Unit 10. Conservation

Good morning class !
Good morning class !
TRAI CAU HIGH SCHOOL
Look at the pictures below and answer the question:
- What happened?
I. Warm - up
POLLUTION
What do you think about these pictures?
Unit 10: Conservation
Part A: Reading
II. Before you read:
Unit 10: Conservation
- Variety [ və`raiəti ] ( N ): sự đa dạng
- To Conserve [kən`sə:v] ( v ) bảo tồn, duy trì
[ conservation ( n ): sự bảo tồn, sự duy trì ]
- Constant [`kɔnstənt] (adj): bền lòng, kiên trì
- Rapid run-off ( n ) : sự chảy tháo nước
- To run off ( v ): chảy nước
- Circulation [,sə:kju`lei∫n] (n): sự lưu thông
- Nature’s defence: bảo vệ môi trường
- Valuable [`væljuəbl] (adj): có giá trị lớn
- To eliminate [i’limineit] (v): loại trừ, thải,
- To worsen [wə:sn] (v): trở nên tồi tệ hơn
- Dam (n): đập ngăn nước
- Defence [di’fens]: sự bảo vệ; Nature’s defence: bảo vệ thiên nhiên
- Eroson [i’rouʤn] (n): sự xói mòn
- Hydroelectric [`haidroui`lektrik] (adj): thuộc về thủy điện
- damage [`dæmiʤ] (v, n): Phá hoại, làm hư, sự phá hoại
- To concern [kəsə:n] (v): Liên quan
- Liquid [‘likwid]; (n): chất lỏng
III. While you read : Read the paragraphs
Unit 10: Conservation
Task 1: Match the word in A with a suitable definition in B – Work in pairs:
1. eliminate
2. circulation
3. run-off
4. hydroelectric
a. the movement of something around a closed system
b. concerning or producing electricity by the power of falling water
c. remove or get rid of completely
d. liquid which flows off or from something
Task 2: Decide whether the following statements are true (T) or false (F) – Work in groups.
1. Each year about fifty hundred species of plants and animals are eliminated.
2. Many kinds of plants could be used to treat various dangerous diseases.
3. Water can be held on land by vegetation.
4. Man is constantly doing harm to the environment.
5. Plants may cause floods and erosion.

6. We can do nothing to save the earth.

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Without plants, most water would run off as soon as it falls. Rapid run-off would cause floods.
We can stop worsening the problems.
( Paragraph A - line : 2 )
( Paragraph A - line : 3, 4 )
( Paragraph B - line : 3, 4 )
( Paragraph C - line : 1, 2 )
( Paragraph B - line : 6, 7 )
( Paragraph C - line : 5, 6, 7 )
Task 3: C hoose the most suitable main idea for each paragraph.
1. We cannot live without water.
2. Let’s do something to save the earth.
3. Forests give us a lot of valuable things.
4. V egetation can help conserve water.
Unit 10: Conservation
IV. After you read
Answer the following questions:
What is the consequence of losing forest?

How important is water in our life?

What should we do for the future of our planet?
The loss of the forest will cause destruction in the earth’s plant and animal variety.
Humans need a constant supply of water to survive.
We can stop worsening the problem, while scientists search for answers, laws are passed to help conserve natural.
* Learn by heart all new words.
* Prepare the part C: Speaking
Unit 10: Conservation
V. Homework
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Good bye !