仁爱英语九上PPT课件Unit 4Topic 1 When was it inventedB.ppt

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

2、music,mobile phone/1973/ America/communicate easily,Science 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,Read 1a and fill out th

3、e table.,Radio,Airplane,Thomas Edison,Wilbur and Orville Wright,1879,1895,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 ones life,invent /America/in 1946,A:

4、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.,Shenzhou lauch /in China/in 2008,Pirates of the Caribbean direct/by Gore Verbinski/in 2006,l

5、aptop,invent/in Japan/ in 1985,Know something about science.,Cloning- a famous experiment,the cloned sheep- was created in Scotland a few years ago.,the cloned mice,the cloned cows,the cloned pigs,the cloned animals,Listen and answer the questions.,1.Whats the name of the cloned sheep? Dolly. 2.What

6、 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?,3b,Group work,Read 3a again and discuss the follo

7、wing 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 an

8、d mark the statements True (T) or False (F).,T,T,F,F,1. 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,疑难解答,2. DNA 脱氧核糖核酸 DNA fingerprinting DNA指纹鉴定,Retell the passage :Would you like to say something about the famous exper

9、iment?,Cloning Dolly - created in Scotland other cloned animals DNA the same as be similar to exactly the same,Inventor Year A. Karl Benz a.1925 B. John Baird b.1876 C. Alexander Graham Bell c.1885,Listen to the tape, choose the correct answers and fill in the blanks.,A,C,B,c,b,a,当堂检测 一、词组互译,1.科技博物馆

10、_ 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。,be different from, take photos, be similar to, so far, the sameas,1.The weather in the USA_ that in Australia. 2.The student has made _ mistakes _ he d

11、id last time. 3.Digital camera is used for _. _, more and more teenagers in America have showed great interest in learning Chinese. 5.Group Threes opinions _ ours.,are similar to,the same,as,taking photos,is different from,So far,三、用所给词的适当形式填空。,1.It was used in our _ study.( day ) 2.The airplane is

12、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.,daily,todays,inventor,cloned,directed,was launched,四、根据句意及首字母提示写出单词。,1.Guglielmo Marc

13、oni 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.,nventor,ommunicate,reated,xperiment,imilar,idely,Homework: Make a survey about what your classmates want to clone and report to your class.,Bye!,