Unit 04 Energy Sources and Transformations

Kinetic energy is energy due to...

• interactions between objects or particles
• motion
• elasticity
• mass

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NGSS.MS-PS3-1

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What is an example of Nuclear energy?

• light energy
• splitting nuclei
• burning logs
• plucking a guitar string

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NGSS.HS-ESS1-1

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"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?

• Law of Conservation of Mass
• Newton's Second Law
• Law of Conservation of Energy
• Newton's Third Law

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NGSS.MS-PS3-5

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

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NGSS.MS-PS1-4

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

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 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

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NGSS.MS-PS3-5

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

• radiant
• light
• heat
• chemical

Which of the following energy transfers occurs when food is digested?

• chemical to mechanical
• radiant to nuclear
• mechanical to potential
• thermal to chemical

Tags

NGSS.MS-LS1-7