Question 1

The Milankovitch Theory proposes that climatic changes are due to ____.

Accepted Answer

A)  variations in the earth's orbit as it travels around the sun 
B)  volcanic eruptions 
C)  changing levels of CO2 in the earth's atmosphere 
D)  particles suspended in the earth's atmosphere 
A)  variations in the earth's orbit as it travels around the sun 
B)  volcanic eruptions 
C)  changing levels of CO2 in the earth's atmosphere 
D)  particles suspended in the earth's atmosphere A

Question 2

The Milankovitch cycles in association with other natural factors explain how glaciers may advance and retreat over periods of ____.

Accepted Answer

A)  hundreds of millions of years 
B)  several million years 
C)  hundreds of thousands of years 
D)  ten thousand to one hundred thousand years 
A)  hundreds of millions of years 
B)  several million years 
C)  hundreds of thousands of years 
D)  ten thousand to one hundred thousand years D

Question 3

Large volcanic eruptions with an ash veil that enters the stratosphere, tend to ____ at the surface.

Accepted Answer

A)  increase temperatures 
B)  increase precipitation 
C)  decrease temperatures 
D)  have no effect 
A)  increase temperatures 
B)  increase precipitation 
C)  decrease temperatures 
D)  have no effect C

Question 4

The CLIMAP project was able to reconstruct the earth's ocean surface temperature in the past by examining ____.

Accepted Answer

A)  deep ocean water 
B)  rock layers on land 
C)  thousands of feet of sediment at the bottom of the ocean 
D)  soils deposited over the North American continent 
A)  deep ocean water 
B)  rock layers on land 
C)  thousands of feet of sediment at the bottom of the ocean 
D)  soils deposited over the North American continent

Question 5

The "year without a summer" occurred in ____.

Accepted Answer

A)  1950 
B)  1816 
C)  1735 
D)  1681 
A)  1950 
B)  1816 
C)  1735 
D)  1681

Question 6

Throughout much of the earth's history, the global climate was probably ____.

Accepted Answer

A)  warmer than it is today 
B)  colder than it is today 
C)  about the same temperature as it is today 
D)  more variable than it is today 
A)  warmer than it is today 
B)  colder than it is today 
C)  about the same temperature as it is today 
D)  more variable than it is today

Question 7

The Milankovitch theory suggests that climates changes on the earth could be caused by changes in ____.

Accepted Answer

A)  the shape of the earth's orbit around the sun 
B)  the direction of tilt of the earth's axis 
C)  the amount of tilt of the earth's axis 
D)  all of these 
A)  the shape of the earth's orbit around the sun 
B)  the direction of tilt of the earth's axis 
C)  the amount of tilt of the earth's axis 
D)  all of these

Question 8

The "year without a summer" may have been caused by ____.

Accepted Answer

A)  soot from coal fires 
B)  particulate matter and gases from volcanoes 
C)  a dust cloud produced when a meteorite collided with the earth 
D)  deforestation 
A)  soot from coal fires 
B)  particulate matter and gases from volcanoes 
C)  a dust cloud produced when a meteorite collided with the earth 
D)  deforestation

Question 9

Studies reveal that during colder glacial periods, CO2 levels ____ during warmer interglacial periods.

Accepted Answer

A)  were higher than 
B)  were lower than 
C)  were about the same as 
D)  were more variable than 
A)  were higher than 
B)  were lower than 
C)  were about the same as 
D)  were more variable than

Question 10

A high concentration of oxygen 16 found in the ice caves of Antarctica and Greenland would indicate ____ at the time the ice was formed.

Accepted Answer

A)  cold air temperatures 
B)  mild winters 
C)  intense ultraviolet radiation 
D)  the caves were under the ocean 
A)  cold air temperatures 
B)  mild winters 
C)  intense ultraviolet radiation 
D)  the caves were under the ocean

Question 11

Discuss why it is so difficult to prove that the earth's present warming trend is due entirely to increasing concentrations of greenhouse gases?

