初三英语教案Unit9Whenwasitinvented.docx

初三英语教案Unit9Whenwasitinvented.docx

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初三英语教案Unit9Whenwasitinvented

Unit9Whenwasitinvented?

TheFirstPeriod

Ⅰ．TeachingAimsandDemands

1．KnowledgeObjects

（1）KeyVocabularyinvent

（2）TargetLanguage

 Whenwasthetelephoneinvented?

 Ithinkitwasinventedin1876．

2．AbilityObjects

（1）Teachthestudentstousethenewwords．

（2）Trainthestudentstotalkaboutthehistoryofinventions．

 （3）Trainthestudents’listeningandspeakingskillswiththetargetlanguage．

3．MoralObjects

Manyimportantinventionshavechangedtheworldalot．Doyouknowtheinventorsofthem?

Andwhenweretheyinvented?

Ⅱ．TeachingKeyPoints

1．KeyVocabulary

invent

2．TargetLanguage

Talkaboutthehistoryofinventions．

Ⅲ．TeachingDifficultPoints

1．Trainthestudentstotalkaboutthehistoryofinventions．

2．Trainthestudentstounderstandthetargetlanguageinspokenconversation．

Ⅳ．TeachingMethods

1．Listening．

2．Groupwork．

3．Pairwork．

Ⅴ．TeachingAids

1．Ataperecorder．

2．Somepicturesorrealobjectsoftheinventions．

Ⅵ．TeachingProcedures

StepIRevision

1．RevisethelanguagepointsinUnit9．

AsksomestudentstosaysomethingaboutTinaandthestorieshappenedonAprilFool’sDay．EncouragethemtousethePastPerfectTense．

2．Checkthehomeworkbyaskingsomestudentstosharethesentencestheymadewiththeverbswiththeclass．

StepⅡ1a

Thisactivityreviewsvocabularyandintroducesnewvocabularywhichcanbeusedtotalkaboutinventions．

Readtheinventionstothestudents．

Callthestudents’attentiontothefivepictures,Tellthestudentsthatallofthesethingswereinventedinthelast150years．

Pointtoeachpictureandletthestudentstellwhatitis．

Writethenamesofthefiveinventionsontheblackboard．

computer,car,calculator,telephone,TVset

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．

Afterthat,askthestudentsthequestionsbelow:

Questions:

 1．Whichonedoyouthinkistheoldest?

 2．Whichoneisthenewest?

 3．Whichonedoyouthinkistheoldestorthefirstinvention?

 4．Whichoneisthenewestorlastinvention?

 Askdifferentstudentstoanswerthequestions．

Havethestudentslookattheexampleconversationinthebox．Asktwostudentstoreadthisconversationtotheclass．

 A:

Ithinkthetelephonewasinventedbeforethecar．

 B:

Well,Ithinkthetelephonewasinventedafterthecar．

Readtheinstructionsagaintothestudents．Remindthemtoremembertheinventionsfromfirsttolast．

Thenhavethestudentstalkaboutthefiveinventionsingroupsoffour,usingthesampleconversationasamodel．

Askseveralgroupstotelltheclasstheiranswers．Therestoftheclasslistentothemandshowtheyhavedifferentanswersbyraisingtheirhands．

Inthenextactivityyouwillfindouttherealdates．

StepⅢ1b

Thisactivitygivesstudentspracticeinunderstandingthetargetlanguageinspokenconversation．

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．

Answers

d1876a1885e1927c1971 b1976

Tapescript

Girl:

Lifemusthavebeendifficultwhenyouwereakid．

Woman:

Oh;notreally．Whydoyousaythat?

Girl:

Well,youdidn’thavemanymoderninventions．Like,youprobablydidn’thaveatelephone,right?

Woman:

Ofcoursewedid!

HowolddoyouthinkIam?

Thetelephonewasinventedin1876．

Girl:

Howaboutcars?

Ibetcarsweren’tinventedyet．

Woman:

Suretheywere．Carswereinventedin1885．Myfamilyhadacar．Ithinkyouneedtotakeahistoryclass,Alice．

Girl:

Ha,ha!

Well,didyouhaveaTV?

Woman:

No,wedidn’t．TheTVwasinventedaround1927,Ithink．Somefriendsofminehadone．Butinthosedays,TVswerereallyexpensive,andwecouldn’taffordone．

Girl:

AndIbetyoudidn’thavecalculatorsandcomputersandstuff．That’ssomethingIdoknow．Welearnedinschoolthathand-heldcalculatorswereinventedin1971andpersonalcomputerswereinventedin1976．

Woman:

You’reright．Ididn’thavethosethingswhenIwasyoung．ButIdonow!

StepⅣ1c

Thisactivityprovidesguidedoralpracticeusingthetargetlanguage．

ReadtheinstructionsandpointtothelistofdatesinActivity1b．

Youwillbetalkingaboutthedatesthingswereinventedwithapartner．

Callthestudents’attentiontotheexampleinthebox．Askapairofthestudentstoreadthisconversationtotheclass．

SA:

Whenwasthetelephoneinvented?

