Question 1

The degrees on the Celsius scale are larger than degrees on the Fahrenheit scale.

Accepted Answer

A) True 
 B)False  True

Question 2

The water in a swimming pool is cooler than the surrounding sidewalk because it

Accepted Answer

A) has a higher specific heat. 
B) has weaker attractive forces. 
C) loses heat more rapidly. 
D) has a lower density. 
A) has a higher specific heat. 
B) has weaker attractive forces. 
C) loses heat more rapidly. 
D) has a lower density. A

Question 3

Water molecules move back and forth between the liquid and gaseous phases

Accepted Answer

A) only when the space above a liquid is not saturated. 
B) only at 100ºC. 
C) only when the humidity is low. 
D) at all times. 
A) only when the space above a liquid is not saturated. 
B) only at 100ºC. 
C) only when the humidity is low. 
D) at all times. D

Question 4

Adding heat to a substance

Accepted Answer

A) always results in a temperature increase. 
B) sometimes does not result in a temperature change. 
C) sometimes results in a temperature decrease. 
D) None of the above. 
A) always results in a temperature increase. 
B) sometimes does not result in a temperature change. 
C) sometimes results in a temperature decrease. 
D) None of the above.

Question 5

Which thermodynamic law says that you cannot convert 100 percent of a heat source into mechanical energy?

Accepted Answer

A) first law of thermodynamics 
B) second law of thermodynamics 
C) third law of thermodynamics 
D) law of increasing entropy 
A) first law of thermodynamics 
B) second law of thermodynamics 
C) third law of thermodynamics 
D) law of increasing entropy

Question 6

A passive solar home with direct solar gain requires

Accepted Answer

A) a large, open window space. 
B) a calculated overhang. 
C) storage mass without carpets or drapes. 
D) All of the above. 
A) a large, open window space. 
B) a calculated overhang. 
C) storage mass without carpets or drapes. 
D) All of the above.

Question 7

The heat death of the universe is a theoretical time in the future when the universe is supposed to

Accepted Answer

A) have a high enough temperature to kill all living things. 
B) have a very high temperature, vaporizing all matter. 
C) freeze at a uniform low temperature. 
D) use up the entire supply of entropy. 
A) have a high enough temperature to kill all living things. 
B) have a very high temperature, vaporizing all matter. 
C) freeze at a uniform low temperature. 
D) use up the entire supply of entropy.

Question 8

Iron heats up more rapidly than does aluminum because it has a greater specific heat.

Accepted Answer

A) True 
 B)False

Question 9

When the evaporation rate equals the condensation rate, the space above the liquid is

Accepted Answer

A) heating. 
B) cooling. 
C) saturated. 
D) in a phase change. 
A) heating. 
B) cooling. 
C) saturated. 
D) in a phase change.

Question 10

The amount of heat needed to increase the temperature of 1 gram of a substance 1 degree Celsius is known as

Accepted Answer

A) latent heat. 
B) specific heat. 
C) a calorie. 
D) Btu. 
A) latent heat. 
B) specific heat. 
C) a calorie. 
D) Btu.

Question 11

The molecules of a gas are much farther apart than molecules in a solid or liquid.

Accepted Answer

A) True 
 B)False

Question 12

Molecules are the smallest units of matter with the characteristic properties of a substance.

Accepted Answer

A) True 
 B)False

Question 13

Water beads up on wax paper because its cohesive forces are greater than the adhesive forces.

Accepted Answer

A) True 
 B)False

Question 14

The sum of all the energy of the molecules of an object is called the temperature of that object.

Accepted Answer

A) True 
 B)False

Question 15

Your body judges temperature

Accepted Answer

A) very poorly, sensing only heat flow. 
B) within 5$\circ$C of the actual temperature. 
C) better than most thermometers. 
D) None of the above. 
A) very poorly, sensing only heat flow. 
B) within 5$\circ$C of the actual temperature. 
C) better than most thermometers. 
D) None of the above.

Question 16

A liquid at 20ºC is twice as hot as the liquid at 10ºC.

Accepted Answer

A) True 
 B)False

Question 17

A statement that the energy supplied to a system in the form of heat, minus the work done by the system, is equal to the change in internal energy represents the

Accepted Answer

A) first law of thermodynamics. 
B) second law of thermodynamics. 
C) third law of thermodynamics. 
D) law of increasing entropy. 
A) first law of thermodynamics. 
B) second law of thermodynamics. 
C) third law of thermodynamics. 
D) law of increasing entropy.

Question 18

The nutritionist's Calorie is really a kilocalorie.

Accepted Answer

A) True 
 B)False

Question 19

In the equation: Q = mc∆t, the c stands for the

Accepted Answer

A) heat of vaporization. 
B) number of calories gained or lost. 
C) convection coefficient. 
D) specific heat. 
A) heat of vaporization. 
B) number of calories gained or lost. 
C) convection coefficient. 
D) specific heat.

Question 20

Which of the following involves the greatest amount of heat when warming 100 grams of ice?

Accepted Answer

A) warming the ice 
B) melting the ice 
C) warming the water 
D) evaporating the water 
A) warming the ice 
B) melting the ice 
C) warming the water 
D) evaporating the water

Exam 4: Heat and Temperature

The degrees on the Celsius scale are larger than degrees on the Fahrenheit scale.

The water in a swimming pool is cooler than the surrounding sidewalk because it

Water molecules move back and forth between the liquid and gaseous phases

Adding heat to a substance

Which thermodynamic law says that you cannot convert 100 percent of a heat source into mechanical energy?

A passive solar home with direct solar gain requires

The heat death of the universe is a theoretical time in the future when the universe is supposed to

Iron heats up more rapidly than does aluminum because it has a greater specific heat.

When the evaporation rate equals the condensation rate, the space above the liquid is

The amount of heat needed to increase the temperature of 1 gram of a substance 1 degree Celsius is known as

The molecules of a gas are much farther apart than molecules in a solid or liquid.

Molecules are the smallest units of matter with the characteristic properties of a substance.

Water beads up on wax paper because its cohesive forces are greater than the adhesive forces.

The sum of all the energy of the molecules of an object is called the temperature of that object.

Your body judges temperature

A liquid at 20ºC is twice as hot as the liquid at 10ºC.

A statement that the energy supplied to a system in the form of heat, minus the work done by the system, is equal to the change in internal energy represents the

The nutritionist's Calorie is really a kilocalorie.

In the equation: Q = mc∆t, the c stands for the

Which of the following involves the greatest amount of heat when warming 100 grams of ice?

What Is Science

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