Kinetic Energy and Potential Energy

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

NGSS.MS-PS3-5

Energy stored in the height of an object is called ___________ potential energy.

• Elastic
• Chemical
• Gravitational
• Nuclear

Tags

NGSS.MS-PS3-2

Gravitational potential energy depends on the acceleration due to gravity, as well as the object's ________ and its ________.

• mass; distance from the earth

• Friction and movement

• Mass and Movement

• Height and Friction

Tags

NGSS.MS-PS3-2

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

• 1457 Joules

• 22,584 Joules

• 15 Joules

• 45,167Joules

Tags

NGSS.MS-PS3-1

Calculate the speed (velocity) of a 0.50 kg ball if its kinetic energy is 400 J?

• 150 m/s

• 800 m/s

• 1600 m/s

• 40 m/s

Tags

NGSS.MS-PS3-1

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. 

Tags

NGSS.MS-PS3-1

The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.

• Something Mr. Lance likes to say.

• Life

• Law of Conservation of Energy

• The scientific method

• Newton's Third Law

Tags

NGSS.MS-PS3-5

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 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What is energy?

• something that picks up things, like a magnet.

• Motion of an object

• ability to do work

• magic rays of sunshine that come down when you're feeling blue.

What is kinetic energy?

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

Tags

NGSS.MS-PS3-4