Energy Conversions Review

What do we call energy from the sun?

• Motion

• Solar

• Wind

• Hydroelectric

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How do devices work?

• by converting energy to another form

• by fixing a blackout

• it doesn't matter if part is missing

• they make pollution

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What is the best description of motion energy?

• Energy that keeps us warm.

• Energy from food that our bodies use.

• Energy that makes something move.

• Energy that makes a noise.

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What is the main kind of energy do we get from a fan?

• Light

• Sound

• Heat

• Motion

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What is the most common source of energy that we use today?

• sun

• wind

• water

• fossil fuels

• biofuel

Which of these can cause a blackout?

• too many devices

• sunset

• bad weather

• not enough energy

• part of the system is broken

Why might solar or wind energy not be reliable?

• They runs out quickly.

• They cost a lot of money.

• They depend on the weather.

• They don't make pollution.

What is the best description of sound energy?

• Energy that keeps us warm.

• Energy from food that our bodies use.

• Energy that makes something move.

• Energy that makes a noise.

Which energy source is made from burning plants?

• Biofuel

• Water

• Solar

• Hydroelectric

What does it mean if something is renewable?

• It is not expensive.

• It will never run out.

• It can be trusted.

• It still works if part of the system is missing,