教育专题：九上U4T2SB.ppt

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1、Unit 4 Amazing Science Topic 2 When was it invented?Great inventions make our life colorful!Please choose one to talk about.English Learning Machine/Around 2005/Beijing Renai Education Institute/learn Englishdigital camera/1975/America/take photos MP3 player/1998/Korea/listen to music mobile phone/1

2、973/America/communicate easilyScience make our world wonderful!Michael,Jane and their classmates are visiting the Science Museum.Look,a light bulb!When was it invented?Who was the inventor?Listen and answer the questions.In 1987,by Thomas Edison（录音（录音p87-1a）Read 1a again and complete the table.Inven

3、tionInventorYearLight bulb Guglielmo Marconi 1903RadioAirplaneThomas EdisonWilbur andOrville Wright 18791895 重点词（组）和句型重点词（组）和句型1.in our daily life in our everyday life 2.invent v.inventor n.invention n.The inventors invented many great inventions.3.Its said/reported that-clause.4.during ones life in

4、 ones life invent/America/in 1946A:Where were computers invented?B:They were invented in America.A:When were computers invented？B:They were invented in 1946.Look and talk about the picture.Pair work.Make up dialogs after the example.Shenzhoulauch/in China/in 2008Pirates of the Caribbeandirect/by Gor

5、e Verbinski/in 2006laptopinvent/in Japan/in 1985Know something about science.Cloning-a famous experiment the cloned sheep-was created in Scotland a few years ago.the cloned micethe cloned cowsthe cloned pigsthe cloned animalsListen and answer the questions.1.Whats the name of the cloned sheep?Dolly.

6、2.What animals have the scientists cloned now?Sheep,rabbits,cows,mice,pigs and some other animals.3.What is used in cloning?DNA.4.Is your DNA similar to your parents?Yes,it is.5.What does the writer want to clone?What do you want to clone?Why?（录音（录音p88-3a）3bGroup workRead 2a again and discuss the fo

7、llowing questions.1.Who is Dolly and what is used in cloning?2.What are the advantages and disadvantages of cloning?()1.The cloned sheep,Dolly,was cloned in Canada.()2.Scientists have cloned pigs.()3.Every part of our body has different DNA.()4.There is DNA in all living things.Read 3a and mark the

8、statements True(T)or False(F).TTFF1.Do you know about Dolly,the cloned sheep?I am going to buy a car made in China.4.be similar to 与相似 the sameas，asas 与一样 3.human being n.意为“人”，当“人类”讲时，通常用复数human beings humans man.2.DNA 脱氧核糖核酸 DNA fingerprinting DNA指纹鉴定 Retell the passage:Would you like to say somet

9、hing about the famous experiment?Cloning Dolly-created in Scotlandother cloned animalsDNAthe same as be similar toexactly the same Inventor YearA.Karl Benz a.1925B.John Baird b.1876C.Alexander Graham Bell c.1885Listen to the tape,choose the correct answers and fill in the blanks.ACBcba（录音（录音p87-2）当堂

10、检测 一一、词组互译、词组互译1.科技博物馆_ 6.It is said that _2.在日常生活中_ 7.the same as_3.与不同 _ 8.be similar to_4.迄今为止 _ 9.during ones life_5.从中克隆的 _ 10.be made into_二、选择合适短语填空，并注意其适当形式。二、选择合适短语填空，并注意其适当形式。be different from,take photos,be similar to,so far,the sameas1.The weather in the USA_ that in Australia.2.The stud

11、ent has made _ mistakes _ he did last time.3.Digital camera is used for _.4._,more and more teenagers in America have showed great interest in learning Chinese.5.5.Group Threes opinions _ ours.are similar to the sameastaking photosis different fromSo far三、用所给词的适当三、用所给词的适当形式填空。形式填空。1.It was used in o

12、ur _ study.(day)2.The airplane is different from _ .(today)3.I think the film was _ by Zhang Yimou in 1998.(direct)4.Edison,an American _,created many things.(invent)5.So far,they have _ many animals.(clone)6.Shenzhou _ (launch)in 2005.dailytodaysinventorcloneddirectedwas launched四、根四、根据句意及首字母提示据句意及

13、首字母提示写出单词。写出单词。1.Guglielmo Marconi is the i_ of the radio.2.This kind of machine is w_ used for harvesting in the countryside.3.Nowadays more and more people use mobile phones to c_ with each other.4.Shakespeare c_ many famous characters,such as Hamlet,Romeo,Juliet and so on.5.The government is trying out a new e_ in city planning.6.Your views on education are s_ to mine.nventorommunicate reatedxperimentimilaridelyHomework:Make a survey about what your classmates want to clone and report to your class.Name What to clone ReasonBye!