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Greenhouse Effect Quiz
Write on test—Use process of elimination
1. Which of the following gases are greenhouse gases?
A Carbon dioxide and methane
B Oxygen and nitrogen
C Carbon dioxide and oxygen
D Methane and nitrogen
2. Which of the following statements is NOT a possible result of global warming?
A The melting of the world's ice cover
B Rising sea levels
C Increased occurrence of flooding
D Increased occurrences of extreme weather conditions such as drought and hurricanes
E Increased acidic levels in rainfall
3. The Greenhouse Effect is caused primarily by:
A ozone-destroying aerosol sprays
B carbon dioxide
C water vapour
D sulphur
4 What are greenhouse gases?
A gases that harm the Earth
B gases that humans exhale when they breathe
C gases that help the Earth stay cool despite the sun’s rays
D gases that trap some of the energy leaving the Earth’s surface
5 The greenhouse effect is a natural phenomenon that keeps the Earth's surface warm. Without
greenhouse gases—water vapor, carbon dioxide, methane, nitrous oxide, halocarbons, and ozone—life as
we know it wouldn't exist. The current problem is
A that the quantities of water vapor and methane in the atmosphere are decreasing.
B that scientists cannot agree on a general model of how the greenhouse effect went from being a
positive to a negative and life-threatening force.
C that global warming actually benefits 90% of the world population so it is difficult to mobilize the will to
address the anthropogenic (man-made) causes of climate change.
D that it is difficult to distinguish between climate change and global warming.
E that the atmospheric concentration of greenhouse gases have reached their highest level in 400,000
years.
6. What proportion of UV radiation is absorbed by ozone in the atmosphere?
A 10%
B 25%
C 50%
D 100%
7. Recent evidence from polar ice core analysis
A temperatures have fluctuated in the past, without human interference
B temperatures have stayed constant throughout time
C temperatures fluctuate based on a 100 year cycle
D temperatures have only decreased since the Industrial Revolution
SHORT ANSWERS (15 pts)
8. A source of methane gas is______________________________
9. A source of carbon dioxide is________________________________
10. A source of water vapour is_________________________________
11. A source of nitrous oxide is___________________________________
(4pts) 12. Some believe that global warming is caused by human effects, while other believe it is a natural
process. Give 2 pieces of evidence for EACH side.
(3 pts) 13. Give 3 interpretations of this graph
(2 pts) 14) Explain this diagram.
(2 pts) 15) What can YOU personally do to reduce the greenhouse effect?
KEY
1A, 2E, 3C, 4D, 5E, 6B 7A