Energy Transformation

What is the energy transformation that occurs in an electric pencil sharpener?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• radiant energy to sound energy

• chemical energy to mechanical energy

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Which object shows an energy transformation from electrical to mechanical?

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NGSS.4-PS3-4

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

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NGSS.HS-PS3-3

Which items would have this energy transformation: electrical energy -> thermal energy and light energy?

• toaster
• candle burning
• windmill turning
• Iron for your clothes

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NGSS.4-PS3-2

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Which items would have this energy transformation: chemical energy -> thermal and light energy?

• tanning bed

• candle burning

• wind turbine turning

• solar calculator

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NGSS.MS-PS1-6

Which items would have this energy transformation: mechanical energy -> sound energy?

• turning on a flashlight

• nuclear power plant

• wind turbine turning

• playing a violin

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NGSS.MS-PS3-5

What kind of energy is represented in the picture?

• Thermal

• Chemical

• Sound

• Kinetic

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The hand generator works by turning the handle which lights up the bulb. What energy transformation occurs as the handle is turned?

• Thermal to electrical

• Electrical to mechanical

• Mechanical to electrical to light

• Light to electrical

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NGSS.MS-PS3-5

What energy transformations take place when a battery-operated radio is in use?

• Electrical to chemical to light
• Sound to chemical to mechanical
• Chemical to electrical to sound
• Light to electrical to thermal

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NGSS.HS-PS1-4

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Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

Tags

NGSS.MS-PS3-4