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WorksheetsAPES Global Warming Review
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
In which layer of the atmosphere is all this global warming taking place?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
2.
Which layer of the atmosphere is immediately above the layer we are in right now?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
3.
Which type of energy do greenhouse gases (such as carbon dioxide) absorb?
a)
Ultraviolet energy
b)
Visible light
c)
Infrared energy
d)
Gamma rays
4.
Which of the following is NOT a major source of methane in our atmosphere?
a)
Livestock farming
b)
Decomposition in landfills
c)
Combustion of fossil fuels
d)
Rice farming
5.
Which of the following is NOT a greenhouse gas?
a)
Water vapor
b)
Sulfur dioxide
c)
Methane
d)
Nitrous oxide
6.
Which of the following is a major source of nitrous oxide?
a)
Fertilizer production
b)
Aerosol cans
c)
Off-gassing of benzene from gasoline
d)
Metal smelting
7.
What is the term used to describe substitutes for direct atmospheric measurement?
a)
Forcing components
b)
Coupled circulation models
c)
Proxy indicators
d)
Thermohaline circulation
8.
Which of the following is NOT a proxy indicator described by your textbook?
a)
Tree rings
b)
Ice cores
c)
Pollen
d)
Cloud density
9.
The changes to earth's climate driven by changes to earth's orbital patterns are known as...
a)
Southern Oscillations
b)
Stellar Incantations
c)
Milankovitch Cycles
d)
Elliptical Forcing
10.
Over the last century, global average temperate has increased by...
a)
1°C
b)
2°C
c)
3°C
d)
4°C
11.
What happens to the wavelength of any form of solar energy once it has been absorbed and re-radiated by the earth?
a)
Wavelength decreases
b)
Wavelength increases
c)
Wavelength remains constant
d)
The energy is converted into ultraviolet energy.
12.
Which gas is the largest anthropogenic contributor to global warming?
a)
CO2
b)
CH4
c)
CFCs
d)
N2O
13.
How does tropospheric ozone form?
a)
It is a primary pollutant from combustion.
b)
It is primarily released from landfills.
c)
A photolytic reaction with NOx.
d)
Anaerobic decomposition.
14.
For which forms of radiation is our atmosphere almost completely opaque?
a)
Visible light and radio waves
b)
Gamma rays and ultraviolet radiation
c)
X-rays and Visible light
d)
Radio waves and Microwaves
15.
Which of the following will have the least impact on global sea level rise?
a)
Arctic sea ice melting
b)
Antarctic land ice melting
c)
Greenland ice sheet melting
d)
Thermal expansion of the oceans.
16.
Which pair below imparts a negative forcing component on temperature?
a)
Tropospheric ozone and methane
b)
Particulates and increased ice cover.
c)
Carbon dioxide and exposed dark soil.
d)
Sulfate aerosols and black carbon (soot) on snow
17.
Does open water or ice have a higher albedo?
a)
Open water
b)
Ice
c)
Neither
d)
Both
18.
Why do carbon dioxide levels behave in the manner shown in the graph?
a)
CO2 levels increase in winter because more gasoline is burned.
b)
CO2 levels decrease in the winter because there is less photosynthesis.
c)
CO2 levels increase in summer because there is more decomposition.
d)
CO2 levels decrease in summer because there is more photosynthesis.
19.
How can tree rings be used to tell what the climate was like in the past?
a)
Pollen found within the rings are indicators of past plant life.
b)
Wider annual rings imply warmer, wetter years.
c)
Gas bubbles within the rings are records of past temperature.
d)
Wider annual rings indicate dry years.
20.
What do the bubbles in ice cores represent?
a)
Tiny samples of earth's atmosphere when the ice formed.
b)
Types of plants that lived in an area.
c)
The annual growth or shrinkage of a glacier.
d)
More bubbles are indicative of increased precipitation.
21.
How can O-18 and O-16 be used to determine the temperature of the early earth?
a)
During cold periods, O-16 will not be formed.
b)
Like a thermometer, O-18 will rise higher in the water during warm periods.
c)
During warm periods, there will be more O-18 in sedimentary rock than during cold periods.
d)
During warm periods, there will be more O-18 in the ice than during glacial periods.
22.
What is the primary cause of global sea-level rise?
a)
Sea ice melting
b)
Land ice melting
c)
Thermal expansion of the oceans
d)
Displacement due to volcanic activity at mid-ocean ridges.
23.
What is a predicted (and now observed) response of animal populations to global warming?
a)
Migration toward the equator.
b)
Migration to lower elevations.
c)
Migration toward the poles.
d)
Migration toward prevailing wind patterns.
24.
What is an impact of increased CO2 dissolving in the world's oceans?
a)
Increased temperature and increased shell-forming by mollusks.
b)
Increased eutrophication and decreased photosynthesis.
c)
Decreased pH and less reef building by coral.
d)
Increased pH and decreased turbidity
25.
Which of the following is a negative feedback caused by increased global temperatures?
a)
Decreased cloud cover which decreases atmospheric opacity.
b)
Decreased albedo that leads to greater radiation absorption by earth.
c)
Increased permafrost melting and increased methane production.
d)
Increased cloud cover which reflects more incoming solar radiation.
26.
Which of the following is a positive feedback caused by increased global temperatures?
a)
Melting ice which decreases salinity of global thermohaline circulation.
b)
Increased permafrost melting which increases methane production.
c)
Increased ice melting which increases the albedo of the earth.
d)
Increased ocean acidification which leads to decreased shell-forming by coral.
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