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

greatscientists,unit1,warmingup,whatdoyouknowaboutgreatscientists?trythisquizandfindoutwhoknowsthemost?,areyouready?letsgo!,1.whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,archimedes,its,givemeaplacetostandandiwillmovetheworld!,2.whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,charlesdarwin,3.whoinventedthefirststeamengine?,jameswatt,4.whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?,gregormendel,radium,5.whodiscoveredradium?,mariecurie,thomasedison,heinventedthewayofgivingelectricitytoeverybodyinlargecities.,7.whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,leonardodavinci,8.whoinventedalamptokeepminerssafeunderground?,sirhumphrydavy,9.heinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened.,zhangheng,10.whoputforwardatheoryaboutblackholes?,pre-reading:,drawaconclusionthinkofamethodcollectresultsmakeaquestionfindaproblemanalyseresultsfindsupportingevidence,putthephrasesonpage1incorrectorder.,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”,reading,abriefintroductionofcholera,broadstreet,itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.,5oodeathsin10daysin1854inlondon.,spreadfromonepersontoanother.soitisaninfectiousdisease.,1.skimmingwhatsthemainideaofthepassage?johnsnowwasawell-knowndoctorinlondon.thecauseofcholerawaspollutedwater.thesourceofalldrinkingwatershouldbeexamined.howjohnsnowcollected,analyseddataandfoundthecauseofthediseaseandsolvedit.,whatistheproblem?,thecholerawasthemostdeadlydiseaseofitsday.neitheritscause,noritscurewasunderstood.,paragraph1,makeaquestion:whichtheorytobelievein?,idea1,idea2,choleramultipliedintheairwithoutreason.acloudofdangerousgaswouldfloatarounduntilitfounditsvictims.,peopleabsorbeditwiththeirmeals.,paragraph2,amapofbroadstreet,whatmethoddidheuse?,broadstreet,manydeathshappenedhere.,nodeathhappenedhere.,thewaterfromthepumpwastoblame.,publichouse,paragraphs3+4,analyzetheresults:whathappenedtothepumpwater?,thewaterwasfromtheriverwhichhadbeenpollutedbythedirtywaterfromlondon.,paragraph5,findsupportingevidence:whatextraevidencedidhefind?,twootherdeaths,awomanandherdaughterwholivedfarawaybutdrankthewateralsodied.,drawaconclusionwithcertainty,thepollutedwatercarriedthedisease.,paragraphs6+7,1.drawaconclusion:(得出结论)2.thinkofamethod:(找出研究方法)3.collectresults:(收集材料)4.makeaquestion:(形成研究主题)5.findaproblem:(发现问题)6.analyseresults:(分析材料)7.findsupportingevidence(找到能确证的证据),5,4,2,3,6,7,1,stagesinexamininganewscientificidea:,drawaconclusion,findaproblem,makeaquestion,thinkofamethod,collectresults,analysetheresults,findsupportingevidence,para1,para2,para3,para4,para5,para6,para7,whatshouldwepayattentiontoinourdailylifeinordernottogetinfectedwithalltheseinfectiousdiseases?,healthefoodleftovernigh