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WorksheetsYear 8 Revision - Electricity
Total questions: 22
Worksheet time: 23mins
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.
If the two charges represented in the figure were brought near each other, they would
a)
attract each other.
b)
repel each other.
c)
cause static discharge.
d)
have no affect on each other
3.
Why do your clothes shock you when you take them out of the dryer?
a)
friction
b)
metal
c)
heat
d)
uneven amount of energy
4.
The charge of an electron is:
a)
Positive.
b)
Negative.
c)
Electrons have no charge
5.
Two like charges:
a)
neutralize each other.
b)
repel each other.
c)
must be neutrons.
d)
attract each other.
6.
Wood is a _____?
a)
conductor
b)
insulator
7.
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.
8.
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.
9.
What type of circuit is shown?
a)
Series Circuit
b)
Parallel Circuit
10.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
11.
A conductor is?
a)
material that current can pass through easily
b)
material that current cannot pass through easily
c)
magnet
d)
electric current
12.
What is the unit of Current?
a)
Amps
b)
Watts
c)
Volts
d)
Joules
13.
What does the voltage on a battery mean?
a)
The speed of electron flow through it.
b)
How tough it is for electrons to flow through it.
c)
The amount of energy given to the electrons.
d)
The amount of energy taken away from the electrons.
14.
What particle has a no charge?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
15.
What particle has a negative charge?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
16.
One thing you should do if there is an electrical fire is to _________________________________.
a)
Use a Carbon Dioxide Extinguisher
b)
Use a Water Fire Extinguisher
c)
Stand there and watch it
d)
Stomp on it
17.
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
18.
Compared to thin wires, electrical resistance in thick wires is:
a)
greater
b)
less
c)
the same
19.
The electric potential difference across a conducting material is measured as:
a)
voltage
b)
resistance
c)
power
d)
current
20.
Which device measures the current in a circuit?
a)
ammeter
b)
amplifier
c)
voltmeter
d)
rheostat
21.
All of the following are conductors except _______.
a)
spoon
b)
wire
c)
humans
d)
plastic
22.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
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