SB:

Ithinkitwasinventedin1876．

Writetheconversationontheblackboard．

Thengetthestudentstopracticeinpairs,usingtheinformationinActivity1b．Tellthemtodoitlikethis:

StudentA,coversthedates．StudentsB,asksStudentAwhenthethingsinthepictureabovewereinvented．Thenchangerolesandpracticeagain．

Askseveralpairstosharetheirconversationswiththeclass．

StepⅤSummary

Inthisclass,we’velearnedtotalkaboutthehistoryofinventionswithpassivevoice．We’vealsodonesomelisteningpracticeinunderstandingthetargetlanguageinspokenconversation．Andwe’vedonemuchoralpractice,usingthetargetlanguage．

StepⅥHomework

1．WriteouttwoconversationsinActivity1a．

2．WriteouttwoconversationsinActivity1c．

StepⅦBlackboardDesign

Unit10Whenwasitinvented?

SectionA

TheFirstPeriod

 1．Thenamesofthefiveinventions:

 computer,car,calculator,telephone,TVset

 2．Targetlanguage:

 A:

Whenwasthetelephoneinvented?

 B:

Ithinkitwasinventedin1876．

Unit10Whenwasitinvented?

TheSecondPeriod

I．TeachingAimsandDemands

1．KnowledgeObjects

（1）KeyVocabulary

 beusedfor,adjustable,heel,battery,operate,slipper,scoop,electric

（2）TargetLanguage

 Whenwasthecarinvented?

 Itwasinventedin1885．

 Whoweretheyinventedby?

 TheywereinventedbyJulieThompson．

 Whataretheyusedfor?

 Theyareusedforseeinginthedark．

2．AbilityObjects

（1）Trainthestudents’listeningskill．

（2）Trainthestudents’communicativecompetenceusingthetargetlanguage．

（3）Trainthestudentstousethenewvocabulary．

Ⅱ．TeachingKeyPoints

（1）Listeningpracticewiththetargetlanguage．

（2）Makecommunicationswithtargetlanguage．

（3）Teachthenewvocabulary

Ⅲ．TeachingDifficultPoints

1．TeachingtheGrammarFocus．

2．Thelisteningpracticewiththetargetlanguage．

3．Makecommunicationswiththetargetlanguage．

Ⅳ．TeachingMethods

1．Listening

2．Pairwork

Ⅴ．TeachingAid

Ataperecorder

Ⅵ．TeachingProcedures

StepIRevision

1．Checkthehomework．

2．Revisethetargetlanguagelearnedlastclass．Getthestudentstoaskandanswerquestionsinpairslikethis：

SA:

Whenwasthetelephoneinvented?

SB:

Ithinkitwasinventedin1876．

Tellthemtoaskaboutallthefiveinventions．

StepⅡ2a

Thisactivityprovideslisteningpracticewiththetargetlanguageandreviewnewvocabularyaboutinventions．

Showthesenewwordsonascreenbyaprojector．

 beusedfor用来做……

 adjustableadj．可调整的

 heeln．（鞋、袜等的）后跟；（足）跟

 batteryn．电池

 operatev．操作；作业

 slippern．拖鞋

 scoopv．用勺舀 n．勺子；球形勺；长柄勺

 electricadj．电子的；电的

Pointtoeachoneandteachthemtoread．

Doitseveraltimesuntilthechildrencanreadthemwell．

Askafewstudentstoreadthenewwords．Seeiftheycanreadeachwordcorrectly．

Askthestudentstoreadtheinstructionstogether．

Writethenamesoftheinventionsontheblackboard:

Shoeswithadjustableheels

batteryoperatedslippers

heatedicecreamscoop

Readthethreenamesoftheinventionsandthestudentsrepeat．Dosomeexplanationaswell．

Thenpointtothepictureofeachinventionandaskstudentswhattheythinkisinterestingaboutit．

You’llhearaboutsomeinterestinginventions．Pleaselistenandnumberthethreeinventionsintheorderthatyouhearthemintheconversation．Writeanumberinfrontofeachinventiontoshowwhatorderyouhearaboutthem．

Playtherecordingthefirsttime,studentsonlylisten．Thenplaytherecordingagain．Askthestudentstowriteanumberoneachshortlineinfrontofeachinvention．

Checktheanswersbyaskingastudenttotelltheanswers．

Answers

Theinventionsshouldbenumberedinthisorder:

312

Tapescript

Boy:

Whatarethose?

Girl:

They’rebattery-operatedslippers．

Boy:

Whataretheyusedfor?

Girl:

They’reusedforseeinginthedark．

Boy:

Oh,that’scool!

Whoweretheyinventedby?

Girl:

JulieThomps