2010年秋季仁愛英語教學(xué)案例設(shè)計(jì)(教案)九年級(jí)上冊(UNIT 4 Topic 2 SECTION B)

1、千葉帆服裝資料分享社區(qū) 仁愛英語教案unit 4 amazing sciencetopic 2 when was it invented?section bthe main activities are 1a and 3a. 本課重點(diǎn)活動(dòng)是1a和3a。. teaching aims and demands 教學(xué)目標(biāo)1. learn some new words:clone, experiment2. go on learning the simple past passive voice:(1) do you know when it was invented?(2) it was inven

2、ted in 1879. 3. learn some information about the clone technology.(1) cloning is famous throughout the world.(2) there is dna in most living things, including human beings.(3) no doubt cloning can help save those animals in danger.(4) and it can also benefit human beings. teaching aids 教具錄音機(jī)/多媒體課件/圖

3、片. five-finger teaching plan 五指教學(xué)方案step 1 review 第一步 復(fù)習(xí)(時(shí)間:6分鐘)做游戲，復(fù)習(xí)一般過去時(shí)被動(dòng)語態(tài)的用法，導(dǎo)入新課。1. (用上節(jié)課的作業(yè)做一個(gè)鏈?zhǔn)接螒?，以小組為單位，就計(jì)算機(jī)、mp3、cd、手機(jī)、數(shù)碼相機(jī)或?qū)W習(xí)用具等進(jìn)行對(duì)話，操練be made of / be made in / be made from / be used for的用法。讓每一小組的第一個(gè)同學(xué)回過頭去問下一位同學(xué)，依次接著往下問。)t:boys and girls. lets play a game. ask questions one by one. s1:wha

4、ts your favorite invention?s2:the mp3. whats it made of?s3:its made of steel and plastic. when was it developed?s4:it was developed around 1998. whats it used for?s5:its used for helping us to improve our english.2. (用多媒體出示圖片，導(dǎo)入新課。)t:you did very well. there are many important technologies and inven

5、tions in the world today. look at this invention. (展示燈泡圖片。)its a bulb. do you know about it?(板書并要求學(xué)生了解。)bulbss:yes, a little. t:ok, who invented it?ss:thomas edison. t:when was the light bulb invented? do you know?ss:no. t:ok, lets come to 1a and learn about it.step 2 presentation 第二步 呈現(xiàn)(時(shí)間:17分鐘)通過談

6、論各種發(fā)明及其發(fā)明者和發(fā)明的時(shí)間，呈現(xiàn)1a和3a的內(nèi)容，繼續(xù)學(xué)習(xí)一般過去時(shí)的被動(dòng)語態(tài)及生詞。1. (讓學(xué)生聽1a錄音并根據(jù)聽力內(nèi)容判斷正誤。)t:in this lesson, we will learn something about other inventions and technologies, please listen to 1a and mark true (t) or false (f).(1) the light bulb was invented in 1879. ( )(2) the radio was invented by thomas edison in 1895

7、. ( )(3) the airplane was invented by wilbur and orville wright in 1903. ( )(聽后核對(duì)答案：(1) t (2) f (3) t。)2. (用圖片繼續(xù)談?wù)撋鲜霭l(fā)明，引入3a。)t:now lets go on talking about the inventions. look at the picture! (出示收音機(jī)的圖片。) who invented it?t:it was invented by guglielmo marconi. (呈現(xiàn)收音機(jī)的發(fā)明年份和發(fā)明者的名字。)t:and when was it i

8、nvented?ss:it was invented in 1895. t:very good. and look at this picture. (展示一幅飛機(jī)的圖片。) who invented it? (同時(shí)呈現(xiàn)飛機(jī)發(fā)明年份和發(fā)明者的名字。)ss:it was invented by wilbur and orville wright. t:and when was it invented?ss:it was invented in 1903. t:we have talked about so many inventions. now we are going to learn so

9、mething new about a great technology. (拿出圖片。) now look at this picture. what animal is it?ss: its a sheep.t: yes, it is a cloned sheep. have you ever heard of clone?(教師釋義并領(lǐng)讀clone，要求學(xué)生掌握。)cloness:yes, of course. t:thats very good. cloning is a famous experiment throughout the world. so far, scientist

10、s have cloned many animals to save those animals in danger. the cloning technology has been used in human organs. it can benefit human beings.(板書并讓學(xué)生掌握生詞experiment；了解organ和benefit。)experiment, organ, benefitt:then whats the name of the first cloned sheep?ss:dolly. t:yes, now lets read 3a and answer

