Electricity and Energy Transformations Review

Which of the following materials are examples of conductors? (hint: 2 answers!)

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Which of the following materials are examples of insulators? (hint: 2 answers!)

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Tags

NGSS.MS-PS3-3

Which of the following models shows a closed circuit?

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Which of these circuits does NOT allow electrons to flow through the circuit?

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What do we call the charge that builds when two items rub together and charged electrons are transferred?

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Why does the girl's hair stick to the balloon?

• The balloon made the girl's hair sticky.

• The girl is being shocked by the balloon.

• The balloon is repelling the hair and pushing it away.

• The hair is charged with electrons and is attracted to the balloon.

Based on what you know about electromagnets, which of these electromagnets will most likely be the most powerful?

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Which of the following diagrams shows electrical energy being transformed into radiant energy?

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Which of the following diagrams shows chemical energy being transformed into mechanical energy?

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What kitchen device converts electrical energy to thermal energy?

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