人教版必修五Unit1GreatscientistsReading课件.ppt--（课件中不含音视频）

1、Do you know any kind of science?math/maths/mathematics,physics,chemistry,biology,biochemistry,geography,astronomy,medical science,psychology,economy,Scientists people who work on scienceWho is the scientist?He is Archimedes(Archimedes(阿基米德阿基米德)He discovered that objects in water are lifted up by a f

2、loating force.You can tell the names in Chinese if you dont know their English names.He is He wrote a book explaining how animals and plants developed as the environment changed.Who is he?Charles Darwin.Charles Darwin.He is He used peas to show how physical characteristics are passed from parents to

3、 their children?Who is he?GregorGregor Mendel MendelWho is he?He is He invented the long-living bulb and the way of giving electricity to everybody in large cities.Thomas EdisonThomas EdisonWho is he?He is He put forward a theory about black holes.Stephen HawkingStephen HawkingWho is he?He did resea

4、rch in astronomy,and is father of Missile in China.He is Qian Xuesen.Who is he?NicolausNicolausCopernicusCopernicusHe believed the sun is the center of the universe and the earth and other planets goes around it.He is John SnowJohn Snow(1813-1858)John Snow was born in York on March 15th,1813.YorkLon

5、donHe graduated M.D.of the University of London on 20 Dec.1844.Dr.Snow was also a prominent anesthesiologist(麻醉师麻醉师).He designed a chloroform inhaler(氯仿吸入器氯仿吸入器).What was he most famous for?Question 1:What is cholera?Question 2:How did John Snow defeat“King Cholera?GermanyGreat BritainLondonThe spre

6、ad The spread of choleraof cholera 1831 1831年至年至18321832年，英国爆发霍年，英国爆发霍乱，造成约乱，造成约2.2 2.2 万人死亡。万人死亡。1848 1848 年年霍乱再次发生，死亡人数超过霍乱再次发生，死亡人数超过7.27.2万。万。draw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsFind supporting evidence7 stages in scientific research W

7、hats the right order of the 7 stages?a medicalscientistStage 1Find a problemA large number of people died of cholera,but neither its 1._ nor its 2._ was understood.Stage 2 Theory one:Cholera 3._ in the air and floated around until it found its victims.Theory two:When people 4._ cholera into their bo

8、dies with meals,their bodies were attacked.Stage 3 Began to gather information to 5._ that the second theory was correct.Stage 4Collect resultsMarked where the dead people had lived on a(n)6._.Stage 5 Looked into the 7._ of the water to see if the problem was the water.Stage 6 Found supporting evide

9、nce from two other deaths:Both of them died of cholera after 8._.Stage 7Draw a conclusion 9._ carried the virus.All the water supplies should be 10._.cause absorbed multipliedcuremap provesource drinking the water Polluted waterexaminedMake a questionThink of a methodAnalyse the resultsFind supporti

10、ng evidenceTask1：Fast reading7 stages in scientific research 7.draw a conclusion3.think of a method4.collect results2.make a question1.find a problem5.analyze the results6.find supporting evidenceLook at the picture.Do you think John Snow would have solved this problem without the map?Give a reason.

11、Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseextra evidence:A woman and her daughter who lived far away but drank the water also died.The water was from the river which had been polluted by the dirty water from London._ John Snow began

12、 to test two theories._ An outbreak of cholera hit London in 1854._ John Snow marked the deaths on a map._ He announced that the water carried the disease._ John Snow investigated two streets where the outbreak was very severe._ King Cholera was defeated._ He found that most of the deaths were near

13、a water pump._ He had the handle removed from the water pump.35681274Task 3.Post readingExercise1:Cholera was a 19th century disease.What disease do you think is similar to cholera today?Why?Exercise 2:Four diseases,which are similar today,are SARS,AIDS,bird flu and Ebola because they are serious an

14、d infectious,have an unknown cause and need public health care to solve them.Stage 1Find a problem Stage 2Make a question Stage 3Think of a method Stage 4Collect results Stage 5Analyse the results Stage 6Find supporting evidence Stage 7Draw a conclusion Stage 1Find a problemMy baby repeatedly ran a

15、fever last summer.It can be cured in hospital but its cause was unknown.Stage 2Make a question Theory one:Bacteria(细菌细菌)or virus existed in my babys living surroundings and found their victim.Theory two:When babies are 3 years old,their immune system get adjusted(免疫系统调节免疫系统调节)and they are easily att

16、acked by some diseases but theres no danger.Stage 3Think of a methodBegan to try physical treatment(物理疗法物理疗法)without going to hospital to test whether the second theory was right.Stage 4Collect resultsRecorded my babys body temperature changes and other daily behavior like eating and playing.Stage 5

17、Analyze the resultsLooked into the records and compared them with her normal state to see if the problem was the water.Stage 6Find supporting evidenceFound supporting evidence from two other babies:Both of them easily got ill around 3 years.Stage 7Draw a conclusion Nothing carried the virus or bacte

18、ria around my baby.It was a period when her immune system was adjusted and should be treated with physical methods rather than going to hospital every time.Stage 1Find a problemA large number of people died of cholera,but neither its 1._ nor its 2._ was understood.Stage 2 Theory one:Cholera 3._ in t

19、he air and floated around until it found its victims.Theory two:When people 4._ cholera into their bodies with meals,their bodies were attacked.Stage 3 Began to gather information to 5._ that the second theory was correct.Stage 4Collect resultsMarked where the dead people had lived on a(n)6._.Stage

20、5 Looked into the 7._ of the water to see if the problem was the water.Stage 6 Found supporting evidence from two other deaths:Both of them died of cholera after 8._.Stage 7Draw a conclusion 9._ carried the virus.All the water supplies should be 10._.cause absorbed multipliedcuremap provesource drinking the water Polluted waterexaminedMake a questionThink of a methodAnalyse the resultsFind supporting evidence