Unit5LookintoScienceLesson25:Let’sDoanExperiment!I.Learningaims:Masterthenewwords:experiment,jar,upside,pour,correct,scientific,method,raincoat,force,pressure,concludeII.Learningimportantanddifficultpoints:1)Icoverthetopwithapieceofcardboardandholditthere.2)IamsosureofmytheorythatBriancandotheexperimentoveryourheadandIknowyouwon’tgetwet.3)Theforceoftheairkeepsthewaterinthejar.4)Itisstrongenoughtoholdthewater.LanguagePoints:1.Icoverthetopwithapieceofcardboardandholditthere.我用纸板把上面盖住然后托住它。【用法】句式cover…with…意为“用……覆盖……”，类似句式becoveredwith表示“被……覆盖”，这是一个系表结构。【举例】①Mymothercoveredthetablewithcloth.我妈妈用布把桌子盖住了。②Thebediscoveredwithpaper.床上盖满了纸。2.IamsosureofmytheorythatBriancandotheexperimentoveryourheadandIknowyouwon’tgetwet.我对布莱恩在你头上做实验的理论很有把握，并且你不会湿的。【用法】这句话中的句式besureof意为“对……有把握”；thatBriancandotheexperimentoveryourhead是定语从句，修饰前面的名词theory。【举例】①Areyousureofthismatter?你对这件事情有把握吗？②ThisisthebookthatIborrowedfromthelibrary.这是我从图书馆借的书。3.Itisstrongenoughtoholdthewater.它力量很大足以把水托住。【用法】句中的enoughtodo…意为“足以……做某事”，这里的enough起副词作用，用在形容词或副词后作状语。【举例】Allanisoldenoughtogotowork.艾伦到上班年龄了。Evaluationfeedback(测评反馈)I.根据括号中所给的汉语用适当的词语填空。1.Theteacherisshowingthe___________tothestudents.（实验）2.Danny,areyougoodat_________?（科学）3.Youcan__________mywordsarecorrectsoonerorlater.（证实）4.Allthebottlesare____________water.（装满）5.Youcantryitinanother______________.（科学的方法）II.根据句子意思用适当的介词填空。1.Thestudentsaretalking_______theirexperiment.2.Doyouknowwhatwillhappen_________inahundredyears?3.LiMing,doyouknowthegirl________theredswimsuit?4.Pleasedotheexperiment________thejarfull.5.Theyhavenochairstosit_________now.教学反思：
