Electricity and circuits

Which of the following are conductors?

• copper

• rubber

• wood

• graphite

What breaks and completes a circuit?

• Bulb

• Electric cell

• Wire

• Switch

Air is a/an ____________ of electricity.

The coloured plastic covering on an electric wire makes it ________________.

• long lasting

• more attractive

• resistant to corrosion

• safe to touch

When electricity passes through a bulb, it gives off ___________ and ______________.

• sound

• light

• electricity

• heat

What is a fuse?

• A safety device in the circuit.

• The part which lights up in a bulb when the bulb is switched on.

• The negative terminal of an electric cell.

• The positive terminal of a bulb.

What is the name of this device?

• fuse

• bulb

• resistor

• electric cell

Which of the following can be used to replace a switch in an electric circuit?

• Safety pin

• Paper clip

• a piece of wood

• a plastic pen

The filament of an electric bulb is a thin line made up of _____________________.

• copper

• aluminium

• tungsten

• nichrome

A bulb has __________________ terminals.