冀教版九年级上册英语 Keep the Candle Burning 教学设计

初中英语冀教版九年级Unit5LookintoScienceLesson26:KeeptheCandleBurning课题Lesson26KeeptheCandleBurning!课型New课时One教学口标知识目标:Wordsandexpressions能力目标:Doandeent德育目标：Lovescience教学重点一、重点词汇match,light,burn,useup,candleholder,shallow,oakesbdo二、重点句型FillthedishhalffullofwaterTomakeacandleburn,youlightit教学难点Writeacompositiontodescribeaninterestingexperiment.教法Talk,listen,read,practice学法Talk,listen,read,practice教具tapeslides

板书设计Lesson26分数的英语表达1)分数由分子及分母两部分构成。用英语表达时，分子用基数词，分母用序数词。2)若分子为1,则分母的序数词为单数形式，若分子大于1,则分母的序数词用复数形式。3)%=one(a)half或onesecond(one-second)%=one(a)quarter或one-quarter教学教程教师活动学生活动Step1.Greetings.设计意图：让学生做好上课的准备。Step2.Thinkaboutit.1.Doyouthinkscienceisinteresting?Whyorwhynot?Trytoanswerthetwoquestions.EnjoytheEnjoytheprocessofthisexperiment.设计意图：与学生进行一个简短的对话，进入本课主题。Step3.Showstudentsthepicturestoletthemknowtheprocessofthisexperiment.设计意图：通过展示图片让学生理解整个实验过程。Step4.ReadandfillintheblanksReadthetextandfillintheblanks:Readthetextaloudandfillintheblanks.Let'sdotheexperimenttogether!Putthecandleinthecandleholder.Putthecandleholderonthedish.Fillthedishhalffullwithwater.Lightthecandlewithaoralighter.Whatcanyousee?Thecandleisburning.thecandleburnfortwoorthreeminutes.Thencarefullyputthejaroverituntilthetopofthejarrestsonthedish.Asthecandleburns,ittheoxygenintheair.Whenthecandlestops,ithasusedupalltheoxygenintheair.Thewaterinsidethejarandfillsaboutofthejar.ThisisbecauseReadthetextaloudandfillintheblanks.Letthestudentswritetheimportantlanguagedown.Observetheexperiment,andtrytodescribetheexperimentinEnglish.Letthestudentswritetheimportantlanguagedown.Observetheexperiment,andtrytodescribetheexperimentinEnglish.aboutonefifthoftheairismadeupofoxygen.设计意图：让学生带着任务读课文。Step5.LanguagePoints1.分数的表达1)分数由分子及分母两部分构成。用英语表达时，分子用基数词，分母用序数词。2)若分子为1,则分母的序数词为单数形式，若分子大于1,则分母的序数词用复数形式。%=one(a)half或onesecond(one-second)%=one(a)quarter或one-quarter设计意图：通过教师讲解让学生对重点知识更加熟悉。Step6.Doane“inthewater?First,putsomesaltintotheglass.Then,addsomewater.Next,mixthesaltandthewatertogether.Finally,puttheeggintotheglass.设计意图：通过给学生做一个有趣的实验，一方面激发学生学习英语的兴趣，另一方面让学生学习用英语来描述一个实验。

教学教程教师活动学生活动矫正反馈Step7.Eeexercisesaboutthekeypoints.设计意图：通过练习让学生巩固本课的重点知识。Step8.Homework请根据课文内容,以“AnInterestingExperiment,,为题写一篇小作文。Studentsdosomeexercises.课堂测试题一、改错题。Therearelotsofmatchsinthesmallboyunclelaughing?You'reveryill,soyoumuststoptosmoke.Fillthedishhalffillofwater.Thereisaboutone-fiveoxygenintheair.Thereareabouttwo-thirdstudentsintheclassroom.7.Iusedoutmymoney.Canyoulendmesome?二、用所给单词的正确形式填空。

Youareverytired.You'dbetterstop(have)arest.Whatdoyouusetomakeacandle(burn)?Youshouldputthejaroverthecandle(careful).What(observe)canyoumake?Pleasecuttheappleinto(half).He(light)acandleandtheroomwas