
Energy
Quiz
•
Science
•
8th Grade
•
Hard
+3
Standards-aligned
Lisa Thompson
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Flori has one bucket of paint outside and one bucket of paint in her garage. Both paint buckets are the same size and have the same number of molecules. She brings the bucket in from outside and is going to stack it on top of the bucket in the garage. The diagram above shows the buckets now, before they touch. Use the information in the diagram to answer the question. How does the temperature of the garage bucket compare with the temperature of the outside bucket before the buckets touch? What will happen after the buckets have been touching for a while?
Before the buckets touch, the two buckets are different temperatures. Once the buckets are touching, both kinetic energy and cold energy will transfer between the molecules of the two buckets until both buckets reach the same temperature, which will be in between their starting temperatures
Before the buckets touch, the garage bucket is hotter than the outside bucket. Once the buckets are touching, the cooler outside bucket will gain kinetic energy until the molecules of both buckets have an energy of 18, because hotter things increase the temperature of cooler things.
Before the buckets touch, the garage bucket is cooler than the outside bucket. Once the buckets are touching, the hotter outside bucket will transfer kinetic energy to the molecules in the cooler garage bucket until both buckets reach the same temperature, which will be in between their starting temperatures.
Before the buckets touch, the garage bucket is hotter than the outside bucket. Once the buckets are touching, the garage bucket will transfer kinetic energy to the molecules in the cooler outside bucket until both buckets reach the same temperature, which will be in between their starting temperatures.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ralph and Sheila are at a construction site and they are stacking bricks. The diagram above shows the bricks before they touch. Use the information in the diagram to answer the question. After the bricks have been touching for a while, whose top brick will be cooler?
Ralph’s top brick will be cooler than Sheila's top brick, because less energy has to transfer for Ralph’s brick’s molecules to reach the same temperature as the molecules of his bottom brick.
Sheila's top brick will be cooler than Ralph’s top brick, because Sheila’s started with more total energy, so less energy had to transfer for both her bricks to reach the same total energy.
Sheila’s top brick will be cooler than Ralph’s top brick, because the energy that transferred to Sheila’s was spread out over more molecules.
Both will be the same temperature, because both bottom bricks had the same amount of energy to transfer and the molecules in the top bricks started with the same energy.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Karim brings a chair from the backyard into his house and is going to stack it on top of another chair. Both chairs are the same size and have the same number of molecules. The diagram above shows the chairs before they touch. Use the information in the diagram to answer the question. How does the temperature of the bottom chair compare with the temperature of the top chair before the chairs touch? What will happen after the chairs have been touching for a while?
Before the chairs touch, the bottom chair is cooler than the top chair. Once the chairs are touching, the top chair will transfer kinetic energy to the molecules in the cooler bottom chair until both chairs reach the same temperature, which will be in between their starting temperatures.
Before the chairs touch, the bottom chair is hotter than the top chair. Once the chairs are touching, the bottom chair will transfer kinetic energy to the molecules in the cooler top chair until both chairs reach the same temperature, which will be in between their starting temperatures.
Before the chairs touch, the chairs are different temperatures. Once the chairs are touching, both kinetic energy and cold energy will transfer between the molecules in the two chairs until both chairs reach the same temperature, which will be in between their starting temperatures.
Before the chairs touch, the bottom chair is hotter than the top chair. Once the chairs are touching, the cooler top chair will gain kinetic energy until the molecules in both chairs have an energy of 35, because hotter things increase the temperature of cooler things.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Four people are putting their laptop computers away. Mari puts her laptop on Sam’s laptop, and Arun puts his laptop on Odessa’s laptop. The diagram above shows the laptops before they touch each other. Use the information in the diagram to answer the question. After the laptops have been touching for a while, will Sam’s laptop or Odessa’s laptop be cooler, and why?
Sam’s laptop will be cooler than Odessa’s laptop, because less energy has to transfer for the molecules of Sam’s laptop to reach the same temperature as the molecules of Arun’s laptop.
Both laptops will be the same temperature, because both Arun’s and Mari’s laptops had the same amount of energy to transfer and the molecules in Sam’s and Odessa’s laptops started with the same energy.
Odessa’s laptop will be cooler than Sam’s laptop, because Odessa’s started with more total energy, so less energy has to transfer for her and Arun’s laptops to reach the same total energy.
Odessa’s laptop will be cooler than Sam’s laptop, because the energy that transferred to Odessa’s was spread out over more molecules.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A chef needs to increase the temperature of a food dish. She thinks she can do this by stacking another dish on top of it. She has three dishes to choose from for the top dish: A, B, and C. Which one of these dishes would make the food dish the warmest when placed on top of it? As part of your answer, explain how the energy and temperature of both the top dish and the food dish will change when the food dish warms up, and why.
Overall, the bottom dish will change temperature less than the food dish, because it has more molecules.
Overall, the top dish will change temperature most than the food dish, because it has more molecules.
Overall, the bottom dish will change temperature less than the food dish, because it has less molecules.
Overall, the top dish will change temperature less than the food dish, because it has more molecules.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Avanti works in a bookstore. She has four books and is going to place them in two stacks. The diagram above shows the books before they touch. Use the information in the diagram to answer the question. How did the temperatures of the four books compare before they touched? How will the temperatures of the two top books compare after the books have been touching for a while, and why?
The warmer top books will transfer kinetic energy to the botton books.
The warmer bottom books will transfer kinetic energy to the top books.
The warmer bottom books will not transfer kinetic energy to the top books.
The warmer top books will not transfer kinetic energy to the bottom books.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
NGSS.MS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In some places, hot water from underground can shoot up into the air through a hole in the ground. When this happens, the ground surrounding the water increases in temperature. What happens to the molecules in the ground when the temperature of the ground increases?
More heat molecules combine with the molecules in the ground.
The energy of the molecules in the ground decreases.
The energy of the molecules in the ground decreases.
The energy of the molecules in the ground increases.
The cold energy of the molecules in the ground decreases.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
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