Energy Transformationa

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

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

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

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

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

• chemical to mechanical to electrical to radiant

• radiant to electrical to sound

• chemical to radiant to mechanical to electrical

• electric to radiant to chemical

Tags

NGSS.MS-PS3-5

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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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

Tags

NGSS.MS-PS3-1

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

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

Tags

NGSS.MS-PS3-5

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

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NGSS.MS-PS3-5

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

Tags

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A swing has potential energy if _____________.

• it is in motion
• it is swinging backward
• it is sitting still
• it is spinning

Tags

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