Energy

What is Energy?

• The ability to do anything

• The ability to cause change or do work

• The investigation of nature

• A fact of life

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What is an example of kinetic energy?

• An apple in a tree

• A bouncy ball on the table

• A car driving on the highway

• A stretched out rubber band

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What is an example of potential energy?

• A bowling ball rolling down a lane

• A car parked in a lot

• An apple falling from a tree

• Sunlight heating up the atmosphere

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Energy cannot be created or destroyed.

• True

• False

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What is the definition of friction?

• A force that resists the sliding of two objects that are touching

• A force that increases sliding between two objects

• The change from potential to kinetic energy

• A transformation from radiant to mechanical energy

Which of the following describes an energy transformation?

• When energy is lost due to friction

• An electric motor moving a car

• A solar panel powering a home

• A television projecting a show

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What transformation occurs in a toaster?

• Electrical to light

• Electrical to thermal

• Thermal to mechanical

• Solar to electrical

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What type of energy transformation occurs when a piece of wood burns?

• Electrical energy is released as radiant energy

• Stored chemical energy is released as thermal energy

• Mechanical energy is stored as chemical energy

• No transformation occurs

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Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

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At which point is potential energy greatest?

• W
• X
• Y
• Z

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