WorksheetsChapter 35- Antarctica and Global Warming
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Antarctica is known for
a)
being the coldest continent on Earth.
b)
having no form of plant or animal life.
c)
being the same temperature year-round.
d)
all of the above
2.
What do many scientists believe relates to global warming?
a)
Earth's solar energy
b)
a lot of precipitation
c)
the increase in snow
d)
the greenhouse effect
3.
Researchers go to Antarctica to study global warming. Global warming is
a)
the entrapment of Earth's gas by the atmosphere.
b)
the pattern of weather over a long period of time.
c)
a slow increase in Earth's surface temperature.
d)
a layer of carbon dioxide that surrounds Earth.
4.
Why does Antarctica get so cold?
a)
Its icebergs prevent it from getting very warm.
b)
It is the farthest continent from the equator.
c)
The sun rises extremely high above the horizon.
d)
It receives a large amounts of rain every year.
5.
A large ecosystem such as a forest or wetland is called
a)
an ice shelf.
b)
a glacier
c)
a biome.
d)
a census.
6.
Which of the following is a theory on global warming?
a)
Earth's climate is getting warmer.
b)
It is caused by human activity.
c)
It is harmful to people and biomes.
d)
all of the above
7.
Seven countries that claimed Antarctica signed the Antarctic Treaty in 1959. This treaty made it so Antarctica was
a)
A. divided equally among the nations.
b)
B. used only for natural resources.
c)
C. owned by the China and England.
d)
D. reserved for peaceful activities.
8.
What happens to Antarctica's small amount of solar energy?
a)
A. It disperses into the atmosphere.
b)
B. It is reflected back into space.
c)
C. It travels through its ecosystem.
d)
D. It is absorbed by its glaciers.
9.
What is the name of the natural process that keeps Earth warm?
a)
A. the greenhouse effect
b)
B. the solar energy effect
c)
C. the precipitation process
d)
D. the ecosystem process
10.
Scientists who support the global warming theory use ______ as their evidence.
a)
A. glacier records
b)
B. climate records
c)
C. greenhouse gas levels
d)
D. all of the above
11.
The levels of greenhouse gases in the atmosphere are rising due mostly to people
a)
A. burning fossil fuels.
b)
B. hunting too frequently.
c)
C. melting glaciers for land.
d)
D. using lots of solar energy.
12.
Scientists who support the global warming theory believe that
a)
A. ocean levels may decrease extremely quickly.
b)
B. common crop failures could lead to hunger.
c)
C. animals will not adapt to the cold conditions.
d)
D. glaciers may grow to be dangerously large.
13.
Some scientists who doubt the global warming theory argue that Earth is warming due to
a)
A. the ecosystem.
b)
B. natural causes.
c)
C. automobiles.
d)
D. electricity use.
14.
What do ice shelves form when their edges break off?
a)
A. glaciers
b)
B. icebergs
c)
C. fossils
d)
D. ice streams
15.
Scientists who doubt the global warming theory argue that increasing surface temperatures come from
a)
A. only the country and dry areas.
b)
B. only cities and urban areas.
c)
C. incorrect mathematical data.
d)
D. all of the above
16.
What can scientists learn from drilling into glaciers in Antarctica?
a)
A. Antarctica's sea level increase
b)
B. Antarctica's plant population
c)
C. Antarctica's natural resources
d)
D. Antarctica's climate each year
17.
When researches count the number of penguins in a certain location, it is called
a)
A. a nomad.
b)
B. a census.
c)
C. per capita.
d)
D. a reserve.
18.
Who will be most affected by rising sea levels?
a)
A. low and flat countries
b)
B. very technical countries
c)
C. poor and rural countries
d)
D. tall and rocky countries
19.
Which of the following is true about Antarctica?
a)
A. Air temperatures are rising in some areas.
b)
B. Air temperatures are falling in some areas.
c)
C. Certain species of penguins are increasing.
d)
D. all of the above
20.
Global warming could affect the Adelie penguins because an increase in snowfall would
a)
A. make it more difficult for them to swim.
b)
B. ruin the bare spots they need for nesting.
c)
C. make them breed and become overpopulated.
d)
D. destroy the only type of plant that they eat.
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