Electric Charge and Static Electricity Quiz

Electrons have a (a)   charge.

• positive

• negative
• neutral

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Protons have a (a)   charge.

• positive

• negative

• neutral

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Which of the following is true?

• Electric charge is transferred when electrons move.

• Electric charge is transferred when protons move.

• Electric charge is transferred when protons and neutrons change places.

• Electric charge is transferred only when all objects have balanced charges.

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NGSS.MS-PS2-3

The build up of electric charges on the surface of objects is known as

• electric force

• electricity

• static electricity

• a circuit

An area over which an electric charge is exerted is called an

• conductor

• insulator

• circuit

• electric field

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The comb has been rubbed with a piece of wool fabric and placed next to some scraps of paper. Some paper moves toward the comb. The movement of the paper is caused by

• chemical energy

• magnetic attraction

• mechanical energy

• static electricity

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The picture shows a comb that was used on a cold, dry day. Which of the following is the best explanation of why some of the paper bits were attracted to the combs while others were not.

• Electric force gets weaker the farther away objects are from each other.

• Some paper had iron in it and some didn’t.

• Magnetic force gets weaker the farther away objects are from each other.

• Protons moved more easily in the paper that was attracted to the comb.

Two balloons are hanging from a stick. Both balloons have a positive charge. How would you expect the balloons to move?

• towards each other

• away from each other

• there would be no movement

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NGSS.MS-PS2-3

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Two balloons are hanging from a stick. One balloon has a positive charge and the other has a negative charge. How would you expect the balloons to move?

• towards each other

• away from each other

• there would be no movement

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

The ball on the string is being repelled (pushed away) by the metal bar. What must be the charge on the ball?

• positive

• negative

• neutral

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