Electricity and Magnetism Quiz

Two objects have collected static electricity with the same charge. What would the objects do when placed near each other?

• repel

• attract

• nothing

• stick together

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Why does static electricity move from you to a metal object after you have walked over new carpet?

• It is attracted to the metal.

• It is attracted to you.

• It is attracted to the carpet.

• It is made in your shoes.

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What do you think the balloons will do?

• Attract each other

• Repel each other

• Nothing will happen

• Balloon dance!

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Which diagram represents the electric field between two oppositely charged conducting spheres?

• Diagram (A)

• Diagram (B)

• Diagram (C)

• Diagram (D)

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An electromagnet is used in a junkyard because:

• It can be turned on and off

• It can’t be turned on and off

• It is stronger than a permanent magnet

• It is weaker than a permanent magnet

In the following diagram, would the magnets repel or attract each other?

• attract

• repel

• drop to the ground in anger

• sing a song

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following circuits would be successful, causing the light bulb to turn on?

• (A)

• (B)

• (C)

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Which of the sets below contains only conductors?

• Gold, silver, plastic

• Rubber, plastic, iron

• Iron, silver, carbon

• Carbon, iron, plastic

Electric plugs are made of plastic because ________.

• Plastic is stronger than many materials.

• Plastic is flexible

• Plastic can protect people from electric shock

• Plastic can be made into various shapes

Insulators do not allow electricity to pass through them. Why are they important in circuits?

• They make circuits safe to handle from electric shock.

• Electric current will flow only through those insulators.

• Appliances will not work if they are exposed to air.

• Circuits can get very hot.