英语：UNIT1 GREAT SCIENTISTS课件2（新人教版必修5）.ppt

1、There are some great scientific achievements that have changed the world.Can you name some of them?What kind of role do they play in the field of science?Do these achievements have anything in common?Match the inventions with their inventors below before you answer all these questions.Warming Up:Ale

2、xander Bell electricity Thomas Edison the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of RelativityQuiz Questions(P1)阿基米德(Archimedes)Charles DarwinThomas Newco

3、menGregorMendelMarie CurieThomas EdisonLeonardo da VinciHumphry Davy张衡Stephen HawkingPre-reading:Pair work:Task 1.What do you know about infectious diseases?Task 2.What do you know about cholera?While-reading:John Snow Defeats King Cholera1.What does the title imply?2.Predict what the text is about

4、after reading the title and the first paragraph.3.Guess what kind of person John Snow was by analyzing the key words in the first paragraph.While-reading:Questions1.What do you know about Dr.John Snows being well-known in London?(He attended Queen Victoria to ease the birth of her babies.).2.From wh

5、at disease did Londoners suffer in his age?(They exposed themselves to cholera.).3.When did Dr.Snow think the disease wouldbe controlled?(He knew he would never be controlled until its cause was found.)4.What was the second theory explaining how the disease killed people?(People absorbed this diseas

6、e into their bodies with their meals.)5.Did the map which Dr.Snow draw help find the cause of the disease?(The map gave a valuable clue about the cause of the disease.)6.What did Dr.Snow think was responsible for the disease?(It seemed the water was to blame.)7.What did Dr.Snow advised the people in

7、 Broad Street do?8.What else did Dr.Snow find in another part of London that were linked to the Broad Street outbreak?(In addition,he found 2 other deaths.)9.What conclusion did Dr.Snow tell the public?(He announced that polluted water carried the disease.)10.What did Dr.Snow tell the water companie

8、s?(They were instructed not to expose people to polluted water anymore.)Post-reading:Work in groups of four and discuss the following questions:1).What should you do if youre traveling to a country that has a cholera outbreak according to Snows theory?2.)What spirit can we find in John Snow?As a stu

9、dent,what should we learn from him?While-reading:Scanning:1.Read the passage and try to put the correct stages into the reading about research into a disease.A.draw a conclusion B.think of a method B.C.collect results D.make up a question E.find a problem F.analyse the results G.find supporting evid

10、ence H.repeat if necessaryKeys:EDBCFGAPeriod 2 Comprehending&learning about language.1.Task 1 Fill in the chart after reading the passage.Scientific report by John SnowThe problemThe causeIdea 1:Idea 2:The methodThe resultsIdea 1or 2?Why?The conclusion2.Read the passage again and answer these questi

11、ons.1).Cholera was a 19th century disease.What disease do you think is similar to cholera today?2).John Snow believed Idea 2 was right.How did he finally prove it?3).Do you think John Snow would have solved this problem without the map?Give a reason.-Look at the excited boy!Why is he so happy?-He ha

12、s got the first prize in the contest.-No wonder he is excited!Discovering useful structuresPast Participle as the PredicativeExample:But he became inspired when he thought about helping ordinary people.More examples:He got interested in two theories explaining how cholera killed people.Neither its c

13、ause,nor its cure was understood.过去分词作表语一般用来表示感受或状态（系动词+过去分词)No wonder he is excited!(predictive)可以用作表语的常见的过去分词有：delighted,disappointed,upset,astonished,excited,frightened,experienced,interested,qualified,puzzled,exhausted,satisfiedPast Participle as the AttributeExamples:So many thousands of terrif

14、ied people died.Doctor John Snow was a well-knowndoctor in London.John Snow told the astonished people in Broad Street.过去分词作定语：1.分词可以用作前置定语，此时，分词和名词之间有两种语意关系：一种是分词表示主动（但时间上已经过去）；一种是分词表被动。He is a retired worker.他是一个退休工人。This is a newly-developed device.这是一个新开发的工具。2.过去分词作后置定语时，其功能当于一个定语从句。1)But he bec

15、ame inspired when he thought about helping ordinary people exposed to cholera.2)With this evidence John Snow was able to announce with certainty that polluted water carried the disease过去分词短语有时亦可用作非限制性定语，前后常有逗号。Some of them,born and brought up in rural villages,had never seen a train.他们当中有一些人,生长在农村，从

16、未见过火车。Period 3 Listening and speaking神舟6号神舟6号费俊龙聂海胜被授予英雄航天员荣誉称号神舟6号Qian Xuesen,who has made great contributions to the development of Chinas space industry,is one of the best-known scientists in China.His work has been very important for the development of China.Listen to the tape and fill in the bl

17、anks.AstronomerstarsMarsSpace industryrocketengineerAmerica ChinadesignBuildspace flight satellitesLandastronautpictureFatherherogradesAnswer the questions1.What did Qian Xuesen study first?2.What experience did he get in America that was very useful for China?Qian Xuesen first studied to be an engi

18、neer.In America he began to work on space rockets so that he was able to develop a space programme when he came back to China.3.What was Qian Xuesens achievement when he returned to China from America?When Qian Xuesen returned to China he set up a Space Institute to begin training people in how to d

19、esign and build rockets.4.How has he been honored in China?In China he has been honored as“the father of the space programme”.5.How would Steve honor him?Steve Smith suggested putting QianXuesens picture on Mars when the first Chinese astronaut lands there.Period 4 Reading,writing and learning tips

20、CopernicusPre-readingWe know the first scientist is Copernicus.He was one of the first scientists to use mathematical observations to collect information.He believed the sun is the center of the universe and the earth and other planets went around it.The chart on P.7 shows his theory.Copernicus Revo

21、lutionary TheoryBirth:February 19,1473Death:May 24,1543Place of Birth:Toru,PolandCareer:1491-1494 Studied mathematics at Krakw Academy1496 Went to Italy to study astronomy and law at the University of Bologna1497 Began observations of the Sun,Moon,and planets 1514 Wrote Commentariolus,an outline of

22、his astronomical ideas,but did not circulate it widely1543 Published De Revolutionibus Orbium Coelestium(On the Revolutions of the Celestial)Read the passage and find the experiences of Copernicus:Read through the passage,and tell whether the following statements are true or false.1.At Copernicus ti

23、me,Christian Church was in charge of many western countries.2.Copernicus noticed that observed from the earth,some planets appears in front of or behind the earth.3.Copernicus didnt show his new theory to his friends until he completed it.4.His friends were not interested in his ideas.5.Since he was

24、 not afraid of being attacked by the Church,Copernicus published his book as soon as he finished working on it.6.Newton,Einstein,and Hawking are all scientists who made contribution to the study of the universe.TFTFFTRead carefully and try to draw the two theories of the universe.Before Copernicus t

25、heoryShowing Copernicus theoryThe Earth was stationary at the center of the solar system,and the Sun and planets revolved around it.The Sun is stationary at the center of the solar system,and the Earth and the other planets orbit around it.Analyze the following picture carefully and try to explain h

26、ow a loop is formed.Reading task on P45“Seven Bridges of Konigsberg”and the famous“Euler path”.Skimming:Whats Eulers puzzle?Scanning:How did Euler prepare for his research?What are the theories?Look at the following pictures and draw a conclusion:ConclusionEulers theory(一笔画)可以一笔画只有两种情况：1.没有奇数顶点。2.只有两个奇数顶点。如对此问题有兴趣的同学可登录：http:/www.e- qualities make a good scientist?