必修五-unit1-Great-scientists公开课课件.ppt

1、a prominent anti-SARS scientist.Do you remember them?I put forward the theory about black holes.Im the father of super hybrid riceUnit 1Unit 1Great Great scientistsscientistsArchimedes the first steam engineThomas Newcomen Archimedes principle Gregor Mendel electricity Madame Curie black holes in un

2、iverseFranklin RadiumSteven Hawking Inheritance(遗传遗传)Thomas Edison a lamp to keep miners safeHumphry Davy giving electricity to everyoneMatch the inventions with their inventors below.Q Answers1.2.3.4.5.6.7.8.9.10.ArchimedesCharles DarwinThomas NewcomenGregor MendelMarie CurieThomas EdisonLeonardo d

3、a VinciSir Humphry DavyZhang HengStephen Hawking common characteristicscautiouspersuasivestrictpositiveCo-operativecreativebrightenthusiasticFind out some common characteristics of these scientistsDraw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind s

4、upporting evidenceIf you are a scientist,how do you prove a new idea in scientific research?discussionJohn SnowWhat do you know about infectious diseases?What do you know about cholera?coronavirusHIVmeasles Read the text(P2-3)quickly and complete the main idea of it.The text is mainly about _ and ho

5、w he _.Johndefeated choleraSnowI.To prove a new scientific idea,seven stages are needed.Read the textcarefully and fill in the blanks.Stage 1 Find a problemThousands of people died of cholera,but nobody knew the 1._ of the serious disease.Stage 2 Make a question Theory one:Cholera 2._ in the air and

6、 floated around until it found its victims.Theory two:When people 3._ cholera into their bodies with meals,their bodies were attacked.absorbed multipliedcholeraStage 3 Think of a methodBegan to gather information to 4._ that the second theory was correct.Stage 4 Collect resultsMarked where the dead

7、people had lived on a(n)5._.Stage 5 Analyse the resultsLooked into the 6._ of the water to see if the problem was the water.map provesourceBroad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseThe water was from the river which had been pollute

8、d by the dirty water from London.Stage 6 Find supporting evidenceFound supporting evidence from two other deaths:Both of them died of cholera after 7._.Stage 7 Draw a conclusion 8._ carried the virus.All the water supplies should be 9._.drinking the water Polluted waterexaminedextra evidence:A woman

9、 and her daughter who lived far away but drank the water also died.Draw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceIf you are a scientist,how do you prove a new idea in scientific research?discussiondraw a conclusionfind a prob

10、lemmake up a questionthink of a methodcollect resultsanalyse the resultsFinding supporting evidence How to prove a new idea in scientific research?I.Number these events in the order that they happened._ John Snow began to test two theories._ An outbreak of cholera hit London in 1854._ John Snow mark

11、ed the deaths on a map.124_ 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 a water pump._ He had the handle removed from the water pump.35678We know from

12、the text that John Snow _.A.had collected information before cholera broke out B.felt not quite sure after he finished the mapC.helped the woman from Broad StreetD.became famous after defeating choleraI.Choose the best answer.2.Why did John Snow use a map in his research?A.It could help him find exa

13、ctly how many people died of cholera.B.It could help him find the source of drinking water for people.C.It could help him organize his ideas and find evidence.D.It could help him find his way in Broad Street.3.Why was cholera called“King Cholera”in the text?A.Because it caused many deaths.B.Because it got its name from Queen Victoria.C.Because it was defeated with the help of the King.D.Because it was the most deadly disease of its day.Homework1.Get more information about some infectious diseases and modern scientists.2.Finish the Exercises 1,2,3 on pages 3 and 4.