高中英语《unit 3 inventors and inventions》说教案 新人教版选修8

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1、云南省陇川县第一中学高中英语《Unit3Inventorsandinventions》说教案新人教版选修8Teachinggoals教学目标1.Targetlanguage目标语言重点词汇和短语discovery,application,evaluate,presentation,alternative,messenger,gettogether,makeacasefor,addup2.Abilitygoals能力目标Enablethestudentstotalkaboutinventionsanddiscoveries.3.Learningabil

2、itygoals学能目标Helpthestudentslearnhowtotalkaboutinventionsanddiscoveries.Teachingimportant&difficultpoints教学重难点Howtotalkaboutinventionsanddiscoveries.Teachingmethods教学方法Discussion.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教学过程与方式StepⅠWarmingupTalkaboutinventio

3、nsanddiscoveries.T:Theimportanceofinventionstosocialprogresscanneverbechanged.Eachinventioncarriestheworldastepforwardandprovidesstimulationforlaterones.Withinventionsturningupallthetime,ourworldisalwaystakingonanewlook.Butdoyouknowwhataninventionis?S1:Thecreationofsomethingnew

4、.S2:Acreation(anewdeviceorprocess)resultingfromstudyandexperimentation.S3:Thecreationofnewthings.…Askthestudentstotalkaboutthepictureswiththeteacher’shelp,andthendiscussthefirsttwoquestions.T:Andwhatisadiscovery?What’sthedifferencebetweenadiscoveryandaninvention?Nowlookatthepic

5、turesonpage1.Workinpairsandtalkaboutthethreedifferentthings,tellingthemapartandgivingreasons.Showthefollowing.1.Whichofthesepicturesshowinventions?Doesanyofthemshowdiscoveries?2.Workouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?S1:Ithinkthefirsttwoareinve

6、ntions,i.e.theamphibiouscarandStevenson’s“Rocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimeandnoonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadv

7、antagesasthesetwo.IthinkthepictureabouttheDNAisakindofscientificdiscoveryinbiologybecausesuchcellsandtheirstructuredoexistinlivingcreaturesandtheyhavebeenfoundoutbyacertainscientistandaremadeknowntothepublicnowadays.SoIthinkadiscoveryissomethingexistingbeforebutunknownwhileanin

8、ventionissomethingunknownandnotexistingbefore. S2:Ithi