冀教版英语八下《unit 4 look into science》（lesson30）word教案

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1、Unit4LookintoScienceLesson30KeepthecandleBurning!Teacher:YuZhaoxinTextbook:English(StudentBook4)[Content:Unit4Lesson30KeepTheCandleBurningStudents:JuniortwostudentsDate:2008-04-08Learningaims:1.Learnthenewwords:match,light,burn,useup,shallow,candleholder,oxygen,one-fifth2.Lear

2、ntheimportantsentences:①Lightthecandle.②Asthecandleburns,itusesupoxygenintheair.③Thereisaboutone-fifthoxygenintheair,sothewaterrisesandfillsaboutone-fifthofthejar.Learningimportantanddifficultpoints:分数的表达法：口诀：分子基，分母序，分子>1，分母加s[e.g.one-fifth;two-thirdsLearningmethod:Listen,say,

3、readandwrite.Learningsteps:Setp1.Classopening1.Revision:Whichexperimentdidyoulearninthisunit?2.Presentation[Step2.ReadingReadthenewwordsandwrite.Step3.ExperimentWatchtheexperiment.SumupstepsofexperimentStep4.ListeningListentothetapeandfindouttheusefulexpressionsandthedifficult

4、points,andthinkabout“whatwillhappen?”.Step5.Explainandwriting1.light①作动词：意思是点燃]②作名词：意思是光，光线，灯；e.g.Thelightistoopoortoread.Therearetwolightsinourclassroom.③做形容词：意思是轻的，不重的；e.g.Thiscoatislightbutverywarm.2.useup意思是耗尽，耗费；e.g.Wehaveuseduptheink.3.分数的表达法：口诀：分子基，分母序，分子>1，分母加se.g.one-

5、fifth;two-thirdsStep6.DoexercisesLet`sdoanexperiment.Fistfinda_______andthenputitinthe________.Wheredoweputthecandleholder?Outitinthe_______._________thedish________fullofwater.Afterthat,wecan________thecandle.Letthecandle________fortwoorthreeminutes.Atlastputthejar________the

6、candle.Whatcanwesee?Asthecandleburns,it________upoxygenintheair.Whenthecandlestop________,ithasusedupalltheoxygen.Thewaterinsidethejargoes________.Step7.Sumup1.Masterthewordsandexpressions.2.Mastertheexperiment.Step8.Homework1.Understandthemeaningofthetextanddoitinsamllgroups.

7、2.Rememberthemasterywords.3.Finishtheactivitybookinlesson30.4.Thenextreading.