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Electricity End of Unit

Total questions: 78

Worksheet time: 52mins

Name
Class
Date
1.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
2.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
3.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
4.

What does a solar cell do?

a)

it converts light into electrical energy

b)

it converts wind into electrical energy

c)

it transmits radio wave signals into space

d)

it converts water into solar energy

5.
What form of energy is also described as "energy of motion"?
a)
Potential
b)
Mechanical
c)
Kinetic
d)
Electrical
6.
"Stored energy" is another way of describing what energy type?
a)
Potential
b)
Electrical
c)
Kinetic
d)
Mechanical
7.
This form of energy does NOT come from the sun.
a)
Solar
b)
Thermal
c)
Light
d)
Sound
8.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
9.
Which statement is true?
a)
The quicker a molecule moves, the colder it is.
b)
The slower a molecule moves, the warmer it is.
c)
The quicker a molecule moves, the warmer it is
d)
The movement of a molecule doesn't affect its temperature
10.
Is this energy renewable or non-renewable?
a)
renewable source of energy
b)
non-renewable source of energy
11.

What does the Law of Conservation of Energy state?

a)

energy is always created, but not destroyed

b)

energy cannot be created or destroyed

c)

energy cannot be created, but can be destroyed

d)

energy is always being created and destroyed

12.

______________________ occurs when energy changes from one form to another.

a)

Energy transformation

b)

Energy transfer

c)

Energy balance

d)

Energy equilibrium

13.

Select the examples of energy transfer

a)

A dog sits next to a space heater.

b)

A child pushes the switch of a flashlight.

c)

A computer plays a video.

d)

A cat pushes a glass off the table.

e)

A soccer player eats a big breakfast to prepare for the game.

14.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

15.

Identify the energy transfer

a)

chemical to solar

b)

electrical to thermal

c)

chemical to light

d)

thermal to kinetiv

16.

Energy can not be _________ or ___________.

a)

Transferred, transformed.

b)

Heat, light

c)

Created, destroyed

d)

Used, transferred

17.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
18.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
19.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
20.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
21.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
22.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
23.
When the switch is closed, the light
a)
comes on
b)
stays off
c)
burns out
24.
The plastic around the wire is
a)
conductor
b)
insulator
c)
decoration
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.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
28.

Why do electricians always wrap wires in plastic?

a)

Plastic comes in many different colors

b)

Plastic is a good electrical conductor

c)

Plastic makes the wires easy to bend

d)

Plastic is a good electrical insulator

29.

Which of these materials is a good conductor of electricity?

a)

Rubber

b)

Metal

c)

Newspaper

d)

Glass

30.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity

b)

There is too much dust in the air

c)

A parallel circuit was too long

d)

The person needs to wash his hair

31.

which of the following materials are best used as insulators?

a)

Wood

b)

Rubber

c)

Metal

d)

Plastic

32.

What contribution did Thomas Edison make toward the study of electricity?

a)

He invented the light bulb

b)

He invented a generator that would produce electricity

c)

He discovered the nucleus of an atom

d)

He discovered that lightning is a form of electricity

33.
A switch that opens a circuit by turning itself off is a...
a)
circuit breaker
b)
motor
c)
electromagnet
d)
insulator
34.
The only charges that can move from one object to another are___________ charges.
a)
electric
b)
neutral
c)
positive
d)
negative
35.
I open overloaded circuits by melting.
a)
circuit
b)
conductor
c)
insulator
d)
fuse
36.
A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?
a)
plastic straw
b)
cotton string
c)
aluminum foil
d)
rubber eraser
37.
A class prepared some electrical circuits using battery, connecting wires, and three light bulbs.  Which of these circuits can make the three bulbs light?
a)
A
b)
B
c)
C
d)
D
38.
The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
39.
What material would be safest to use as an insulator to cover electrical wires?
a)
rubber
b)
tin
c)
aluminum
d)
water
40.
This instrument can be used to see if materials conduct electricity.  Which of these groups contains items that could all conduct electricity to complete the circuit?
a)
rubber ball, plastic comb, nail
b)
paper clip, penny, screw
c)
cork, dollar bill, tweezers
d)
pencil, eraser, spoon
41.
Glass is a 
a)
conductor
b)
insulator
42.

