Ch. 4 energy review

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

• Both the potential energy and kinetic energy decrease

• The potential energy decreases while the kinetic energy increases

• The kinetic energy decreases while the potential energy increases

• Both the potential energy and kinetic energy increase

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Elastic potential energy is the ability to stretch or _________

• pull
• straighten
• compress
• stretch

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 

Which point has the most potential energy?

• D
• F
• B
• A

At which point is kinetic energy greatest?

• W

• X

• Y

• Z

Why won't the roller coaster reach over the second hill?

• because it is going slow
• because energy cannot be created
• because it is going fast
• because energy cannot be destroyed