Energy Conversions

The picture showing the energy conversion

Electrical → light

is:

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• 
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What is the energy conversion when you plug in a stereo and listen to music?

• electrical to mechanical

• chemical to heat

• electrical to light

• mechanical to sound

What is the energy conversion when you plug in a fan?

• light to mechanical (motion)

• electrical to heat

• mechanical (motion) to light

• electrical to mechanical (motion)

Tags

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What is the energy conversion when water moves over a dam to power a city's energy grid?

• electrical to light

• mechanical (motion) to electrical

• solar (light) to electrical

• mechanical (motion) to light

Tags

NGSS.MS-PS3-5

A device that converts Electrical Energy and into Thermal Energy.

• A Battery
• A Hair Dryer
• A Bicycle
• Your Stomach

Tags

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Which of the following conversions is illustrated with a solar powered car?

• radiant (light) to electrical

• radiant (light) to mechanical (motion)

• mechanical to radiant (light)

• electrical to mechanical (motion)

What is the energy conversion when a wind turbine turns to provide energy to a power grid?

• electrical to electrical

• electrical to mechanical (motion)

• mechanical (motion) to electrical

• solar (light) to heat

Tags

NGSS.MS-PS3-5

An example of electrical energy transforming to thermal energy is

• a fire burning.

• using a toaster.

• burning coal.

• lighting a candle.

Energy of motion is also called ______________ energy.

• Kinetic

• Chemical

• Thermal

• Electrical

Tags

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The object shown is responsible for which conversion

• electrical → light only

• chemical → heat only

• chemical → heat & light

• electrical → heat & light

Tags

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