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WorksheetsElectrical Circuits
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
2.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
3.
Levi is wanting to light a bulb. What does he need to get the bulb to light?
a)
A battery and a paper clip
b)
A battery and a wire
c)
A paper clip and a wire
d)
A switch and a wire
4.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
5.
If you replace the paper clip with a plastic spoon, what is the plastic spoon acting as?
a)
A conductor
b)
A diode
c)
An insulator
d)
A switch
6.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
7.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
8.
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 broken.
9.
Which one is a conductor?
a)
wood
b)
iron
c)
plastic spoon
d)
paper
10.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
11.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
12.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
13.
The best conductors for electricity are made of...
a)
wood
b)
plastic
c)
rubber
d)
metal
14.
If I add more light bulbs to a series circuit what happens?
a)
The current speeds up and the lights get brighter
b)
The current slows down and the lights dim lower
c)
The current speeds up and the lights dim lower
d)
The current slows down and the lights get brighter
15.
wood is a _____?
a)
conductor
b)
insulator
16.
water is a______?
a)
conductor
b)
insulator
17.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
18.
When all parts of the circuit are connected it is a ______ circuit.
a)
open
b)
closed
19.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
20.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
21.
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.
22.
Why is electrical wiring usually made from copper?
a)
Because copper is shiny
b)
Because copper conducts electricity
c)
Because copper is not magnetic
d)
Because copper insulate electricity
23.
Why electrical wiring usually are covered with a layer of plastic?
a)
To make it look pretty
b)
To help electricity flow along the wire
c)
To insulate the flow of electricity.
d)
To conduct the flow of electricity.
24.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
25.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
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