WorksheetsYear 4 - Science - Electricity
Total questions: 10
Worksheet time: 5mins
Which group of materials make good electrical conductors?
Metals
Plastics
Fruits
Woods
Which of these materials is an electrical insulator?
Copper
Steel
Glass
Aluminium
Which components would you need to make a circuit which turns a bulb on and off?
Bulb & holder
Wires
Switch
Bulb & holder
Bulb & holder
Wires
Cell & holder
Buzzer
Cell & holder
Buzzer
Switch
Bulb & holder
Bulb & holder
Cell & holder
Wires
Switch
For a circuit to work it must be:
Incomplete
Powerful
Complete
Large
Which of these devices would usually be powered by electrical cells? (Tick two).
Mobile phone
Torch
Desktop computer
Television (T.V.)
Which of these devices would usually be powered by mains electricity? (Tick two).
i-pad
Electric oven
Remote-controlled car
Hairdryer
What is an electric socket?
A pair of electrically heated socks
A place in a wall where you can plug in electrical devices to get power
A machine that generates electricity
Something that doesn't conduct electricity
What material are electrical wires made from?
Red plastic
Black plastic
Metal covered in coloured plastic
Thin plastic tubing
What is an electrical cell?
A device which stores electricity
A device which makes electricity
A device which uses electricity
A device which destroys electricity
Why was Nikolai Tesla important?
He invented the best electric lightbulb
He invented the best way to send electrical power over long distances
He invented the best way to make cheap electricity
He invented the best way to power televisions by electricity