Which of these is caused by static electricity?

a)

A magnet attracts a paper clip

b)

Glue holds two pieces of paper together

c)

Socks taken from a clothes dryer stick together

d)

Ice sticks to a car’s windshield

43.

Which choice describes the behavior of an electric charge?

a)

Like charges attract. Unlike charges repel.

b)

Like charges repel. Unlike charges attract.

c)

Like charges attract. Unlike charges attract.

d)

Like charges repel. Unlike charges repel.

44.

An electric circuit contains a battery, a switch, and a bulb. Which of the following will MOST LIKELY happen if you add another battery to the circuit?

a)

The bulb will not shine

b)

The bulb will shine brighter than it did with one battery

c)

The bulb will shine the same

d)

The bulb will shine half as bright as it did with one battery

45.

How many light bulbs would be ON with this complete circuit?

a)

1

b)

3

c)

2

d)

4

46.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0

47.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0

48.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0

49.

Circuit "A" is broken, because:

a)

the switch is open

b)

the switch is closed

c)

the switch is black

d)

the switch is not there

50.

Circuit "B" is working (it flows), because:

a)

the switch is open

b)

the switch is closed

c)

the switch is black

d)

the switch is not there

51.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

52.

What is missing from this circuit? Why would the light bulbs be off?

a)

The battery, there is no power for the circuit to work.

b)

The switch is open, so the circuit is broken.

c)

The third light bulb, that is needed to complete the circuit.

d)

The wires are not connected properly.

53.

True or False: A wooden block would allow electricity to flow through it because wood is a great conductor of electricity.

a)

True

b)

False

54.

Look at the diagram. What is the term for "B"?

a)

Conductor

b)

Switch

c)

Transformer

d)

Source

55.

Look at the diagram. What is the term for "C"?

a)

Conductor

b)

Switch

c)

Transformer

d)

Source

56.

Look at the diagram. What is the term for "D"?

a)

Conductor

b)

Switch

c)

Transformer

d)

Source

57.

A ______ opens and closes an electric circuit.

a)

conductor

b)

switch

c)

source

d)

insulator

58.

A ____ circuit has only one path for electrons to flow and therefore, when one portion of the circuit is disrupted, the whole circuit shuts down.

a)

series

b)

complete

c)

incomplete

d)

parallel

59.
What is a current?
a)
A constant flow of electricity 
b)
A path that a current can flow along
60.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
61.

What are the 3 basic components of a circuit?

a)

Energy source, Load, Energy Pathway

b)

Battery, Energy source, Energy Pathway

c)

Battery, Wire, Energy Pathway

d)

ALL of them

62.

What is the power source in this circuit?

a)

Bulb

b)

Switch

c)

Wire

d)

Battery

63.

Students wanted to know how a bell could ring with the push of a button. The circuit is designed to change electrical energy into what other type of energy?

a)

chemical

b)

heat

c)

light

d)

sound

64.

How many paths does a series circuit have?

a)

4

b)

3

c)

2

d)

1

65.

What is a parallel circuit?

a)

It is a circuri rhar has one path for energy to flow.

b)

It is a circuit that has no paths for energy to flow.

c)

It is a circutt that has several paths for energy to flow.

d)

None of the above.

66.
Current is measured in....
a)
Amps 
b)
Volts
c)
Ohms
d)
Coulombs
67.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
68.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
69.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
70.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
71.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
72.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
73.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
74.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs. 
75.

Which answer best describes the voltage of a battery?

a)

how long it will last for

b)

how strongly it can push the current

c)

how fast the current will be

d)

how large the battery is

76.

Which statement is true?

a)

The light bulb will light up because the circuit is complete.

b)

The light bulb will light up because the circuit is broken.

c)

The light bulb will not light up because the circuit is complete.

d)

The light bulb will not light up because the circuit is open.

77.
The movement of electrons from atom to atom in a closed wire results in a flow of _____
a)
electric current.
b)
electric voltage.
c)
electron
d)
proton
78.

AC stands for ___.

a)

Alternating Current

b)

Attraction Connections

c)

Cooling Current

d)

None

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