最新人教版高中英语必修五高中英语必修5Unit1-Great-scientists课件公开课课件

Unit1GreatscientistsWhoarethey?GuessinggameWhoishe?Hehasmadeafamouskiteexperiment.Helearnedalotfromitandinventedlightningrod(避雷针).Heis…BenjaminFranklinNeverleavethatuntiltomorrow,whichyoucandotoday.今日事,今日毕。Whoishe?Heiscalledthegreatestscientistinthe20thcentury.HeisfamousfortheTheoryofRelativity.Heis…AlbertEinsteinImaginationismoreimportantthanknowledgeimaginativeWhoishe?Hemadethefirsttelescopeintheworld.Hisobservationsshowthattheearthmovesaroundthesun.Heis…GalileoGalileiYoucannotteachamananything.Youcanonlyhelphimfinditwithinhimself.你不可能把一切都教给一个人,你只能帮助他从内心去发现(和了解)事物。Whatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost.1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Archimedes(287-212BC)anancientGreekmathematician&physicist2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin(1808-1882)BritishauthorofTheOriginofSpecies3.Whoinventedthefirststeamengine?ThomasNewcomen4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendel(1822-1884)Czech(捷克人)MarieCurieNothinginlifeistobefeared.Itisonlytobeunderstood.生活中没有什么可怕的东西,只有需要理解的东西。5.Whodiscoveredradium?ThepowerofradiumThomasAlvaEdisonGeniusisonepercentinspirationandninety-ninepercentperspiration.天才就是百分之九十九的汗水加上百分之一的灵感。6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?TheInventionsofThomasEdisonPhonograph(留声机)Lightbulb(电灯泡)MotionPictures(电影)7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?LeonardodaVinci(1452-1519)ItalianartistLastSupperMonaLisa8.Whoinventedalamptokeepminerssafeunderground?SirHumphryDavy(1778-1829)BritishMiniature(小型的)Miner'sSafetyLamptheSafetyLamp9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengseismograph10.Whoputforwardatheoryaboutblackhole?StephenHawking(1942---)BritishABriefHistoryofTimemadeagreatcontribution.madegreatachievements.succeededintheirscientificcareer.overcomemanydifficulties.commoncharacteristicscautiousstrictpositiveCo-operativebrightenthusiasticPre-reading1.Whatimpressesyoumostin2003?WhichpersonimpressesyoumostduringtheSARS?Whatotherinfectiousdiseasesdoyouknow?Forexample:Whenyoueatsomefoodthatisnotfresh……Youmayfeel……Maybeyouhavegot________.CholeradrawaconclusionthinkofamethodcollectresultsmakeaquestionfindaproblemanalysetheresultsfindsupportingevidencefindaproblemmakeaquestionthinkofamethodcollectresultsanalysetheresultsdrawaconclusionHowtoproveanewideainscientificresearch?findsupportingevidenceJohnSnowdefeats“Kingcholera”JohnSnowdefeats“kingcholera”Whatcanyoulearnfromthetitle?人物：事件：defeatscholeraWhoisJohnSnow?attendedherasherpersonalphysicianQueenVictoriaJohnSnow约翰.斯诺(1813~1858),英国麻醉学家、流行病专家。他首次提出了预防霍乱的措施。1854年,伦敦霍乱流行,斯诺通过研究霍乱病死者的日常生活情况,寻找到他们的共同行为模式,发现了霍乱与饮用不洁水的关系,由于及时切断了二者的联系,有效制止了霍乱的流行。Fouroutbreaksofcholerainthe1830sand1840skilledmanypeopleinEngland.In1854,“themostterribleoutbreakofcholerawhicheveroccurredinthekingdom”began.Itwassoviolentandsuddenthat127peoplediedinthefirstthreedays.TheterriblecholeraNameofillnesscholera(霍乱)Symptom(症状)severevomiting(呕吐)anddiarrhoea(腹泻)Aftereffect(后果)diequicklyfromalossofliquidWhatwasthecauseofthisillness?HowdidJohnSnowfinditout?Skimthetextandfindthemainideaofthetext.Thepassageismainlyabout:_______________________________________________________HowJohnSnowfoundthecauseofthecholeraanddefeatedit.Fast—reading:Readthepassagequicklyandfindthenumberbelowandtherelevanthappeningsinthepassage.TwotheoriesIn1854500,10Thefirstsuggestedthat…multipliedintheair;Thesecondsuggested…absorbedthisdiseaseintotheirbodieswiththeirmeals.AnotheroutbreakhitLondon.Morethan500peoplehaddiedin10days.16,37,38and4020,21;8,97ThesenumbersinBroadStreetnearthewaterpumphadmanyofthedeaths20and21BroadStreetand8and9CambridgeStreethadnodeaths….Theydidn’tdrinkthewaterfromtheBroadStreetpump.Thesefamiliesworkedinthepubat7CambridgeStreet.Readthepassageandnumbertheseeventsintheorderthattheyhappened.JohnSnowbegantotesttwotheories.AnoutbreakofcholerahitLondonin1854.Heannouncedthatthewatercarriedthedisease.JohnSnowmarkedthedeathsonamap.2147Careful—reading:KingCholerawasdefeated.Hefoundthatmostofthedeathswerenearawaterpump.Hehadthehandleremovedfromthewaterpump.JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.3856Para-graphStagesinanexperimentExampleinthisinvestigation1Findaproblem2Makeaquestion3ThinkofamethodWhatcausecholera?Whichtheoryiscorrect?Collectdataonthosewhowereillordiedandwheretheygottheirwater.Fillintheblanks.4Collectresults5Analyseresults6findsupportingevidence7DrawaconclusionPlotinformationonamaptofindoutwherepeoplediedordidnotdie.Analysethewatertoseeifthatisthecauseoftheillness.Findotherevidencetosupporttheanalysis.Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.drawaconclusionfindaproblemmakeaquestionthinkofamethodcollectresultsanalysetheresultsrepeatifnecessaryMatchthemPara1Para2Para3Para4Para5Para6Para7PreventionofCholera1.JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?KEY:JohnSnowfinallyprovedhiside