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WorksheetsIQWST Unit 2 - Why Do Some Things Stop While Others Keep Going?
Total questions: 25
Worksheet time: 2hrs 25mins
Which of the following represents energy being converted?
stretching a rubber band, then letting it go
dropping a ball
playing with a yo-yo
a book sitting on a desk
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?
kinetic energy
elastic energy
gravitational energy
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.
Which type of energy conversion is involved when the arrow is released in Figure 2?
The energy is transformed into kinetic energy.
The energy is transformed into elastic energy.
The energy is transformed into gravitational energy.
What factors influence the amount of elastic energy in an object?
stretching
compression
hardness
mass
At which point on the roller coaster will the car have the greatest amount of kinetic energy?
W
X
Y
Z
At which point on the roller coaster will the car have the greatest amount of gravitational energy?
W
X
Y
Z
Select two (2) types of energy types that are present at point Y.
kinetic energy
elastic energy
gravitational energy
chemical energy
As the roller coaster car travels from Point W to Point X, what happens to its gravitational energy?
increases
decreases
remains the same
As the roller coaster car travels from Point X to Point Y, what happens to its kinetic energy?
increases
decreases
remains the same
Which of the following changes would not change the energy of the roller coaster car?
increasing the volume of the rollercoaster car
increasing the height of the starting point of the rollercoaster car
increasing the speed that the rollercoaster car is traveling
Which object has more thermal energy: a large pot of water or a small pot of water at the same temperature?
Both pots have the same thermal energy.
The large pot has more thermal energy.
The small pot has more thermal energy.22
Which of the following types of energy is an example of potential energy?
gravitational energy
thermal energy
sound energy
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?
The additional thermal energy was already in the soda.
The additional thermal energy came from the air in the room.
The additional thermal energy came from the refrigerator.
A student drops a ball from five feet above the ground. After bouncing once, it reaches a maximum height of 157 cm above the ground. The following diagram shows the maximum height the ball reaches after consecutive bounces.
Which of the following energy types are involved with bouncing a rubber ball?
kinetic energy
elastic energy
gravitational energy
all of the above
A student drops a ball from five feet above the ground. After bouncing once, it reaches a maximum height of 157 cm above the ground. The following diagram shows the maximum height the ball reaches after consecutive bounces.
Does the bar graph contradict the idea of energy conservation? Why or why not?
Yes. Since the height of the bounces is decreasing, that shows that the energy in the system is not conserved.
No. The kinetic energy of the ball decreases, but the total amount of energy of the ball and the surroundings remains constant.
A student drops a ball from five feet above the ground. After bouncing once, it reaches a maximum height of 157 cm above the ground. The following diagram shows the maximum height the ball reaches after consecutive bounces.
Question: How did the maximum height change with every bounce?
Directions: Use the text, graph, and image to develop a claim that answers the question. [Use a complete sentence.]
A student drops a ball from five feet above the ground. After bouncing once, it reaches a maximum height of 157 cm above the ground. The following diagram shows the maximum height the ball reaches after consecutive bounces.
Question: How did the maximum height change with every bounce?
Directions: Use the text, graph, and image to provide sufficient evidence to support your claim. [Use complete sentences.]
A student drops a ball from five feet above the ground. After bouncing once, it reaches a maximum height of 157 cm above the ground. The following diagram shows the maximum height the ball reaches after consecutive bounces.
Question: How did the maximum height change with every bounce?
Directions: Use the text, graph, and image to provide reasoning for how the evidence supports your claim. [Use complete sentences.]
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?
kinetic energy
gravitational energy
chemical energy
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 gray color?
kinetic energy
gravitational energy
chemical energy
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.
What does the energy transformation diagram look like for position #5?
same as position #1
same as position #2
same as position #3
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.
Question: Explain why the pendulum eventually stops swinging.
Directions: Use the text and image to develop a claim that answers the question. [Use a complete sentence.]
Have you ever wondered where the energy that you use in your house comes from? Well, the answer is that it comes from several different sources. Natural gas and coal are the two major sources of energy that power plants use to make our electricity.
In this section we will take a deeper dive into how electricity is produced by a coal power plant, using the diagram as a guide.
The process begins when coal is mined from the ground. Coal is a black sedimentary rock with an interesting property -- it can be set on fire to release energy!
The coal that is mined is taken to a power plant. At the power plant, the coal is burned, which releases incredible amounts of heat. This heat then creates steam that turns turbines. These turning turbines are then able to transfer energy to generators, which create electricity.
When coal is burned to produce heat, which energy transformation is occurring?
Chemical energy transforms into elastic energy.
Kinetic energy transforms into electrical energy.
Chemical energy transforms into thermal energy.
When turning turbines power generators to make electricity, which energy transformation is occurring?
Gravitational energy transforms into electrical energy.
Kinetic energy transforms into electrical energy.
Chemical energy transforms into thermal energy.
When electricity is transported through power lines from the power plant to people’s houses, what is this an example of?
energy transformation
energy transfer
energy destruction
