WorksheetsElectric Circuit
Total questions: 49
Worksheet time: 25mins
Name
Class
Date
1.
All electricity is the result of electrical charge.
a)
True
b)
False
2.
Which two are the types of electrical charges? Choose 2 answers.
a)
Negative
b)
Right
c)
Positive
d)
Left
3.
What is static electricity?
a)
It flows in a wire.
b)
It is a build up of electrical charge.
4.
Which two pictures show static electricity? Choose 2.
a)
b)
c)
d)
5.
What type of electricity do we use everyday?
a)
Static electricity
b)
Electric current
6.
Tick the ones you use everyday.
a)
b)
c)
d)
e)
7.
A _____________ is a path that is made of parts that work together to allow current to flow.
a)
Static electricity
b)
Circuit
c)
Insulator
8.
Which material is a conductor?
a)
Metal
b)
Plastic
c)
Rubber
9.
Which material is an insulator?
a)
Plastic
b)
Metal
c)
A spoon
10.
What is this in the picture?
a)
Plastic sticks
b)
Wires that carry electricity
c)
Skipping rope
11.
What is a current?
a)
A constant flow of electricity
b)
A path that a current can flow along
12.
What is a circuit?
a)
A constant flow of electricity
b)
A path that a current can flow along
13.
What are the 3 basic components of a circuit?
a)
Energy source, Load, Energy Pathway
b)
Battery, Energy source, Energy Pathway
c)
Battery, Wire, Energy Pathway
d)
ALL of them
14.
Gives a constant supply of electrons.
a)
Power source
b)
Load
c)
Energy Pathway
15.
An outlet in a wall and a battery are examples of __________.
a)
Power source
b)
Load
c)
Energy pathway
d)
ALL of them
16.
A device that uses electricity.
a)
Load
b)
Battery Source
c)
Energy pathway
17.
The light bulb in the circuit is an example of _______.
a)
Load
b)
Battery source
c)
Energy pathway
d)
All of them
18.
A wire is an example of _____.
a)
Battery source
b)
Energy pathway
c)
Load
d)
All of them
19.
Electrons need a GOOD PATH made of a ______ for them to flow.
a)
Conductor
b)
Insulator
20.
___________ wires keep electrons on course & protect us from the dangerous flow of electricity.
a)
Insulated
b)
Conducted
21.
From this picture which is the conductor and which is the insulator?
a)
Conductor: yellow wire, Insulator: black wire
b)
Insulator: yellow wire, Conductor: black wire
22.
A _______ controls whether an electric device is ON or OFF.
a)
electrical switch
b)
electric circuit
23.
If the electric circuit is CLOSED, the switch is _______.
a)
ON
b)
OFF
24.
If the electric circuit is OPEN, the switch is ____.
a)
ON
b)
OFF
25.
A ______ controls the flow of electrons by opening an closing a circuit.
a)
electrical switch
b)
electric circuit
26.
We need a _____ circuit for the light bulb to BE ON.
a)
closed
b)
open
27.
Which will light a bulb?
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
28.
Where does electricity enter and exit the bulb?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 1
29.
Which part of the bulb gives off light?
a)
1
b)
2
c)
3
d)
4
30.
Lightbulbs use electricity to make light. What else do lightbulbs often give off?
a)
Food energy
b)
Heat Energy
c)
Solar Energy
d)
Wind Energy
31.
Which bulbs will light?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 2
32.
Look at the drawing. What is the wire?
a)
A conductor
b)
A receiver
c)
An insulator
d)
An energy source
33.
One D size battery produces 1.5 volts. How many total votes would 20 D-cell batteries produce?
a)
7.5 volts
b)
30.0 volts
c)
21.5 volts
d)
35.5 volts
34.
Leo built a circuit tester. Which describes objects that complete the circuit?
a)
Batteries
b)
Conductors
c)
Diodes
d)
Insulators
35.
Which best describes objects that can complete a circuit?
a)
Most are silver in color
b)
Most are thick and smooth
c)
Most are made of metal
d)
Most are long and flexible
36.
In the picture, what powers the circuit?
a)
1
b)
2
c)
3
d)
4
37.
In the picture, which is the receiver (receiving the electricity)?
a)
1
b)
2
c)
3
d)
4
38.
In the picture, 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 charge
39.
In the picture, 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
40.
In the hidden circuit box, you saw that #2 and #5 were connected with a piece of wire. Also, #2 and #7 were connected. If you closed the box and used your circuit tester to touch #5 and #7, the bulb would light.
a)
True
b)
False
41.
Drew built a lightbulb model. Which best describes the purpose of the filament?
a)
To connect the bulb to the base
b)
To glow and make light
c)
To hold up the support wires
d)
To make the pathway from the battery
42.
Which of these symbols represents a switch? Select the symbol for a switch from the choices provided.
a)
A
b)
B
c)
C
d)
D
43.
Which diagram shows two bulbs in a series?
a)
1
b)
2
c)
3
d)
4
44.
Which do you expect to have the brightest light?
a)
1
b)
2
c)
3
d)
4
45.
Look at the drawing. Which best describes the switch?
a)
Closed
b)
Open
c)
Parallel
d)
Series
46.
How is the switch used?
a)
Insulates the wires
b)
Makes the lightbulb brighter
c)
Turns the lightbulb on and off
d)
Warms up the lightbulb
47.
Lola built a flashlight. Which describes Lola's flashlight?
a)
Bright light with batteries that burn out quickly
b)
Bright light with batteries that last a long time
c)
Dim light with batteries that burn out quickly
d)
Dim light with batteries that last a long time
48.
How does a diode change an electric circuit?
a)
The electricity can move in 2 directions
b)
The electricity moves much faster
c)
The electricity only moves backwards
d)
The electricity travels only in one direction
49.
Which circuit diagram matches this picture of a circuit?
a)
A
b)
B
c)
C
d)
D
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