九年级英语全册 Unit 5 Look into Science Lesson 26 Keep the Candle Burning教学设计 （新版）冀教版.doc

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1、Lesson26KeeptheCandleBurningNavigationofthecourse(课程导航)Teachingaims（教学目标）1.词汇(1)掌握单词及短语：match,useup,bemadeupof,onefifth(2)认知词语：holder,shallow,lighter,examine,oxygen2.EnabletodescribetheexperimentinEnglishTeachingimportantpoints(教学重点)GraspmasterywordsandpatternsTeachingdi

2、fficultpoints(教学难点)DescribetheexperimentinEnglishTeachingPreparation:picturesTeachingAids:audiotape,flashcards,picturesTypeoflesson:newlessonTeachingsteps(教学过程设计)Step1.Cometo“THINKABOUTIT”.Letthestudentstalkaboutthequestionsingroups.Thenencouragethemtotalkaboutinclass.Do

3、youlikedoingscienceexperiments?Whyorwhynot?Whatwillhappenifyouputajarupsidedownoveraburningcandle?Step2.Learningnewwordsandphrasesofthetext.Usepicturesasmanyaspossible.Trytoletstudentsgrasptheminclass.matchn.火柴holdern.支撑者shallowadj.浅的lightern.打火机examinev.检查oxygenn.氧气Step

4、3.Listeningtasks.Listentothetapethetapeandtellitistrueorfalse.1.Theexperimentneedsacandleandmatches.2.Weneedtoputwaterinabowl.3.Theexperimentprovestheairhasonefifthofoxygen.Step4.Readingtasks.ReadandfinishExercise1onPage69.Encouragestudentstofinishitindependently.Thenche

5、ckanswersasaclass.Afterfinishingit,askstudentstotrytoretellit.Step5.Explainthelanguagenotestothestudents.1.Lightthecandle.点亮蜡烛。light此处用作动词，意为“点亮”。还可作名词，意为“光；灯”。作形容词，意为“轻的，浅的，明亮的”。Iwantaroomwithgoodlight.我要一个采光好的房间。（名词）Mysweaterislightblue.我的毛衣是浅蓝色的。（形容词）Hesatdownandlitac

6、igarette.他坐下点了一只香烟。（动词）2.Becauseaboutonefifthoftheairismadeupofoxygen,thewaterrisesandfillsaboutonefifthofthejar.因为大约五分之一的空气是由氧气组成的，水上升填充了大约广口瓶的五分之一。1)onefifth意为“五分之一”。英语中表示分数时，分子用基数词，分母用序数词；分子与分母间的连字符可加可不加。若分子大于1，分母则加-s。Twothirdsoftheapplesarered.三分之二的苹果是红色的。2)bemadeupo

7、f意为“由……组成”，of后可接人也可接物，指某物或组织的结构成分。Theclubismadeupoftwelvegirls.这个俱乐部是由12个女孩组成的。Step6.Cometo“LET’SDOIT”.DoExercises2onPage69.Letstudentsworkitoutinpairs.Thencheckanswersasaclass.Homework(作业)Masterthewordandpatternsinthelesson.Dotheexperimentafterclass.