Teacher: Pham Thi Nhung
WELCOME TO OUR CLASS 9A3
Na Say secondary school
Nguyên nhân gây ô nhiễm môi trường
Causes of the environmental pollution
Đốt nương rẫy
Vứt rác bừa bãi
Chặt phá rừng
Làm ô nhiễm nguồn nước
Nguyên nhân gây ô nhiễm môi trường
Causes of the environmental pollution
Phun thuốc trừ sâu
Đánh bắt cá bằng thuốc nổ
Đánh bắt cá bằng kích điện
Khí thải từ phương tiện giao thông
Nước thải sinh hoạt
Hoá chất từ các nhà máy
Tràn dầu
Nguyên nhân gây ô nhiễm môi trường
Causes of the environmental pollution
Khí thải từ các nhà máy
Hậu quả tới môi trường
Consequences to the environment
Hạn hán
Lũ lụt
Bão nhiệt đới
Ô nhiễm nguồn nước
Những hậu quả tới môi trường
Consequences to the environment
Ô nhiễm không khí
Động đất
Sóng thần
Băng tan ở Bắc Cực
1) Vocabulary


- wrap (v):
gói
UNIT 6: THE ENVIRONMENT
Lesson 2: Speak
- dissolve (v):
phân hủy
- trash = garbage (n):
rác thải, đồ cũ bỏ đi
- prevent (v):
ngăn chặn
- traffic jam (n):
tắc nghẽn giao thông
khí thải
- exhaust fume (n)
Example:
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
Why? How come?
Because plastic bags are very hard to dissolve, they will cause pollution. And if we use less paper, we can save trees in the forests. That’s how we can save the environment.
A:
A:
B:
2) Practice


It would be better if you … - I think you should …
- Why don’t you … ? + V- infinitive …
Won’t you …?
- Why not …?

What about …
How about … + V- ing … ?
UNIT 6: THE ENVIRONMENT
Lesson 2: Speak
* Expressions to help you to persuade someone to do something.
a) Try to persuade your partner to do the following things to protect the environment. Use the expressions and the idea cues given.
* Use banana leaves to wrap food. (plastic bags are very hard to dissolve/ save paper) * Reuse and recycle bottles and cans. (reduce garbage / save natural resources) * Not throw trash onto the water.
(keep the water clean / polluted water can directly do harm to people’s health and kill fish) * Go to school or go to work by bike.
(save energy / keep the air cleaner) * Put garbage bins around the schoolyard.
(prevent lazy students from throwing trash / keep the schoolyard clean) * Use publish buses instead of motorbikes.
(avoid traffic jams / reduce exhaust fume / save energy )
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
Why? How come?
Because plastic bags are very hard to dissolve, they will cause pollution. And if we use less paper, we can save trees in the forests. That’s how we can save the environment.
Hoa:
Lan:
Hoa:
* Reuse and recycle bottles and cans.
(we can reduce garbage / save natural resources)
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
Why ? How come ?
Because plastic bags are very hard to dissolve, they will cause pollution. And if we use less paper, we can save trees in the forests. That’s how we can save the environment.
Hoa:
Lan:
Hoa:
* Not throw trash onto the water.
(we must keep the water clean / polluted water can directly do harm to people’s health and kill fish)
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
Why ? How come ?
Because plastic bags are very hard to dissolve, they will cause pollution. And if we use less paper, we can save trees in the forests. That’s how we can save the environment.
Hoa:
Lan:
Hoa:
* Go to school or go to work by bike.
(we can save energy / keep the air cleaner)
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
Why ? How come ?
Because plastic bags are very hard to dissolve, they will cause pollution. And if we use less paper, we can save trees in the forests. That’s how we can save the environment.
Hoa:
Lan:
Hoa:
* Put garbage bins around the schoolyard.
(we can prevent lazy students from throwing trash / keep the schoolyard clean)
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
Why ? How come ?
Because plastic bags are very hard to dissolve, they will cause pollution. And if we use less paper, we can save trees in the forests. That’s how we can save the environment.
Hoa:
Lan:
Hoa:
* Use publish buses instead of motorbikes.
(avoid traffic jams / reduce exhaust fume / save energy )
UNIT 6: THE ENVIRONMENT
Lesson 2: Speak
b) Find possible answers to the questionnaire. You can use the idea in section a).
Questionnaire Protecting the environment
How can we … - save paper? - prevent littering? - use fewer plastic bags? - reduce air pollution? - reduce water pollution? - reduce the amount of garbage we produce?
Possible answers a. We can put garbage bins around the schoolyard. b. We can reuse and recycle used paper. c. We don’t throw trash onto the water. d. We can reuse and recycle bottles and cans. e. We can use banana leaves to wrap food. f. We can go to school or go to work by bike.
Questionnaire Protecting the environment
1. How can we save paper? 2. How can we use fewer plastic bags?
3. How can we reduce water pollution?
4. How can we prevent littering?
5. How can we reduce air pollution?
6. How can we reduce the amount of garbage we produce?
b. We can reuse and recycle used paper.
e. We can use banana leaves to wrap food.
c. We don’t throw trash onto the water.
a. We can put garbage bins around the schoolyard.
f. We can go to school or go to work by bike.
d. We can reuse and recycle bottles and cans.
UNIT 6: THE ENVIRONMENT
Lesson 2: Speak
c) Now discuss with a partner the best way to protect the environment. Take turns to try and persuade your partner into doing things you think the most practical. Use the ideas and the expressions for persuading in section a) and the answers to the questionnaire in b).
I think we should burn trash to reduce the amount of garbage we produce to protect the environment.
How can we do that? I think only the factory can.
That’s a good idea! Let’s do that.
No, we shouldn’t do that. Burning trash will pollute the air. I think the best way to reduce garbage is to reuse and recycle things.
What about collecting used paper, bottles and cans every day? It’s not difficult.
UNIT 6: THE ENVIRONMENT
Lesson 2: Speak
Put garbages into the bin
Clean the village
What should we do to protect the environment?
Plant and water trees
Sweep the around school
Plant more trees
Don’t cut down trees
Don’t burn hills
Persuade everyone to protect the E
What should we do to protect the environment?
UNIT 6: THE ENVIRONMENT
Lesson 2: Speak
Vocabulary
wrap (v): gói
dissolve (v): phân hủy
prevent (v): ngăn chặn
exhaust fume (n) khí thải
traffic jam (n): tắc nghẽn giao thông
trash = garbage (n): rác thải, đồ cũ bỏ đi
2) Practice
Expressions to persuade someone to do something. - It would be better if you … - I think you should …
- Why don’t you … ? + V- infinitive … - Won’t you …? - Why not …?

- What about …
- How about … + V- ing … ?
REMEMMBER
Prepare "Listen"
Practise speaking with friends
Learn vocabulary and expressions by heart
Thank you for your attention!
Good bye