Energy Transformation and Law of Conservation

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

Where is the kinetic energy the greatest?

• A

• B

• C

• D

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A hairdryer converts -- 

• electrical energy into chemical
• electrical energy into thermal
• chemical energy into mechanical
• thermal energy into mechanical

What kind of energy is represented in the picture?

• Thermal

• Chemical

• Sound

• Kinetic

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What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

• thermal to electrical

• mechanical to thermal

• electrical to thermal

• electrical to sound

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What type of energy is electrons flowing through a wire?

• Electrical energy

• Chemical energy

• Kinetic energy

• Mechanical energy

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What type of energy is stored in batteries or food?

• Potential energy

• Thermal energy

• Chemical energy

• Mechanical energy

A solar calculator has to have light in order to work. What does the radiant light energy transform into?

• Radiant

• Mechanical

• Potential

• Chemical because of the battery.

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

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

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What is energy changing from one form to another?

• energy conservation
• energy transformation
• energy creation
• mechanical energy

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