必修五5_unit1_Great_Scientists_reading_精品课件_公开课课件.ppt

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1、GreatscientistsUnit1WarmingupWhatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost?Areyouready?Let’sgo!1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?ArchimedesIt’s…GivemeaplacetostandandIwillmovetheworld!2.Whowroteabookexplaininghowanimalsandplan

2、tsdevelopedastheenvironmentchanged?CharlesDarwin3.Whoinventedthefirststeamengine?JamesWatt4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendelradium5.Whodiscoveredradium?MarieCurieThomasEdisonHeinventedthewayofgivingelectricitytoeverybodyinlargecities.7.Whow

3、asthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?Leonardodavinci8.Whoinventedalamptokeepminerssafeunderground?SirHumphryDavy9.Heinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened.ZhangHeng10.Whoputforwardatheoryaboutblackholes?Pre-reading:DrawaconclusionThinkofamethodCol

4、lectresultsMakeaquestionFindaproblemAnalyseresultsFindsupportingevidencePutthephrasesonpage1incorrectorder.得出结论找到方法收集材料提出问题（形成主题）发现问题分析材料找到确实证据JohnSnowdefeats“KingCholera”ReadingAbriefintroductionofcholeraBroadStreetItbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.5oodeaths

5、in10daysin1854inLondon.Spreadfromonepersontoanother.SoitisaninfectiousDisease.1.SkimmingWhat’sthemainideaofthepassage?JohnSnowwasawell-knowndoctorinLondon.ThecauseofCholerawaspollutedwater.Thesourceofalldrinkingwatershouldbeexamined.HowJohnSnowcollected,analyseddataandfoundthecauseofthediseaseandso

6、lvedit.Whatistheproblem?Thecholerawasthemostdeadlydiseaseofitsday.Neitheritscause,noritscurewasunderstood.Paragraph1makeaquestion:Whichtheorytobelievein?idea1idea2Choleramultipliedintheairwithoutreason.Acloudofdangerousgaswouldfloatarounduntilitfounditsvictims.Peopleabsorbeditwiththeirmeals.Paragra

7、ph2AmapofBroadStreetWhatmethoddidheuse?BroadStreetManydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseParagraphs3+4analyzetheresults:Whathappenedtothepumpwater?Thewaterwasfro