English Across The Curriculum
The Atmosphere - Exercises
Match
2
the
Words
with the definitions
A
carbon dioxide
D
the power that makes things fall down to
earth
B
decrease
H
when a liquid changes slowly into gas
C
helium
F
a line of light
D
gravity
J
part of the atmosphere with very strong winds
E
methane
C
gas that is very light and used for balloons
F
ray
M
to send out into the atmosphere
G
equator
O
to eat grass in fields
H
evaporate
A
gas that is produced when we breathe out
I
extend
P
to make air or water dirty so that we cannot
use it
J
jet stream
L
to crash into each other
K
block
Q
to keep inside, not to let something out
L
collide
G
line around the middle of the earth that divides it into two halves
M
emit
B
to go down
N
fossil fuel
I
to go from one place to another
O
graze
N
energy like coal or oil that is produced by
dead animals and plants in millions of years
P
pollute
K
to keep out
Q
trap
E
gas that can be burned to make heat
English Across The Curriculum
The Atmosphere - Exercises
3True
or
False ?
T
Without the ozone layer dangerous sunlight would reach the earth’s surface.
F

77 % of the earth’s atmosphere is made up of oxygen.

The weight of the atmosphere is the same everywhere.

Methane rises into the atmosphere from plants and animals.

The atmosphere is kept near the earth because of gravity.


The troposphere is bigger near the poles.
In the troposphere winds get stronger when you move higher up.

Temperatures go down in all parts of the atmosphere .

The stratsophere extends to about 80 km above the earth’s surface

CFCs come from the sun and endanger our atmosphere

Fossil fuels produce carbon dioxide.

Acid rain has poisonous gases like sulphur and nitrogen in it.

When a volcano erupts sunlight can be blocked out for many years.


Rockets can only travel up to the stratosphere.
In higher parts of the atmosphere you can find helium and hydrogen.
All of the gases in the atmosphere are produced by people.


English Across The Curriculum
The Atmosphere - Exercises
4
Match
•
•
•
•
•
•
•
•
•
5
a part from
A,B
and
C
to form complete sentences
The atmosphere filters sunlight and keeps dangerous rays from reaching our planet.
Without an atmosphere it would not be possible to live on earth.
Carbon dioxide is present in small amounts but it is very important.
Air is heaviest at sea level because the molecules are pressed together.
The troposphere is a part of the atmosphere that we know best.
At the top of the troposphere winds reach speeds of 300 km an hour.
In the mesosphere the air becomes thinner and the temperatures drop.
In the exosphere molecules are very far from each other.
In the past centuries people have caused great changes in the atmosphere.
Crossword
1
4
5
H
S U
2
T R O P O S
T
Y D R O G E
A
6
L P H E R D
S
Y
7
C F C
A
10
11
P L E
Z O N E
M
I
T E L L I T
3
P H E R E
A
N
Y
I O X I
D E
8
N
I
A S A N T
12
O
R
13
F L O A
14
S A
E
G
E
15
D E F O R E S T A T I O N
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9
O
R
B
I
T
!