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WorksheetsNatural Climate Change
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Which of the following gases DOES NOT trap heat?
a)
carbon dioxide
b)
nitrogen
c)
water vapor
d)
methane
2.
Where have some of the strongest and earliest impacts of global warming occurred?
a)
in the tropics
b)
in the northern latitudes
c)
impacts of global warming are distributed equally all over the planet
3.
If you took away the atmosphere’s natural greenhouse effect, and everything else stayed the same, Earth’s temperature would be
a)
10-20°F warmer
b)
30-40°F warmer
c)
10-20°F cooler
d)
50-60°F cooler
4.
How do scientists collect evidence about climate?
a)
using remote sensing from space with satellites
b)
by ground-based measurements of surface temperatures, carbon dioxide concentration and sea level
c)
by collecting “proxy data” from tree rings, ice cores, and historical records
d)
all of the above
5.
Compared to other greenhouse gases, carbon dioxide is very effective in trapping heat near the surface of the Earth.
a)
true
b)
false
6.
Which of the following have been linked to climate change?
a)
droughts
b)
flooding
c)
melting of polar ice caps
d)
all of the above
7.
Which century was the wettest of the last millenium?
a)
12th
b)
16th
c)
19th
d)
20th
8.
Which species is threatened by the increased winter flow in streams due to global warming?
a)
striped bass
b)
atlantic mackerel
c)
crawfish
d)
salmon
9.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
10.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
11.
Which is a primary energy source used by power plants to generate electricity?
a)
coal
b)
wood
c)
gasoline
d)
batteries
12.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
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