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WorksheetsClimate Change
Total questions: 13
Worksheet time: 4mins
Name
Class
Date
1.
The sun's rays are least direct
a)
near the poles
b)
near the equator
c)
at high altitudes
d)
far from the ocean
2.
Which of the following has caused repeating 100,000-year cycles of ice ages in the past?
a)
an increase in sun spots
b)
several major volcanic eruptions
c)
changes in Earth's orbit and tilt of its axis
d)
continental drift
3.
Over the past 200 years, the level of carbon dioxide in the atmosphere has
a)
decreased slightly
b)
increased until recently, and then decreased
c)
increased steadily
d)
stayed about the same
4.
What does the term "anthropogenic" mean?
a)
something that is NOT caused by human activity
b)
a naturally occurring cause
c)
originating from human activity
d)
something that everyone should care about
5.
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
6.
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
7.
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
8.
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
9.
El Nino occurs when the tropical ocean waters are warmer in which ocean?
a)
Atlantic
b)
Indian
c)
Pacific
d)
Arctic
10.
Which of the following is a natural cause of long term climate change?
a)
Burning Fossil Fuels
b)
Milankovitch Cycles
c)
Deforestation
d)
All of them
11.
At the beginning of the Industrial Revolution global average CO2 levels were approx. ____. Now they are approx. ____
a)
0 ppm, 405 ppm
b)
125 ppm, 405 ppm
c)
280 ppm, 405 ppm
d)
405 ppm, 280 ppm
12.
Which of the following is the largest carbon sink ? (Note: this list does not include sedimentary rock -the largest of all)
a)
The Amazon
b)
The Oceans
c)
The Deserts
d)
The Forests
13.
Which season is shown in the northern hemisphere?
a)
winter
b)
spring
c)
summer
d)
fall
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