Energy | Week Oct 24-28

What is Energy?

• The ability to do anything

• The ability to cause change or do work

• The investigation of nature

• A fact of life

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

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

Energy cannot be created or destroyed.

• True

• False

What transformation occurs in a toaster?

• Electrical to light

• Electrical to thermal

• Thermal to mechanical

• Solar to electrical

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

At which point is potential energy greatest?

• W
• X
• Y
• Z

Which of the following is an example of a change of kinetic energy into gravitational potential energy?

• a person parachuting out of a plane
• a car racing around an oval track
• a person skiing down a hill
• a person walking up a hill

What would have the greatest kinetic energy?

• A car driving down a hill.
• A person running down a hill. 
• A ball rolling down a hill. 

Food has _________ energy. 

• Potential 
• Kinetic 
• None of the above 
• All of the above