Kinetic/potential Energy
Energy Transformations part 1
Energy Transformations part 2
Energy Transfer
Thermal, sound, and light energy
100
At which point on the roller coaster will the car have the greatest amount of kinetic energy?
What is X?
100
Which of the following does not represent energy being converted?
- A.
stretching a rubber band, then letting it go
- B.
dropping a ball
- C.
playing with a yo-yo
- D.
a book sitting on a desk
What is D
100
When the turbines in a steam turbine generators are turned to make electricity, which energy transformation is occurring?
- A. Gravitational energy transforms into electrical energy.
- B. Kinetic energy transforms into electrical energy.
- C. Chemical energy transforms into thermal energy.
- D. Thermal energy transforms into potential energy.
B. Kinetic energy transforms into electrical energy.
100
As the roller coaster car travels from Point W to Point X, what happens to its gravitational energy? 
It decreases!
100
Which object has more thermal energy: a large pot of water or a small pot of water at the same temperature?
- A.
Both pots have the same amount of thermal energy.
- B.
The large pot has more thermal energy.
- C.
The small pot has more thermal energy.
- D.
There is not enough information to answer the question.
B. The large pot!
200
You are getting ready to shoot an arrow into a target. You take the arrow and place it into the bow. You pull the string back and release the arrow. What type of energy is represented in the picture of the bow and arrow in Figure 1?
What is Elastic Energy?
200
Which type of energy conversion is involved when the arrow is released in Figure 2? 
The energy transformed into kinetic energy!
200
Electricity is transported through power lines from the power plant to people’s houses. This is an example of __________.
- A. energy loss
- B. energy transfer
- C. energy destruction
- D. none of the above
B. energy transfer
200
As the roller coaster car travels from Point X to Point Y, what happens to its kinetic energy? 
It decreases!
200
A cold can of soda is taken out of the refrigerator. It slowly warms up until it is at room temperature. Once the soda has warmed up, it has more thermal energy than it had in the refrigerator. Where did this additional thermal energy come from?
- A. The additional thermal energy was already in the soda.
- B. The additional thermal energy came from the air in the room.
- C. The additional thermal energy came from the air in the room and from the soda itself.
- D. The additional thermal energy came from the refrigerator.
- B. The additional thermal energy came from the air in the room.
300
At which point on the roller coaster will the car have the greatest amount of gravitational energy?
What is W?
300
Which two energy types that are present at point Y? 
Kinetic and Gravitational!
300
When we use windmills for powering our houses, what energy transformations occur?
KE -> Electrical energy
300
A simple pendulum is a mass hanging from a string. The pendulum is moved by picking up the mass to any angle and releasing it. The figure shows a pendulum moving through one swing and the energy transformation diagrams at positions #1 through #3.
Looking at the energy transformation diagrams, what type of energy is represented by the white color? 
Gravitational energy
300
Thermal energy is the average _______ energy of all of the molecule in an object.
Kinetic
400
Which factor does not influence the amount of elastic energy in an object?
A.stretching
- B.
compression
- C.
hardness
- D.
speed
What is D, Speed?
400
Which of the following changes would not change the total energy of the roller coaster car?
- A.
changing the color of the roller coaster car
- B.
increasing the height of the starting point of the roller coaster car
- C.
increasing the amount of people in the roller coaster car
- D.
decreasing the speed that the roller coaster car is traveling
A
400
When you drop a ball from high up, what happens to the gravitational energy it originally had?
It transforms into KE
400
A simple pendulum is a mass hanging from a string. The pendulum is moved by picking up the mass to any angle and releasing it. The figure shows a pendulum moving through one swing and the energy transformation diagrams at positions #1 through #3.
Looking at the energy transformation diagrams, what type of energy is represented by the GREY color?
Kinetic Energy
400
In which form does sound energy travel?
Waves
500
Which of the following types of energy is an example of potential energy?
- A.
gravitational energy
- B.
kinetic energy
- C.
thermal energy
- D.
sound energy
A. Gravitational
500
Which of the following energy types are involved with bouncing a rubber ball on the ground?
- A. sound energy
- B. kinetic energy
- C. elastic energy
- D. gravitational energy
- E. all of the above
E, all of the above
500
If your egg drop project bounces when it hits the ground, this means that the KE energy from the fall transformed into ________ energy when it hit the ground.
Elastic
500
What do you think the energy transformation diagram would look like for position #5?
Same as position #1
500
Sound is a form of energy produced by ___________
vibrations
600
Which has more KE:
a. A cart moving at 6mph that weighs 500 g
b. A cart moving at 6mph that weighs 1000g
b. A cart moving at 6mph that weighs 1000g
600
When coal is burned to produce heat, which energy transformation is occurring?
- A. Chemical energy transforms into elastic energy.
- B. Kinetic energy transforms into electrical energy.
- C. Chemical energy transforms into thermal energy.
- D. Thermal energy transforms into electrical energy.
C. Chemical energy transforms into thermal energy.
600
When we use a battery to power something like a pendulum, what energy transformations are involved?
CE -> TE -> ELE -> KE
600
Why does a pendulum eventually stop swinging?
The KE is transferred to the air
600
During photosynthesis in plants, light energy is transformed into ________ energy.
Chemical