英语：Unit4LookintoScienceLesson25--3课件

,Lesson25LetsDoanExperiment!,Anexperimentshowswhathappens.,Letsdoanexperiment!,Atheoryisanidea.,Pleasefillthejarwithwater.,befilledwithbefullof,Thebagisfilledwithbooks.Thebagisfullofbooks.,turnupsidedown=turnover,Thecupisfullofwater.Dontturnitupsidedown.,Letsdoanexperimentandprovewhosright.,PleaseobservecarefullywhatIdo.,Thatscalledthescientificmethod.,experiment实验；试验theory理论；学说jar广口瓶；罐子fill装满upside上部；上边prove证实；证明observe观察；监视scientific科学的method方法；办法,Fillintheblankswiththerightwordsandthefirstletterisgiven.1.Letsdoane.2.BrianhasonetandDannyhasanother.3.Theycanpwhosright.4.Iturnthejarudown.5.Pleaseocarefully.,xperiment,heory,rove,pside,bserve,.,1.WhatwillBraindo?,Hewilldoanexperiment,1.WhydoesDannysaytheyshoulddothisexperimentoutside?BecauseDannythinksthefloorwillgetwet.2.WhatsBrainstheory?Brianissurethefloorwontgetwet.,QUESTIONS,Finishofftheseexercises.,1.用把装满_2.用把盖住_3.我(不)确信_4.正面朝上_5.把翻转_6.getwet_7.doanexperiment_8.apieceofcardboard_9.inside（反义词）_10.theory（复数）_11.careful(副词）_11.science(形容词）_,fillwith,coverwith,Iam(not)sure,rightsideup,turnupsidedown/turnover,变湿,做一个实验,一块硬纸板,outside,theories,carefully,scientific,Letsdoit,Writedownthestepsofdoingtheexperiment1.Fillajarwithwater.2.Coverthetopwithapieceofcardboard.3.Turnthejarupsidedown.Whatwillhappen?YoumaysayImsureImnotsureThefloorwillgetwet.IthinkThefloorwontgetwetMaybeThecardboardcankeepthewaterinthejar.,Fillintheblankswiththerightwords:Danny:Whatareyoudoing,Jenny?Jenny:Iamdoinganexperiment.Danny:Anexperiment?Whatisitabout?Jenny:Atheoryaboutairforce(大气压力）.Iajarwater.Ithejarapieceofcardboard.ThenIthejar.Canyouguesswhat.Danny:Imsurethatthefloorwill.Jenny:No,Idontthinkso.Danny:Why?Thecardboardcantkeepthewaterinthejar.Becausetheairholdthewater.Thatscalledthe.,fill,with,cover,with,turn,upside,down,willhappen,getwet,scientificmethod,一、Ifillajarwithwater.我用水把瓶子装满。,fillwith用装满(主语是人)befullof/befilledwith(主语是物或容器)同义句转换。1.Theroomsarefullofthestudentsnow.Therooms_thestudentsnow.2.Mypocketisfilledwiththemoney.Mypocket_themoney.选择。5.Canyou_thebox_books?()Afill,withBfull,withCfilled,withDfull,in6.Thechild_allthebowls_water.()Afill,withBfills,withCisfull,withDisfilled,with,arefilledwith,isfullof,A,B,学以致用,学以致用,三、Imsurethefloorwontgetwet.我确信地板不会湿。besure表示肯定,有把握,而benotsure表示不确定besure/benotsure后可接句子，还可接代词、名词、动名词或不定式。常见用法：besureofsb/doingsth,besuretodosth完成下列各题。1.我确信她会来。_thatshewillcomehere.2.他没有把握通过考试_topasttheexam.3.Imsure_Jimplaysbasketballwell.（）AofBtoCthatDwith,Imsure,Hesnotsure,C,PRACTISE,.,He_thestockings_christmaspresents.（用装满）,Pleasepassmeabottle_water.A.fullwithB.filledofC.fillingwithD.fullof,Mymotherisholdingthebook_.（倒着）,我弟弟用一块玻璃盖住了那个杯子。Mybrother_theglass_apieceofglass,我肯定他会来。_hewillcome.,filled,with,D,upsidedown,covered,with,Iamsure,Newwords:sciencescientificexperimentfillprovemethodtheoryjarobservePhrases:befilledwithbefullofcoverwithturnupsidedownSentencePatterns:,sb.besure+that从句,sb.benotsure+疑问词引导的从句,Howdowedotheexperiment,First,_ajar_water.Then,_thetop_apieceofcardboard.Finally,_thejar_.,with,with,turn,fill,cover,upsidedown,请根据所给汉语意思，完成相应的英语句子，每空一词。1.刚才他把箱子装满了苹果。He_thebox_applesjustnow.2.我们确信这是一个明智的决定。We_thatitisawisedecision.3.你能把瓶子倒过来吗？Canyouturnthebottle_?,filled,with,aresure,