Energy Conversion Discussion Questions

What type of energy does a boom box convert electrical energy into?

• Heat energy

• Light energy

• Sound energy

• Chemical energy

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NGSS.MS-PS4-2

What type of energy does a solar cell convert into electrical energy?

• Heat energy

• Sound energy

• Light energy

• Chemical energy

How do power plants generate electricity using water?

• By burning water

• By using water to spin a generator

• By freezing water

• By evaporating water

Which device converts electrical energy into sound energy?

• A toaster

• A lamp

• A boom box

• A solar cell

Tags

NGSS.MS-PS3-5

What happens when you place ice in a hot drink?

• The ice transfers energy to the hot drink, causing it to heat up.

• The hot drink transfers energy to the ice, causing the ice to melt.

• The ice and hot drink both remain at the same temperature.

• The hot drink freezes the ice instantly.

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Why do circuits need to maintain a closed loop?

• To allow electricity to flow continuously.

• To prevent electricity from flowing.

• To make the circuit look neat.

• To increase the voltage.

How does Dr. Jeff break glass using sound?

• By tapping the glass with a stick.

• By playing very loud music near the glass.

• By heating the glass until it shatters.

• By cooling the glass rapidly.

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NGSS.MS-PS4-1

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At the beginning of the video, where did Bert’s energy go?

• It was stored in a battery.

• It was transferred to devices like Izzy’s popcorn maker.

• It was lost in the air.

• It was used to light a bulb.

Why is the name "generator" a misnomer?

• Generators create energy from nothing.

• Generators convert one type of energy to another.

• Generators only store energy.

• Generators destroy energy.

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NGSS.HS-PS3-3

What happens to the hot drink when ice is added?

• It heats up.

• It cools down.

• It stays the same temperature.

• It evaporates.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4