Worksheetselectric circuit
Total questions: 21
Worksheet time: 10mins
Why 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
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
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?
Silver spoon
Silver-colored plastic spoon
rubber 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 are the components of simple electric circuit?
battery, light bulb
battery, light bulb, wire
battery, light bulb wire and switch
battery, light bulb, switch
It is a component of electric circuit that provides electrical energy .
battery
light bulb
wire
switch
What type of circuit is shown in the picture?
open circuit
closed circuit
light bulb
wire
Why is the light bulb not lit?
the circuit is open because the switch is open
the circuit is closed because the switch is closed
the battery is dead and you need a new battery
the wires are not connected to the battery
Why is a battery important in an electrical circuit?
As a source of energy.
As a path for electricity to flow through.
As a connector to connect all parts of a circuit.
Does the bulb light up?
Yes
No
Conductor OR Insulator?
PLASTIC CHIPS
Conductor
Insulator
Conductor OR Insulator?
STICK
Conductor
Insulator
Conductor OR Insulator?
BRASS PAPER FASTENER
Conductor
Insulator
Conductor OR Insulator?
ROCK
Conductor
Insulator
Conductor OR Insulator?
WASHER
Conductor
Insulator
