Unit10Whenwasitinvented?TheFirstPeriodⅠ．TeachingAimsandDemands1．KnowledgeObjects(1)KeyVocabulary：invent(2)TargetLanguageWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.2．AbilityObjects(1)Teachthestudentstousethenewwords.(2)Trainthestudentstotalkaboutthehistoryofinventions.(3)Trainthestudents'listeningandspeakingskillswiththetargetlanguage.3．MoralObjectsManyimportantinventionshavechangedtheworldalot.Doyouknowtheinventorsofthem?Andwhenweretheyinvented?Ⅱ．TeachingKeyPoints1．KeyVocabulary：invent2．TargetLanguageTalkaboutthehistoryofinventions.Ⅲ．TeachingDifficultPoints1．Trainthestudentstotalkaboutthehistoryofinventions.2．Trainthestudentstounderstandthetargetlanguageinspokenconversation.Ⅳ．TeachingMethods1．Listening.2．Groupwork.3．Pairwork.Ⅴ．TeachingAids1．Ataperecorder.2．Somepicturesorrealobjectsoftheinventions.Ⅵ．TeachingProceduresStepⅠRevision1．RevisethelanguagepointsinUnit9.AsksomestudentstosaysomethingaboutTinaandthestorieshappenedonAprilFool'sDay.EncouragethemtousethePastPerfectTense.2．Checkthehomeworkbyaskingsomestudentstosharethesentencestheymadewiththeverbswiththeclass.StepⅡ1aThisactivityreviewsvocabularyandintroducesnewvocabularywhichcanbeusedtotalkaboutinventions.Readtheinventionstothestudents.Callthestudents'attentiontothefivepictures.Tellthestudentsthatallofthesethingswereinventedinthelast150years.Pointtoeachpictureandletthestudentstellwhatitis.Haveseveraldifferentstudentsguessandwritethedatesontheboard.Asktheclasstorepeatthequestionsandanswerslikethis.T:Whenwasthecomputerinvented?Classrepeat.Ss:Whenwasthecomputerinvented?T:Good.NowTom,whatisyourguess?S1:1965.T:OK.Tom,repeatafterme.Thecomputerwasinventedin1965.T:Class,pleaserepeat.Ss:Thecomputerwasinventedin1965.Repeattheprocesswithseveraldifferentinventions.Tellthechildrenthattheywillfindouttherealdatesaftertheycompletethelesson.Havethestudentslookattheexampleconversationinthebox.Asktwostudentstoreadthisconversationtotheclass.A:Ithinkthetelephonewasinventedbeforethecar.B.Well,Ithinkthetelephonewasinventedafterthecar.Readtheinstructionsagaintothestudents.Remindthemtoremembertheinventionsfromfirsttolast.Thenhavethestudentstalkaboutthefiveinventionsingroupsoffour,usingthesampleconversationasamodel.Askseveralgroupstotelltheclasstheiranswers.Therestoftheclasslistentothemandshowtheyhavedifferentanswersbyraisingtheirhands.Inthenextactivityyouwillfindouttherealdates.StepⅢ1bThisactivitygivesstudentspracticeinunderstandingthetargetlanguageinspokenconversation.Getthewholeclasstoreadtheinstructiontogether.Callthestudents'attentiontothefiveinventionsinthepicture.Askfivestudentstosaythenamesofthem.Thenaskthemtoseethefivedateswithablanklineinfrontofeach.We'lllistentoagirlandawomantalkingaboutthefiveinventions.Theywilltalkaboutwhentheywereinvented.Listencarefullyandmatchtheinventionsandthedates.Writethecorrectletterinfrontofeachdateasthesamplegiven.Askthemtohavealookatthesampleanswer.Tellthemtheanswerinfrontof1876isd.Thatmeansthatthetelephone,whichisletterd,wasinventedin1876.Playtherecordingthefirsttime.Thestudentsonlylistenandtrytocatchthemainidea.Playtherecordingasecondtime.Letthestudentsmatchtheinventionsandthedates.Checktheanswersbyaskingseveraltosaytheanswerstotheclass.Ifsomeoftheanswersarehardtogetforthechildren,tellthemnottoworryandtheywillmakeitnext.Thenplaytherecordingagain.Pauseaftereachsentenceandletthestudentsrepeat.Forsomedifficultsentences,getthestudentstorepeatseveraltimes.Besurethattheymakeeverythingclear.Answersd1876a1885e1927c1971b1976StepⅣ1cThisactivityprovidesguidedoralpracticeusingthetargetlanguage.ReadtheinstructionsandpointtothelistofdatesinActivity1b.Youwillbetalkingaboutthedatesthingswereinventedwithapartner.Callthestudents'attentiontotheexampleinthebox.Askapairofthestudentstoreadthisconversationtotheclass.SA:Whenwasthetelephoneinvented?SB:Ithinkitwasinventedin1876.Writetheconversationontheblackboard.Thengetthestudentstopracticeinpairs,usingtheinformationinActivity1b.Tellthemtodoitlikethis:StudentA,coversthedates.StudentsB,asksStudentAwhenthethingsinthepictureabovewereinvented.Thenchangerolesandpracticeagain.Askseveralpairstosharetheirconversationswiththeclass.StepⅤSummaryInthisclass,we'velearnedtotalkaboutthehistoryofinventionswithpassivevoice.We'vealsodonesomelisteningpracticeinunderstandingthetargetlanguageinspokenconversation.Andwe'vedonemuchoralpractice,usingthetargetlanguage.StepⅥHomework1．WriteouttwoconversationsinActivity1a.2．WriteouttwoconversationsinActivity1c.StepⅦBlackboardDesignUnit10Whenwasitinvented?SectionATheFirstPeriod1．Thenamesofthefiveinventions:computer,car,calculator,telephone,TVset2．Targetlanguage:A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.
