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WorksheetsCurrent Electricity
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
2.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
3.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
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.
If the lights are on, the circuit is
a)
closed
b)
open
10.
If the lights are off, the circuit is
a)
closed
b)
open
11.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
12.
What part of a circuit is this object?
a)
energy source
b)
energy receiver
c)
electrical conductor
d)
switch
13.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
14.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
15.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
16.
What is the purpose of a switch?
a)
To open and close the circuit.
b)
To carry the electricity through the circuit.
c)
To make a fun clicking sound
d)
To supply the power to the circuit
17.
What are the components of a simple circuit?
a)
wires, switch, outlet
b)
battery, switch, motor
c)
wires, light bulb, motor
d)
wires, battery, light bulb
18.
Is this circuit open or closed?
a)
Closed
b)
Open
19.
What kind of energy is the electricity transferred into in a toaster?
a)
sound
b)
light
c)
heat
d)
light and heat
20.
Choose the correct sentence.
a)
This circuit will work because it is an open circuit.
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
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