WorksheetsElectrical circuits
Total questions: 43
Worksheet time: 23mins
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
Which of the following materials is an electrical conductor?
Plastic spoon
Silver-colored plastic spoon
copper spoon
wooden spoon
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
What is a circuit that only has ONE path for electricity to flow?
series circuit
closed circuit
parallel circuit
light bulb
What is a circuit with several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
To complete the circuit, a wire should be placed from —
When the switch is closed the buzzer will sound because -
Why is electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
The circuit on the left is not complete (the light is off) because:
the switch is closed
the switch is open
the battery is missing
the battery is in backwards
The circuit on the right is complete (the light is on) because:
the switch is closed
the switch is open
the battery is hot
the battery is red
How many light bulbs would be ON with this complete circuit?
1
3
2
4
How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?
1
3
2
0
How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?
1
3
2
0
Circuit "A" is broken, because:
the switch is open
the switch is closed
the switch is black
the switch is not there
Circuit "B" is working (it flows), because:
the switch is open
the switch is closed
the switch is black
the switch is not there
What type of circuit is shown in the picture?
Series Circuit
Broken Circuit
Parallel Circuit
Open Circuit
What is missing from this circuit? Why would the light bulbs be off?
The battery, there is no power for the circuit to work.
The switch is open, so the circuit is broken.
The third light bulb, that is needed to complete the circuit.
The wires are not connected properly.
This steel paperclip would allow electricity to flow through it because:
it is a conductor
it is an insulator
it is friendly
it breaks the circuit
This rubber ducky would block the flow of electricity, because:
it is a conductor
it is an insulator
it is yellow
it completes the circuit
True or False: A wooden block would allow electricity to flow through it because wood is a great conductor of electricity.
True
False
True or False: A steel nail would allow electricity to flow through it because steel is a great conductor of electricity.
True
False
Which one of these is a good conductor of electricity?
Paper Tube
Wax String
Metal Wire
Hot Tacos
What is this?
Battery
Bulb
Wire
Motor
Switch
What is this?
Battery
Bulb
Wire
Motor
Switch
What is this?
Battery
Bulb
Wire
Motor
Switch
What is this?
Battery
Bulb
Wire
Motor
Switch
What is this?
Battery
Bulb
Wire
Motor
Switch
Choose three things we need to make a circuit?
Battery, wire and switch.
Bulb, battery and motor.
Wire, bulb and motor.
Motor, bulb and battery.
Switch,motor and battery.
Which circuit will not work?
A
B
C
D
This circuit has two batteries, switch and a motor?
A
B
C
D
This circuit has one battery, switch and a motor?
A
B
C
D
This circuit has two batteries switch and a two bulbs?
A
B
C
D
Which one of these toys don't use batteries?
Car and remote
Torch
Basketball
Are mains electricity dangerous?
No
Yes
Name the components in this torch? Number 1
Bulb
Switch
Wire
Batteries
Name the components in this torch? Number 2
Bulb
Switch
Wire
Batteries
Name the components in this torch? Number 3
Bulb
Switch
Wire
Batteries
Name the components in this torch? Number 4
Bulb
Switch
Wire
Batteries
