【精品】高一英语下册 Unit16 Scientists at work(第二课时)教案 大纲人教版第一册VIP免费

TheSecondPeriodTeachingAims:1.Learnandmasterthefollowing:Words:conduct,charge,shock,prove,work,tear,fasten,explain,appearPhrases:doanexperiment,agreatdealof,tie…to…stop…from…SentencePattern:HavingrealisedthatIcoulduse…,Idecidedtodoan…2.ReadthepassageandlearnhowthescientistFranklinfoundlightningandelectricityarethesame.3.Improvethestudents'readingabilitythroughreadingactivities.TeachingImportantPoints:1.Learnthewordsandphraseslistedabove.2.Trainthestudentstoimprovetheirreadingcomprehension.TeachingDifficultPoints:1.Understandthefollowingsentencescorrectly:(1)HavingrealisedthatIcoulduseakitetoattractlightning,Idecidedtodoanexperiment.(2)Flythekitewhenathunderstormappearstobecomingon.2.Howtohelpthestudentsunderstandthepassagebetter.TeachingMethods:1.Question-and-answermethodtomakestudentsinterestedinwhattheywilllearn.2.Fastreadingtogetthegeneralideaofthetext.3.Carefulreadingtoanswersomedetailedquestions.4.Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:1.ataperecorder2.aprojectorandacomputerformultimediauseTeachingProcedures:StepⅠ.GreetingsGreetthewholeclassasusual.StepⅡ.RevisionT:Inthelastperiod,wetalkedaboutadvantagesanddisadvantagesofsomediscoveries.AndIaskedyoutomakeupadialoguewiththeinformationofonediscovery.NowI'llasktwostudentstoactoutthedialogueinfrontoftheclass.Anyvolunteers?S1:…S2…StepⅢ.DiscussionT:(Showapictureofatelephoneonthescreen.)Pleaselookatthepictureonthescreen.What'sit?Ss:It'satelephoneset.T:Doyouknowwhoinventedthetelephone?S3:Yes,Iknow.ItwasAlexanderBellwhoinventedthetelephone.T:Youareright.BellwasagreatinventorinAmerica.In1876,heinventedthetelephone.After4years,heinventedphotophoneagain.用心爱心专心Therearemanyfamousscientistslikehimallovertheworld.Theymademanyimportantinventionsinmanyfields.Doyouknowthenamesofsomefamousscientists?Whataretheyfamousfor?Anyvolunteers?S1:Edison.Hewasagreatinventor.Heinventedtheelectricbulb,thephonographandmanyotherthings.S2:Calilean.Hemadeonastronomicaltelescopeandfirstbegantodoascientificexperiment.S3:Harvey.Hewasafounderofexperimentalbionomyinmoderntimes.S4:Einstein.Hewasfamousforhistheoryofrelativity.S5:…T:Yes.Youareright.Intheeighteenthandnineteenthcenturies,scientistsallovertheworldalsomademanyimportantdiscoveriesinmanydifferentfields,suchasinphysics,medicine,chemistryandbiology.Canyounamesomeofthem?Whyaretheirdiscoveriesimportant?Nowpleasediscussthequestionsingroupsoffourandwritedownyouranswersonapieceofpaper,thenI'llchecktheanswers.(Teachergivesthemsomeminutestodiscussandthencollectsthestudents'idea.)Suggestedanswers:S6:Newtons.Hewasthefamousphysicistandmathematicianinthehistoryofscience.Alsohemadeatelescope.HefoundthelawofuniversalgravitationandNewtonLaw.WithoutNewtonLawtherewouldn'tbemodernphysics.S7:MarieCurie.Shewasanextraordinarywomanscientist.Shefoundradiumanduranium.Shemadeagreatcontributioninphysics.Iftherewerenoradiumandnouranium,wecouldn'ttakex-rayphotos,whichareveryhelpfultomodernmedicine.S8:Darwin.Hewasthefounderofthetheoryofevolution.Histheorymakesusknowtheoriginofhumanandthedevelopmentofhumanbetter.Histheoryisveryimportanttothedevelopmentofbiology.S9:Nobel.Hewastheinventorofthedetonatorandsetup“NobelPrize”.Hisinventionmadeitsaferforhumanstouseexplosive.HisNobelprizeencouragesmorepeopletomakemorecontributionstotheworld.S10:…StepⅣ.Pre-readingT:Welldone.Youhaveknownmu...