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What are the consequences of the greenhouse effect?
The temperature of the Earth is increasing. These higher
temperatures have several consequences.
Higher sea levels
:
the ice in the polar regions is melting. As a
result, the seas and oceans are receiving more water. How do you
think this affects coastal regions?
More extreme weather
:
in hot climate zones, extremely hot
weather causes violent storms.
Drought
:
little or no precipitation for a long time causes droughts.
As a result, there isn’t enough water for plants and animals to live.
Extinction
: sometimes plants and animals disappear or become
extinct. Why do you think this happens?
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2
Match the parts to make four sentences, and copy them into your notebook.
a)
the ozone layer
1.
... are gases that come from petroleum products.
b)
the greenhouse effect
2.
.... is a layer of waste gases around the Earth.
c)
waste gases
3.
... refers to solar radiation that is trapped in the Earth’s atmosphere.
3
Complete these sentences and draw two pictures.
Extinction of species can be caused by …
Sea levels become higher because ...
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8
Listen and write the consequence.
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T
h
i
n
k
!
Look at the pictures. Discuss these questions with a partner.
a)
How can we produce fewer waste gases?
I think that we could ...
b)
Why is it important to reduce waste gases?
This is important because ...
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QUIZ
Check your learning.
A
C T I V I T I E S
a
b
The Emperor penguin population is
getting smaller.