Question 1

Celsius degrees are larger than Fahrenheit degrees.

Accepted Answer

A) True 
 B)False

Question 2

The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be __________ times the change in length of the Pyrex glass rod.

Accepted Answer

The answer of The coefficient of linear expansion of ordinary...

Question 3

Internal energy can only be changed by adding heat

Accepted Answer

A) True 
 B)False

Question 4

When ice melts,its temperature increases.

Accepted Answer

A) True 
 B)False

Question 5

The air temperature where the humidity reaches the saturation density is called the ___________.

Accepted Answer

The answer of The air temperature where the humidity reaches...

Question 6

Solar energy

Accepted Answer

A) is a recent invention. 
B) has been used for a long time. 
C) has not yet been successfully developed. 
D) is indirectly the source of most of the energy we use.

Question 7

Match each item with the correct statement below.
-heat transfer by way of buoyant mixing in a fluid

Accepted Answer

A) bimetallic strip 
B) Carnot efficiency 
C) conduction 
D) convection 
E) entropy
F)evaporation
G)heat
H)heat engine
I)heat mover
J)humidity
K)internal energy
L)radiation
M)saturation density
N)temperature

Question 8

When ice melts,its temperature __________.

Accepted Answer

The answer of When ice melts,its temperature __________....

Question 9

The specific heat capacity of water is about twice the specific heat capacity of ice.The amount of heat required to boil 1 kg of water is twice the amount of heat required to melt 1 kg of ice.

Accepted Answer

A) True 
 B)False

Question 10

​Match each item with the correct statement below.
-used in thermostats and some thermometers

Accepted Answer

A) ​bimetallic strip 
B) ​Carnot efficiency 
C) ​conduction 
D) ​convection 
E) ​entropy
F)​evaporation
G)​heat
H)​heat engine
I)​heat mover
J)humidity
K)​internal energy
L)radiation
M)​saturation density
N)temperature
O)​dew point

Question 11

specific heat capacity of ice = 2,000 J/kg-°C
latent heat of fusion of water = 334,000 J/kg
specific heat capacity of water = 4,000 J/kg-°C
-The 1 kg block of ice melts into water.The amount of heat absorbed by the ice as it melts is

Accepted Answer

A) 2,000 J. 
B) 4,000 J. 
C) 20,000 J. 
D) 40,000 J. 
E) 334,000 J.

Question 12

A 4 kilogram block of ice is removed from a freezer where its temperature was maintained at -20 degrees Celsius.How much heat does the ice absorb as it is warmed to -10 degrees? (The specific heat capacity of ice is 2,000 joules per kilogram degree Celsius. )

Accepted Answer

The answer of A 4 kilogram block of ice is...

Question 13

Match each item with the correct statement below.
-can be increased by doing work on a substance or by adding heat to it

Accepted Answer

A) bimetallic strip 
B) Carnot efficiency 
C) conduction 
D) convection 
E) entropy
F)evaporation
G)heat
H)heat engine
I)heat mover
J)humidity
K)internal energy
L)radiation
M)saturation density
N)temperature

Question 14

An object transfers heat when its temperature is raised by contact with a

Accepted Answer

The answer of An object transfers heat when its temperature...

Question 15

__________ is transferred from a substance if it is exposed to something that has a lower temperature.

Accepted Answer

The answer of __________ is transferred from a substance if...

Question 16

Heating the air in a hot air balloon reduces the air's _________.

Accepted Answer

The answer of Heating the air in a hot air...

Question 17

Air at a temperature of 32°F has a relative humidity of 60%.If the temperature of the same air increases,the relative humidity increases.

Accepted Answer

A) True 
 B)False

Question 18

The latent heat of vaporization of water is roughly 10 times the latent heat of fusion of water.The amount of heat required to boil 1 kg of water is __________ times the amount of heat required to melt 1 kg of ice.

Accepted Answer

The answer of The latent heat of vaporization of water...

Question 19

The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be 3 times the change in length of the Pyrex glass rod.

Accepted Answer

A) True 
 B)False

Question 20

Which is larger,a calorie or a joule?

Accepted Answer

A) calorie 
B) joule 
C) Neither-they are the same. 
D) They cannot be compared since they measure different physical quantities.

Exam 5: Temperature and Heat

Celsius degrees are larger than Fahrenheit degrees.

Internal energy can only be changed by adding heat

When ice melts,its temperature increases.

The air temperature where the humidity reaches the saturation density is called the ___________.

Solar energy

Match each item with the correct statement below. -heat transfer by way of buoyant mixing in a fluid

When ice melts,its temperature __________.

The specific heat capacity of water is about twice the specific heat capacity of ice.The amount of heat required to boil 1 kg of water is twice the amount of heat required to melt 1 kg of ice.

​Match each item with the correct statement below. -used in thermostats and some thermometers

specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C -The 1 kg block of ice melts into water.The amount of heat absorbed by the ice as it melts is

A 4 kilogram block of ice is removed from a freezer where its temperature was maintained at -20 degrees Celsius.How much heat does the ice absorb as it is warmed to -10 degrees? (The specific heat capacity of ice is 2,000 joules per kilogram degree Celsius. )

Match each item with the correct statement below. -can be increased by doing work on a substance or by adding heat to it

An object transfers heat when its temperature is raised by contact with a

__________ is transferred from a substance if it is exposed to something that has a lower temperature.

Heating the air in a hot air balloon reduces the air's _________.

Air at a temperature of 32°F has a relative humidity of 60%.If the temperature of the same air increases,the relative humidity increases.

The latent heat of vaporization of water is roughly 10 times the latent heat of fusion of water.The amount of heat required to boil 1 kg of water is __________ times the amount of heat required to melt 1 kg of ice.

Which is larger,a calorie or a joule?

Match each item with the correct statement below. -used in thermostats and some thermometers