Question 1

An infrared thermometer operates by way of

Accepted Answer

A) temperature differences. 
B) radiant energy invisible to humans. 
C) conduction,convection,and radiation. 
D) none of the above 
A) temperature differences. 
B) radiant energy invisible to humans. 
C) conduction,convection,and radiation. 
D) none of the above

Question 2

Coastal winds that shift from night to day illustrate

Accepted Answer

A) conduction. 
B) convection. 
C) radiation. 
D) all about equally 
A) conduction. 
B) convection. 
C) radiation. 
D) all about equally

Question 3

The process of convection occurs in

Accepted Answer

A) solids. 
B) liquids. 
C) gases. 
D) fluids. 
E) none of the above 
A) solids. 
B) liquids. 
C) gases. 
D) fluids. 
E) none of the above

Question 4

Which is not a phase of matter?

Accepted Answer

A) solids 
B) liquids 
C) gases 
D) vacuum 
A) solids 
B) liquids 
C) gases 
D) vacuum

Question 5

Why does a hot dog pant?

Accepted Answer

Dogs lack sweat glands and mus

Question 6

Metals are both good heat and electrical conductors due to

Accepted Answer

A) similar thermal and electrical conductive properties. 
B) looseness of outer electrons in metal atoms. 
C) relatively high densities of metals. 
D) high elasticity of metals. 
E) ability of metals to transfer energy easily. 
A) similar thermal and electrical conductive properties. 
B) looseness of outer electrons in metal atoms. 
C) relatively high densities of metals. 
D) high elasticity of metals. 
E) ability of metals to transfer energy easily.

Question 7

The temperature at which water freezes is the same as the temperature at which

Accepted Answer

A) ice melts. 
B) water boils. 
C) both of these 
D) neither of these 
A) ice melts. 
B) water boils. 
C) both of these 
D) neither of these

Question 8

If the greenhouse effect on Earth were absent,Earth's average temperature would be about

Accepted Answer

A) -18°C. 
B) appreciably warmer. 
C) as it is now. 
A) -18°C. 
B) appreciably warmer. 
C) as it is now.

Question 9

To change 50 g of boiling water to steam requires

Accepted Answer

A) 50 calories. 
B) 500 calories 
C) 540 calories. 
D) more calories than is required to bring 50 g of ice at absolute zero to the boiling point. 
E) none of the above 
A) 50 calories. 
B) 500 calories 
C) 540 calories. 
D) more calories than is required to bring 50 g of ice at absolute zero to the boiling point. 
E) none of the above

Question 10

Wood is a poor conductor

Accepted Answer

A) when it is cold. 
B) at room temperature. 
C) when it is hot. 
D) all of the above 
E) none of the above 
A) when it is cold. 
B) at room temperature. 
C) when it is hot. 
D) all of the above 
E) none of the above

Question 11

When a steaming-hot aluminum soda can is quickly inverted into a pan of water,the can is dramatically crushed due to a rapid decrease in internal pressure caused by

Accepted Answer

A) contact with the cooler water. 
B) sudden slowing of internal air and steam molecules. 
C) condensation of steam inside. 
D) reduced thermal energy. 
E) rapid conduction of heat to the relatively cool water. 
A) contact with the cooler water. 
B) sudden slowing of internal air and steam molecules. 
C) condensation of steam inside. 
D) reduced thermal energy. 
E) rapid conduction of heat to the relatively cool water.

Question 12

A blueberry pie will be a net absorber of energy when its temperature is

Accepted Answer

A) higher than its surroundings. 
B) lower than its surroundings. 
C) none of these 
A) higher than its surroundings. 
B) lower than its surroundings. 
C) none of these

Question 13

The planet Earth loses heat primarily by

Accepted Answer

A) conduction. 
B) convection. 
C) radiation. 
D) all of the above 
E) none of the above 
A) conduction. 
B) convection. 
C) radiation. 
D) all of the above 
E) none of the above

Question 14

When thermal energy is added to boiling water,the water temperature

Accepted Answer

A) increases. 
B) decreases. 
C) remains the same. 
A) increases. 
B) decreases. 
C) remains the same.

Question 15

Sublimation is a change of phase from solid to gas without

Accepted Answer

A) passing through the liquid phase. 
B) a transfer of energy. 
C) a change of temperature. 
A) passing through the liquid phase. 
B) a transfer of energy. 
C) a change of temperature.

Question 16

Water can be brought to a boil by

Accepted Answer

A) supplying thermal energy. 
B) reducing air pressure on its surface. 
C) both of these 
D) neither of these 
A) supplying thermal energy. 
B) reducing air pressure on its surface. 
C) both of these 
D) neither of these

Question 17

In a gaseous mixture of hydrogen and oxygen,the molecules having the greater average kinetic energy are

Accepted Answer

A) hydrogen. 
B) oxygen. 
C) both the same 
D) not enough information 
A) hydrogen. 
B) oxygen. 
C) both the same 
D) not enough information

Question 18

When snow forms in clouds,the surrounding air is

Accepted Answer

A) cooled. 
B) warmed. 
C) both of these 
D) none of the above 
A) cooled. 
B) warmed. 
C) both of these 
D) none of the above

Question 19

In walking barefoot on red-hot coals,to prevent bits of coal sticking to your feet,it would be safer if your feet are

Accepted Answer

A) wet. 
B) dry. 
C) either of these 
D) none of the above 
A) wet. 
B) dry. 
C) either of these 
D) none of the above

Question 20

Hot steam that issues from a pressure cooker expands and

Accepted Answer

A) increases in temperature. 
B) can cause severe burns. 
C) cools. 
D) all of the above 
E) none of the above 
A) increases in temperature. 
B) can cause severe burns. 
C) cools. 
D) all of the above 
E) none of the above

Exam 7: Heat Transfer and Change of Phase

An infrared thermometer operates by way of

Coastal winds that shift from night to day illustrate

The process of convection occurs in

Which is not a phase of matter?

Why does a hot dog pant?

Metals are both good heat and electrical conductors due to

The temperature at which water freezes is the same as the temperature at which

If the greenhouse effect on Earth were absent,Earth's average temperature would be about

To change 50 g of boiling water to steam requires

Wood is a poor conductor

When a steaming-hot aluminum soda can is quickly inverted into a pan of water,the can is dramatically crushed due to a rapid decrease in internal pressure caused by

A blueberry pie will be a net absorber of energy when its temperature is

The planet Earth loses heat primarily by

When thermal energy is added to boiling water,the water temperature

Sublimation is a change of phase from solid to gas without

Water can be brought to a boil by

In a gaseous mixture of hydrogen and oxygen,the molecules having the greater average kinetic energy are

When snow forms in clouds,the surrounding air is

In walking barefoot on red-hot coals,to prevent bits of coal sticking to your feet,it would be safer if your feet are

Hot steam that issues from a pressure cooker expands and

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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