KE and PE Review

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

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

Tags

NGSS.MS-PS3-1

Explain what happens to the potential energy of a rock as it falls off the side of a cliff.

• The kinetic energy decreases as the potential energy increases.
• The kinetic energy decreases as the potential energy decreases.
• The potential energy decreases as the kinetic energy increases.
• The potential energy decreases as the kinetic energy decreases. 

Tags

NGSS.MS-PS3-4

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

If a green golf ball is dropped from a height of 7 feet and a yellow golf ball is dropped from a height of 12 feet, which ball has greater potential energy before it is released?

• yellow

• green

• Both have the same amount of potential energy.

• Neither will have more potential energy than the other.

Answer explanation

Tags

NGSS.MS-PS3-2

Describe the energy in the picture.

• Gravitational Potential

• Kinetic

• Elastic Potential

• No energy.

Answer explanation

What word best describes potential energy?

• Stored

• Motion

Answer explanation

Tags

NGSS.MS-PS3-2

What word best describes Kinetic Energy?

• Stored

• Motion

• Elastic

• Gravity

Answer explanation

Tags

NGSS.MS-PS3-5

What is the correct unit for energy?

• meters (m)

• kilogram meters per second (kg m/s)

• Newtons (N)

• Joules (J)

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

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

Tags

NGSS.MS-PS3-2

What is the equation for calculating gravitational potential energy

• mv

• 1/2 mv^2

• mgh

• Ft

Tags

NGSS.MS-PS3-2