Question 1

Computer models used to predict global warming take into consideration:

Accepted Answer

A)  surface albedo 
B)  elevation 
C)  latitude 
D)  all of the above 
A)  surface albedo 
B)  elevation 
C)  latitude 
D)  all of the above D

Question 2

Rotation and orbit of the earth is responsible for the changes in the amount of solar energy reaching earth. True or false?

Accepted Answer

A) True 
 B)False  True

Question 3

Ocean water circulation is driven by:

Accepted Answer

A)  wind. 
B)  salinity. 
C)  temperature. 
D)  both B and C. 
A)  wind. 
B)  salinity. 
C)  temperature. 
D)  both B and C. D

Question 4

Computer models predict:

Accepted Answer

A)  the rate of warming will double over the next 30 years. 
B)  the rate of warming will decrease by half over the next 30 years. 
C)  the rate of warming will remain constant over the next 30 years. 
D)  the rate of warming will stop after 30 years. 
A)  the rate of warming will double over the next 30 years. 
B)  the rate of warming will decrease by half over the next 30 years. 
C)  the rate of warming will remain constant over the next 30 years. 
D)  the rate of warming will stop after 30 years.

Question 5

Increases in global temperature lead to increased carbon dioxide and methane in ocean water. True or false?

Accepted Answer

A) True 
 B)False

Question 6

What is the major natural cause of changes in global climate?

Accepted Answer

A)  volcanoes 
B)  variations in the Earth's orbit 
C)  variations in the strength of the sun's energy 
D)  glacial ice melt 
A)  volcanoes 
B)  variations in the Earth's orbit 
C)  variations in the strength of the sun's energy 
D)  glacial ice melt

Question 7

The largest factor that increases heat in the energy budget is:

Accepted Answer

A)  land use for agriculture. 
B)  increased greenhouse gases in the atmosphere. 
C)  increased cloud cover. 
D)  volcanic eruptions. 
A)  land use for agriculture. 
B)  increased greenhouse gases in the atmosphere. 
C)  increased cloud cover. 
D)  volcanic eruptions.

Question 8

Remote sensing images cannot distinguish between land, ice, and water by their temperature. True or False?

Accepted Answer

A) True 
 B)False

Question 9

Greenhouse gases include:

Accepted Answer

A)  carbon dioxide. 
B)  water vapor. 
C)  methane. 
D)  all of the above. 
A)  carbon dioxide. 
B)  water vapor. 
C)  methane. 
D)  all of the above.

Question 10

Which of the following is the IPCC responsible for?

Accepted Answer

A)  evaluating the prospects for future climate change 
B)  evaluating the potential social and economic impacts of climate change 
C)  evaluating the risk of climate change from human activities 
D)  all of the above 
A)  evaluating the prospects for future climate change 
B)  evaluating the potential social and economic impacts of climate change 
C)  evaluating the risk of climate change from human activities 
D)  all of the above

Question 11

What is the evidence that the Younger Dryas occurred?

Accepted Answer

A)  proxy temperature records from fossils 
B)  ice core samples from Greenland 
C)  temperature records from numerous monitoring stations 
D)  both A and B 
A)  proxy temperature records from fossils 
B)  ice core samples from Greenland 
C)  temperature records from numerous monitoring stations 
D)  both A and B

Question 12

Areas near the equator are warmer than areas near the poles because:

Accepted Answer

A)  they receive more sunlight per day. 
B)  they receive less sunlight per day. 
C)  they receive more direct and concentrated sunlight. 
D)  both A and C. 
A)  they receive more sunlight per day. 
B)  they receive less sunlight per day. 
C)  they receive more direct and concentrated sunlight. 
D)  both A and C.

Question 13

Tree ring data best mirrors actual temperature in a region that is:

Accepted Answer

A)  warm. 
B)  wet. 
C)  cool. 
D)  dry. 
A)  warm. 
B)  wet. 
C)  cool. 
D)  dry.

Question 14

Cooling in the upper atmosphere and in near-surface temperatures can be explained by:

Accepted Answer

A)  greenhouse effect. 
B)  increased albedo. 
C)  rise in sea-level. 
D)  increase in ocean temperatures. 
A)  greenhouse effect. 
B)  increased albedo. 
C)  rise in sea-level. 
D)  increase in ocean temperatures.

Question 15

Methane is released by:

Accepted Answer

A)  digestive processes of cows and sheep. 
B)  decaying garbage in landfills. 
C)  nuclear power plants. 
D)  both A and B. 
A)  digestive processes of cows and sheep. 
B)  decaying garbage in landfills. 
C)  nuclear power plants. 
D)  both A and B.

Question 16

Why is older climate data smoother when graphed than the present spikiness?

Accepted Answer

A)  Climate was unusually steady millions of years ago. 
B)  Each data point represents less years in the older data. 
C)  Each data point represents more years in the older data. 
D)  Both A and C 
A)  Climate was unusually steady millions of years ago. 
B)  Each data point represents less years in the older data. 
C)  Each data point represents more years in the older data. 
D)  Both A and C

Question 17

What is paleoclimatology?

Accepted Answer

A)  the recording and interpreting of current climate conditions 
B)  the recording and interpreting of past climate conditions 
C)  the recording and interpreting of current weather conditions for a specific location 
D)  the recording and interpreting of past weather conditions for a specific location 
A)  the recording and interpreting of current climate conditions 
B)  the recording and interpreting of past climate conditions 
C)  the recording and interpreting of current weather conditions for a specific location 
D)  the recording and interpreting of past weather conditions for a specific location

Question 18

Which provides a longer history of earth's temperatures?

Accepted Answer

A)  ice 
B)  rocks 
C)  both provide the same history 
D)  neither provides a history 
A)  ice 
B)  rocks 
C)  both provide the same history 
D)  neither provides a history

Question 19

Explain how paleoclimatologists can determine past temperatures through tree rings. (21.2)

Accepted Answer

Tree rings serve as a proxy through whic

Question 20

Briefly describe the energy budget and 3 factors that affect it. (21.3)

Accepted Answer

The energy budget is the balancing of in

Exam 21: Global Warming: Real Time Change in the Earth System

Computer models used to predict global warming take into consideration:

Rotation and orbit of the earth is responsible for the changes in the amount of solar energy reaching earth. True or false?

Ocean water circulation is driven by:

Computer models predict:

Increases in global temperature lead to increased carbon dioxide and methane in ocean water. True or false?

What is the major natural cause of changes in global climate?

The largest factor that increases heat in the energy budget is:

Remote sensing images cannot distinguish between land, ice, and water by their temperature. True or False?

Greenhouse gases include:

Which of the following is the IPCC responsible for?

What is the evidence that the Younger Dryas occurred?

Areas near the equator are warmer than areas near the poles because:

Tree ring data best mirrors actual temperature in a region that is:

Cooling in the upper atmosphere and in near-surface temperatures can be explained by:

Methane is released by:

Why is older climate data smoother when graphed than the present spikiness?

What is paleoclimatology?

Which provides a longer history of earth's temperatures?

Explain how paleoclimatologists can determine past temperatures through tree rings. (21.2)

Briefly describe the energy budget and 3 factors that affect it. (21.3)

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Formation of Metamorphic Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Soil Formation and Landscape Stability

Mass Movements: Landscapes in Motion

Streams: Flowing Water Shapes the Landscape

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Wind: a Global Geologic Process

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