Module5ALessoninaLabTheFifthPeriodWritingTeachinggoals教学目标1.Targetlanguage目标语言WordsandexpressionsofsequenceEverydayEnglish2.Abilitygoals能力目标Enablethestudentstopayattentiontotheintonationinquestions.Enablethestudentstowriteadescriptionofanexperiment,andpayattentiontothefunctionwords.3.Learningabilitygoals学能目标Helpthestudentslearnhowtowriteadescriptionofanexperimentaccordingtotheoutline.Teachingimportantanddifficultpoints教学重点和难点Helpthestudentsorganizetheideasaboutanexperiment.Teachingmethods教学方法Question-answermethodandpairwork.Teachingaids教具准备Acomputer,aprojectorandarecorder.Teachingprocedures&&ways教学过程与方式StepⅠRevisionCheckthestudents’homework.ForPRONUNCIA-TION,askthestudentstoreadthefivesentences,andthenplaythetapeforthemtofollow.Askthemwhathappenswhentheyreadquestions.ForEVERY-DAYENGLISH,askthestudentstochoosethecorrectmeaningsindividually,andthenaskthemtocomparetheiranswerswiththeirpartners’.Atlast,checktheanswerswiththewholeclass.StepⅡExercise5(P92)Thisexerciseasksthestudentstousethegivenwordstodescribethepicture.Givethem2or3minutestopreparethetask,andthenasksomeofthemtoreadouttheirdescriptions.T:Well,nowlet’slookatthepictureandthegivenwordsinExercise5.We’llusethesewordstodescribethepicture.Pleaseworkinpairstodothejob.Twoorthreeminuteslater,I’dlikesomeofyoutodescribethepicturetothewholeclass.Twoorthreeminuteslater.T:Whichpairisreadytodescribethepicture?S1:OK.Bobisdoinganexperimentinthechemistrylab.Onthetablethereisacrucible,abeaker,aBunsenburner,apairoftongs,twonailsandatesttubeholder.Bobisholdingatubeandaglassrod.Perhapsheisgoingtopoursomeliquidinthetubeintothebeaker.T:Thisisagooddescription.Youhaveusedallthegivenwords.Whoelsewouldliketotry?S2:Letmetry.Aftertheincident,Paulbecomesmoreandmorecareful.Nowhe’sgoingtodoanotherexperiment.Firstheputsacrucible,aBunsenburner,apairoftongs,twonails,abeaker,andatesttubeholderonthetable.Thistime,heexamineswhathetakesfromthecupboardagainandmakessurethathedoesnotmakeamistake.Nowheisholdingatesttubeinonehandandaglassrodintheotherhand.Look,howseriousheis!T:Whatagoodjobitis!Thestyleistheman(文如其人).Yourdescription,justlikeyou,isverylivelyandlovely.Now,let’sturntopage48andlookatFUNCTION.StepⅢFunctionThepurposeofthispartistoletthestudentsmasterthewordsandexpressionsofsequence.Askthestudentstolookatthewordsinitalicsandthenanswerthequestion:Whendoweusethem?T:Nowlookatthewordsinitalics.Whatarethey?Ss:First,then,next,afterthat,andlastly.T:Whendoweusethem?S1:Whenwewanttotellsomethingaccordingtothetimewhenthethinghappens.S2:Wecanalsousethemwhenwe’remakingaplantodoathing.T:Right.Whatyousaidmeans“sequence”or“connectedlineofevents,ideas,andsomethingelse”.Well,readthepassageagainandthenturntopage96.We’lldotheSpeakingandwriting.StepⅣSpeakingandWriting(P96)Thepurposeofthispartisveryclear.Thatistoaskthestudentstopracticethewayofdescribinganexperiment,andalsomakeuseofthefunctionwords.T:Nowlet’sturntopage96andlookatExercise16.Doyouknowwhatyouaresupposedtodo?Ss:Yes.T:OK,matchtheheadingswiththeparagraphsquickly.Pleasepayattentiontothefunctionwords.Checktheanswerswiththeclass.T:NowlookatExercise17.WearegoingtowriteadescriptionoftheexperimentinActivity13.Youcanrefertotheplanandpicturesonpage95toorganizeyourideas.Asampledescription:Aim:Theaimofthisexperimentistowriteasecretmessagewithinvisibleink.Equ...