二0二三学年教案unit9whenwasitinvented

Unit9Whenwasitinvented?Ⅰ．TeachingAimsandDemands1．KnowledgeObjects(1)KeyVocabulary:invent,invention,inventor,calculator(2)TargetLanguage:A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.2．AbilityObjects(1)Teachthestudentstousethenewwords.(2)Trainthestudentstotalkaboutthehistoryofinventions.(3)Trainthestudents'listeningandspeakingskillswiththetargetlanguage.3．MoralObjectsManyimportantinventionshavechangedtheworldalot.Doyouknowtheinventorsofthem?Andwhenweretheyinvented?Ⅱ．TeachingKeyPoints1．KeyVocabulary:invent,invention,inventor,calculator2．TargetLanguage:Talkaboutthehistoryofinventions.Ⅲ．TeachingDifficultPoints1．Trainthestudentstotalkaboutthehistoryofinventions.2．Trainthestudentstounderstandthetargetlanguageinspokenconversation.Ⅳ．TeachingMethods:Listening,Groupwork,Pairwork.Ⅴ．TeachingAids:Powerpoint,flash,Somepicturesorrealobjectsoftheinventions.ProceduresWarmingupbylearnaboutPassivevoice(questionsandstatements)PassiveVerbFormation(The1stperiod)TeachingProceduresStepⅠRevision:RevisethelanguagepointsinUnit8.AsksomestudentstosaysomethingaboutJimmyandthestorieshappened.EncouragethemtousethePastPerfectTenseandphrasalverbs.StepⅡpresentationThisactivityreviewsvocabularyandintroducesnewvocabularywhichcanbeusedtotalkaboutinventions.Somenewwords:invent,invention,inventor,calculatorWearelucky.Weliveinthemodernworld.Wecanenjoyourlives.Ifwefeelbored.wecanwatchTVforhavingfun.IfwewanttoAmerica.Wecangotherebyplane.Ifwedon’twanttowashourclothesbyhands.Wecanusewashingmachines.Whatotherinventionsdoyouknow?Callthestudents'attentiontothefivepictures.Pointtoeachpictureandletthestudentstellwhatitseveraldifferentstudentsguessandwritethedatesontheirownbooks.Guess:Whichonewasinventedearlier?Ithinkthewasinventedbefore/aftertheAskdifferentstudentstoanswerthequestions.StepⅢListening:Thisactivitygivesstudentspracticeinunderstandingthetargetlanguageinspokenconversation.Callthestudents'attentiontothefiveinventionsinthepicture.Askfivestudentstosaythenamesofthem.Thenaskthemtoseethefivedateswithablanklineinfrontofeach.Thenplaytherecordingagain.Pauseaftereachimportantsentenceandletthestudentsrepeat.StepⅣPairwork:(1)Thisactivityprovidesguidedoralpracticeusingthetargetlanguage.ReadtheinstructionsandpointtothelistofdatesinActivitywillbetalkingaboutthedatesthingswereinventedwithapartner.Writetheconversationontheblackboard.Thengetthestudentstopracticeinpairs,usingtheinformationinActivity1b.Askseveralpairstosharetheirconversationswiththeclass.(2)Givesomeinventionsandinventors.makeadialogueusethefollowingstructures:A:Whowasthe_____inventedby?B:Itwasinventedby______.A:Whatisitusedfor?B:It’susedfor________________getthestudentstopracticeinpairs,usingtheinformationgiven.Askseveralpairstosharetheirconversationswiththeclass.StepⅤGroupwork:Givesomeinventionsandinventors.Makeashortplayandadialoguewithfollowingstructures:Whenwas……invented?Whowas……inventedby?What’s……usedfor?getthestudentstopracticeingroups,usingtheinformationgiven.Askseveralgroupstosharetheirshortplaysandconversationswiththeclass.StepⅥHomeworkMakeasurvey.Find4inventionsandlookupWhen,Whoandbeusedfor.Period2Step1Warm-up1.Greetings.2.revision:Showsomepicturesofinventionsandtalkaboutthem.A:WhatisitinEnglish?B:It’s…A:Whenwasitinvented?B:Itwasinvented…A:Whatisitusedfor?B:Itisusedfor…Step2practice1.Learnnewwords:useful,

