9/9Unit4ThenandNowPartCStorytime公開課教案授課教師：海南省儋州市那大實驗小學黃子櫻一、教學內容pep-六年級下冊-第四單元-C部分-Storytime二、教學目標1.能在教師的幫下閱讀文本并朗讀故事。2.能夠復述故事，把將來可能的變化變成小語段進行介紹。3.通過學習地球上從古至今的變化和對將來的美好愿望，引起學生對自然環境的注意，從而滲透保護環境的意識。三、教學重難點1.在理解文本的過程中，需要jigsawreading的合作。2.能理解文本大意，并能編成小語段進行介紹。四、教具PPT,圖片，貼紙五、教學過程Step1讀前活動1.Greeting教學活動學生活動預設PPT板書Hello,goodafternoon.Howareyoutoday?Today,wewilllearnanewstoryabouttheearthinUnit4ThenandNow,PartC,StoryTime.Soeachgrouphasanearthonyourtable.Pleasetryyourbesttoanswerthequestion,thenyouwillgetmoretreestoplantonyourearth.Greetings2.Learnnew-[earth]教學活動學生活動預設PPT板書Lookthisistheearth.Let’sreadit.跟讀地球3.談論地球教學活動學生活動預設PPT板書1.Whocantalksomethingabouttheearth?2.What’sontheearth?1.動物:humansduck,鴨子cat,貓panda,熊貓fox,狐貍ant,螞蟻whaleselephant,大象dinosaur,恐龍2.環境:river,河流stream,小溪lake,湖泊trees,樹木flowers,花grass,草forest,森林，beach,沙灘3.食物：food食物，fish魚，vegetable蔬菜4.交通工具:bike單車,bus公車,car小車5.建筑物:building高樓,hotel酒店,park公園6.生活用品：bed床，sofa沙發，table桌子,house房子What’sontheearth?學習新詞humans,cave,Cavemen,raw,meat,whales新詞的圖片4.學習before教學活動學生活動預設PPT板書1.Oh,youtalkedalotabouttheearth.Someofthemareontheearthnow.Someofthemmaybeontheearthbefore.Maybe2millionyearsago.跟讀before2百萬年前兩個地球2.Thisistheearthbefore.Andthethisistheearthnow.Manythingswereontheearthbefore,alsoareontheearthnow.So,todaylet’stalkabouttheearthinthreeparts:environment/animalsandwaysofpeopleliving.三個方向導入三個方向的詞卡【設計意圖】以freetalk的形式，跟學生聊聊地球上有些什么，激活學生的語言儲備，讓學生迅速在腦海里呈現出地球上的世界萬物。為下面的文本學習做好鋪墊。Step2讀中活動-第一遍：初步感知地球的過去和現在1.交代讀文任務(before+now)教學活動學生活動預設PPT板書1.So,let’sreadtwopartsofthestory,andfindoutwhatareabouttheearthinthestory.2.Youcancirclethekeepwordinthestory,thenfillintheblank.3.Pleasereadinpairs.Youcanchoosethepartofbeforetoreadorthepartofnow.1.學生兩人一組，分工讀地球之前的片段或現在的片段。2.在作業紙上找到需要填的表格A:過去的人類、動物和地球的內容。B:現在的人類、動物和地球的內容。2.讀后交流。(1)主要句型：Before—Therewere/was(not)_________.Now—Thereare/is(not)___________.(2)互相談論自己的部分，再填上另一部分教學活動學生活動預設PPT板書Ifyoufinishyourreading.Youcantalkabouttheanswerwithyourpartner.Tellhimorherwhatyoufoundinthestory.Then,finishalltheblanks.小組談論1.Before—Therewere/was(not)_________.2.Now—Thereare/is(not)___________.表格與答案表格的詞匯3.Checktheanswer（搶答）Lookatthefirstblank,it’stheenvironmentoftheearthbefore.Whowilltelluswhatwasontheearthbefore?【設計意圖】1.讓學生從縱向閱讀before的地球和now的地球，在時間感上給學生清晰的思路，學生初步感受了“過去的地球”與“現在的地球”的變化。2.在閱讀過程中讓學生圈出關鍵的詞匯，其目的是為培養學生學會閱讀的技能。3.在閱讀方式上進行分工閱讀，降低了學生閱讀的難度和大篇幅文章給學生造成的壓力。4.讀后馬上進行交流，迅速加深了學生對文本的熟悉度，幫助學生理解。Step3讀中活動—第二遍：尋找地球過去與現在變化的原因1.觀看地球變化的視頻教學活動學生活動預設PPT板書Theearthbeforeandtheearthnowisdifferent,theearthchange.Howdoesitchange?Let’swatchthevideo.It’sabouthowtheearthchange.觀看視頻視頻劃線change2.帶問題再次讀文，思考過去與現在的變化教學活動學生活動預設PPT板書Manythingsarechanging,right?SoIhavesomemorequestions讀文后回答問題(1)Dohumansofteneatrawmeatnow?Pleasereadthestoryagain,trytoanswerthesequestions.Youcanunderlinetheanswerinthestoryoryoucanansweritinyourwords.Why?(2)Aretherelotsofwhalesintheseanow?Why?(3)Aretherelotsoftreesandcleanriversnow?Why?Picture1-2，Picture7-8Picture4-53.