Question 1

It is believed that the temperature rise caused by increased atmospheric carbon dioxide will be greater in the tropics than in the polar regions.

Accepted Answer

A) True 
 B)False

Question 2

Recent studies based on the analysis of sea-floor sediments tend to support the astronomical theory.

Accepted Answer

A) True 
 B)False

Question 3

Global warming will cause significant increases in sea level due to the thermal expansion of the ocean's waters.

Accepted Answer

A) True 
 B)False

Question 4

We have not yet established the impact of solar variability on the Earth's climate system because:

Accepted Answer

A) we have no way of measuring solar variability directly. 
B) satellites have not yet been around long enough to provide a data set of adequate length. 
C) most scientists now agree that solar output is constant and does not vary. 
D) it is not a legitimate enough theory to gain much attention from the scientific community. 
A) we have no way of measuring solar variability directly. 
B) satellites have not yet been around long enough to provide a data set of adequate length. 
C) most scientists now agree that solar output is constant and does not vary. 
D) it is not a legitimate enough theory to gain much attention from the scientific community.

Question 5

Volcanic eruptions can act as agents for climate change since they:

Accepted Answer

A) increase the numbers of cyclones. 
B) increase the amount of evaporation. 
C) cause small changes in the earth's tilt. 
D) reduce the solar energy at Earth's surface. 
E) release large amounts of heat. 
A) increase the numbers of cyclones. 
B) increase the amount of evaporation. 
C) cause small changes in the earth's tilt. 
D) reduce the solar energy at Earth's surface. 
E) release large amounts of heat.

Question 6

Stronger and more numerous hurricanes have been predicted as a possible result of global warming.

Accepted Answer

A) True 
 B)False

Question 7

Describe two examples of how the warmer temperatures due to increased CO₂ in the atmosphere may lead to positive feedback effects.

Accepted Answer

1.Warmer temperatures will result in mor

Question 8

List two ways in which humans likely caused climate changes before the time of the industrial revolution.

Accepted Answer

Overgrazin

Question 9

Sea floor sediments provide useful climate data because they contain:

Accepted Answer

A) evidence of plate tectonics. 
B) remains of living organisms. 
C) material from Earth's mantle. 
D) meteorite debris. 
A) evidence of plate tectonics. 
B) remains of living organisms. 
C) material from Earth's mantle. 
D) meteorite debris.

Question 10

The Milankovitch cycles cannot entirely explain recent global warming trends because:

Accepted Answer

A) they operate on a very long time scale and cannot address shorter term cycles. 
B) they were disproved in the 1980s. 
C) they address cycles in precipitation only. 
D) no data have been found to support their influence on Earth's climate. 
A) they operate on a very long time scale and cannot address shorter term cycles. 
B) they were disproved in the 1980s. 
C) they address cycles in precipitation only. 
D) no data have been found to support their influence on Earth's climate.

Question 11

The term anaerobic means:

Accepted Answer

A) highly acidic. 
B) without air (or oxygen). 
C) without motion. 
D) under extreme pressure. 
A) highly acidic. 
B) without air (or oxygen). 
C) without motion. 
D) under extreme pressure.

Question 12

Sulfur dioxide aerosols:

Accepted Answer

A) lower cloud albedo. 
B) are rarely emitted during volcanic eruptions. 
C) can serve as condensation nuclei. 
D) do not exist in reality. 
A) lower cloud albedo. 
B) are rarely emitted during volcanic eruptions. 
C) can serve as condensation nuclei. 
D) do not exist in reality.

Question 13

Which of the following is NOT a project effect of global warming for the coming century?

Accepted Answer

A) a decrease in the areas affected by drought 
B) increased risk of landslides and mudslides 
C) increased risk of avalanches 
D) increase in intense hurricane activity 
A) a decrease in the areas affected by drought 
B) increased risk of landslides and mudslides 
C) increased risk of avalanches 
D) increase in intense hurricane activity

Question 14

The length of time that a volcanic eruption impacts the climate is largely determined by:

Accepted Answer

A) the amount of water evaporated. 
B) how much ash is emitted. 
C) whether the ash or gas reaches the stratosphere. 
D) how much gas is emitted. 
E) the explosive force of the eruption. 
A) the amount of water evaporated. 
B) how much ash is emitted. 
C) whether the ash or gas reaches the stratosphere. 
D) how much gas is emitted. 
E) the explosive force of the eruption.

