Unit 5 Electrical Conductors and insulators

Material that allows electricity to pass through it is ....

• conductor

• conducting

• insulating

• insulator

Pure water is ....

• tap water

• sea water

• distilled water

• salt water

We use an instrument called a … to measure current.

• voltmeter

• multimeter

• forcemeter

• scale

Which metals are pure metal?

• brass and gold

• copper and steel

• brass and steel

• gold and copper

The part of the lamp that produces light is ....

• glass

• metal

• filament

• wire

Damaged electrical wiring is a major cause of accidents with electricity.

If mains electricity flows through your body, then you will get ....

• sleep

• an electric shock

• safe

• injury

Which image would represent a battery in an electrical circuit?

• 
• 
• 
• 

All metals conduct electricity but some metals conduct electricity better than others. which metal conducts electricity best?

• copper

• brass

• steel

• aluminium

Current stops flowing when the .... is off.

• switch

• wire

• styrofoam

• bulb

Look at the picture! These is a symbol of ....

• wire

• cell

• bulb

• bell