仁爱科普版九年级上册Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.获奖教案

这是一份仁爱科普版九年级上册Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.获奖教案，共7页。

I.Teaching aims and demands:
1. Learn the usage f direct speech and indirect speech.
2. Talk abut different kinds f pllutin in rder t enhance the awareness f envirnmental prtectin.
II. Imprtant pints:
1. bee, my gdness, waste, stream, breathe, be harmful t, influence
2. direct speech and indirect speech
3. sme useful sentences
III. Teaching prcedure:
Step 1 Review
Shw a picture in which the twn’s envirnment is seriusly plluted by chemical factries. Lead t the tpic f envirnmental pllutin by talking abut the picture. Understand the new wrd “chemical”.
Step 2 Presentatin
1. Learn 3a and 3b.
(1) Shw different pictures f envirnmental pllutin in 3a. Let students have a general idea abut different kinds f pllutin. Then ask students t tell what kind f pllutin it is. Teach and ask students t master the new wrds “brethe” and “influnce”. Understand “sil”, “harmful” and “be harmful t”.
(2) Lk and match. Finish 3a and check the answers.
(3) Finish 3b with the given wrd and phrases in 3a and check the answers.
2. Discuss in grups abut the cause and harm f pllutin. Then the teacher makes a summary: Pllutin des harm t nt nly human beings but als animals. Lead t 2.
3. Listen t 2 and finish 2.
4. The teacher leads t 1a.
(1) Shw the first picture in 1a and ask students t describe the beautiful scenery. Teach and ask students t master the new wrds “bee” and “stream”.
(2) Shw the secnd picture in 1a and ask students t describe the changes caused by envirnmental pllutin. Learn and master the new wrd “waste”.
Step 3 Cnslidatin
1. Ask students t read 1a, and deepen their understanding f the picture.
2. Let students read 1a alud, and find ut key phrases and sentences. Write them dwn n the Bb. Let students understand these sentences n the Bb and guess the meaning f “my ggness”.
(1) Oh, my gdness.
(2) The flwers and grass have gne!
(3) Lk, there are sever chemical factries puring waste water int the stream.
3. Listen t 1a. Let students fllw it and imitate the prnunciatin and intnatin.
4. Wrk in grups. Read 1a in grups f fur, then act it ut. Finish 1a.
Step 4 Practice
1. The teacher presents sme sentences in 1a, and shws students hw t change direct speech int indirect speech. Then let students practice in pairs.
2. Let students fill ut the table in 1b, then learn the usage f direct speech and indirect speech. Remind students t pay attentin t the change f the tense.
Step 5 Prject/wrk after class
1. Free wrk.
2. D sme exersice in TOPENGLISH.
Handwriting：
Sectin B
I.Teaching aims and demands:
1. G n learning and master the usage f direct speech and indirect speech.
2. Learn t express blame and cmplaint.
II. Imprtant pints:
1. direct speech and indirect speech
2. sme expressins abut blame and cmplaint
III. Teaching prcedure:
Step 1 Review
1. Ask students t reprt their surveys in the previus lessn abut envirnmental pllutin.
2. Summarize the main pints in their reprts and lead t this sectin.
Step 2 Presentatin
1. Shw the picture in 1a and talk abut it. Learn and master the new wrds “weak”, “prduce” and “chest”. Understand the new wrd “gas”.
2. Let students further discuss ther influences that the chemical factry brings n peple s that they can understand the text better. Lead t the new wrd “anyway”. Then ask students t learn and master it.
3. Listen t 1a, answer the shining questins, and then check the answers.
(1) What makes the ld lady’s chest hurt?
(2) Why can’t she sleep well at night?
Step 3 Cnslidatin
1. Listen t 1a again, let students read after the tape and imitate the prnunciatin and intnatin.
2. Wrk in pairs. Read 1a, and then act it ut in rles.(ptinal)
3.read 1a. Find ut the sentences that the granny blames and cmplains abut envirnmental pllutin. Ask students t master them. Fr example:
(1) It’s difficult fr me t breathe.
(2) The chemical factry prduces terrible gas.
(3) The bad air makes my chest hurt.
(4) What’s mre, the factry makes t much nise and I can’t sleep well at night.
(5) …I can’t stand the envirnment here.
Step 4 Practice
1. Let ne student act as the granny in 1a and retell the sentences that uses t blame and cmplain. G n learning the usage f direcr speech and indirecr speech. Finish 1a. Fr example:
S1: It’s difficult fr me t breathe.
T: What did she say?
S2: She said that it was difficult fr her t breathe.
Write dwn the sentences abve n the Bb. Ask students t bserve them and lead students t sum up the usage f the tense, the prnuns and the time in the sentences.
2. Let students finish 1b by themselves, and d mre exercise t deepen their understanding f the usage f direct speech and indirect speech.
3.Wrk in chains. Practice hw t change direct speech int indirect speech.
