Exit Check 5.5 - Work and Heat Engines
Authored by Scott Ness
Physics
9th Grade
NGSS covered
Used 19+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.1
A pair of dogs are walking on a treadmill at a constant velocity. Which statement best describes whether or not the corgi's are doing work?
The dogs will eventually get tired, so work is being done.
The dogs are enjoying themselves so they are no work is being done.
The dogs are applying force to the treadmill, so there is work being done.
The velocities of the dogs are not changing, so the net work done is 0J
Answer explanation
This question links to success criteria 5.5.1: I can relate work and changes in kinetic energy.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.1
Which of the following best describes the work that is done in the image?
When the cat pushes against the bed it does work to jump forward.
When the cat is moving forward it does work to change its position
When the cat jumps off the bed, the bed does work to remain stationary
No work is done in this video because no money is shown in the video.
Answer explanation
This question links to success criteria 5.5.1: I can relate work and changes in kinetic energy.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.1
At the bottom of the slope, the skier starts with 35,000 J of Kinetic energy. Use information from the picture and identify which of the following statements shows how much work the unpacked snow does on the skier.
15,000 J of work is being done in the positive direction
35,000 J of work is being done in the negative direction.
50,000 J of work is being done in the negative direction
0 J of work is being done. The skier is clearly on vacation.
Answer explanation
This question links to success criteria 5.5.1: I can relate work and changes in kinetic energy.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.1
If the skier has a mass of 65 kg. Use information from the picture and identify how much work is being done by gravity as they ski down the slope? Reminder: Find initial and final KE.
33,072 J of work is being done by gravity.
1,036.75 J pf work is being done by gravity
1,074,850.56 J of work is being done by gravity
0.0000076 J of work is being done by gravity.
Answer explanation
This question links to success criteria 5.5.1: I can relate work and changes in kinetic energy.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.2
The steam engine on an old river boat burns coal to release 13,942 J of energy. If 11,938 J of heat are wasted in the process, how much work did the engine do?
0.86 J of work
2004 J of Work
11,938 J of work
25,880 J of work
Answer explanation
This question links to success criteria 5.5.2: I can relate heat generated, work done and waste energy in a heat engine.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.2
An old fashion train burns fuel to produce 17,524 J of energy. If it does 3,785 J of work, how much waste heat was produced?
4.63 J of waste heat
11,938 J of waste heat.
13,739 J of waste heat
21,309 J of waste heat
Answer explanation
This question links to success criteria 5.5.2: I can relate heat generated, work done and waste energy in a heat engine.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.5.2
A new steam engine is being tested. When the engine runs it produces 6,543 J of waste heat and 2,109 J of work. What was the total input energy of the engine?
8652 J of energy
4434 J of energy
0.32 J of energy
3.10 J of energy
Answer explanation
This question links to success criteria 5.5.2: I can relate heat generated, work done and waste energy in a heat engine.
If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-4
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