PS Quiz 1/16-21 #3
Authored by DANIEL FLORES
Science
12th Grade
NGSS covered
Used 6+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
In a car engine, during which stroke does the fuel-air mixture get compressed?
Intake stroke
Compression stroke
Power stroke
Exhaust stroke
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
According to the second law of thermodynamics, heat energy:
Can flow from cold to hot objects naturally
Always flows from hot to cold objects
Remains constant in a closed system
Is created during mechanical processes
Tags
NGSS.HS-PS3-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
In a car engine, most of the energy from burning fuel is:
Converted to mechanical energy
Lost as heat
Stored in the battery
Converted to light
Tags
NGSS.HS-PS3-3
4.
MATCH QUESTION
1 min • 3 pts
Match the term with its correct definition:
First Law of Thermodynamics
A process where energy is transferred by work
Mechanical Process
Energy is neither created nor destroyed, only transformed
Four-stroke Engine
An engine that completes four piston movements per cycle
Entropy
A measure of the randomness or disorder of a system
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heat energy can naturally flow from a cold object to a hot object.
True
False
Tags
NGSS.HS-PS3-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The amount of usable energy in a system tends to decrease over time.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car's cooling system is necessary because engines are 100% efficient at converting fuel to motion.
True
False
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