What is Energy?

What is Energy?

Forces p. 108-113

Multiple Choice

The ability to do work or cause change is called ________?

• force

• work

• energy

• power

Multiple Choice

________________ is the rate at which work is done.

• Power

• Work

• Time

• Energy

Multiple Choice

How do you calculate power?

• P = W/t

• P = E/t

• P = w * t

• P = bbq/chicken

Multiple Choice

The unit of power (aka Joule per second)

• Joule

• Minute

• Watt

• Pound

Multiple Choice

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Multiple Choice

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

• more

• less

• none of the above

• all of the above

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

When you stretch a rubber band, you are storing __________ energy. 

• kinetic 
• potential
• none of the above
• all of the above 

Multiple Choice

__________ is stored energy.

• Potential

• Kinetic

• None of the above

• All of the above

Multiple Choice

__________ is stored energy. 

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

Multiple Choice

Elastic potential energy is energy stored in object that are compressed or __________.

• movement

• stored

• harnessed

• pulled

Multiple Choice

Elastic potential energy is energy stored in object that are compressed or __________.

• movement

• stored

• harnessed

• pulled

Review Questions

Time to see what you have learned!

Multiple Choice

All of the following are examples of kinetic energy EXCEPT

• A car sitting in the parking lot

• An electric current running through a wire

• Loud music vibrating speakers

• A bird flying in the sky

Multiple Choice

A moving car.

• Potential
• Kinetic

Multiple Choice

An acorn hanging from an oak tree.

• Potential
• Kinetic

Multiple Choice

What are the two factors that affect kinetic energy?

• time and energy
• power and mass
• mass and speed
• time and work

Multiple Choice

When you stretch a rubber band, you are storing __________ energy. 

• kinetic 
• potential
• none of the above
• all of the above 

Multiple Choice

Elastic potential energy is energy stored in object that are compressed or __________. 

• movement
• stored
• harnessed
• pulled 

Multiple Choice

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

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

Multiple Choice

__________ is stored energy. 

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

Multiple Choice

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

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

Multiple Choice

The ability to do work or cause change is called ________?

• force

• work

• energy

• power

Multiple Choice

The ability to do work or cause change is called ________?

• force

• work

• energy

• power