11、the following questions.3. (指導(dǎo)學(xué)生閱讀3a，回答下列問題并核對(duì)答案，為完成3b作鋪墊。同時(shí)畫出文中的關(guān)鍵詞及短語，為下一環(huán)節(jié)的課文復(fù)述作準(zhǔn)備。)(板書下列問題。)(1) when and where was the cloned sheep created?(2) what other things has man cloned?(3) whats used in cloning?(4) what are the advantages and disadvantages of cloning?(板書關(guān)鍵詞及短語。要求學(xué)生理解aids。)dolly, be crea

12、ted, famous throughout the world, dna, in every part of your body, be similar to, save, benefit human beings, explore more ways to, heart disease, aids and cancer, however4. (讓學(xué)生聽3a并跟讀，畫出重點(diǎn)詞組，教師板書。)t: please listen to 3a and read after it. find out the important phrases.(板書，要求學(xué)生掌握。)so far, be simila

13、r to, the same as, no doubt(學(xué)生聽完錄音后，與教師板書的內(nèi)容對(duì)照，并朗讀3a課文，教師講解本課重要詞組。)step 3 consolidation 第三步 鞏固(時(shí)間:9分鐘)通過角色表演、復(fù)述等形式鞏固1a和3a內(nèi)容及一般過去時(shí)的被動(dòng)語態(tài)。1. (兩人一組分角色表演1a。) t:please act out 1a in roles.2. (再讀1a，完成1b。)3. (讓學(xué)生再讀3a并討論3b中的問題，完成3b。)4. (指導(dǎo)學(xué)生用剛才自己所畫的3a中的關(guān)鍵詞，以接龍的方式復(fù)述3a。)t:just now, weve learned something about

14、 cloning. can you say something about it?s1:dolly, a cloned sheep.t:yeah. its well-known. s2:cloning is known as a great experiment all over the world. t:good!s3:dolly was created in scotland more than ten years ago. s4:so far, scientists have cloned rabbits, sheep, cows, mice, pigs and some other a

15、nimals.t:excellent! now, repeat what you have said just now one by one, and you will get the whole paragraph. (讓剛才搶答問題的學(xué)生重復(fù)一遍自己所說的那些話，教師不再提示關(guān)鍵詞，讓學(xué)生按同樣的方式繼續(xù)進(jìn)行接龍。為激發(fā)學(xué)生的興趣，可分組競賽，看哪組復(fù)述的句子又快，又多，又準(zhǔn)確。)step 4 practice 第四步 練習(xí)(時(shí)間:8分鐘)設(shè)置情景，繼續(xù)操練一般過去時(shí)的被動(dòng)語態(tài)，完成2和4。1. (利用1a中有關(guān)發(fā)明的圖片，讓學(xué)生用一般過去時(shí)的被動(dòng)語態(tài)講述三項(xiàng)發(fā)明的情況。)t:now, l

16、ook at the pictures and try to say something about the inventions we have learned just now. (教師逐一呈現(xiàn)圖片。)s1:the light bulb was invented by thomas edison in 1879. s2:the radio was invented by guglielmo marconi in 1895. s3:the airplane was invented by wilbur and orville wright in 1903. 2. (讓學(xué)生先看2的內(nèi)容，然后播

17、放錄音。) t: boys and girls, do you want to know something about other inventions? lets listen to the tape carefully and complete 2 on page 87. (聽后檢查部分學(xué)生答案，視情況需要，可再播放一遍錄音。然后就聽力內(nèi)容提問，鼓勵(lì)并引導(dǎo)學(xué)生積極踴躍回答。)t:who was the car invented by?s4:karl benz. t:when was it invented?s4:in t:what about the telephone?s5:it wa

18、s invented by alexander graham bell in t:what did john baird invent?s6:he invented the television.t:when did he invent it?s6:he invented it in (讓學(xué)生分成三組分別討論這三項(xiàng)發(fā)明，并用自己的話復(fù)述2中的部分內(nèi)容，完成2。)t:now, please talk about the inventions in your own words. group 1, please tell us something about the car. g1:the car

19、 t:now, group 2, would you like to talk about the telephone or the television?g2:wed like to talk about t:group 3. its your turn to talk about .3. (用多媒體展示一些圖片，并要求學(xué)生用過去時(shí)的被動(dòng)語態(tài)造句。鞏固本課的語言點(diǎn)。完成4。)t: make up sentences according to the example and practice more. example:(展示電腦圖片并板書生詞laptop，要求學(xué)生了解。)laptops4: where were laptops invented?s5: they were invented in japan.s4: when were they invented?s5: they were invented in