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Thermodynamics

Total questions: 25

Worksheet time: 47mins

Name
Class
Date
1.
A(n) _____________ is a device for measuring temperature.
a)
thermometer
b)
barometer
c)
anemometer
d)
psychrometer 
2.
Temperature is a measure of the...
a)
total energy in a substance
b)
total kinetic energy in a substance
c)
average potential energy in a substance
d)
average kinetic energy of molecules in a substance
3.
The transfer of thermal energy between objects of different temperatures is called...
a)
temperature
b)
heat
c)
internal energy
d)
none of these
4.
It is possible to reach absolute zero
a)
true
b)
false
5.
Heat travels from the sun to the earth by the process of...
a)
conduction
b)
convection
c)
radiation
d)
insulation
6.
Thermal energy always moves:
a)
From a high temperature object to a lower temperature object.
b)
From a lower temperature object to a higher temperature object.
c)
From an object with lower kinetic energy to an object with higher kinetic energy.
d)
From an object of higher mass to an object of lower mass.
7.
The second  law of thermodynamics states that entropy of a system  tends to ______________. 
a)
increase
b)
decrease
c)
stay constant
d)
fluctuate wildly
8.
The temperature of a glass of cold water will eventually...
a)
Match the temperature of the surrounding environment.
b)
Always be colder than the surrounding environment.
c)
Become warmer than the surrounding environment.
d)
Never change temperature.
9.
Which law of thermodynamics states that absolute zero cannot be reached?
a)
1st
b)
2nd
c)
3rd
10.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
11.
What is "Entropy"?
a)
The tendency of objects to warm up
b)
The tendency of energy to spread out
c)
The tendency of energy to make heat
d)
The tendency of objects to do work
12.
Which would have more entropy?
a)
Frozen ice cream
b)
Liquid Ice cream
13.
In which of the following systems is entropy increasing?
a)
Putting together a puzzle
b)
Putting books on a shelf
c)
Breaking a plate
d)
Filling a jar of salt
14.
What is the name of a device that converts thermal energy into work?
a)
Heating system
b)
Heat engine
c)
Entropy
d)
Power
15.
The energy transferred between the particles of two objects because of the temperature difference between the two objects is called ________________.
a)
heat
b)
insulator 
c)
conductor 
16.
High temperature is connected to:
a)
Low kinetic energy.
b)
High kinetic energy.
c)
Zero net energy.
d)
Equal kinetic energies.
17.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
18.

Do molecules generally move faster at 45 C or 106 C?

a)

45 C because molecules have more energy than in 106C

b)

106 C because molecules have more energy than in 45C

c)

106 C because molecules have less energy than in 45C

d)

45C because molecules have less energy than in 106 C

19.

When you place the metal in boiling water, heat flows from the _________ to the _______.

a)

metal to the boiling water

b)

bottom of the metal to the top half of the metal

c)

bottom of the water to the top of the water

d)

boiling water to the metal

20.

Select the correct SI unit for Heat

a)

calorie

b)

joule

c)

kelvin

d)

celsius

21.

What method of heat transfer do solar panels rely on?

a)

Conduction

b)

Convection

c)

Radiation

d)

Nucleation

22.

Which law states "The entropy of a closed system is always increasing"?

a)

Zeroth Law

b)

1st Law

c)

2nd Law

d)

3rd law

23.

Which law states "Energy can neither be created nor destroyed. It can only be transformed"?

a)

Zeroth Law

b)

1st Law

c)

2nd Law

d)

3rd law

24.

Which law of Thermodynamics helps to explain how car engines work?

a)

Zeroth Law

b)

1st Law

c)

2nd Law

d)

3rd Law

25.

Which is an example of a decrease in entropy?

a)

water freezing

b)

water boiling

c)

campfire burning

d)

a copper coin rusts

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