Exploring Energy, Conductors, and Insulators

Which of the following is an example of energy transfer by an object in motion?

• A book sitting on a shelf

• A car driving down the road

• A light bulb turned off

• A plant growing in sunlight

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What happens to the energy when a wave moves through water?

• The energy disappears

• The energy is transferred through the water

• The energy stays in one place

• The energy turns into sound

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NGSS.MS-PS4-1

Identify the material that is a good conductor of electrical energy.

• Rubber

• Copper

• Wood

• Plastic

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Which of the following materials is an insulator of thermal energy?

• Metal

• Glass

• Wool

• Water

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Describe what happens to electrical energy in a closed circuit.

• It stops moving

• It travels in a loop

• It disappears

• It only moves in a straight line

Which of the following is an example of energy transfer through sound?

• A flashlight shining

• A bell ringing

• A car parked

• A plant photosynthesizing

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NGSS.MS-PS4-1

What is the role of a conductor in an electrical circuit?

• To stop the flow of electricity

• To allow electricity to flow through it

• To change the direction of electricity

• To store electricity

Which of the following is a pattern of energy transfer in nature?

• A rock sitting on the ground

• The water cycle

• A car parked in a garage

• A book on a table

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What is the main function of an insulator in a circuit?

• To increase the speed of electricity

• To prevent the flow of electricity

• To generate electricity

• To convert electricity into light

Which of the following demonstrates energy transfer in a closed path?

• A broken circuit

• A complete circuit with a light bulb

• A circuit with a switch turned off

• A circuit with a missing wire