云南省陇川县第一中学高中英语《Unit 3 Inventors and inventions》说教案 新人教版选修8.doc

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discoveryapplicationevaluatepresentationalternativemessengergettogethermakeacaseforaddup2.Abilitygoals能力目标Enablethestudentstotalkaboutinventionsanddiscoveries.3.Learningabilitygoals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StepⅠWarmingupTalkaboutinventionsanddiscoveries.T:Theimportanceofinventionstosocialprogresscanneverbechanged.Eachinventioncarriestheworldastepforwardandprovidesstimulationforlaterones.Withinventionsturningupallthetimeourworldisalwaystakingonanewlook.Butdoyouknowwhataninventionis?S1:Thecreationofsomethingnew.S2:Acreation(anewdeviceorprocess)resultingfromstudyandexperimentation.S3:Thecreationofnewthings.…Askthestudentstotalkaboutthepictureswiththeteacher’shelpandthendiscussthefirsttwoquestions.T:Andwhatisadiscovery?What’sthedifferencebetweenadiscoveryandaninvention?Nowlookatthepicturesonpage1.Workinpairsandtalkaboutthethreedifferentthingstellingthemapartandgivingreasons.Showthefollowing.1.Whichofthesepicturesshowinventions?Doesanyofthemshowdiscoveries?2.Workouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?S1:Ithinkthefirsttwoareinventionsi.e.theamphibiouscarandStevenson’s“Rocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimeandnoonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadvantagesasthesetwo.Ithinkthepic