Electric and Static Electricity

What material is an example of a good conductor of electricity?

• Rubber

• Glass

• Copper

• Wood

Which of the following is NOT a property of static electricity?

• It involves the transfer of electrons.

• It can cause objects to attract or repel each other.

• It can only occur in metals.

• It can be generated by rubbing certain materials together.

What is the main difference between conductors and insulators?

• Conductors can hold more heat.

• Insulators can become magnets, but conductors cannot.

• Conductors allow electricity to flow through them easily, while insulators do not.

• Insulators allow electricity to flow through them easily, while conductors do not.

What happens when you rub a balloon on your hair?

• The balloon loses electrons to your hair.

• Your hair loses electrons to the balloon.

• The balloon gains protons from your hair.

• Nothing happens.

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NGSS.MS-PS2-3

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Which of the following materials is an insulator?

• Aluminum

• Silver

• Plastic

• Iron

What type of charge does an electron have?

• Positive

• Negative

• Neutral

• Variable

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NGSS.MS-PS2-3

Why do clothes sometimes stick together after being in the dryer?

• Because of the heat

• Because of static electricity

• Because of the weight of the clothes

• Because of the moisture

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What happens when two objects with the same charge come close to each other?

• They attract each other.

• They repel each other.

• Nothing happens.

• They neutralize each other's charge.

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Which of the following statements is true about electric charges?

• Like charges attract and unlike charges do not interact.

• Like charges repel and unlike charges attract.

• All charges attract each other.

• Electric charges can be created but not destroyed.

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What is the flow of charges?

• magnetism

• conduction

• electric field

• electric current