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WorksheetsElectricity
Total questions: 10
Worksheet time: 6mins
A material that lets electricity pass through is called an electrical...
conductor
insulator
appliance
variable
A material that does not let electricty pass through is called an electrical...
conductor
insulator
appliance
variable
Which of the following are electrical conductors?
HINT: There are two correct answers.
Silver
Silver-coloured plastic
Wood
Iron
Which of the following materials is a good electrical insulator?
Aluminium
Gold
Rubber
Copper
In which circuit will the bulb or bulbs glow brightest?
A simple circuit with one bulb and one battery
A simple circuit with one bulb and two batteries
A simple circuit with two bulbs and one battery
A simple circuit with no battery
Why is a bulb brighter when it is powered by two batteries rather than one?
Because the flow of electricity in the circuit is less
Because the flow of electricity in the circuit is the same
Because there is no flow of electricity
Because the flow of electricity in the circuit is greater
You connected two bulbs and two batteries in a simple circuit. How can it be made dimmer?
Replace one of the batteries with a section of wire
Replace one of the batteries with a cork
Remove the battery
Replace one of the bulbs with a section of wire
You make a simple circuit with one bulb and three batteries. The bulb flicers and goes out. Why?
Not enough electricity flows around the circuit
Too much electricity flows through the bulb's filament
The batteries are flat
There is no switch
Why is electrical wiring usually made from copper?
HINT: There are two correct answers
Copper is shiny
Copper is a good electrical conductor
Copper is less dangerous than other conductors
Copper is cheap
Why is electrical wiring usually covered with a layer of plastic?
To make it safer
To make it look pretty
To help electricity flow along the wire
Because it is cheap