Accepted Answer

The interactions between the earth and i

Question 12

It now appears that if global temperatures continue to rise, the oceans ____.

Accepted Answer

A)  will increase the amount of CO2 in the atmosphere 
B)  will reduce the amount of CO2 in the atmosphere 
C)  could increase or reduce the amount of CO2 in the atmosphere 
D)  will have no effect on atmospheric CO2 concentrations 
A)  will increase the amount of CO2 in the atmosphere 
B)  will reduce the amount of CO2 in the atmosphere 
C)  could increase or reduce the amount of CO2 in the atmosphere 
D)  will have no effect on atmospheric CO2 concentrations

Question 13

Climate models predict that if average global temperatures rise, both global precipitation and drought will ____.

Accepted Answer

A)  increase 
B)  decrease 
C)  remain the same 
D)  vary from year to year 
A)  increase 
B)  decrease 
C)  remain the same 
D)  vary from year to year

Question 14

Instructions: Choose one answer from each pair of selections. The nuclear winter scenario envisions an upper level layer of strongly REFLECTING | ABSORBING soot particles which would cause the ground to cool by reducing the amount of sunlight able to reach the ground.

Accepted Answer

The answer of Instructions: Choose one answer from each pair...

Question 15

Recent evidence suggests that the variations in the earth's orbit around the sun proposed by Milankovitch actually have very little effect on the earth's climate.

Accepted Answer

A) True 
 B)False

Question 16

Instructions: Choose one answer from each pair of selections. Sulfate aerosols are good REFLECTORS | ABSORBERS of sunlight and their effect on climate has been studied extensively in recent years.

Accepted Answer

The answer of Instructions: Choose one answer from each pair...

Question 17

During the Little Ice Age, ____.

Accepted Answer

A)  the climatic optimum occurred 
B)  sea level lowered by about 280 ft 
C)  alpine glaciers grew in size and advanced 
D)  continental glaciers covered large portions of North America 
A)  the climatic optimum occurred 
B)  sea level lowered by about 280 ft 
C)  alpine glaciers grew in size and advanced 
D)  continental glaciers covered large portions of North America

Question 18

How can the oxygen-isotope ratio of the remains of calcium carbonate shells of organisms found in ocean sediment provide information about past sequences of glacier advances and retreats?

Accepted Answer

Because certain organisms that once live

Question 19

A positive feedback mechanism ____.

Accepted Answer

A)  acts to reinforce an initial change 
B)  acts to weaken or oppose an initial change 
C)  will cause a positive change 
D)  will cause a negative change 
A)  acts to reinforce an initial change 
B)  acts to weaken or oppose an initial change 
C)  will cause a positive change 
D)  will cause a negative change

Question 20

The Maunder Minimum refers to a time when ____.

Accepted Answer

A)  the tilt of the earth's axis was less than it is now 
B)  there were fewer sunspots 
C)  the earth was closer to the sun than it is now 
D)  few snowstorms occurred over the United States 
A)  the tilt of the earth's axis was less than it is now 
B)  there were fewer sunspots 
C)  the earth was closer to the sun than it is now 
D)  few snowstorms occurred over the United States

The Milankovitch Theory proposes that climatic changes are due to ____.

The Milankovitch cycles in association with other natural factors explain how glaciers may advance and retreat over periods of ____.

Large volcanic eruptions with an ash veil that enters the stratosphere, tend to ____ at the surface.

The CLIMAP project was able to reconstruct the earth's ocean surface temperature in the past by examining ____.

The "year without a summer" occurred in ____.

Throughout much of the earth's history, the global climate was probably ____.

The Milankovitch theory suggests that climates changes on the earth could be caused by changes in ____.

The "year without a summer" may have been caused by ____.

Studies reveal that during colder glacial periods, CO₂ levels ____ during warmer interglacial periods.

A high concentration of oxygen 16 found in the ice caves of Antarctica and Greenland would indicate ____ at the time the ice was formed.

