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Electricity

Total questions: 82

Worksheet time: 53mins

Name
Class
Date
1.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
2.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
3.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
4.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
5.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
6.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
7.
When the switch is closed, the light
a)
comes on
b)
stays off
c)
burns out
8.
The plastic around the wire is
a)
conductor
b)
insulator
c)
decoration
9.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
10.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
11.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
12.

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

13.

Which of these materials is a good conductor of electricity?

a)

Rubber

b)

Metal

c)

Newspaper

d)

Glass

14.

The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?

a)

The switch produced an electric current

b)

Closing the switch broke the circuit

c)

Closing the switch completed the circuit

d)

The switch did not make a difference

15.

Which of the following items would conduct electricity?

a)

Aluminum ladder

b)

Metal screwdriver

c)

Wooden baseball bat

d)

Rubber flip flops

16.

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

17.

which of the following materials are best used as insulators?

a)

Wood

b)

Rubber

c)

Metal

d)

Plastic

18.

The student arrived home and turned on a light switch, so she could see how to get to her bedroom. The switch allowed electricity to flow and was transformed into-

a)

Light energy

b)

mechanical energy

c)

superior energy

d)

radiant energy

19.

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

20.

Electricity used to operate a toaster or stove is transformed to -

a)

Potential energy

b)

Mechanical energy

c)

Superior energy

d)

Radiant energy

21.

After returning from a winter vacation, a boy wanted to heat his home using electricity. The electricity was transformed into -

a)

Mechanical energy

b)

Superior energy

c)

Thermal energy

d)

Light energy

22.

What force causes two metals to repel or attract?

a)

Friction

b)

Gravity

c)

Magnetism

d)

Electricity

23.

Rubber does not allow electricity to flow through it, so it is a _______________________________.

a)

conductor

b)

insulator

24.

Cardboard does not allow electricity to flow, therefore cardboard is a(n) __________________.

a)

conductor

b)

insulator

25.
A switch that opens a circuit by turning itself off is a...
a)
circuit breaker
b)
motor
c)
electromagnet
d)
insulator
26.
The only charges that can move from one object to another are___________ charges.
a)
electric
b)
neutral
c)
positive
d)
negative
27.
I am the crackle you hear when you touch a doorknob after rubbing your feet across a carpet.
a)
electric circuit
b)
electric discharge
c)
fuse
d)
conductor
28.
I open overloaded circuits by melting.
a)
circuit
b)
conductor
c)
insulator
d)
fuse
29.
Copper is a good conductor of electricity.
a)
true
b)
false
30.
Rubber is a good insulator.
a)

true

b)
false
31.
In an incomplete circuit, the light bulb would be lit.
a)
true
b)
false
32.
Lightning is an example of static electricity.
a)
true
b)
false
33.
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
34.
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
35.
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
36.
Which of these substances conducts electricity the best?
a)
wood
b)
brick
c)
copper
d)
plastic
37.
What material would be safest to use as an insulator to cover electrical wires?
a)
rubber
b)
tin
c)
aluminum
d)
water
38.
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
39.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
40.
Glass is a 
a)
conductor
b)
insulator
41.

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

42.

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.

43.

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

44.

A thin strip of metal foil has a negative electric charge. You bring a balloon that also has a negative charge near the foil. What will MOST LIKELY happen?

a)

The foil will bend toward the balloon

b)

The foil will bend away from the balloon

c)

The balloon will cause the foil to have a positive charge

d)

The foil will cause the balloon to have a positive charge

45.

Like or similar poles on two magnets will __________.

a)

Attract each other

b)

Have no effect

c)

Repel each other

d)

All of these

46.

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

a)

1

b)

3

c)

2

d)

4

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.

This steel paperclip would allow electricity to flow through it because:

a)

it is a conductor

b)

it is an insulator

c)

it is friendly

d)

it breaks the circuit

54.

This rubber ducky would block the flow of electricity, because:

a)

it is a conductor

b)

it is an insulator

c)

it is yellow

d)

it completes the circuit

55.

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

56.

True or False: A steel nail would allow electricity to flow through it because steel is a great conductor of electricity.

a)

True

b)

False

57.

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

a)

Conductor

b)

Switch

c)

Transformer

d)

Source

58.

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

a)

Conductor

b)

Switch

c)

Transformer

d)

Source

59.

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

a)

Conductor

b)

Switch

c)

Transformer

d)

Source

60.

A ______ opens and closes an electric circuit.

a)

conductor

b)

switch

c)

source

d)

insulator

61.

Electricity from a power plant, solar conversion, and batteries are all examples of _____

a)

conductors

b)

insulators

c)

sources

d)

switches

62.

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

63.
What is a current?
a)
A constant flow of electricity 
b)
A path that a current can flow along
64.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
65.

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

66.

What is the power source in this circuit?

a)

Bulb

b)

Switch

c)

Wire

d)

Battery

67.

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

68.

How many paths does a series circuit have?

a)

4

b)

3

c)

2

d)

1

69.

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.

70.
Current is measured in....
a)
Amps 
b)
Volts
c)
Ohms
d)
Coulombs
71.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
72.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
73.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
74.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
75.
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
76.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
77.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
78.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs. 
79.

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

80.

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.

81.
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
82.

AC stands for ___.

a)

Alternating Current

b)

Attraction Connections

c)

Cooling Current

d)

None

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