annoyingAskstudentstogivesomeexamplestoshowwhateachwordmeans.Forexample,Avacuumcleanerishelpful.Averyloudtruckisannoying.2.Pairwork3a.Makealistoffivehelpfulinventionsandfiveannoyinginventions.Thenteachercanaskstudentstotellthereasons.T:Isthelightbulbusefulorannoying?S1:Ithinkit’suseful.T:Whyisit?S1:Well,itgivespeoplemoretimetoworkandplayeveryday.3b.Discusstheopinionsaboutsomeinventionswiththepartnerlikethis:A:Whatdoyouthinkisthemosthelpfulinvention?B:Ithinkthemosthelpfulinventionisthelightbulb.A:Whyisthat?B:Well,itgivespeoplemoretimetoworkandplayeveryday.Step3ConsolidationandExtensionGroupwork4Imaginethatyouarealoneonatinyisland.Choosefiveinventionsyouwouldliketohaveontheislandwithyou.Tellthegroupwhatyouchoseandwhy.Maybeyoucanusethefollowingdrills.I’dliketohavea…becauseIcould…It’susedfor…Ithinkthemosthelpfulinventionis…Butthat’snotgoinghelpyouleavetheisland.Ithinkitwouldbebettertoleave…Step4Exercises

Fillintheblankswiththewordsgiven:work_______(finish)tomorrowmorning.booksmust______(give)backontime.thinkthetelephone_____(invent)in1876.may_______(invent)byaccident.ruler_____(use)sinceIbeganmyschoollife.bikesareusedfor_____(ride)on.Step5Sumup

Gooverthewholelessons.

Step6Homework1、句型转换。（1）Shewasseentocomeoutofthelibrarybyhim.(变为主动语态)He

outofthelibrary.（2）Whenaretreesoftenplanted?(变为主动主态)When

peopleoften

?（3）TheLeaguefoundedinGuangzhouin1992.(就画线部分提问)

theLeague

?（4）Didthestudentsweartheschoolclothesalot?(变为被动语态)thescloolclothes

alot?（5）Katetookgoodcareofthebabyyesterdayevening.(变为被动语态)Thebaby

wellbyKateyesterdayevening.（6）Hisauntboughthimabicycle.(变为被动语态)Abicycle

himbyhisaunt.2、汉译英。（1）计算机是何时发明的？

（2）谁发明了计算机？

（3）计算机是用来做什么？

（4）你认为什么是最有用的发明？

（5）它能够给人们更多时间工作和玩。

Period3Step1Warmup

1.Greetings.2.Freetalk:Askthestudentstopracticestalkingtoeachotheraboutsomeinventions.A:Whatdoyouthinkisthemosthelpfulinvention?B:Ithinkthemosthelpfulinventionis…A:Whydoyouthinkso?B:Well,itgivesme…

Step2PresentationStep3practice

Showsomepicturesoffoodanddrink.Askstudentswhattheyare.Thenaskthestudentstodescribehowfoodtastes.Learnsomenewwords:sweet,crispy,salty,sour,delicious,hot,awful,nice.Listeningbrainstorm:(1)Letstudentsdescribehowpotatochipstasteanddescribehowhelpfulthepotatochips.(2)Ask:Whenandwherewerepotatochipsinvented?Whowerepotatochipsinventedby?Howwerepotatochipsinvented?(Letstudentsguessaccordingtothefollowingkeyword.)Keywords:byaccident,customer,restaurant,bymistake.2.Listeningpractice2a.Listenandcircle“T”or“F”.2b.Completethesentences.

Languagespoints:

intheend

bymistake

byaccident

accordingto3.PairworkFinishthetaskof2cA:Doyouknowthatpotatochipswereinventedbymistake?B:Idon’tknow.A:TheywereinventedbyachefcalledGeorgeCrum.B:Whenwasthat?A:Itwasinventedbackin1853.B:Wasitanaccident?A:Acustomersentbackhisplateoffriedpotatoesbecausetheywerecuttoothick.Georgecutthepotatoesreally,reallythin.Andhecookedthemforalongtimeuntiltheywerecrispy.Hesprinkledlotsofsaltonthemsotheywerereallysalty.B:Didthecustomerlovedthem?A:Yes,theyaskedformore.Everyonewasorderingthinly-sliced,crispy,saltypotatochips.B:Welikethem,too.A:SodoI.Step4SumupReadingpractice1.Listentothepassagefirst.2.Givestudentsafewminutestoreadthepassageandtrytofindtheanswerstothequestions.3.Explainsomelanguagepoints.

