Electricity Science Retrieval Quiz Yr4 Trinity

Which items need electricity to work?

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The power source of a circuit is the

Electricity is a form of

Which of these circuits are complete?

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Which of these objects would keep a bulb lit if placed into a circuit?

• paper

• metal spoon

• rubber

• screws

• stick

A material which an electrical current cannot flow through

• electrical conductor

• complete circuit

• electrical insulator

• incomplete circuit

A switch...

• "breaks" a complete circuit

• does not conduct electricity

• is a useful way of controlling the electrical flow around a circuit

Who invented the first practical incandescent light bulb?

• Nikola Tesla

• Thomas Edison

• Nikola Edison

• Thomas Tesla

Which is these items are powered by batteries?

• calculator

• laptop

• TV

• iPad

• lamp