Discuss why it is so difficult to prove that the earth's present warming trend is due entirely to increasing concentrations of greenhouse gases?

It now appears that if global temperatures continue to rise, the oceans ____.

Climate models predict that if average global temperatures rise, both global precipitation and drought will ____.

Instructions: Choose one answer from each pair of selections. The nuclear winter scenario envisions an upper level layer of strongly REFLECTING | ABSORBING soot particles which would cause the ground to cool by reducing the amount of sunlight able to reach the ground.

Recent evidence suggests that the variations in the earth's orbit around the sun proposed by Milankovitch actually have very little effect on the earth's climate.

Instructions: Choose one answer from each pair of selections. Sulfate aerosols are good REFLECTORS | ABSORBERS of sunlight and their effect on climate has been studied extensively in recent years.

During the Little Ice Age, ____.

How can the oxygen-isotope ratio of the remains of calcium carbonate shells of organisms found in ocean sediment provide information about past sequences of glacier advances and retreats?

A positive feedback mechanism ____.

The Maunder Minimum refers to a time when ____.

The Earths Atmosphere

Warming the Earth and the Atmosphere

Air Temperature

Humidity, Condensation and Clouds

Cloud Development and Precipitation

Air Pressure and Winds

Atmospheric Circulations

Air Masses, Fronts, and Middle Latitude Cyclones

Weather Forecasting

Thunderstorms and Tornadoes

Hurricanes

Climate Change

Air Pollution

Light, Color, and Atmospheric Optics

Filters

Exam 13: Global Climate

The Milankovitch Theory proposes that climatic changes are due to ____.

The Milankovitch cycles in association with other natural factors explain how glaciers may advance and retreat over periods of ____.

Large volcanic eruptions with an ash veil that enters the stratosphere, tend to ____ at the surface.

The CLIMAP project was able to reconstruct the earth's ocean surface temperature in the past by examining ____.

The "year without a summer" occurred in ____.

Throughout much of the earth's history, the global climate was probably ____.

The Milankovitch theory suggests that climates changes on the earth could be caused by changes in ____.

The "year without a summer" may have been caused by ____.

Studies reveal that during colder glacial periods, CO2 levels ____ during warmer interglacial periods.

A high concentration of oxygen 16 found in the ice caves of Antarctica and Greenland would indicate ____ at the time the ice was formed.

Discuss why it is so difficult to prove that the earth's present warming trend is due entirely to increasing concentrations of greenhouse gases?

It now appears that if global temperatures continue to rise, the oceans ____.

Climate models predict that if average global temperatures rise, both global precipitation and drought will ____.

Instructions: Choose one answer from each pair of selections. The nuclear winter scenario envisions an upper level layer of strongly REFLECTING | ABSORBING soot particles which would cause the ground to cool by reducing the amount of sunlight able to reach the ground.

Recent evidence suggests that the variations in the earth's orbit around the sun proposed by Milankovitch actually have very little effect on the earth's climate.

Instructions: Choose one answer from each pair of selections. Sulfate aerosols are good REFLECTORS | ABSORBERS of sunlight and their effect on climate has been studied extensively in recent years.

During the Little Ice Age, ____.

How can the oxygen-isotope ratio of the remains of calcium carbonate shells of organisms found in ocean sediment provide information about past sequences of glacier advances and retreats?

A positive feedback mechanism ____.

The Maunder Minimum refers to a time when ____.

The Earths Atmosphere

Warming the Earth and the Atmosphere

Air Temperature

Humidity, Condensation and Clouds

Cloud Development and Precipitation

Air Pressure and Winds

Atmospheric Circulations

Air Masses, Fronts, and Middle Latitude Cyclones

Weather Forecasting

Thunderstorms and Tornadoes

Hurricanes

Climate Change

Air Pollution

Light, Color, and Atmospheric Optics

Filters

Studies reveal that during colder glacial periods, CO₂ levels ____ during warmer interglacial periods.