Kinetic
Potential
Mechanical
Transfer of Energy
Final Question
100
I am energy due to motion
What is Kinetic Energy?
100
I am stored energy
What is Potential Energy?
100
I am Potential + Kinetic Energy
What is Mechanical Energy?
100
Explain the law of conservation of energy
What is energy cannot be created or destroyed?
200
At what point does the roller coaster have the most kinetic energy?
What is point X
200
At what point does the roller coaster have the most potential energy?
What is point W
200
Give an example of something with mechanical energy, in other words potential and kinetic energy.
What is something moving and going up?
200
Name four different forms of energy (think about the poster, presentation we made)
Possible answers are: What is potential, kinetic, mechanical, chemical, solar, electrical, electromagnetic, nuclear, thermal, radiant.
300
What happens to kinetic energy if you double the mass of an object?
It doubles (multiplies by 2)
300
This is the point where a ski lift has the most potential energy
What is the top of the mountain/ski lift?
300
Will the skater go over the first bump, why or why not?
No, they will not have enough energy as they started too low.
300
If I turn on a lamp, what forms of energy is being transferred? There should be three.
Electrical to radiant/light and thermal.
400
Order the points 1 - 5 for least kinetic energy to most kinetic energy.
What is 1 , 3, 2, 5, 4
400
Give an example of an object gaining potential energy.
What is someone/thing going up?
400
Explain in terms of potential and kinetic energy, what happens as a skier as they go up a hill on a ski lift.
What is use kinetic energy to gain potential energy as they go uphill?
400
Give an example of potential energy transferring into kinetic energy.
What is something moving downhill, such as a skier going downhill or someone riding bike downhill?
500
KE = 0.5mv2 What would be the kinetic energy of a 10 kg ball travelling at 5 m/s
What is 125 Joules
500
What is the potential energy of an object with a mass of 20 kg, a force of gravity of 10 N, and a height of 2 m.
Potential Energy = mgh
What is 400 Joules?
500
At point 2, what should the value of kinetic energy be?
80
500
What energy transformation takes place when a fan is used? I need three.
What is electrical to kinetic (mechanical) and sound or thermal.
500
What happens to kinetic energy if you double the velocity of an object?
What is it quadruples (muliplies by 4)