Conservation of Energy

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

• Energy cannot be created or destroyed.

What kind of energy does an object possess when it's resting on top of the hill?

• Potential Energy

• Chemical Energy

• Kinetic Energy

• All of the above

What force causes a roller coaster cart to slow down the most?

• friction

• weight

• gravity

• air resistance

The law of energy conservation says the total energy before the change _______ the total energy after it

• is less than
• is more than
• affects
• equals

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

Energy can be created.

• True
• False

Roller coasters slow down because their energy disappears.  

• True 
• False

Which form of energy is represented in this image?

• kinetic

• thermal

• potential

• radiant

What happens when the ball goes from the highest position to the lowest position

• PE and KE increases and decreases together

• Impossible to know without knowing the mass of the object

• the PE decreases while KE increases

At which point is potential energy greatest?

• W
• X
• Y
• Z