初三英语教案Unit9Whenwasitinvented.doc

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1、Unit9Whenwasitinvented?TheFirstPeriodⅠ．TeachingAimsandDemands1．KnowledgeObjects （1）KeyVocabularyinvent （2）TargetLanguage Whenwasthetelephoneinvented? Ithinkitwasinventedin1876．2．AbilityObjects （1）Teachthestudentstousethenewwords． （2）Trainthestudentstotalkaboutthehistoryofinvent

2、ions． （3）Trainthestudents’listeningandspeakingskillswiththetargetlanguage．3．MoralObjectsManyimportantinventionshavechangedtheworldalot．Doyouknowtheinventorsofthem?Andwhenweretheyinvented?Ⅱ．TeachingKeyPoints1．KeyVocabularyinvent2．TargetLanguageTalkaboutthehistoryofinventions．Ⅲ．T

3、eachingDifficultPoints1．Trainthestudentstotalkaboutthehistoryofinventions．2．Trainthestudentstounderstandthetargetlanguageinspokenconversation．Ⅳ．TeachingMethods1．Listening．2．Groupwork．3．Pairwork．Ⅴ．TeachingAids1．Ataperecorder．2．Somepicturesorrealobjectsoftheinventions．Ⅵ．TeachingP

4、roceduresStepIRevision1．RevisethelanguagepointsinUnit9．AsksomestudentstosaysomethingaboutTinaandthestorieshappenedonAprilFool’sDay．EncouragethemtousethePastPerfectTense．2．Checkthehomeworkbyaskingsomestudentstosharethesentencestheymadewiththeverbswiththeclass．StepⅡ1aThisactivity

5、reviewsvocabularyandintroducesnewvocabularywhichcanbeusedtotalkaboutinventions．Readtheinventionstothestudents．Callthestudents’attentiontothefivepictures,Tellthestudentsthatallofthesethingswereinventedinthelast150years．Pointtoeachpictureandletthestudentstellwhatitis．Writethename

6、softhefiveinventionsontheblackboard．computer,car,calculator,telephone,TVsetHaveseveraldifferentstudentsguessandwritethedatesontheboard．Asktheclasstorepeatthequestionsandanswerslikethis．T:Whenwasthecomputerinvented? Classrepeat．SS:Whenwasthecomputerinvented?T: Good．NowTom,whatis

7、yourguess?S1:1965．T:OK．Tom,repeatafterme．Thecomputerwasinventedin1965．T:Class,pleaserepeat．SS:Thecomputerwasinventedin1965．Repeattheprocesswithseveraldifferentinventions．Tellthechildrenthattheywillfindouttherealdatesaftertheycompletethelesson．Afterthat,askthestudentsthequestion

8、sbelow:Questions: 1．Whichonedoyouthinkistheoldest? 2．W