement of protons
c)
Heat
d)
Light
e)
The movement of neutrons
2.
What kind of charge do electrons have?
a)
Positive
b)
Neutral
c)
Negative
d)
Alternating
e)
Visa
3.
What kind of charge do protons have?
a)
Positive
b)
Neutral
c)
Negative
d)
Alternating
e)
Discover
4.
What kind of charge do neutrons have?
a)
Positive
b)
Neutral
c)
Negative
d)
Alternating
e)
Mastercard
5.
The path current electricity follows is called a(n):
a)
Electron
b)
Insulator
c)
Circle
d)
Generator
e)
Circuit
6.
What causes clothes coming out of a dryer to crackle and to stick together?
a)
Elmer’s School Glue
b)
Static Electricity
c)
Current Electricity
d)
Magnetism
e)
Erosion
7.
Which is an example of static electricity?
a)
Electrons flowing through a closed circuit with a battery to light up a bulb.
b)
Electrons flowing through an open circuit with a battery to light up a bulb
c)
Lightning
d)
Protons jumping from atom to atom and person to person.
8.
Pure water is a good conductor
a)
true
b)
false
9.
Electric flows best through which of these substances
a)
Glass
b)
Rubber
c)
Copper
d)
plastic
e)
insulators
10.
An open circuit made with a battery can light up a bulb.
a)
true
b)
false
11.
A parallel circuit has just one path that electricity can flow.
a)
true
b)
false
12.
Which are good insulators?
a)
Glass
b)
Rubber
c)
Copper
d)
Plastic
e)
Gold
13.
Insulators allow electrons to easily flow through them.
a)
true
b)
false
14.
What sort of metals make good magnets
a)
iron
b)
nickel
c)
steel
d)
copper
e)
cobalt
15.
What do you not need to make an electromagnet?
a)
an iron core
b)
coils of wire or a conductor wrapped around a core
c)
a source of electricity
d)
a way to open and close the circuit
e)
a bell
16.
Electric magnets only work when the circuit is open.
a)
true
b)
false
17.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
18.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
19.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
20.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
21.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
22.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
23.
Which of the following is shown?
a)
electromagnet
b)
electric motor
c)
electric generator
d)
transformer
24.
The diagram below shows an electrical circuit. This circuit is a series circuit because
a)
it has three light bulbs.
b)
the same current flows through all three light
bulbs.
c)
it uses a single battery.
d)
the current is divided between the light bulbs.
25.
What is one problem with using a series circuit?
a)
It has a lot of series.
b)
If one light goes down, they all go down!
c)
It doesn't work properly.
d)
There are no problems.
26.
What is a benefit of using a parallel circuit?
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others.
d)
If one light goes out, they all go out.
27.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
28.
Overloading a circuit with too many appliances could cause overheating and fire.
a)
True
b)
False
29.
It is unsafe for you to work with electricity when you are wet or standing in water.
a)
True
b)
False
30.
Your body is a conductor of electricity.
a)
true
b)
false
31.
In the event that someone is being shocked by electricity you would never ________________.
a)
call an adult
b)
call 911
c)
touch them
d)
yell for help
32.
It is important when you see a down power line to _______________________________________.
a)
stay far away from it
b)
walk up and see what is happening
c)
pick it up and move it
d)
throw something at it
33.
What do we plug things into for power?
a)
The wall
b)
Our Phones
c)
Power Outlets
d)
Telephone Poles
34.
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
35.
A north pole and a south pole will attract.
a)
True
b)
False
36.
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
37.
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
38.
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
39.
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.
40.
This is called a(n) ...
a)
Meter
b)
Electrical Meter
c)
Wifi Router
d)
Stove Meter
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