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Unit2 Saving the Earth
Topic2 All these problems are very serious.
Section B
By Zheng Jinying from Zhulin Middle School
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Part ? Analysis of the teaching materials
Part ? Analysis of the teaching methods
and teaching aids Part ?
Analysis of the learning methods Part ?
Analysis of the teaching procedures
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Part I. The analysis of the teaching materials
1.Status and functions
1. This lesson is the second period of Topic2.
It helps students continue to learn about the
harm caused by polluted environment. And it also
helps Ss to improve their listening, speaking,
reading, and writing abilities. 2. Such a
topic is related to daily environment, so it is
helpful to raise students learning interests .
2. The analysis of the students
The students have learned English for more than 2
years so far. They have some ways and abilities
to learn English.
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3.Teaching aims and demands 1. New words and
phrases sand, cut down, change into, prevent,
prevent from, human being, although, law, turn
off,tap 2. Useful expressions (1) Trees can
stop the wind from blowing the earth away. (2)
A lot of water can be saved by forests. (3)
Trees can prevent the water from washing the
earth away. (4) Remember to turn the tap off
when you leave. 3.Teach the students to learn
to talk about the importance of forests and water
resources. Improve the students awareness of
environmental protection.
4.Teaching keys and difficult points
Master the new words, phrases and useful
expressions in this lesson.
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Part? The analysis of the teaching methods
and teaching aids
1.Teaching methods 1) Task-based Method
2) Communicative Method 2. Teaching aids
Multi-medium computer
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Part ?. The analysis of the learning methods

• 1.Autonomous ,cooperation and inquiry.
• 2.Reading ,observation and practice.

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Part ?. The analysis of the teaching procedures
Step1. Revision Step2. Presentation Step3.
Consolidation Step4. Group work Step5. Sum
up Step6. Homework Step7. Blackboard design
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Step1 Revision
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water pollution
Air pollution
soil pollution
noise pollution
Light pollution
(Aims To lead to the new lesson by using what
the students have learned .)
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Step 2 Presentation
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What bad weather! The wind is blowing strongly
with lots of sand. Its a sandstorm.
???
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Do you know how sandstorms come into being?
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many trees
cut down trees
forests gone
(Aims To help the students know how sandstorms
come into being and teach new phrases.
change into desert
sandstorms come into being
wash the earth away
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Finish 1c.
Number the pictures and then talk about them in
groups.
( )
( )
( )
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1
5
Do you know how sandstorms come into being?
( )
( )
3
6
( )
2
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Cutting down too many trees can cause
sandstorms. But how can these trees affect
the weather?
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Listen to 1a and answer the questions.
1.What is the weather like?
Its bad. The wind is blowing strongly.
2.What causes these sandstorms?
People have cut down too many trees. A lot of
rich land has changed into desert.
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Listen again and answer
3. How can trees affect the weather?
Trees can stop the wind from blowing
the earth away.
A lot of water can be saved by forests.
Trees can prevent the water from washing the
earth away.
(Aims To train the Ss listening abilities and
teach .)
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Step3 Consolidation
1. Ask the Ss to listen to 1a and read after
it. Pay attention to the intonation. 2. Read
the conversation in 1a in threes. Ask some Ss to
act it out.
(Aims To help the students to under stand the
conversation deeply and master the key
expressions.)
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1b Work alone
Read 1a again, answer the questions.
1. What are they talking about?
They are talking about sandstorms.
2.What causes this kind of bad weather?
People have cut down too many trees. A lot of
rich land has changed into desert.
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Write down the functions of trees.
Trees functions
Trees can stop the wind from blowing the earth
away.
A.
A lot of water can be saved by forests.
B.
C.
Trees can also prevent the water from washing the
earth away.
(Aims To help the students to master the useful
expressions.)
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Step4 Group Work
2. Discuss in groups
Protecting and Saving water
Water is very important to human
beings, but not everybody knows how to protect
and save it. What ways do you have to protect
and save water?
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Protecting and Saving Water
Here are some ways
1. Pass laws against water pollution.(??
???????) 2. Stop factories pouring waste water
into rivers. 3. Remember to turn the tap off
when you leave. 4. Collect and reuse waste
water. ... (Use the used water to , tell
others to , and so on.)
(Aims To improve students speaking skills and
get them to know how to save water.)
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Save me, save your life !
Im your friend, please take care of me!
Don waste water.
Plant more trees, and our world will be more and
more beautiful.
Love me, love our earth!
We only have one earth, lets protect our home!
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Save me, save your life !
Im your friend, please take care of me!
Don waste water.
Plant more trees, and our world will be more and
more beautiful.
Love me, love our earth!
We only have one earth, lets protect our home!
(Aims To improve students awareness of
environmental protection
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Step5 Sum up
We have learned the new words and expressions
1.sand 2.sandstorm 3.desert 4.humanbeing 5.law
6.cut down 7.change into 8.stop sb. from
doingprevent sb. from doing 9.turn off
10.Trees can stop/prevent
We have talked about
the ways of protecting and saving water and
forests.
(Aims To help the students to go over the new
words, phrases, expressions and emotion goals .)
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????

• 1. Our teacher have told us ___ the trees.
• A. cut off B. cut down
• C. not to cut off D. not to cut down
• 2. ____ they can swim, ____ they never go
  swimming alone.
• A. Although, but B. Though, but
• C. Although, / D. Because, so
• 3. The policemen tried to prevent traffic
  accidents _____happening.
• A. from B. in C. to
  D. with
• 4. He didnt cross the road until the red
  traffic lights changed ____ green ones.
• A. to B. into C. for
  D. in
• 5. _____ bad weather! We have to stay at home.
• A. What a B. How C. How a
  D. What
• 6. Remember ____ the door before you leave the
  classroom.
• A. closes B. close C. to close
  D. closing
• 7. The baby is sleeping now. Please ______ the
  radio.
• A. turn on B. turn off C. turn up
  D. turn down

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????
??????
1. ???????,????????? ________________ he is
only five years old, he knows a lot . 2.
???????????? Forests help to prevent the water
_____ _______ the earth ________. 3.
????????,?????? A lot of rich land has ________
____ desert, leaving only sand.
Though / Although
from washing away
changed into
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Step6 Homework
Write a short passage with the title Protecting
and Saving Water.
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Step7 Blackboard Design
Unit2 Saving
the earth Topic2All these
problems are very serious
Section B Sand sandstorm cut down
Trees can stop the wind from
blowing the
earth away. change into desert
Trees can also prevent the water
from
washing the earth away. human being
Pass laws against water
pollution. although / but Remember to
turn the tap off when you leave. prevent
from stop from turn off tap
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Byebye!