Question 1

Coral reefs have been diminishing in recent years because:

Accepted Answer

A)  increased CO2 in ocean water 
B)  decreased CO2 in ocean water 
C)  increased methane in ocean water 
D)  decreased methane in ocean water 
A)  increased CO2 in ocean water 
B)  decreased CO2 in ocean water 
C)  increased methane in ocean water 
D)  decreased methane in ocean water

Question 2

According to computer models, by the year 2100, scientists predict a temperature change of:

Accepted Answer

A)  +1.5° - 4° C 
B)  + 4° - 6° C 
C)  -1.5° - 4° C 
D)  -4° - 6° C 
A)  +1.5° - 4° C 
B)  + 4° - 6° C 
C)  -1.5° - 4° C 
D)  -4° - 6° C

Question 3

Which two gases account for more than 90% of changes in the greenhouse effect?

Accepted Answer

A)  methane and carbon dioxide 
B)  methane and nitrogen 
C)  carbon dioxide and water 
D)  carbon dioxide and nitrogen 
A)  methane and carbon dioxide 
B)  methane and nitrogen 
C)  carbon dioxide and water 
D)  carbon dioxide and nitrogen

Question 4

What are the effects of a volcanic eruption on atmosphere composition? (21.4)

Accepted Answer

Volcanic ash from the eruption creates a

Question 5

Computer models for the time between 1900 and 1970 can explain warming:

Accepted Answer

A)  mostly natural causes 
B)  mostly man-made causes 
C)  there was no warming in that time frame 
D)  both man-made and natural causes were equally important 
A)  mostly natural causes 
B)  mostly man-made causes 
C)  there was no warming in that time frame 
D)  both man-made and natural causes were equally important

Question 6

How do computer models show temperature changes? (21.5)

Accepted Answer

The energy budget calculations need to b

Question 7

Describe the conveyor belt-like pattern of ocean circulation that occurs in the Atlantic Ocean. (21.4)

Accepted Answer

The water at the equator is warmed at th

Question 8

Give 3 examples of evidence of global warming and explain how each points to overall temperature increases. (21.1)

Accepted Answer

Local and global temperature records sho

Question 9

The world is generally cooler during El Niños and warmer during La Niñas. True or false?

Accepted Answer

A) True 
 B)False

Question 10

Why do volcanic eruptions cause cooling for the weeks/months following the eruption?

Accepted Answer

A)  increased sulfur in the atmosphere reflect energy from the sun 
B)  volcanic ash acts as a shield to block the sun's energy from reaching earth 
C)  carbon dioxide is emitted during the eruption 
D)  both A and B 
A)  increased sulfur in the atmosphere reflect energy from the sun 
B)  volcanic ash acts as a shield to block the sun's energy from reaching earth 
C)  carbon dioxide is emitted during the eruption 
D)  both A and B

Question 11

Fossils fuels that have not been extracted do not have any significant affect global warming. True or false?

Accepted Answer

A) True 
 B)False

Question 12

Computer models cannot accurately predict future interactions relating to Earth's temperature and greenhouse gas emissions, therefore making them uncertain. True or false?

Accepted Answer

A) True 
 B)False

Question 13

Nitrogen and oxygen in the atmosphere absorb significant amount of the sun's radiation, therefore contributing to the greenhouse effect. True or false?

Accepted Answer

A) True 
 B)False

Question 14

In ocean circulation patterns, water leaving the equator and moving north is saltier due to:

Accepted Answer

A)  evaporation. 
B)  precipitation increase. 
C)  high density. 
D)  both B and C. 
A)  evaporation. 
B)  precipitation increase. 
C)  high density. 
D)  both B and C.

Question 15

Variations in Earth's orbit and rotation cause:

Accepted Answer

A)  consistently higher global temperatures. 
B)  consistently lower global temperatures. 
C)  no change in solar energy reaching Earth. 
D)  changes in solar energy reaching Earth. 
A)  consistently higher global temperatures. 
B)  consistently lower global temperatures. 
C)  no change in solar energy reaching Earth. 
D)  changes in solar energy reaching Earth.

Question 16

What is the quaternary period?

