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ID:56311760
大小:3.85 MB
页数:19页
时间:2020-06-11
《【创新方案】高中英语 Module4 Section Ⅰ Introduction & Reading Pre reading课件 外研版必修4.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Module4SectionⅠStep1Step2Step3Step4Step51.Howmanyscientistscanyouname?Doyouknowtheirinventionsordiscoveries?2.Whatmakesapersonascientist?Whatmakesapersonascientist?Doeshehavewaysortoolsoflearningthataredifferentfromthoseofothers?Theansweris“no”.Itisnotthetoolsasci
2、entistusesbuthowheusesthesetoolsthatmakeshimascientist.Youwillprobablyagreethatknowinghowtouseapowerisimportanttoacarpenter(木匠).Youwillprobablyagreetoo,thatknowinghowtoinvestigate(调查),howtogatherinformation,isimportanttoeveryone.Thescientist,however,goesonestepfur
3、ther:hemustbesurethathehasareasonableanswertohisquestionandthathisanswercanbemadecertainbyotherpersons.Healsoworkstofittheanswershegetstomanyquestionsintoalargesetofideasabouthowtheworldworks.Thescientist'sknowledgemustbeexact.Thereisnoroomforhalfrightorrightjusth
4、alfthetime.Hemustbeasnearlyrightastheconditionspermit.Whatworksunderonesetofconditionsatonetimemustworkunderthesameconditionsatothertimes.Iftheconditionsaredifferent,anychangesthescientistseesandnoticesinanactofprovingmustbeexplainedbythechangesintheconditions.Thi
5、sisonereasonwhyinvestigationsareimportantinscience.AlbertEinstein,whodevelopedthetheoryofrelativity,arrivedatthistheorythroughmathematicsormaths.Theaccuracy(正确性)ofhismathematicswaslatertestedthroughinvestigations.Einstein'sideaswereshowntobecorrect.Ascientistusesm
6、anytoolsformeasurements.Thenthemeasurementsareusedtomakemathematicalcalculations(计算)thatmaytesthisinvestigations.IntroductionAreyoufamiliarwiththescientistsinthefollowingpictures?Doyouknowtheirmainachievements?Pleasematchthefollowinginformationwiththescientists.1.
7、MarieCuriea.TheSecretofSuccess:A=X+Y+Z.Xstandsforhardwork,Yforgoodmethods,andZmeansstoppingtalkingandgettingdowntowork.2.Archimedesb.FatherofChina'saerospace;Kingofrockets3.Newtonc.IfIhaveseenalittlefurtheritisbystandingontheshouldersofgiants.4.AlbertEinsteind.Giv
8、emealeverlongenoughandaplacetostand,andIwillmovetheworld.5.QianXuesene.Scienceisbeyondnationalities,classesandraces.答案:1.C,e2.A,d3.B,c4.D,a5.E,bⅠ.Readth
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