Electricity Year 7

What is created by a continuous flow of electrons?

• a switch

• an electric current

• a magnet

• the electric slide

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What kind of circuit only has one pathway for the current?

• series circuit

• open circuit

• parallel circuit

• short circuit

A current flowing through a wire creates a ________.

• lightning storm

• magnetic field

• static electricity

• switch

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Who proved lightning is a form of electricity?

• Thomas Edison

• Benjamin Franklin

• Michael Faraday

• George Washington

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Wrapping a wire around certain iron-bearing metals (iron nail) and creating a closed circuit is an example of a/an ________.

• electromagnet

• switch

• open circuit

• electron

An object with a negative charge will ________ an object with a positive charge.

• eat

• attract

• absorb

• repel

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An object with a negative charge will ________ an object with a negative charge.

• attract

• repel

• absorb

• kill

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In this picture, the iron filings show the shape of the magnetic -

• pole

• core

• field

• axis

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What contribution did Thomas Edison make toward the study of electricity?

• He invented the light bulb

• He invented a generator that would produce electricity

• He discovered the nucleus of an atom

• He discovered that lightning is a form of electricity

A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?

• Opening the switch broke the circuit

• The battery was probably going flat

• There was too much electricity flowing

• Opening the switch closed the circuit

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