Unit1Warmingup&reading.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,What do you know about great scientists?Try this quiz and find out who knows the most.,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?,B.Archimedes,C.Thomas Edison,A.Charles Darwin,2.Who wrote a book explaining how animals and plants developed as the environment changed?,A.Marie Curie,C.Charles Darwin,B.,Gregor,Mendel,3.Who invented the first steam engine?,A.Thomas,Newcomen,C.,Thomas,Edison,B.Archimedes,4.Who used peas to show how physical characteristics are passed from parents to their children.,A.Thomas Edison,C.Archimedes,B.,Gregor,Mendel,5.Who discovered radium?,A.Marie Curie,C.Newton,B.Zhang,Heng,6.Who invented the way of giving electricity to everybody in large cities?,A.Stephen Hawking,C.Thomas Edison,B.Archimedes,7.Who was the painter that studied dead bodies to improve his painting of people?,A.,Gregor,Mendel,C.Marie Curie,B.Leonardo,da,Vinci,8.Who invented a lamp to keep miners safe underground?,A.Sir,Humphry,Davy,C.Faraday,B.Thomas,Newcomen,9.Who invented the earliest instrument to tell people where earthquakes happened?,A.Charles Darwin,C.Watt,B.Zhang,Heng,10.Who put forward a theory about black holes?,A.Stephen Hawking,C.Copernicus,B.Archimedes,similarities,careful,hard-working,strict,positive,talented,creative,bright,strong-willed,What should scientists do to prove a new idea in scientific research?,Pre-reading,Draw a conclusion,Think of a method,Collect results Make a question,Find a problem,Analyse,the results,Find supporting evidence,What order would you put them in?,Find a problem,Make a question,Think of a method,Collect results,Analyse the results,Find supporting,evidence,Draw a conclusion,What,infectious diseases,do you know?,How do they spread from one person to another?,smallpox(,天花）,chickenpox,（水痘）,SARS(,非典）,Do you know anything about,cholera?,It was caused by drinking dirty water.,It caused a lot of deaths in the old times in Europe.,John Snow,Who helped to defeat the disease?,The structure of the text,Part One (1),Introduction of John Snow and Cholera,Part Two (2-6),How John Snow found the source of Cholera,Part Three (7),Cholera was defeated at last,1 Why couldnt cholera be,under control,at first?,2 Which theory did John Snow believe in?,3 John Snow finally proved the theory 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,Comprehending,1 Why couldnt the cholera be under control at first?,2 Which theory did John Snow believe in?,Neither,its cause,nor,its cure was understood,.,People absorbed cholera into their bodies with their meals.,3 John Snow finally proved the theory 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,fill in this form:,Steps:,What/How?,1.Find a problem,2.Make a question,3.Think of a method,4.collect results,5.Analyse the results,6.Find supporting evidence,7.Draw a conclusion,Steps:,What/How?,1.Find a problem,2.Make a question,3.Think of a method,4.collect results,John Snow Defeats“King Cholera”,What causes cholera?,Which theory is correct?,using a map,Mark the deaths on the,map,6.Find supporting evidence,7.Draw a conclusion,5.Analyse the results,find out the reasons for deaths,Find other evidence to make sure the conclusion,Polluted water carried the disease,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,19,th,cause,defeat,broke,marked,pump,source,examined,dealing,