Electricity and Magnetism Review

How many types of electric charges are there?

• 0

• 1

• 2

• 3

What is an electric force?

• A force produced by a magnet.

• A force produced by the movement of electrons.

• The area in which a magnet can attract or repel something.

• The area in which electricity can be applied.

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How does a material become negatively charged?

• It gains protons.

• It loses protons.

• It gains electrons.

• It loses electrons.

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How does a material become positively charged?

• It gains protons.

• It loses protons.

• It gains electrons.

• It loses electrons.

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How do two negative charges react when brought near each other?

• Attract

• Repel

• Smile

• Say Hi

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How does a negative and positive charge react when brought near each other?

• Attract

• Repel

• Smile

• Say Hi

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After rubbing a balloon on my shirt I am able to make it stick to the wall. Why?

• The negative charge on the balloon induces a positive charge on the wall.

• The negative charge on the balloon induces a negative charge on the wall.

• There was tape hiding on the balloon.

• I am magic!

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Which of the following is NOT a method in which electrons can be transferred?

• Friction

• Convection

• Conduction

• Induction

Which of the following is an example of an insulator?

• Metal

• Glass

• Water

• Human body

What type of material allows electrons to easily flow through them?

• Conductor

• Positive

• Insulator

• Negative

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