Types of Energy and Transformations

Describe the energy conversion of a clothes dryer. 

• Chemical→ Thermal and Radiant

• Electrical → Elastic, Thermal and Sound 

• Gravitational → Nuclear, Sound and Thermal 

• Electrical → Thermal, Motion and Sound 

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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 showing the energy conversion

Chemical → heat

is:

• 
• 
• 
• 

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

• W

• X

• Y

• Z

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

• Chemical to light

• Electrical to chemical

• Electrical to light

• Chemical to electrical

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Energy that is caused by vibrations in the air. A form of kinetic energy.

• Light energy

• Electrical energy

• Nuclear energy

• Sound energy

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Objects in motion have ______ energy.

• Sound

• Thermal

• Mechanical

• Electrical

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A device that converts electrical energy to light energy.

• A blender

• A light bulb

• A bycycle

• A balloon

A device that converts electrical energy and into thermal energy.

• A Battery

• A Hair Dryer

• A Bicycle

• Your Stomach

The energy of motion is ____________ energy. 

• Potential 

• Positional

• Kinetic

• Velocity

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