2019-2020年高中英语《Unit 3 Inventors and inventions》说教案 新人教版选修8

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1、2019-2020年高中英语《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Enablethestudentstotalkaboutinventionsanddisco

2、veries.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Aputerandaprojector.Teachingprocedures&way

3、s教学过程与方式StepⅠWarmingupTalkaboutinventionsanddiscoveries.T:Theimportanceofinventionstosocialprogresscanneverbechanged.Eachinventioncarriestheworldastepforwardandprovidesstimulationforlaterones.Withinventionsturningupallthetime,ourworldisalwaystakingonanewloo

4、k.Butdoyouknowwhataninventionis?S1:Thecreationofsomethingnew.S2:Acreation(anewdeviceorprocess)resultingfromstudyandexperimentation.S3:Thecreationofnewthings.…Askthestudentstotalkaboutthepictureswiththeteacher’shelp,andthendiscussthefirsttwoquestions.T:Andwh

5、atisadiscovery?What’sthedifferencebetweenadiscoveryandaninvention?Nowlookatthepicturesonpage1.Workinpairsandtalkaboutthethreedifferentthings,tellingthemapartandgivingreasons.Showthefollowing.1.Whichofthesepicturesshowinventions?Doesanyofthemshowdiscoveries?

6、2.Workouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?S1:Ithinkthefirsttwoareinventions,i.e.theamphibiouscarandStevenson’s“Rocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimea

7、ndnoonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadvantagesasthesetwo.IthinkthepictureabouttheDNAisakindofscientificdiscoveryinbiologybecausesuchcellsandtheirstructuredoexistinlivingcrea

8、turesandtheyhavebeenfoundoutbyacertainscientistandaremadeknowntothepublicnowadays.SoIthinkadiscoveryissomethingexistingbeforebutunknownwhileaninventionissomethingunknownandnotexistingbefore. S2:Ithinkt