Gooverthewholelessons.

Step5Homework用动词的适当形式填空。A:When

theDinosaurWorld

(build)?B:It

(build)inwillseemanykindsofdinosaursinit,Shallwegotoseethem?A:Yes,I’dloveto.Butwhereistheentrance?B:Here,thissidedooris

(use)asanentrance.There’ssomethingwrongwiththefrontdoor.It’s

(lock).A:Wow,thesemustbedinosaureggs.Where

they

(discover)?B:They

(discover)inSichuanA:When

thesemustbedinosaureggs.Where

they

(discover)?B:They

(discover)inSichuanA:When

theseeggs

(lay)?B:Idon’tknow.Thatmustbemillionsofyearsago.Period4

Step1Warmup

1.Greetings.2.Freetalk

Showsomepicturesofinventionsandaskstudentsdiscusspicturesandsomethingaboutwhathe/shewouldlikebestinclass.Step2Writingpractice

1.Readtheinstructionstotheclassandmakestudentslookatthesamplefirstsentenceof3b.2.Explainthatstudentscancombinemorethanonepointintoonesentence.3.AskstudentstofinishinoralEnglish.

Teachercangiveanexample.Theflyingdiskwasinventedbycollegestudents.TheyusedametalpieplatefromabakeryinBridgeport,Connecticut4.AskstudentstofinishthemintheirexercisebooksafterclassStep3PracticePairwork:

Asuccessfulbusinessperson.Imagineyouareabusinessperson.Askyourfriendquestionsabouthisorherinvention.Trytosellyourfriend’sinventiontotheclass.Forexample:A:ThisisspecialpenwasinventedbyZhengJie.Ithasthreecolorsanditisusedfor…Step4Selfcheck1.Fillintheblankswiththecorrectwordgiventhenmakeownsentenceswiththesewords.2.Showsomepicturesofinventions.Askstudentstohaveconversationsinpairs.Forexample:A:Whatisit?B:It’sanabacus.Umbrella/abinoculars,camera,bicycle.A:Whatisitusedfor?B:It’susedfor…A:Oh,that’scool!Whowasitinventedby?B:Itwasinventedby…A:Whatwouldyoulikebest?B:I’dlike…best.3.Finishthewritingtaskafterclass.Step5Sumup

CrazyInventionsAskstudentstobuildtheirowncrazyinventionsusingpaper,cardboardandothermaterialstheymayhaveathome.Havethembringtheirinventionstoclassandsaysomethinginclassnextclass.Step6HomeworkFinishthewritingtaskofSectionB3bandSelfcheck2.Period5Step1Warmup1.Greetings.2.Freetalk

TalkaboutsomesportsinChina,especiallysomepopularsports,suchasPing-pongball,basketball,swimmingandsoon.Forexample:

A:Doyoulikesports?

B:yes,Ido.

A:Whichsportsdoyoulikebest?

B:Ilike…best.A:Why…?

B:Because…?Step2PracticeSection1

Beforeyouread.Pairwork:

ShowsomepicturesofsportsinChina.Rankthesportsintheorderofpopularity.Step3Presentation

1.GivestudentsafewminutestoreadthepassageDoyouknowwhenbasketballwasinvented?AndaskstudentstofinishthetaskofSection33a.2.Learningstrategy:Mind-mapping.3.Trytoanswerthefollowingquestionswiththehelpofthemind-mapping:Whoinventedbasketball?WhyweretheBerlinOlympicsimportantforbasketball?Whatistheaimofbasketball?NameaprofessionalbasketballorganizationinAmerica.Step4Readingpractice1.Askstudentstoreadthefirsttwoparagraphswiththefollowingfivequestions:WhatisapopularactivityinChina?Whatdopeopleplayitfor?Whenwasthesportofbasketballinvented?Howmanypeopleplaybasketball?Wherehasbasketballbeenplayed?2.Explainsomelanguagepointsinthefirsttwoparagraphs.3.Askstudentstoreadthethirdparagraphwiththefollowingtwoquestions:Whoinventedbasketball?

Whatkindofgamewasbasketballatfirst?4.Explainsomelanguagepointsinthethirdparagraph.5.Askstudentstoreadthefourthparagraphwiththefollowingquestions:What’stheaimofbasketballforplayers?What’sthebackboardusedfor?What’sthenameoftheplacewhereplayersplaybasketball.6.Expl