How Well Do You Know Agw Science?
How much do you know about the science of global warming?
- 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
- 2.Greenhouse gasses work by interacting with electromagnetic radiation primarily in what wavelength band?
- A.
Infrared
- B.
Ultraviolet
- C.
Visible
- D.
Microwave
- 3.The most significant greenhouse gas in Earth's atmosphere is:
- A.
Carbon dioxide
- B.
Methane
- C.
CFC's
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
Questions: 20 | Attempts: 58190 | Last updated: Jul 7, 2021
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