新人教版必修五Unit1Reading課件

1、Unit 1 Great scientists-By JoyceAlexander Bell electricity Thomas Edison the First telephoneWright Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of RelativityScientists & Contributio

2、ns:John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”.Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.Cholera: It

3、begins in the stomach and a severe case can lead to death without immediate treatment. And the victims died very quickly from a loss of liquid after severe vomiting(嘔吐) and diarrhoea(腹瀉).? The causes of cholera? The correct or possible theory? Collect data on those where people were ill and died? Pl

4、ot information on a map to find out where people died or did not die? Analyse the water to see if that is the cause of the illness.? Find other evidences to confirm his conclusion? The advice of John Snow about how to solve the problemJohn Snow Defeats “King Cholera”What causes cholera?Which theory

5、is correct?Collect information on those who were ill or died and where they got their waterMark information on a map to find out where people died or did not diedAnalyse the water to see if that is the cause of the illnessFind other evidence to make sure the conclusionThe water is to blame. The sour

6、ce of all drinking water should be examined.Careful Reading:John Snow was an doctor in London who _Queen Victoria as her personal . He thought about helping ordinary people _to cholera. Though the cause and the of it were unknown, he wanted to face the_ and solve the problem. para.1expertattendedphy

7、sicianexposedcurechallengeCareful Reading:What were the two theories about the cause of cholera? Which did John Snow want to prove?What was his method of doing the research?multiplied victimsabsorb The second one.To gather information in two particular streets.para.2&3Careful Reading:para.4What did

8、he do with the results of his enquiry?What valuable clue did he get about the cause of the disease?What might be the cause?Marked on a mapMany of the deathshad no deaths.It seemed that the water was to blame for cholera.Many of the deaths were near the water pump in Broad Street.deathPart of Snows C

9、holera MapCareful Reading:para.5Why did he tell people to remove the handle from the pump?What happened after the handle was removed?So that slowed downCareful Reading:para.6&7Where did the woman live and what did she had delivered to her house every day?What did their deaths suggest?What measures d

10、id John Snow take to prevent the disease from spreading?Away from Broad StreetWater from the pumpThe polluted water carried the virus.suggested thatbe examinedwere instructed not to exposetodraw a conclusion Think of a method Collect results Make a questionFind a problem Analyse the results Find sup

11、porting evidenceStages in setting out a new scientific idea:DicussingJohn Snow Defeats “King Cholera”The passage is written as a report of an experiment and there are 7 steps:1.Find a problem:(發(fā)現(xiàn)問題)2.Make up a question:(形成研究主題)3.Think of a method:(找出研究方法)4.Collect results:(收集材料)5.Analyse results:(分析

12、材料)6.Repeat if necessary:(必要時重新分析)7.Draw a conclusion:(得出結(jié)論)Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He