WorksheetsElectrical Energy
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
An example of energy in the form of motion is
a)
washing machine
b)
flashlight
c)
light bulb
d)
stove
2.
What kind of bulb uses gas to produce light?
a)
incandescent
b)
fluorescent
c)
filament
d)
automatic
3.
Electrical energy can be changed into what type of energy?
a)
Heat, light and motion
b)
fluorescent
c)
glowing
d)
short circuit
4.
Electrical energy can be changed into what type of energy?
a)
light
b)
circuits
c)
fuse
d)
candle
5.
What kind of light has a thin wire that heats up and glows because it resists the electric current?
a)
flourescent
b)
incadescent
c)
filament
d)
solar
6.
What stops the flow of charges by switching off the current if it gets too high?
a)
fuse
b)
outlet
c)
circuit breaker
d)
charger
7.
Where does the power that comes to your house begin?
a)
wires
b)
step-up transformer
c)
step-down transformer
d)
power plant
8.
What boosts the voltage of an electric current?
a)
wires
b)
step-up transformer
c)
step-down transformer
d)
transformer
9.
What voltage does a step-up transformer create?
a)
175,000
b)
400,000
c)
120,000
d)
240,000
10.
Appliances at home usually run on what voltage?
a)
120 or 240
b)
250 or 500
c)
175 or 250
d)
120 or 175
11.
As it travels, what changes the voltage of electric current?
a)
wires
b)
transformers
c)
fuses
d)
circuit
12.
An incandescent bulb produces _____ and ________.
a)
heat and motion
b)
heat and light
c)
light and motion
d)
heat
13.
What causes electrical fires?
a)
long circuits
b)
fuses
c)
short circuits
d)
insulators
14.
What happens to a fuse if the electric current in a circuit gets too high?
a)
It melts.
b)
It melts and breaks the circuit.
c)
It does a cartwheel.
d)
It dies.
15.
What stops the flow if there is too much electric current?
a)
metal
b)
surge protector
c)
circuits
d)
power plant
16.
Frayed insulation might cause what to happen?
a)
A short circuit
b)
Electrical charge
c)
The dog to bark
d)
A light bulb to glow
17.
Is the circuit connecting the power plant and the homes in your neighborhood a parallel or series ciruit?
a)
parallel
b)
series
c)
Neither
d)
Both a series and a parallel circuit
18.
Plugging too many devices into one circuit can cause too much ____________ to go through a __________.
a)
current, wire
b)
current, power plant
c)
current, outlet
d)
ice cream, cone
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