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Introductory Knowledge of Thermodynamics

Total questions: 15

Worksheet time: 18mins

Name
Class
Date
1.

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

2.
The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
3.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
4.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
5.

Particles (molecules) in a ______________________ have less energy than the other states of matter.

a)

gas

b)

solid

c)

liquid

6.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
7.

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

a)

Zeroth Law

b)

1st Law

c)

2nd Law

d)

3rd law

8.

Which law explains the relationship between temperature and entropy?

a)

Zeroth Law

b)

1st Law

c)

2nd Law

d)

3rd Law

9.

Which is the best description of equilibrium?

a)

When two systems weigh the same amount as each other

b)

The equal exchange between reactants and products in open systems

c)

The equal exchange between reactants and products in closed systems

d)

When reactants and products become equal to each other

10.
It is possible to reach absolute zero
a)
true
b)
false
11.

What is thermodynamics?

a)

movement of heat

b)

it's magic

c)

none of them

12.
What is internal energy?
a)
The amount of heat an object contains.
b)
The sum of the kinetic and potential energy of the particles of a substance.
c)
Something we can measure easily.
d)
Something that does not exist.
13.
It states that if two thermodynamic systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with each other.
a)
First Law of Thermodynamics
b)
Second Law of Thermodynamics
c)
Third Law of Thermodynamics
d)
Zeroth Law
14.
Which state of H2O  has the greatest entropy?
a)
Ice
b)
Water
c)
Vapor
15.
The amount of thermal energy required to raise the temperature of one (1) kilogram of a substance by 1o C is known as:
a)
Specific heat
b)
Heat of fusion
c)
Heat of vaporization
d)
Melting point