4. Let students finish 2 by themselves. Then check the answers.
Step 5 Prject/wrk after class
1. Free wrk.
2. D sme exersice in TOPENGLISH.
Handwriting：
Sectin C
I.Teaching aims and demands:
Knw abut nise pllutin and enhance the cnsciusness f envirnmental prtectin.
II. Imprtant pints:
1. cal, deaf, print, disturb, rubbish
2 sme useful sentences abut nise pllutin:
(1) … nise is als a kind f pllutin and is harmful t humans’ health.
(2) Peple wh wrk and live in nisy cnditins g deaf easily.
(3) … many teenagers in America can hear n better than 65-year-ld peple d, …
III. Teaching prcedure:
Step 1 Review
1. Review the kinds f pllutin by asking and answering questins. Lead t the tpic f nise pllutin in this sectin.
2. Discuss the pre-reading questins in 1a. Guess and understand the meaning f “shining” and “electricity”, and master the wrd “cal”. Finish 1 in 1a.
Step 2 Presentatin
1. Play sme pieces f beautiful music. The teacher asks, “D yu like them?”. Then the teacher plays sme unpleasant sunds and asks the same questin. Lead t the wrd “deaf”, teach and ask studentd t master it.
2. Let students read the passage in1a and understand the gist f the text. Find ut th enew wrds and encurages them t guess their meanings in the cntext. Let students learn and master the new wrds “print” and “disturb”. Understand “partner”, “hearing lss” and “harm”. Knw abut “including”.
Step 3 Cnslidatin
1. Listen t 1a. Let students read 1a after the tape and pay attentin t the prnunciatin, speed, intnatin and pause.
2. Read 1a carefully. Let students underline the imprtant and dificult pints and try t slve them by themselves. Ask students t find ut at least fur sentences abut the harm f nise pllutin. Finish 1a.
3. Finish 1b accrding t 1a. Check the answers. Master “rubbish” and understand “title”.
4. Wrk in pairs. Discuss the sentences in 1c, then decide which paragraphs f 1a they belng t. Finish 1c. Understand “nearby” and knw abut “sawmill”.
Step 4 Practice
Discuss the kinds and harm f nise pllutin in pairs. The teacher chse several pairs t act it ut.
Step 5 Prject/wrk after class
1. Free wrk.
2. D sme exersice in TOPENGLISH.
Handwriting：
Sectin D
I.Teaching aims and demands:
1. Review the usage f direct and indirect speech.
2. Summarize the kinds and harm f pllutin.
II. Imprtant pints:
1. create, industry, bld
2. direct and indirect speech
III. Teaching prcedure:
Step 1 Review
Shw the pictures abut varius kinds f pllutin, then asks students t say what kind f pllutin it is and what harm it des, and draws the cnclusin that they are bad fr ur health in many ways.
Step 2 Presentatin
1. Shw three pictures t the students, guide them t watch the pictures carefully and summarize them. Lead t 1a. Ask students t master “create”, “industry” and “bld”, and understand “destry” and “pressure”.
2. Let students read 1a by themselves, knw abut the passage,and fill in the blanks. Then check the answers. Finish 1a.
Step 3 Cnslidatin
1. Let students read 1a again and find ut the sentences describing the harm f each kind f pllutin. Write dwn the shining sentences n the Bb.
(1) It can cause sre eyes and breathing prblems.
(2) It makes ur envirnment dirty.
(3) …destry the sil. Sil pllutin causes unhealthy fd.
(4) T much nise can cause high bld pressure as well.
(5) It makes peple feel terrible and is especially bad fr the eyes.
2. Let students discuss in grups and finish 1b. Check the answers.
3. Wrk in grups. Retell 1a accrding t 1b.(ptinal)
Step 4 Practice
1. The teacher and students wrk tgether t sum up the usage f direct speech and indirect speech in this tpic. Lk at 2a and cmplete the missing sentences in the summary.
2. The teacher and students wrk tgether t sum up useful ecpressins in this tpic. Lk at 2b and cmplete the missing sentences in the summary.
3. Ask students t read 2a and 2b t have a better understanding f the grammar and useful expressins they have learned in this tpic. Then let students practice direct and indirect speech. Finish 2a and 2b.
Step 5 Prject/wrk after class
1. Free wrk.
2. D sme exersice in TOPENGLISH.
Handwriting:
Pllutin causes t many prblems.
Sectin A
air pllutinthere be sb./sth. ding sth.
sil pllutinbe harmful t …
water pllutinKangkang said that it was a beautiful
light pllutinplace with lts f flwers and grass.
nise pllutin
litter
Sectin B
prduce terrible gasKangkang asked the ld lady hw lng she had been like that.
The ld lady tld Kangkang that she had been like that since the
week befre.
can’t stand (ding) sth.The jurnalist asked Mrs. Zhu whether/if she was feeling
better then.
……
Sectin C
be harmful t …
g deafd harm t …
n better thanNise is als a kind f pllutin and is harmful t humans’ health. ….
Pllutin causes t many prblems.
Sectin D
high bld pressureBurning gas, il and cal creates air pllutin.
with the develpment f industryWith less pllutin, ur planet will becme…
in many ways