Unit3写作课件-沪教版八年级英语上册

Unit

4

InventionsWritingandProject

0203LearningobjectivesBytheendofthislesson,Ican:01writeanarticleaboutyournewinventionlearntomodifyyoursentenceswithdataandexamples.learntousecohensivewordsWhatinventionshavewelearntinthisunit?Howdo

theychangeourlives?CleanerCatBrushesFull-bodyUmbrellaLEDSlippersTwo-wayGlassesNoodleFanWheelLead-inPre-writingWritingan

aticleaboutanewinventionBrainstormideasfornewinventions.Whatproblemdoyoufaceinyourdailylife?Whoelseneedshelpwiththisproblem?Whataresomepossiblewaystosolvethisproblem?Whatkindofinventioncansolvetheproblem?Whatarethekeyinformationaboutyournewinvention?Youcandrawamindmaplikethefollowingexamples.Myinvention—WhatitisMainfeaturesWhatproblemitcansolveWhatitlookslikeWhatitcandoPre-writingWangYaodrewamindmapbeforeshewroteaboutherideaforanewinvention—aflyingcar.Myinvention—AflyingcarWhatitisWhatitcandoMainfeaturesBenefits

ofmyinventionWhatitlookslikeWhatishernewinvention?WhatdoesWangYaoplantowriteabouthernewinvention?Pre-writingReadforstructureReadWangYao’sarticletofindouthowsheorganizedherideas.WhatitisWhatitcandoMainfeaturesBenefitsofmyinventionWhatitlookslike①②③④Pre-writingLookatthemindmapandreadherarticletofindouthowsheorganizedherideas.P601WhatitisWhatitlookslikeMainfeatures123Whatitcando1Benefitsofmyinvention23Pre-writingReadforlanguageUnderlinethesentencesthatdescribethecar’sfeatures.Howdoesthewritermakethemclearandconvincing?topicsentencePre-writingComparethefollowingsentencesanddecidewhichisbetter.ReadforlanguageSentence1:Ittravelsalongwayinashorttime.Sentence2:Ithasatopspeedof300km/h.Youcantravelfartherdistancesinlesstime.Tip1:Use

numbersandcomparativelanguage

tomakesentencesclearerandmorepersuasive.Pre-writingComparethefollowingsentencesanddecidewhichisbetter.ReadforlanguageSentence3:Insteadofpetrol,thecarusessolarpower,soitwillnotpollutetheair.Sentence4:Theflyingcardoesn’tusepetrol.Itusessolarpower.Itwillnotpollutetheair.Tip2:Use

linkingwordstomakesentencesmorecoherent.Pre-writingUsefulsentencepatterninthisunitHowdowe

talk

about

mainfeatures?Moreusefulwords:make…faster,make….morecomfortable,efficient,safe,funny,easytouseIt’sfast,convenientandgreen.Pre-writingUsefulsentencepatterninthisunitHowdowe

talk

about

theprobleminourlife?Theseoldpathsquicklybecameextremelydifficulttouseinwetweather.Although

thismeantthatpeoplecouldtravelfurtherandfaster,transportinglargeamountsofgoodswasstilladifficultjob.Pre-writingHowdowe

talk

about

theprobleminourlife?Astherearemorecarsontheroad,therearemoretrafficjam.Acandledoesnotproduceasmuchlightasalightbulb.UsefulsentencepatterninthisunitPre-writingHowdowe

talk

about

whatitcando?Farmersweresuddenlyabletotransporttheirgoodstomarketsfaraway.Thisinventionincreasednationalandinternationaltrade.Later,theyrealizedthattheycouldalsousethemtotransportpeopleandthings.UsefulsentencepatterninthisunitPre-writingUsefulsentencepatternHowdowe

talk

about

whatitcando?Whenyouridethebicycle,itmovestheclothesaroundthewashingmachine.Ifyoushout

fly,thecarwillturnintoaplanein30seconds.Insteadofpetrol,thecarusessolarpower,soitwillnotpollutetheair.Pre-writingHowdowe

talk

about

benefitsofournewinvention?Withoutdoubt,thewheelisoneofthemostimportantinventionsofalltime.Thewheelnotonlychanged

thewayhumansmove,butitalsoallowedustobuildalltypesofamazingmachines.TheIndustrialRevolutiondepended

onthewheel.UsefulsentencepatterninthisunitPre-writingPre-writingEvaluationindicatorsscoresScoringcriteria1.Doesthearticlecontainthemainfeaturesandappearanceoftheinvention?

5=Excellent4=Good3=Acceptable2=Needsimprovement2.Doesthearticledescribethefunctionandmethodofuseoftheinvention?

3.Isthearticlesupportedbysufficientdetails?

4.Doesthearticleuserightsentencepatternsandrichvocabulary?

5.Istheessayspelled,grammar,andpunctuatedcorrectly?

HereisanEvaluationindicatorsbereyouwriteyournewinventionWriteaboutyourinvention.Youcanalsodrawapictureofit.e.g.Myinventionis+物品名称e.g.•Itis+体现特点的形容词/•Ithas+具体构造e.g.Ithas+外观组成部分e.g.Itcan+具体动作/功能e.g.Myinventionwill+带来的益处While-writing■

Iwroteaboutthemainfeaturesofmyinvention,suchas

____________,andwhatitlookslike.

■

Idescribedwhatitcandoandhowitisused.

■

I

usedthewordsandexpressionsIlearntinthisunit.

■

I

usedcorrectspelling,grammarandpunctuation.

Tick(√)theboxestocheckyourwriting,andthenreviseit.Post-writingProjectDiscussingroups(1)Whatproblemdoesyourinventionsolve?(2)Whomayneedyourinvention?(3)Whataretheweaknessesofyourinvention?Chooseonememberofyourgrouptobethenotetaker,whowillwritedowntheideassharedbyyourgroup.Decideonthebestinventioninyourgroupandmakeapresentationaboutit.Shareyourwritingwithyourgroupmembersandusethequestionsbelowtocheckyourwriting.ReadandcompleteReadtheexamplebelowandcompletetheoutline.IntroductionName:________________Type:________________PurposeProblemtosolve:________________Benefits:____________________________________________________DesignMaterial:_______________________Mainfeatures:___________________foldinghelmetabicyclehelmetdifficulttocarryMorepeoplewillwearhelmetsanditwillkeepmorepeoplesafe.hardplasticshineinthedark;fiteverybodyDesigningroupsDesignyourinventioningroupsandwriteadescriptionofit.IntroductionName:________________Type:________________PurposeProblemtosolve:__________________Benefits:__________________________DesignMaterial:_______________________Mainfeatures:_________