Accepted Answer

A)  the period when Earth began. 
B)  the last geologic era. 
C)  the first geologic era. 
D)  the present geologic era. 
A)  the period when Earth began. 
B)  the last geologic era. 
C)  the first geologic era. 
D)  the present geologic era.

Question 17

The longest records of Quaternary climate change come from studies of glacial ice in:

Accepted Answer

A)  Greenland and Antarctica. 
B)  Northern Canada. 
C)  Siberia. 
D)  Alaska. 
A)  Greenland and Antarctica. 
B)  Northern Canada. 
C)  Siberia. 
D)  Alaska.

Question 18

The greenhouse effect relates to radiation that is:

Accepted Answer

A)  being emitted from the sun. 
B)  being emitted from the surface of the earth. 
C)  being reflected from the surface of the earth. 
D)  both A and C. 
A)  being emitted from the sun. 
B)  being emitted from the surface of the earth. 
C)  being reflected from the surface of the earth. 
D)  both A and C.

Question 19

If increases in solar energy were causing global warming, the upper atmosphere would be:

Accepted Answer

A)  cooler than the lower atmosphere. 
B)  slightly warmer than the lower atmosphere. 
C)  significantly warmer than the lower atmosphere. 
D)  the same temperature as the lower atmosphere. 
A)  cooler than the lower atmosphere. 
B)  slightly warmer than the lower atmosphere. 
C)  significantly warmer than the lower atmosphere. 
D)  the same temperature as the lower atmosphere.

Coral reefs have been diminishing in recent years because:

According to computer models, by the year 2100, scientists predict a temperature change of:

Which two gases account for more than 90% of changes in the greenhouse effect?

What are the effects of a volcanic eruption on atmosphere composition? (21.4)

Computer models for the time between 1900 and 1970 can explain warming:

How do computer models show temperature changes? (21.5)

Describe the conveyor belt-like pattern of ocean circulation that occurs in the Atlantic Ocean. (21.4)

Give 3 examples of evidence of global warming and explain how each points to overall temperature increases. (21.1)

The world is generally cooler during El Niños and warmer during La Niñas. True or false?

Why do volcanic eruptions cause cooling for the weeks/months following the eruption?

Fossils fuels that have not been extracted do not have any significant affect global warming. True or false?

Computer models cannot accurately predict future interactions relating to Earth's temperature and greenhouse gas emissions, therefore making them uncertain. True or false?

Nitrogen and oxygen in the atmosphere absorb significant amount of the sun's radiation, therefore contributing to the greenhouse effect. True or false?

In ocean circulation patterns, water leaving the equator and moving north is saltier due to:

Variations in Earth's orbit and rotation cause:

What is the quaternary period?

The longest records of Quaternary climate change come from studies of glacial ice in:

The greenhouse effect relates to radiation that is:

If increases in solar energy were causing global warming, the upper atmosphere would be:

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

Filters

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

Coral reefs have been diminishing in recent years because:

According to computer models, by the year 2100, scientists predict a temperature change of:

Which two gases account for more than 90% of changes in the greenhouse effect?

What are the effects of a volcanic eruption on atmosphere composition? (21.4)

Computer models for the time between 1900 and 1970 can explain warming:

How do computer models show temperature changes? (21.5)

Describe the conveyor belt-like pattern of ocean circulation that occurs in the Atlantic Ocean. (21.4)

Give 3 examples of evidence of global warming and explain how each points to overall temperature increases. (21.1)

The world is generally cooler during El Niños and warmer during La Niñas. True or false?

Why do volcanic eruptions cause cooling for the weeks/months following the eruption?

Fossils fuels that have not been extracted do not have any significant affect global warming. True or false?

Computer models cannot accurately predict future interactions relating to Earth's temperature and greenhouse gas emissions, therefore making them uncertain. True or false?

Nitrogen and oxygen in the atmosphere absorb significant amount of the sun's radiation, therefore contributing to the greenhouse effect. True or false?

In ocean circulation patterns, water leaving the equator and moving north is saltier due to:

Variations in Earth's orbit and rotation cause:

What is the quaternary period?

The longest records of Quaternary climate change come from studies of glacial ice in:

The greenhouse effect relates to radiation that is:

If increases in solar energy were causing global warming, the upper atmosphere would be:

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

Filters