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Thermodynamics and Systems

Total questions: 25

Worksheet time: 30mins

Name
Class
Date
1.
The SI unit for measuring heat is the 
a)
pascal
b)
newton
c)
Joule
d)
calorie
2.
Thermodynamics is the study of what?
a)
The transfer of energy
b)
The creation of energy
c)
The speed of reactions 
d)
The affect of heat on the speed of a reaction 
3.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
a)
Hotter to colder
b)
Colder to hotter
c)
Hotter to hotter
d)
Colder to colder
4.

A measure of the amount of disorder or randomness in a system.

a)

Entropy

b)

Exothermic

c)

First Law of Thermodynamics

d)

Heat engine

5.

Everything in the universe that is outside a defined system.

a)

Surroundings

b)

Open system

c)

Closed system

d)

Thermodynamics

6.
The _____ Law of Thermodynamics says that heat always flows from an object with a higher temperature to an object of lower temperature naturally
a)
Zeroth
b)
First
c)
Second
d)
Third
7.
A thermometer measures temperature which is best described as
a)
heat movement of particles
b)
average kinetic energy of particles
c)
calorimetry experiment
d)
specific heat of a substance
8.

The amount of energy required to raise the temperature of 1 gram of a substance by 1o C is known as:

a)

Specific heat capacity

b)

Heat of fusion

c)

Heat of vaporization

d)

Melting point

9.

A substance with a high specific heat:

a)

Is always extremely hot.

b)

Requires a lot of energy to become hot.

c)

Is not heavy.

d)

Does not require a lot of energy to become hot.

10.
The transfer of thermal energy between objects of different temperatures is called...
a)
temperature
b)
heat
c)
internal energy
d)
none of these
11.
A(n) _____________ is a device for measuring temperature.
a)
thermometer
b)
barometer
c)
anemometer
d)
psychrometer 
12.
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.
13.
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.
14.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
15.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
16.

When a substance or material gets hotter, it expands to a greater volume, this is called ..

a)

thermodynamics

b)

temperature

c)

thermal equilibrium

d)

thermal expansion

17.

A condition in which all parts of a system are at the same temperature?

a)

thermodynamics

b)

temperature

c)

thermal equilibrium

d)

thermal expansion

18.

What is the formula to convert Fahrenheit to Celsius?

a)

C = (F-32) / 1.8

b)

F= (1.8xC) + 32

c)

K= C + 273

d)

C= K - 273

19.

Whats the formula to convert Celsius to Fahrenheit?

a)

C= (F-32) / 1.8

b)

F = (1.8 x C) + 32

c)

K = C + 273

d)

C = K - 273

20.

Which variable is not needed to solve for heat energy (Q)?

a)

mass (m)

b)

specific heat capactiy (c)

c)

change in temperature (T)

d)

boiling point (B)

21.

What are the units for specific heat capacity?

a)

kg or g

b)

C or K

c)

cal or J

d)

cal/g C or J/kg K

22.

What are the units for Heat (Q) ?

a)

g or kg

b)

C or K

c)

cal or J

d)

cal/g C or J/kg K

23.

Mercury thermometers work based on the principal of ...

a)

thermodynamics

b)

thermal expansion

c)

thermal equilibrium

d)

Specific heat capacity

24.

Study of how heat moves is called...

a)

thermodynamics

b)

thermometer

c)

heat energy

d)

thermal expansion

25.

Measure of disorder and randomness in a system, this is called...

a)

heat energy

b)

temperature

c)

thermal equilibrium

d)

entropy

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