讀后交流，找小組內兩個組的同學問問，看看別人是怎么回答這些問題的。4.Checktheanswer（搶答）教學活動學生活動預設PPT板書Let’schecktheanswer。1.Dohumansofteneatrawmeatnow?Why?No,humansdon’teatmuchrawmeatnow.Becausewecancookourfoodnow.Therearemanythingstohelpustouscook.2.Aretherelotsofwhalesintheseanow?Why?No,therearenotmanywhales.Catchfish，nomuchfoodinthesea,thewaterisnotclean,killwhales...3.Aretherelotsoftreesandcleanriversnow?Why?No,therearenotmanytreesandrivers.Becausewecuttrees,webuildbuildingsandfactories.Wemaketherivernotclean.Thereislessgrass.Picture1—2Picture7—8Picture4—5【設計意圖】再次橫向閱讀，帶著問題思考去閱讀，在學生初步得出答案后，再與組員交流，學生可以進一步去完善問題的答案，經過這些訓練，可以讓學生加強對文本的理解。Step4讀中活動--第三遍：聯系將來1.總結過去到現在的變化教學活動學生活動預設PPT板書1.(Yes,everyonegetsaverygoodansweraboutwhyitchanges.Soletmeshowtwopicturesoftheearthbeforeandnow.)2.學習healthy3.Change的變化問題：Whatcoloristhefirstearth?Whatcoloristhesecondone?Why?Whichoneishealthy?Whichonedoyoulike?green,healthy,(1)Thereweremanytreesandcleanriversbefore.(2)Therearemoreandmorebuildingsnow.兩個地球變化的關系圖2.猜猜可能會變的樣子Ifwechangeagain,whatwilltheearthhappen?教學活動學生活動預設PPT板書1.Whatwilltheearthbelikeinthefuture?2.Maybein2050.Inthefuture.3.Youcanguess,andthenshareyourideawithyourpartner.小組內交流自己的猜想談談將來肯會怎么樣？Ifwechangeagain,whatwilltheearthhappen?1.Maybe,therewillbenoanimals.Therewillbenocleanrivers.Therewillbenohumans,trees,noforests,nohouses,nofoodtoeat.2.Toomanycars.3.Or:Therewillbemoreandmore________.4.Wewillgotoschoolbyspaceship.Wewillnotgotoschool,maybearobotcanbeateacher.5.Maybebikes,trains,buses,shipssubwayscanflyinthesky.Maybehumanscanfly,too.6.Maybepeoplewillnoteatanyfood.7.Therewillbemanyhousesinthesea.8.Everyonewillhaveaspaceship.Everyonewillliveinthesky.9.Maybehumanswillliveintheforestwithanimals.10.Therewillbemoreandmorecleanriversandtrees...2050將來的地球3.處理文本—future的部分。教學活動學生活動預設PPT板書一、帶問題讀課文Youallguesssomethingmighthappeninthefuture.Inthestory,somethingwillchangeinthefuture.Let’sread.Pleasefindouttheanswerwithyourteammate.1.Whatcanthehouserobotdointhefuture?2.Ifwehelptheearth,whatwillhappen/change?3.Canpeoplemakefriendswiththeanimals?問題二、Checktheanswer（搶答）NowIhave3questionsforyou.Trytoanswerthemassoonasyoucan.You’llget5treesforeachquestion.1.cook,clean,washthedishes2.A.Therewillbemanyforests.B.Therewillbenotmanybirds.C.Therewillbemoreandmorewhales.D.Therewillbemoreandmorebuildings.3.Yes,Becauseifwe_________,______willbe______________.答案關鍵詞匯答案關鍵詞匯4.看視頻，全面理解故事內容。教學活動學生活動預設PPT板書教學活動學生活動預設PPT板書Now,let’swatchthestoryagain.觀看視頻。5.自讀課文教學活動學生活動預設PPT板書Choosethepartthatyoulike,andthenreaditwithyourpartner.讀書圖片【設計意圖】鼓勵學生大膽的去設想將來可能會發生的變化，包括好的、壞的，經過學生大腦想象后，在腦中浮現出各種可能的畫面，更形象的給學生進行了環保意識教育。Step5讀后活動：話題拓展教學活動學生活動預設PPT板書由老師根據板書復述一次1.Todaywetalkalotoftheearth.Beforetheearthwashealthyandbeautiful.Thereweremanytreesandcleanriversontheearth.Thereweremanywhalesinthesea.Thehumansdidn’tcooktheirfood.Butnow,humanshavemanythingstohelpthemcook.Theybuildlotsofbuildings.Therearen’tmanywhalesinthesea.Theearthisnothealt