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1、ReadingReadingWho are they?Who are they?Guessing gameLets have a competition!Who is he?Who is he?He invented electric bulbs.He made more than 1,000 inventions duringhis life.He is Thomas EdisonThomas Alva EdisonGenius is one percent inspiration and ninety-nine percent perspiration.天才就是百分之九十九的汗水加上百分之
2、一的灵感天才就是百分之九十九的汗水加上百分之一的灵感天才就是百分之九十九的汗水加上百分之一的灵感天才就是百分之九十九的汗水加上百分之一的灵感.Who is he?Who is he?He is called the greatest scientist in the 20th century.He is famous for the Theory of Relativity.He is Albert EinsteinImagination is more important than knowledgeimaginativeWho is she?Who is she?She is a woma
3、n scientist.She discovered radium(镭镭)and polonium(钋钋).In her life,she won the Nobel Prize twice.She is Marie CurieNothing in life is to be feared.It is only to be understood.生活中没有什么可怕的东西生活中没有什么可怕的东西生活中没有什么可怕的东西生活中没有什么可怕的东西,只有需要理解的东西只有需要理解的东西只有需要理解的东西只有需要理解的东西.Who is he?Who is he?He made the first te
4、lescope in the world.His observations show that the earth movesaround the sun.He is Galileo GalileiYou cannot teach a man anything.You can only help him find it within himself.你不可能把一切都教给一个人，你不可能把一切都教给一个人，你不可能把一切都教给一个人，你不可能把一切都教给一个人，你只能帮助他从内心去发现（和了解）事物你只能帮助他从内心去发现（和了解）事物你只能帮助他从内心去发现（和了解）事物你只能帮助他从内心去发
5、现（和了解）事物。1.Which scientist discovered that objects in water are lifted up by a force that helps them float?ArchimedesIts2.Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin3.Who invented the first steam engine?steam engineIts used for taking water
6、out of mines.James Watt4.Who used peas to show how physical characteristics are passed from parents to their children?Gregor MendelIts used in the treatment of some diseases,especially cancer.radiumWhats this?5.Who discovered radium?Marie Curie6.Who invented the way of giving electricity to everybod
7、y in large cities?Thomas Edison7.Who was the painter that studied dead bodies to improve his painting of people?Leonardo da vinci8.Who invented a lamp to keep miners safe underground?Sir Humphry Davy9.Who invented the earliest instrument to tell people where earthquakes happened?Zhang Heng10.Who put
8、 forward a theory about black holes?Draw a conclusionThink of a methodCollect resultsMake up a questionFind a problemAnalyse the resultsFind supporting evidenceWhat order do you put them in?Why?Think of a methodAnalyse resultsMake up a questionFind a problemFind supproting evidenceCollect the result
9、Draw a conclusionWhat do you know about infectious diseases?a kind of infectious diseasesWhat do you know about cholera?a serious infection of the bowels caused by drinking infected water or eating infected food,causing diarrhoea(腹泻腹泻),vomiting(呕吐呕吐)and often death.霍乱霍乱GermanyGreat BritainDeath of f
10、irst cholera case in London during the 1848-49 epidemic LondonPrevious cholera epidemic in Great Britain in 1831-32The spread of choleraDo you know what did this map was used for in 1854?Finding out the cause of Cholera.John SnowBritish(1813 1858)British(1813 1858)a legendary(a legendary(传奇的传奇的)figu
11、re in the history of figure in the history of public health,public health,epidemiologyepidemiology（流行病学）（流行病学）and anesthesiologyand anesthesiology（麻（麻醉学）醉学）Read the text quickly and complete the main idea of it.The text is mainly about _ and how he _.Johndefeated choleraSnow Task one:skim and scan1.
12、Who defeats“King Cholera“?2.What happened in 1854?3.How many people died in 10 days?John SnowCholera outbreak hit London.5004.Why is there no death at No.20 and 21 Broad Street as well as at No.8 and 9 Cambridge Street?These families had not drunk the water from the Broad Street pump.A map of Broad
13、StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseDraw a conclusionFind a problemMake up a questionThink of a methodCollect resultsAnalyse the resultsPara 1Para 2Para 3Para 4Para 5Para 6Match themAnalyse results
14、Para 7Match the stages of scientific research with what John Snow did to solve the problem of cholera.1.Find a problem.2.Make a question.He noticed two possible theories which explained how cholera spread.He wanted to face the challenge of cholera and find the cause.3.Think of a method.4.Collect res
15、ults.5.Analyse the results.He found that the water came from a polluted river and cholera was spread by germs.He thought the second idea was correct and decided to prove it.He marked the death places on a map and found out many deaths occurred near the water pump.6.Find supporting evidence.7.Draw a
16、conclusion.He found that the family who used piped water from Broad Street died.He announced that polluted water carried the virus.About JohnSnowHe was a famous _ and Queen Victorias personal physician.He made up his mind to solve the problem of _.Two theoriesTheory 1:Cholera was spread by _.Theory
17、2:The disease went into peoples bodies throughtheir _.His suspicionHe thought that the _ theory was correct.doctorcholeraairmealssecondWhat he did to prove hisassumptionEvidence 1:He _ the places on a map where the dead people lived and found the deaths were near the water pump in Broad Street.Evidence 2:He looked into the sourceof the water and found it came from a(n)_ river.When the water was cut off,the disease _.Evidence 3:A woman and _ _ used the water from Broad Street pump and died.markedpollutedslowed downherdaughterConclusionPolluted water carried the _virus