Chapter 6 (Year 4)

A material that allows electricity to pass through is called:

• Insulator

• Conductor

• Switch

• Battery

Which of the following is a conductor?

• Plastic

• Copper

• Rubber

• Glass

Why is it important to cut wire covering away from you?

• To make the wire shorter

• To avoid injuring yourself

• To make the wire shiny

• To make the wire stronger

Which material is an insulator?

• Aluminium

• Steel

• Rubber

• Copper

When testing materials in a circuit, if the lamp lights up, the material is:

• An insulator

• A conductor

• A battery

• A switch

Why should you not touch bare wires when a circuit is complete?

• You may break the wire

• You may get an electric shock

• The lamp will not light up

• The battery will run out

Which tool is safest for stripping wire?

• Kitchen knife

• Wire stripper

• Scissors

• Screwdriver

Which of the following is MOST likely to be an insulator?

• Wood

• Aluminium foil

• Iron nail

• Steel spoon

Pure water is also called:

• River water

• Tap water

• Distilled water

• Salt water

Why does distilled water not conduct electricity?

• It has no salts dissolved in it

• It is too hot

• It is too cold

• It has too much light