Unit 6. The environment

Unit 6: The environment

Speak
In the past
Now

How ?
What?
Why ?
What should we do to protect the environment ?
Why should we do these things?
How can we do them?
Task 1: Talk about what we should do to protect the environment. For example:
I think we should use banana leaves to wrap food
Unit 6-
Speak+ Language Focus
I think we should+ V..
Won`t you+ V...?
It would better if you+ V...
Why don`t you+ V...?
Why not+ V...?
What/ How about+ Ving...?
Now you make new sentences.
reuse and recycle bottles and cans
not throw trash onto the water
go to school by bike
put garbage bins around the schoolyard
use public buses instead of motorbikes
I think we should...
It would be better if you...
Why don`t you...?
Won`t you...?
Why not....?
What/ How about....?
Task 2:
Work in pairs. Make a dialogue about why we should do those things. For example :
Use banana leaves to wrap food/ ( plastic bags are very hard to dissolve/ save paper)
A: I think it would be better if we use banana leaves to wrap food.
B : Why?
A: Because plastic bags are very hard to dissolve. By doing this , we can save paper.

- Not throw trash onto the water / keep the water clean / polluted water can directly do harm to people`s health and kill fish.
A: I think we should ...
B : Why?
A: By doing this ,we can...
?
A: I think we should not throw trash onto the water.
B : Why?
A: By doing this ,we can keep the water clean. Polluted water can directly do harm to people`s health and kill fish.
- Reuse and recycle bottles and cans.( reduce garbage/ save natural resources)
- Go to school or go to work by bike. ( save energy/ keep the air clean)
-Put garbage bins around the school yard. (prevent lazy students from throwing trash / keep the schoolyard clean)
-Use public buses instead of motorbikes. ( avoid traffic jams / reduce exhaust fume/ save energy)

I think we should.../ It would better if you... Why? / How come?
Because we can.../ By doing this, we can.../ If you do this, we can...
Task 3: Work in groups. Discuss the questionnaire:
How can we....
save paper ?
use fewer plastic bags?
reduce water pollution?
prevent littering?
reduce air pollution?
reduce the amount of garbage we produce?
You may begin with :
We can/ should ( not)...
We can save paper by+ Ving....
Let’s check
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Next
Back
How can we ? We can /should.....
- We can reuse and recycle waste paper.(10)
- We can save paper by keeping sheets with single printed for drafting.( 20)
How can we save paper ?
Back
How can we reduce air pollution?
–We can use public buses instead of motorbikes ( 10)
-We can plant more trees.( 20)
- We should not spray pesticides.(20)
Back
We can reuse and recycle bottles and cans.( 10)
- We can reuse and recycle many things after use. ( 20)

How can we reduce the amount of garbage we produce?
Back
–We can put garbage bins at public places.( 10)
We should collect trash and carry them to the dumps.( 20)
We can tell our friends not to throw trash everywhere. Put them into the garbage bins. ( 20)
How can we prevent littering?
Back
We can use banana leaves to wrap food.(10)
We can use a cloth bag.( 20)
We can reuse and recycle them.( 20)
How can we use fewer plastic bags?
Back
We should not throw trash onto the water.( 10)
- We should not use dynamite for fishing.( 20)
How can we reduce water pollution?
TASK 4:LANGUAGE FOCUS
If we pollute the water, we will have no fresh water to use
Conditional sentences: type 1
IF+ S1+V1(hiện tại đơn ) , S2+ V2 ( will/ can/may/ must...+ infinitive )
LANGUAGE FOCUS 4: MATCHING


LANGUAGE FOCUS 5:
Complete the sentences. Example:
a) If the rice paddies are polluted,...( rice plants / die)
If the rice paddies are polluted, the rice plants will die.


Complete the sentences.
If the rice paddies are polluted ( rice plants/ die)
?If the rice paddies are polluted , rice plants will die.
If we go on littering, ( environment /become /seriously polluted)
If we plant more trees along the street, (we/have /more shades and fresh air )
If we use much pesticide on vegetables. the vegetables/ become poisonous and inedible)
If we keep our environment clean,..( we/ live / happier and healthier) life
Answer key:
b. If we go on littering, the environment will become seriously polluted
c. If we plant more trees along the street, we`ll have more shades and fresh air .
d. If we use much pesticide on vegetables, the vegetables will become poisonous and inedible.
e. If we keep our environment clean, we`ll live a happy and healthy life
Homework
Do Exercise 8, 9. 10
( P 45 ,46 Workbook )
Thank you & Good bye