3/3Unit10Air第3課時(shí)教學(xué)設(shè)計(jì)【內(nèi)容來源】上海教育出版社（2011年版）六上Module4Unit10【主題】Askandanswer,Learnthesounds,Thinkandwrite【課時(shí)】第3課時(shí)一、教學(xué)目標(biāo)(Teachingaims)通過Askandanswer的問答練習(xí)幫助學(xué)生運(yùn)用核心句型，聯(lián)系實(shí)際，圍繞空氣污染展開討論。通過Thinkandwrite的寫作練習(xí)，幫助學(xué)生綜合運(yùn)用本單元所學(xué)的句型描述空氣的重要性和空氣污染的原因，并對如何保持空氣潔凈給出建議。幫助學(xué)生學(xué)習(xí)字母g、j、s和字母組合ch、sh在單詞中的發(fā)音。通過學(xué)習(xí)任務(wù)(Task)，幫助學(xué)生鞏固和運(yùn)用本單元所學(xué)的知識(shí)和技能。二、教學(xué)重難點(diǎn)(Teachingpointsanddifficulties)語音：ch,g,j,sh,s句型：Whatmakestheairdirty?三、教學(xué)準(zhǔn)備(Teachingpreparation)課件、音頻（教師可以在優(yōu)教平臺(tái)直接調(diào)用或下載）。四、教學(xué)過程(Teachingprocess)Pre-taskpreparations學(xué)生表演Sayandact的對話，引入本課時(shí)的學(xué)習(xí)內(nèi)容。 T：Fromthedialogueweknowthatsmokemakestheairdirty.Todaywearegoingtalkaboutitmore. 2．教師設(shè)問，讓學(xué)生根據(jù)自己的認(rèn)知說說空氣污染的情況While-taskprocedures借助多媒體或掛圖出示空氣污染的圖片，讓學(xué)生說說空氣污染的原因。T:Lookatthesephotos.Canyoutellmewhatmakestheairdirty?S1:Thesmokefromfactoriesmakestheairdirty.S2:Thesmokefromcarsmakestheairdirty.S3:Thesmokefrombusesmakestheairdirty.S4:Thesmokefromburningwoodmakestheairdirty.S5:Thesmokefromfirecrackersmakestheairdirty.2.根據(jù)學(xué)生的回答引出下一個(gè)問題，并出示Askandanswer欄目中第二排的圖片，激發(fā)學(xué)生思考保護(hù)環(huán)境的對策。T:There’ssomuchairpollutionnowadays.Whatshouldwedotokeeptheairclean?S1:Weshoulddriveourcarslessoften.S2:Weshouldn’tplaywithfirecrackersalot.S3:Weshouldrideabicycleortakebusestoworkorschoolmoreoften.S4:Weshouldusebothsidesofthepaper.S5：Weshouldtellfactoriesnottopollutethe學(xué)生可以先在小組內(nèi)討論，然后在班級內(nèi)進(jìn)行交流。3.教師總結(jié)本單元的內(nèi)容，用問題幫助學(xué)生梳理學(xué)習(xí)內(nèi)容。T:Inthisunit,whatdidwetalkabout?Ss:Air.T:Whatisairlike?S1:Airhasnocolour,shape,smellortaste.S2:Airisimportanttous.S3:Airkeepspeople,animalsandplantsalive.T:Whatmakestheairdirty?S1:Smokefromfactories,carsandbusesmakestheairdirty.T:Whatshouldwedotokeeptheairclean?S1:Weshoulddriveourcarsless.S2:Weshouldplantmoretrees.將以上三個(gè)引導(dǎo)性問題的核心內(nèi)容板書在黑板上，幫助學(xué)生總結(jié)本單元的學(xué)習(xí)內(nèi)容。T:Inthisunit,welearntaboutair.Pleasetellussomethingaboutair.S2:Airhasnocolourorshape.Wecan’tseeit,butwecanfeelit.Airisimportanttous.Airkeepsusalive.Airkeepsthingshighinthesky.Nowtheairisgettingdirty.Thesmokefromfactoriesmakestheairdirty.Thesmokefromcarsandbusesmakestheairdirtytoo.It’snotgoodforus.Weshouldkeeptheairclean.Weshoulddriveourcarslessoften.Weshouldplantmoretrees.Wehopewecanhavefreshairallthetime.最后，讓學(xué)生通過小組和集體交流，談一談個(gè)人對空氣的認(rèn)識(shí)。4.學(xué)生朗讀Learnthesounds的單詞，感受紅色字母的發(fā)音。教師可以先作示范，引導(dǎo)學(xué)生自己找出發(fā)音規(guī)律。T:ch,/t?/,chair,China.Ss:ch,/t?/,chair,China.T:Pleasereadtheotherwordswiththesound/tJ7inthem.S1:Each,rich.T:Canyoufindanyotherwordswiththissound?S2:Teacher,children,watch,catch.運(yùn)用這種方法教學(xué)其他語音。然后讓學(xué)生完成Listenandcircle的練習(xí)。Post-taskactivities1.學(xué)生完成Thinkandwrite的練習(xí)，將口頭能夠表達(dá)的內(nèi)容落入筆頭。在寫小短文之前先口頭說一遍，然后再落筆。學(xué)生寫完后可以在小組內(nèi)進(jìn)行交流。2.請學(xué)生看《練習(xí)冊》Task的第一部分，找一找有關(guān)空氣污染的圖片并貼在方框里。接著，學(xué)生分成若干小組，根據(jù)第二部分的提示在小組內(nèi)問答，討論保持空氣潔凈的方法。S1:Whatshouldwedoto