Electric circuits

Worksheet: Electric circuits

Name:Class:

Answer the questions.

1. Which part of a simple circuit gives the energy to make the bulb light?
   a) The bulbb) The cellc) The switchd) The wire
2. What is the job of the wires in a circuit?
   a) They carry electricity aroundb) They make the lightc) They store sunlightd) They turn the bulb off
3. Which part of a circuit gives out light?
   a) The bulbb) The cellc) The switchd) The wire
4. Which part of a circuit can you press or flick by hand?
   a) A bulbb) A cellc) A switchd) A wire
5. A bulb is connected to a cell, but there is a gap in the wire. What happens?
   a) The bulb does not lightb) The bulb flickers foreverc) The bulb lights brightlyd) The cell gets bigger
6. A circuit must be a complete loop for electricity to flow.
   a) Trueb) False
7. Which material is a good electrical conductor?
   a) Copperb) Plasticc) Rubberd) Wood
8. Which material is an electrical insulator?
   a) Aluminium foilb) Copperc) Irond) Rubber
9. Why are electric wires covered in plastic?
   a) Plastic is a conductor, so it speeds up electricityb) Plastic is an insulator, so it keeps us safec) Plastic makes the electricity strongerd) Plastic makes the wire shine and look nice
10. When a switch is closed, the circuit is complete and the bulb can light.
    a) Trueb) False
11. What does a switch do in a circuit?
    a) It lights the bulb itselfb) It makes more electricityc) It opens or closes a gap in the circuitd) It stores electricity
12. What word describes a circuit when its switch is off?
13. It is safe to put a metal object into a wall socket.
    a) Trueb) False
14. Why should you never touch electrical sockets with wet hands?
    a) Water can let electricity pass throughb) Water makes electricity stopc) Water makes sockets quieterd) Water makes the socket cold
15. Name one metal that is a good conductor of electricity.
16. Name one electricity safety rule for children.