Energy-Lesson 2

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. 

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Which is the best example that something has kinetic energy?

• a. a car parked on a steep hill 
• b. a tennis ball rolling across the court
• c. a picture hanging on the wall 
• d. a piece of coal before it's burned 

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What is kinetic energy?

• energy of work
• energy of motion
• energy of gravity
• energy of power

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Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

• 18 J
• 36 J
• 12 J
• 6 J

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NGSS.MS-PS3-1

How can you increase Kinetic Energy?

• increase mass and speed

• increase to a higher position

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When Kinetic Energy is High then Potential Energy is _______

• High

• Low

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When Potential Energy is High then Kinetic Energy is _______

• High

• Low

Potential and Kinetic Energy have a _______________ relationship. When one goes up the other goes down

• inverse

• direct

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True or False: The equation for Kinetic energy is KE=1⁄2mv²

• True

• False

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If these are all moving at the same speed, the vehicle with the greatest KE would be

(Think about their sizes)

• 
• 
• 
• 

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