Energy Forms and Transformations

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

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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Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• solar
• light
• thermal
• mechanical

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NGSS.MS-PS3-3

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On a roller coaster, where is maximum kinetic energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

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In energy transformations, "wasted energy" usually takes what form?

• heat
• chemical energy
• light
• sound waves

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NGSS.MS-PS1-4

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

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NGSS.MS-PS3-5

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

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NGSS.MS-PS2-4

The roller coaster cart has the most gravitational potential energy at position-

• W
• X
• Y
• Z

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NGSS.MS-PS3-2

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

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NGSS.HS-LS1-5

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