Basic Electricity Quiz

What is a volt?

• A measure of the size of a battery

• A unit to measure the strength of electricity

• The speed of electrical current

• A kind of electrical appliance

What is the voltage of mains electricity in some countries?

• 1.5V

• 55V

• 110V or 220V

• 5000V

What is a conductor?

• A material that blocks electrical current

• A material that allows an electrical current to pass through

• A switch used in appliances

• An object made of plastic

What is an insulator?

• A material that helps electricity flow

• A metal used in wiring

• A material that does not allow an electrical current to pass through

• A battery charger

What material is the wall socket made out of, and why?

• Copper, because it is a good conductor

• Plastic, because it is an insulator

• Metal, because it looks shiny

• Rubber, to make it soft

Why can’t we touch the wires inside the wall?

• Because they are very small

• Because they are hot

• Because they are inside the wall and surrounded by insulating plastic

• Because they are hidden behind furniture

What is the handle of the kettle made of and why?

• Metal, to heat faster

• Copper, for a better look

• Plastic, which is an insulator

• Rubber, for decoration

What did Benjamin Franklin prove by flying a kite in a thunderstorm?

• That kites can fly in any weather

• That lightning was electricity

• That iron rods can attract birds

• That clouds create rain

Which one of these is a conductor?

• Wooden spoon

• House key

• A piece of paper

• Rubber band

Which one of these is an insulator?

• Iron nail

• Silver fork

• Rubber eraser

• Penny