Question 1

Distinguish between the concepts of thermal energy,temperature,and heat.

Accepted Answer

Thermal energy,measured in calories or j

Question 2

When you touch a piece of ice with your finger,energy flows

Accepted Answer

A) from your finger to the ice. 
B) from the ice to your finger. 
C) both of these 
D) none of the above 
A) from your finger to the ice. 
B) from the ice to your finger. 
C) both of these 
D) none of the above

Question 3

Hot sand cools off faster at night than plants and vegetation,which indicates that the specific heat capacity of sand is

Accepted Answer

A) less than for plants. 
B) more than for plants. 
C) likely the same as for plants. 
D) not enough information 
A) less than for plants. 
B) more than for plants. 
C) likely the same as for plants. 
D) not enough information

Question 4

If water at 4°C slightly increases in temperature,the water

Accepted Answer

A) contracts. 
B) expands. 
C) neither of these 
A) contracts. 
B) expands. 
C) neither of these

Question 5

As a hot iron ring cools,the diameter of the hole

Accepted Answer

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

Question 6

The motion of atoms and molecules that most affects temperature is

Accepted Answer

A) translational. 
B) rotational. 
C) vibrational. 
D) none of the above 
A) translational. 
B) rotational. 
C) vibrational. 
D) none of the above

Question 7

When a bimetallic bar of copper and iron strips is heated,the bar bends toward the iron strip because

Accepted Answer

A) iron gets hotter before copper. 
B) copper gets hotter before iron. 
C) copper expands more than iron. 
D) iron expands more than copper. 
E) none of the above 
A) iron gets hotter before copper. 
B) copper gets hotter before iron. 
C) copper expands more than iron. 
D) iron expands more than copper. 
E) none of the above

Question 8

Heat is thermal energy that matter

Accepted Answer

A) contains. 
B) transfers. 
C) both of these 
D) none of the above 
A) contains. 
B) transfers. 
C) both of these 
D) none of the above

Question 9

The temperature of boiling water is

Accepted Answer

A) 100°C. 
B) 212°F. 
C) both of these 
A) 100°C. 
B) 212°F. 
C) both of these

Question 10

The final temperature of 1 liter of 40°C water poured into 1 liter of 20°C water is

Accepted Answer

A) less than 30°C. 
B) at or about 30°C. 
C) more than 30°C. 
A) less than 30°C. 
B) at or about 30°C. 
C) more than 30°C.

Question 11

If glass expanded more than mercury in a thermometer,then with rising temperature the column of mercury would

Accepted Answer

A) rise. 
B) not change. 
C) fall. 
A) rise. 
B) not change. 
C) fall.

Question 12

The density of water at 4°C will slightly decrease when it 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 13

When a metal ring with a gap in the shape of the letter C is heated,the gap becomes

Accepted Answer

A) wider. 
B) narrower. 
C) remains the same size. 
A) wider. 
B) narrower. 
C) remains the same size.

Exam 6: Thermal Energy and Thermodynamics

Distinguish between the concepts of thermal energy,temperature,and heat.

When you touch a piece of ice with your finger,energy flows

Hot sand cools off faster at night than plants and vegetation,which indicates that the specific heat capacity of sand is

If water at 4°C slightly increases in temperature,the water

As a hot iron ring cools,the diameter of the hole

The motion of atoms and molecules that most affects temperature is

When a bimetallic bar of copper and iron strips is heated,the bar bends toward the iron strip because

Heat is thermal energy that matter

The temperature of boiling water is

The final temperature of 1 liter of 40°C water poured into 1 liter of 20°C water is

If glass expanded more than mercury in a thermometer,then with rising temperature the column of mercury would

The density of water at 4°C will slightly decrease when it is

When a metal ring with a gap in the shape of the letter C is heated,the gap becomes

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Heat Transfer and Change of Phase

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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