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WorksheetsElectricity and Magnetism Unit Review
Total questions: 52
Worksheet time: 2hrs 52mins
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.
Which are good insulators?
a)
Glass
b)
Rubber
c)
Copper
d)
Plastic
e)
Gold
14.
Which are good insulators?
a)
Glass
b)
Rubber
c)
Copper
d)
Plastic
e)
Gold
15.
Which are good conductors?
a)
Glass
b)
Rubber
c)
Copper
d)
Plastic
e)
Gold
16.
Insulators allow electrons to easily flow through them.
a)
true
b)
false
17.
Conductors allow electrons to easily flow through them.
a)
true
b)
false
18.
What sort of metals make good magnets
a)
iron
b)
nickel
c)
steel
d)
copper
e)
cobalt
19.
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
20.
Electric magnets only work when the circuit is open.
a)
true
b)
false
21.
Which substances are attracted by magnets?
a)
iron
b)
copper
c)
cobalt
d)
steel
e)
nickel
22.
Which substances (conductors) allowed electrons to pass through to light up the bulb?
a)
paper
b)
plastic
c)
scissor blades
d)
index card
e)
staples
23.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
24.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
25.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
26.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
27.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
28.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
29.
Which of the following is shown?
a)
electromagnet
b)
electric motor
c)
electric generator
d)
transformer
30.
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.
31.
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.
32.
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.
33.
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.
34.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
35.
It is always advisable to ask questions about the things you do not fully understand before doing electrical wiring work.
a)
True
b)
False
36.
Overloading a circuit with too many appliances could cause overheating and fire.
a)
True
b)
False
37.
It is unsafe for you to work with electricity when you are wet or standing in water.
a)
True
b)
False
38.
It is much safer to pull an electrical cord by pulling the cord instead of the plug.
a)
True
b)
False
39.
Your body is a conductor of electricity.
a)
true
b)
false
40.
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
41.
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
42.
What do we plug things into for power?
a)
The wall
b)
Our Phones
c)
Power Outlets
d)
Telephone Poles
43.
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
44.
A north pole and a south pole will attract.
a)
True
b)
False
45.
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
46.
True or False: All metals stick to magnets.
a)
True
b)
False
47.
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
48.
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
49.
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
50.
What is our best evidence that Earth has a magnetic field?
a)
All things fall toward Earth's center
b)
A compass needle lines up with it
c)
Winds blow from east to west
d)
Earth's oceans all have currents
51.
A magnet cannot not move which of the following objects?
a)
a paper clip
b)
a nail
c)
a toothpick
d)
a staple
52.
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.
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