冀教版九年级Lesson26张燕

Welcometoourclass!,Comeon!,Lesson26KeeptheCandleBurning,Learningaims:,1.Thenewwords:match,holder,shallow,lighter,examine,oxygen2.Thephrases:useupbemadeupofone-fifth3.sentences(1)Whenthecandlestopsburning,ithasusedupalltheoxygenintheair.(2)Becauseaboutonefifthoftheairismadeupofoxygen,thewaterrisesandfillsaboutonefifthofthejar.4.DescribeandexplaintheexperimentinEnglish.,match(复数)-_n.火柴;比赛useupbemadeupofone-fifthshallowadj.浅的(反义词）_examinev.检查_n.检查，考试holdern.支托物lightern.打火机_v.点燃（过去式_）oxygenn.氧气,matches,用完；用光；,五分之一,deep,由组成,examination(exam),lighted/lit,light,Haveatry,Exercises:,一英汉互译。_用光_one-fifth_由组成_一个烛台二填空。1.Motheruseda_to_(light)acandleandtheroomwasbright.2.Pleasepassmeaboxof_(match).3.Pleasee_yourcarcarefullybeforeyoustartit.4.Plantsandanimalscannotlivewithouto_.5.“Deep”isoppositeof“s_”.,useup,五分之一,bemadeupof,light,matches,lighter,xamine,xygen,acandleholder,hallow,Listenandfillintheblanks.,match,let,uses,burning,rises,onefifth,Letsdotheexperiment.,First._thecandle_thecandleholder.Then._thecandleholder_thedish.Third._thedish_water.Fourth._thecandle.Fifth._thecandle_fortwominutes.Sixth.carefully_thejar_thecandleuntilthetopofthejar_onthedish.Examinethewaterinthejar.Whatcanyousee?,Howdowedotheexperiment?,put,put,on,in,Fill,halffullwith,Light,let,burn,put,over,rests,Thecandlestopsburningandthewaterrisesup.,Thinkitover.,Whydidthecandlestopburning?Whydidthewaterrise?Howfardidthewaterrise?Why?Whatdoesthisexperimentshowaboutair?,Becauseithas_theoxygenintheairandthereis_oxygeninthejar.,Becausetheforceoutsidethejaris_thantheforceinsidethejar.,Becauseabout_theair_oxygen,thewaterrisesandfillsabout_ofthejar.,Itprovedthatthereis_oxygenintheair.,usedup,no,stronger,onefifth,onefifth,one-fifth,ismadeupof,Languagepoints:,1.Asthecandleburns,itusesupoxygenintheair.,usesth.up“用尽(材料)，设法利用(剩余的材料或时间)”,Sheusedupthechickenbones(骨头)tomakesoup.,eatup“吃光”drinkup“喝光”,Shewashungryandateupthebread.,Hedrankupallthewater.,Exercises:Dont_(useup/pushup)alloftheink.Leavesomeforme.,useup,2.Becauseaboutone-fifthoftheairismadeupofoxygen,thewaterrisesandfillsaboutone-fifthofthejar.,bemadeupof由组成Eg:Yourlifeshouldbemadeupofhappiness.Allanimalsandplantsaremadeupofcells.,ExercisesThemedicalteam_(ismadeof/ismadeupof)fiveexperienceddoctors.,ismadeupof,One-fifthfour-fifthsone-thirdtwo-thirds,分数表达法分子基分母序分子大于1分母加S,1/54/51/32/3,基数词,序数词,分子,分母,Practise,1/4,one-fourth,3/7,three-sevenths,Quiz,1.Please_thecandlewitha_tomakeit_.请用火柴点燃蜡烛让它燃烧。2.Mymother_hermoneytobuyclothingyesterday.我妈妈昨天买衣服花光(用光）了她身上所有的钱。3.Inourclass,_ofstudentsareboys,_ofstudentsaregirls.在我们班，三分之二的学生是男生，三分之一的学生是女生。4.He_thebottle_water.他向瓶子里加入半瓶水。5.Ourteam_excellentworkers.我们的团队是由杰出的工人组成的。,usedup,two-thirds,one-third,Tryyourbest,Mychildren!,light,match,burn,filled,halffullwith,ismadeupof,summary,1.Canyoureadthenewwords?(2分)火柴支托物浅的打火机检查氧气2.Canyouusethephrasescorrectly?（2分）useup,bemadeupof,one-fifth,3.Doyouknowthesentences?（3分）Asthecandleburns,itusesupoxygenintheairBecauseaboutone-fifthoftheairismadeupofoxygen,thewaterrisesandfillsaboutone-fifthofthejar.4.CanyoudescribeandexplaintheexperimentinEnglish?（3分）,Doyouthinkscienceisinteresting?Why?,Teacherswords:Scienceissointerestingandweird!Welovescience.Studyhard,youwillbeasci