unit1reading1.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 1 Great Scientists,Warming up&reading,What do you know about great scientists?Try the quiz on P1 and find out who knows the most.,Warming up,Task 1,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?,Archimedes,(287-212 BC),an ancient Greek,mathematician&physicist,2.Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin(1808-1882),British author of,The Origin of Species,3.Who invented the first steam engine?,Thomas,Newcomen,(1663-1729)British,improved the first steam pump and turned it into a steam engine for taking water out of mines in 1712.,4.Who used peas to show how physical characteristics are passed from parents to their children?,Gregor,Mendel,(1822-1884)Czech(,捷克人,),5.Who discovered radium?,Marie Curie(1867-1934)(Polish and French,won two Nobel Prizes),6.Who invented the way of giving electricity to everybody in large cities?,Thomas Edison(1847-1931),an,American inventor,Thomas Edison,The Inventions of Thomas Edison,Phonograph,留声机,Lightbulb,Motion Pictures,7.Who was the painter that studied dead bodies to improve his painting of people?,Last Supper,Mona Lisa,Leonardo,da,Vinci,(1452-1519)Italian artist,8.Who invented a lamp to keep miners safe underground?,Sir,Humphry,Davy,(1778-1829)British,Miniature Miners Safety Lamp,9.Who invented the earliest instrument to tell people where earthquakes happened?,Zhang,Heng,(78-139)Chinese,invented seismograph,10.Who put forward a theory about black holes?,Stephen Hawking,(1942-),a British astronomer,Do you know what did this map was used for in 1854?,Finding out the cause of Cholera.,At Copernicus time,Christian,Church,was in charge of many western,countries.,T,判断对错,2.Copernicus noticed that observed from the earth,some planets appears in front of or behind the earth.,F,3.,His,friends were not interested in his,ideas.,F,5.Since he was 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.,F,T,Pre-reading,1.What five most important qualities do you think a scientist should have?Give reasons.,careful clever strict patient,creative strong-willed honest,serious intelligent humorous,ambitious generous,Task 2,2.Do,you know John Snow?,3.Do,you know what kind of disease is cholera?,John Snow is a well-known doctor in the 19th century in London and he defeated“King 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 defeatLets get to know how Dr.John Snow defeated“King Cholera”in 1854 in London in this reading,passage,:,John Snow Defeats“King Cholera”,Do you know what did this map was used for in 1854?,Finding out the cause of Cholera.,Who defeats“King Cholera“?,What happened in 1854?,How many people died in 10 days?,Why is there no death at No.20 and 21 Broad Street as well as at No.8 and 9 Cambridge Street?,John Snow,Cholera outbreak hit London.,500,These families had not drunk the water from the Broad Street pump.,1.Skim,and Scan,Task 4,2.Read,and answer,1 Why couldnt the cholera be under control at first?2 Which theory did John Snow believe in?,3 John Snow finally proved the theory he believed by _.,A.gathering information with the help of a map,B.looking into the source of the water for Broad Street and Cambridge Street,C.Separating those who suffered cholera from those who didnt,D.Both A and B,4 To prevent the cholera from spreading again,what did John Snow do?,1 Why couldnt the cholera be under control at first?,2 Which theory did John Snow believe in?,Neither its cause,not its cure was understood.,People absorbed cholera into their bodies with their meals.,3,John Snow finally proved the theory he believed by _.,A.gathering information with the help of a map,B.looking into the source of the water for Broad Street and Cambridge Street,C.separating those who suffered cholera from those who didnt,D.both A and B,4 To prevent the cholera from spreading again,what did John Snow do?,Suggested that the source of all water supplies be examine.,Suggested that new methods of dealing with polluted water be found.,Instructed the water companies not to expose people to the polluted water anymore.,3.The,passage is written as a report of an experiment and there are,7,steps,:(Page1,Pre-reading 2),1.Find a problem:(,发现问题,),2.Make up a question:(,形成研究主题,),3.Think of a method:,(,找出研究方法,),4.Collect results,:(,收集材料,),5.Analyse results:(,分析材料,),6.Repeat if necessary:(,必要时重新分析,),7.Draw a conclusion:(,得出结论,),Mind Map of the text,John Snow Defeats“King Cholera”,Paragraph 1:Introduction of John Snow and Cholera,Paragraph 2:Two,theories,Find a Problem:What,causes,the cholera?,Make a question:Which is right?,Paragraph 3-5:Study of the breakout in 1854,Paragraph 3:Study of the breakout in 1854,Think of a method:Test two,theories,Collect the result:Mark,the death,Analyse,the result:Reason for death and no death,Paragraph 4:Study of the breakout in 1854,Paragraph,5-6:,Study of the breakout in 1854,Analyse,the result:Find the resource of the water,Repeat if necessary:Find more evidence.,Draw a conclusion:Cholera was spread by germ,polluted,water carried cholera,Paragraph 6:Prevention of Cholera,John Snow,defeats,King Cholera,4.Read,the passage again and finish Ex.1(Page 3).,The problem,The cause,Idea 1:,Idea 2:,The method,Scientific Report by John Snow,Nobody knew the cause of the serious disease of cholera,a strange cloud of gas found its victims,people absorbed the disease with meals,Collect information from the cholera outbreak to prove which theory was correct,The results,Idea 1 or 2?Why?,The conclusion,He found the cause of cholera was the polluted water,Idea 2.Because the information showed that the dirty water carried cholera,He defeated cholera by examining the water supply and dealing with the polluted water,5.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 suggested that the _ of all water supply be _ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.,doctor,19th,cause,defeat,brokemarked,pump,source,examined,dealing,Discussion,Cholera was a 19th century disease.What disease do you think is similar to cholera today?Why?,Task 5,Assignment,Surf the Internet to find more information about infectious diseases.,Read the passage again and find out all the useful words and expressions.,