Презентація на тему «Greenhouse effect»
170
Слайд #1
GREENHOUSE EFFECT
1
1
Слайд #2
The greenhouse effect is when the temperature rises because the sun's
heat and light is trapped in the earth's atmosphere.
WHAT IS
GREENHOUSE
EFFECT?
2
heat and light is trapped in the earth's atmosphere.
WHAT IS
GREENHOUSE
EFFECT?
2
Слайд #3
WHAT ARE
GREENHOUSE
GASES?
Greenhouse gases are gases in the
Earth's atmosphere that collect heat
and light from the sun.
3
СO2
CH4
NO2
CFC
GREENHOUSE
GASES?
Greenhouse gases are gases in the
Earth's atmosphere that collect heat
and light from the sun.
3
СO2
CH4
NO2
CFC
Слайд #4
Solar radiation passes through the clear
atmosphere.
Most radiation is absorbed by the Earth's
surface and warms it.
4
atmosphere.
Most radiation is absorbed by the Earth's
surface and warms it.
4
Слайд #5
If there gets to be too many gases,
the earth can get unusually warmer and many plants, animals and people
will die.
What is global
warming doing
to the
environment?
5
the earth can get unusually warmer and many plants, animals and people
will die.
What is global
warming doing
to the
environment?
5
Слайд #6
Without greenhouse effect the earth
would be freezing or ,on the other
hand ,it would be burning hot.
6
would be freezing or ,on the other
hand ,it would be burning hot.
6
Слайд #7
Global warning make the sea level become
higher.
Water covers many low land islands.
Animals lose a source of food in their
habitat. They die.
7
higher.
Water covers many low land islands.
Animals lose a source of food in their
habitat. They die.
7
Слайд #8
Global warning destroy forests, kill animals .
In the forests some plant and tree leaves
can be so dry that they catch on fire.
8
In the forests some plant and tree leaves
can be so dry that they catch on fire.
8
Слайд #9
What Causes of
Global
Warming?
Electrical pollution
Using a hair
dryer
Using an air
conditioner
Heating a meal in
the microwave
Using a washing
machine
Electrical nets
9
Global
Warming?
Electrical pollution
Using a hair
dryer
Using an air
conditioner
Heating a meal in
the microwave
Using a washing
machine
Electrical nets
9
Слайд #10
Using sprays
Watching TV
Listening to CDs
Playing computer games
10
Watching TV
Listening to CDs
Playing computer games
10
Слайд #11
Water and Oil
10
10
Слайд #12
What Must We
Do to Stop
Global Warming?
1.Recycle
2.Plant trees
3.Turn off television,
computers and
lights when we
leave home
4.Walk instead of driving a car
11
Do to Stop
Global Warming?
1.Recycle
2.Plant trees
3.Turn off television,
computers and
lights when we
leave home
4.Walk instead of driving a car
11
Слайд #13
11
