How Well Do You Know AGW Science?

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How much do you know about the science of global warming?

Questions and Answers

1.

According to the IPCC reports, the primary cause of the warming of the 20th century is:
- A.
  
  The destruction of the ozone layer
- B.
  
  Deforestation
- C.
  
  Increases in smoke and other airborne particles
- D.
  
  A strengthening of the greenhouse effect
Correct Answer
D. A strengthening of the greenhouse effect
2.

Greenhouse gasses work by interacting with electromagnetic radiation primarily in what wavelength band?
- A.
  
  Infrared
- B.
  
  Ultraviolet
- C.
  
  Visible
- D.
  
  Microwave
Correct Answer
A. Infrared
3.

The most significant greenhouse gas in Earth's atmosphere is:
- A.
  
  Carbon dioxide
- B.
  
  Methane
- C.
  
  CFC's
- D.
  
  Water vapor
Correct Answer
D. Water vapor
4.

How does adding sulfur particles into the upper atmosphere cause cooling?
- A.
  
  By destroying ozone molecules in the upper atmosphere, which reduces the stratospheric greenhouse effect
- B.
  
  By binding with carbon dioxide molecules to make them heavier and fall out of the sky
- C.
  
  By increasing the reflection of solar radiation
- D.
  
  All of the above
Correct Answer
C. By increasing the reflection of solar radiation
5.

In addition to melting land ice, what other major factor causes sea levels to rise?
- A.
  
  Increased precipitation into the oceans
- B.
  
  Carbon dioxide and other pollutants adding mass to the ocean
- C.
  
  Land rising due to decreased weight as the glaciers on them melt
- D.
  
  Thermal expansion: water expands in size as it warms
Correct Answer
D. Thermal expansion: water expands in size as it warms
6.

The first scientist to hypothesize that an increase in industrial CO2 emissions might increase the planet's temperature was:
- A.
  
  Max Planck
- B.
  
  Svante Arrhenius
- C.
  
  Milutin Milankovic
- D.
  
  Albert Arnold Gore
Correct Answer
B. Svante Arrhenius
7.

In addition to greenhouse gas concentrations, which of the following natural factors can influence global temperatures?
- A.
  
  El Nino / La Nina cycles
- B.
  
  Changes in solar irradiance
- C.
  
  Volcanic eruptions of sulfates
- D.
  
  All of the above
Correct Answer
D. All of the above
8.

The average amount of solar energy that the Earth receives per square meter of surface area is approximately:
- A.
  
  340 W
- B.
  
  1240 W
- C.
  
  13 TW
- D.
  
  34 W
Correct Answer
A. 340 W
9.

Which of the following statements are incorrect regarding carbon dioxide?
- A.
  
  It is essential for photosynthesis
- B.
  
  Current atmospheric concentrations are high enough to cause respiratory harm
- C.
  
  Dissolving carbon dioxide into aqueous solution forms carbonic acid and reduces pH
- D.
  
  Millions of years ago, carbon dioxide concentrations on Earth were much higher than today
Correct Answer
B. Current atmospheric concentrations are high enough to cause respiratory harm
10.

The hypothesis that global warming might cause temperatures in Europe and elsewhere to cool is based on:
- A.
  
  Increasing cloud cover immediately over Europe
- B.
  
  A decrease in land temperature due to increased grass-like vegetation
- C.
  
  Increasing air conditioning use in urban areas
- D.
  
  A shutdown of an Atlantic ocean current caused by an influx of fresh water from melted ice
Correct Answer
D. A shutdown of an Atlantic ocean current caused by an influx of fresh water from melted ice
11.

The net radiative forcing due to all human actions together is approximately:
- A.
  
  About twice that of CO2 alone, or 2.7 W / m^2
- B.
  
  Approximately equal to that of CO2 alone, or 1.6 W / m^2
- C.
  
  Slightly less than 0, at -0.6 W / m^2
- D.
  
  Significantly less than 0 at -3.9 W / m^2
Correct Answer
B. Approximately equal to that of CO2 alone, or 1.6 W / m^2
12.

According to a business as usual emissions scenario, climate models predict temperatures by 2100 to be approximately how much hotter than today?
- A.
  
  0.5 C
- B.
  
  3 C
- C.
  
  10 C
- D.
  
  16 C
Correct Answer
B. 3 C

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Current Version
Mar 21, 2022

Quiz Edited by
ProProfs Editorial Team
Jun 29, 2009

Quiz Created by
Agwquizguy

How Well Do You Know Agw Science?

According to the IPCC reports, the primary cause of the warming of the 20th century is:

Greenhouse gasses work by interacting with electromagnetic radiation primarily in what wavelength band?

The most significant greenhouse gas in Earth's atmosphere is:

How does adding sulfur particles into the upper atmosphere cause cooling?

In addition to melting land ice, what other major factor causes sea levels to rise?

The first scientist to hypothesize that an increase in industrial CO2 emissions might increase the planet's temperature was:

In addition to greenhouse gas concentrations, which of the following natural factors can influence global temperatures?

The average amount of solar energy that the Earth receives per square meter of surface area is approximately:

Which of the following statements are incorrect regarding carbon dioxide?

The hypothesis that global warming might cause temperatures in Europe and elsewhere to cool is based on:

The net radiative forcing due to all human actions together is approximately:

According to a business as usual emissions scenario, climate models predict temperatures by 2100 to be approximately how much hotter than today?