WorksheetsConductors and insulators
Total questions: 14
Worksheet time: 11mins
What type of materials allow electricity to flow freely?
Insulators
Currents
Conductors
Inductors
Voltages
What type of materials are resistant to the flow of electricity?
Insulators
Currents
Conductors
Inductors
Voltages
Which of the following is the most conductive element?
Silicon
Iron
Carbon
Hydrogen
Silver
Which of the following is a good insulator?
Paper
Glass
Air
All of the above
None of the Above
Which of the following is an example of an insulator?
wooden block
nail
penny
paper clip
Why are electric wires coated in plastic or rubber?
to keep you from getting electrocuted
for decoration
it is cheaper
to prevent you from freezing
Which of these is not an electrical conductor?
Gold
Copper
Aluminium
Rubber
A material which is an electrical conductor does what?
It does not allow electricity to pass through it easily
It does not allow heat to travel through it easily
It allows heat to travel through it easily
It allows electricity to pass through it easily
Why are insulators important in an electrical circuit?
Electricity will only flow through insulators
They make the circuit safe to touch
Light bulbs and buzzers are only made of insulating materials
All of the above
In a complete electrical circuit, which materials does electricity flow through?
Electrical insulators
Electrical conductors
Only leads or wires
Only batteries
A material which is an electrical insulator does what?
It does not allow electricity to pass through it easily
It does not allow heat to travel through it easily
It allows heat to travel through it easily
It allows electricity to pass through it easily
Which of these could be used to complete an electrical circuit?
A piece of gravel
A rubber
A crayon
A pair of scissors
Which of these is not an electrical insulator?
Wood
Plastic
Silver
Glass
Why are electrical plugs made of plastic?
Plastic is stronger than all other materials
Plastic is a good electrical conductor
Plastic protects people from electricity
Only plastic can be made into the right shape for a plug
