# Laws of Thermodynamics

## Quiz by Garrett Dyer

Science (2010)
Texas Essential Knowledge and Skills (TEKS)

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17 questions
• Q1
At absolute zero, all substances would be in the _____________ phase.
Plasma
Gas
Liquid
Solid
60s
• Q2
Absolute zero is equal to zero in the _______________ temperature scale.
Kelvin
Fahrenheit
Digital
Celsius
60s
• Q3
State whether the process is accompanied by an increase or decrease in entropy for the system: A brand new deck of cards is shuffled.
Entropy Decreases
No Change
Entropy Increases
60s
• Q4
State whether the process is accompanied by an increase or decrease in entropy for the system: Dew condenses on a leaf.
Entropy Increases
No Change
Entropy Decreases
60s
• Q5
State whether the process is accompanied by an increase or decrease in entropy for the system: A porcelain vase shatters on the ground.
No Change
Entropy Increases
Entropy Decreases
60s
• Q6
Select the law of thermodynamics that best represents the following situation: Thermal energy is transferred from a warmer object to a colder object which are in contact with each other. Eventually, after some amount of time, both objects have the same thermal energy (temperature).
1st Law - Conservation of Energy
2nd Law - Law of Entropy
Zeroth Law - Equilibrium Principle
3rd Law - Temperature Principle
60s
• Q7
Select the law of thermodynamics that best represents the following situation: The chemical potential energy in fuel is used to increase a car's kinetic energy.
2nd Law - Law of Entropy
Zeroth Law - Equilibrium Principle
3rd Law - Temperature Principle
1st Law - Conservation of Energy
60s
• Q8
Select the law of thermodynamics that best represents the following situation: Water vapor in a cloud condensed into a liquid and froze into ice crystals.
2nd Law - Law of Entropy
1st Law - Conservation of Energy
3rd Law - Temperature Principle
Zeroth Law - Equilibrium Principle
60s
• Q9
Select the law of thermodynamics that best represents the following situation: An open box of books fell over and all of the books fell out of the box randomly onto the floor.
1st Law - Conservation of Energy
Zeroth Law - Equilibrium Principle
3rd Law - Temperature Principle
2nd Law - Law of Entropy
60s
• Q10
What is the temperature at which kinetic energy and entropy for all atomic motion stops?
-273.15 K or 0 C
0 F or -273.15 K
0 C or -273.15 F
0 k or -273.15 C
60s
• Q11
Which of the following describes a system in thermal equilibrium?
A hot object and a cold object are in contact with each other.
An object is heating up due to a nearby fireplace.
Two objects of exactly the same temperature are in contact with each other - heat can transfer freely between them, but no heat transfer is happening.
Two objects of exactly the same temperature have an impenetrable heat barrier between them.
60s
• Q12
By what mechanism do two objects of different temperatures reach thermal equilibrium?
Heat spontaneously transfers from one place to another, regardless of temperature.
None of the answers are correct; the objects never reach thermal equilibrium.
Faster moving molecules in the hotter object hit the slower moving molecules in the colder object, until the heat has fully equalized.
Faster moving molecules in the colder object hit the slower moving molecules in the hotter object, until heat has fully equalized.
60s
• Q13
What will eventually be the equilibrium temperature for both systems?
10 C
20 C
30 C
15 C
60s
• Q14
What is the definition of thermodynamics?
The study of the relationship between heat, work, and energy.
The energy available to do work.
The amount of heat it takes to move an engine.
The movement of heat.
60s
• Q15
What is temperature?
The measure of the average kinetic energy of particles in an object.
Total energy in an object.
The measure of the average potential energy of particles in an object.
The measure of the kinetic energy of particles in an object.
60s

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