Giáo án lớp 12- bài 5

Check the old lesson
Wordsquare
Find all the words you have learned in unit 4 in the wordsquare.
key
Look at these pictures and answer some teacher’s questions
What is it?
What problem are these pictures related to?
UNIT 5: AIR POLLUTION
I- Vocabulary
. Engine exhaust (n): chất thải động cơ
. Industrial smoke (n): khói công nghiệp
. Garbage disposal (n): sự xả rác
. Vocalno (n): núi lửa
. Dust (n): bụi
. Lightning (n): tia chớp
* Check the vocabulary: Matching
UNIT 5: AIR POLLUTION
II- True - False predictions
Clearn air is very good for our health.
Air pollution is the most serious problem in cities.
Air pollution only comes from engine exhaust.
Smog is a combination of smog and fox.
Burning coal and oil releases other gases harmful to humans.
UNIT 5: AIR POLLUTION
III- Reading
Task 1: Check T/F predictions
T
T
F
F
T

UNIT 5: AIR POLLUTION
III- Reading
Task 2: Complete the following sentences.
Air pollution is a major problem in....
Examples of air pollution are.......
.....also account for air pollution in the cities.
Exhaust from vehicles and factories are very....
Smog occurs in the atmosphere when...combine under the influence of the sunlight.
The most serious gas from burning coal and oil is .......
Key
Cities
Dust storms, volcanic eruptions, forest fires.
Vehicles
Poisonous
Nitrogen oxides and organic gases
Sulphur dioxide




Discuss to find the most correct answer
To reduce air pollution, which things should we do:
Make people aware of the harm of air pollution.
Grow more trees.
Recycle waste.
Throw out rubbish on the streets.
Cut down trees.
Reduce the number of vehicles on the road.
Kill the wild animals.
Join in the movement of cleaning up the streets.



1/ a,b,c,d,e
2/ d,e,f,g,h
3/ a,b,c,f,h
4/ All of them
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