WorksheetsElectricity Review
Total questions: 60
Worksheet time: 2hrs 0mins
Name
Class
Date
1.
The accumulation of excess electric charge on an object is called
a)
Static electricity
b)
Electric discharge
c)
Resistance
d)
Circuit
2.
According to this law, a charge can be transferred from object to object, but it cannot be created or destroyed.
a)
Law of Conservation of Energy
b)
Newton's Third Law
c)
Law of Conservation of Charge
d)
Ohm's Law
3.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
4.
A material in which electrons are not able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
5.
Electric current that flows in only one direction.
a)
Voltage
b)
Direct Current
c)
Alternating Current
d)
Series Circuit
6.
The flow/movement of electric charges
a)
Voltage
b)
Resistance
c)
Current
d)
Circuit
7.
This is related to the force that causes electric charges to flow
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
8.
A closed path that electric current follows
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
9.
The tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light.
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
10.
According to this law, the current in a circuit equals the voltage difference divided by the resistance.
a)
Law of Conservation of Energy
b)
Ohm's Law
c)
Law of Conservation of Charges
d)
Newton's First Law
11.
The current has only has one loop to flow through in this circuit.
a)
Series Circuit
b)
Parallel Circuit
12.
This circuit contains two or more branches for current to move through.
a)
Series Circuit
b)
Parallel Circuit
13.
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.
14.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
15.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will get brighter.
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
16.
Why are metals useful for making electrical wire?
a)
Metals do not bend.
b)
Metals hold much heat.
c)
Metals are insulators.
d)
Metals are conductors.
17.
Which of these causes electrically charged objects to attract or repel each other?
a)
An equal number of protons.
b)
An equal number of electrons.
c)
An unequal number of electrons.
d)
An unequal number of molecules.
18.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from more than one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than 1 load.
19.
The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.
a)
True
b)
False
20.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
21.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
22.
What is # 3 pointing to in the diagram?
a)
base contact
b)
button contact
c)
support wires
d)
filament
23.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
24.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
25.
An ampere is unit of
a)
temperature
b)
electric current
c)
length
d)
magnetic force
26.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
27.
A series circuit is?
a)
A. Circuit with 1 path
b)
B. Circuit with more than 1 path
28.
A circuit with more than one path for energy to travel on is?×
a)
A. Series circuit
b)
B. Parallel circuit
c)
C. Ohm's Law
d)
D. Power=Voltage × Current
29.
What is an Electric Current?
a)
A. An Electric Field
b)
B. An Ampere
c)
C. The flow of electric charge.
30.
You can make a circuit with a wire and a light bulb.
a)
True
b)
False
31.
A conductor is a material that...
a)
stops electrcity
b)
lets electricity flow
c)
protects you
d)
holds a wire
32.
Which material conducts electricity?
a)
fabric
b)
plastic
c)
metal
d)
rubber
33.
An insulator is a material that...
a)
stops electrcity
b)
lets electricity flow
c)
protects you
d)
holds a wire
34.
In a circuit, energy flows out of the positive side of the battery.
a)
True
b)
False
35.
In a circuit, energy flows out of the negative side of the battery.
a)
True
b)
False
36.
The purpose of wires are to:
a)
carry electricity
b)
turn the circuit on and off
c)
provide energy
d)
create sound
37.
The purpose of a switch is to:
a)
carry electricity
b)
turn the circuit on and off
c)
provide energy
d)
create sound
38.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
39.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
40.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
41.
Which type of circuit has multiple paths (loops) for the electrons to flow?
a)
series circuit
b)
parallel circuit
42.
Does this diagram represent a complete or incomplete circuit?
a)
Complete
b)
Incomplete
43.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
44.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
45.
What type of circuit will have dimmer bulbs because the energy is shared equally among the bulbs?
a)
series circuit
b)
parallel circuit
46.
Which type of circuit will have brighter bulbs because each one has it's own path to the energy source?
a)
series circuit
b)
parallel circuit
47.
Which of the following is an example of an energy source?
a)
wire
b)
buzzer
c)
battery
d)
switch
48.
What part of a circuit is the image?
a)
electrical conductor
b)
switch
c)
energy source
d)
load (resistor)
49.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
50.
Does this diagram represent a complete or incomplete circuit?
a)
complete
b)
incomplete
51.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
52.
Does this diagram represent a complete or incomplete circuit?
a)
complete
b)
incomplete
53.
Does this diagram represent a complete or incomplete circuit?
a)
complete
b)
incomplete
54.
Does this diagram represent a complete or incomplete circuit?
a)
complete
b)
incomplete
55.
Does this diagram represent a complete or incomplete circuit?
a)
complete
b)
incomplete
56.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
57.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
58.
What part of the circuit is this object?
a)
switch
b)
electrical conductor
c)
load (resistor)
d)
energy source
59.
What part of a circuit is this object?
a)
energy source
b)
load (resistor)
c)
electrical conductor
d)
switch
60.
What part of a circuit is this object?
a)
energy source
b)
load (resistor)
c)
electrical conductor
d)
switch
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