Question 15

Warming temperatures melt ice cover,exposing a darker surface that absorbs more solar radiation.In response,the air warms even further.This is an example of:

Accepted Answer

A) a stable-feedback mechanism. 
B) a negative feedback mechanism. 
C) a positive feedback mechanism. 
D) a variable-feedback mechanism. 
A) a stable-feedback mechanism. 
B) a negative feedback mechanism. 
C) a positive feedback mechanism. 
D) a variable-feedback mechanism.

Question 16

Newly formed glacial ice has ________ ¹⁸O during warm eras and ________ ¹⁸O during cold eras.

Accepted Answer

A) more;less 
B) less;more 
C) stable;variable 
D) variable;stable 
A) more;less 
B) less;more 
C) stable;variable 
D) variable;stable

Question 17

What is the current axial tilt of the earth?

Accepted Answer

A) 23.5 degrees 
B) 21.5 degrees 
C) 24 degrees 
D) 45 degrees 
A) 23.5 degrees 
B) 21.5 degrees 
C) 24 degrees 
D) 45 degrees

Question 18

Positive feedback processes are self limiting.

Accepted Answer

A) True 
 B)False

Question 19

The volcano that caused "the year without a summer" was:

Accepted Answer

A) Fuji. 
B) Mt.St.Helens. 
C) Tambora. 
D) Krakatoa. 
E) Mt.Pinatubo. 
A) Fuji. 
B) Mt.St.Helens. 
C) Tambora. 
D) Krakatoa. 
E) Mt.Pinatubo.

Question 20

The ________ the tilt of the earth,the smaller the temperature difference between summer and winter.

Accepted Answer

The answer of The ________ the tilt of the earth,the...

It is believed that the temperature rise caused by increased atmospheric carbon dioxide will be greater in the tropics than in the polar regions.

Recent studies based on the analysis of sea-floor sediments tend to support the astronomical theory.

Global warming will cause significant increases in sea level due to the thermal expansion of the ocean's waters.

We have not yet established the impact of solar variability on the Earth's climate system because:

Volcanic eruptions can act as agents for climate change since they:

Stronger and more numerous hurricanes have been predicted as a possible result of global warming.

Describe two examples of how the warmer temperatures due to increased CO₂ in the atmosphere may lead to positive feedback effects.

List two ways in which humans likely caused climate changes before the time of the industrial revolution.

Sea floor sediments provide useful climate data because they contain:

The Milankovitch cycles cannot entirely explain recent global warming trends because:

The term anaerobic means:

Sulfur dioxide aerosols:

Which of the following is NOT a project effect of global warming for the coming century?

The length of time that a volcanic eruption impacts the climate is largely determined by:

Warming temperatures melt ice cover,exposing a darker surface that absorbs more solar radiation.In response,the air warms even further.This is an example of:

Newly formed glacial ice has ¹⁸O during warm eras and ¹⁸O during cold eras.

What is the current axial tilt of the earth?

Positive feedback processes are self limiting.

The volcano that caused "the year without a summer" was:

The ________ the tilt of the earth,the smaller the temperature difference between summer and winter.

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 14: The Changing Climate

It is believed that the temperature rise caused by increased atmospheric carbon dioxide will be greater in the tropics than in the polar regions.

Recent studies based on the analysis of sea-floor sediments tend to support the astronomical theory.

Global warming will cause significant increases in sea level due to the thermal expansion of the ocean's waters.

We have not yet established the impact of solar variability on the Earth's climate system because:

Volcanic eruptions can act as agents for climate change since they:

Stronger and more numerous hurricanes have been predicted as a possible result of global warming.

Describe two examples of how the warmer temperatures due to increased CO₂ in the atmosphere may lead to positive feedback effects.

List two ways in which humans likely caused climate changes before the time of the industrial revolution.

Sea floor sediments provide useful climate data because they contain:

The Milankovitch cycles cannot entirely explain recent global warming trends because:

The term anaerobic means:

Sulfur dioxide aerosols:

Which of the following is NOT a project effect of global warming for the coming century?

The length of time that a volcanic eruption impacts the climate is largely determined by:

Warming temperatures melt ice cover,exposing a darker surface that absorbs more solar radiation.In response,the air warms even further.This is an example of:

Newly formed glacial ice has ________ ¹⁸O during warm eras and ________ ¹⁸O during cold eras.

What is the current axial tilt of the earth?

Positive feedback processes are self limiting.

The volcano that caused "the year without a summer" was:

The ________ the tilt of the earth,the smaller the temperature difference between summer and winter.

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

World Climates

Optical Phenomena of the Atmosphere

Filters

Newly formed glacial ice has ¹⁸O during warm eras and ¹⁸O during cold eras.