冀教版九年级英语上册 （Let's Do an Experiment）Look into Science!教学课件

Lesson25

Let’sDoanExperiment

学习目标：A.

掌握本课重点词汇experimentjarupside

scientificpourcorrectmethodforcepressureconclude掌握本课重点句子1.Ifillajarwithwater.2.I’msosureofmytheorythat…3.Icoverthetopwithapieceofcardboardandholditthere.4.Iturnthejarupsidedown.

根据句意及汉语提示完成单词

1.Don’tturntheplate________(上边)down,John.2.Youranswerisn’t_________(正确的).3.We’llsolvetheproblemby_______(力量)ifnecessary.4.Hehasanew________(方法)ofteachingEnglish.5.Let’s________(倒入)themilkintotheblender.practiceupsidecorrectforcemethodpour1.WhydoesDannysaytheyshoulddothisexperimentoutside?BecauseDannythinksthefloorwillgetwet.

2.What’sBrain’stheory?

Brianissurethefloorwon’tgetwet.QUESTIONS

Finishofftheseexercises.1.用……把……装满

______________2.用……把……盖住

______________3.我(不)确信……_________________4.把……移开

________________5.把……翻转_______________________________6.getwet__________7.doanexperiment

__________8.apieceofcardboard______________9.inside（反义词）________10.theory（复数）_____11.careful(副词）_______12.science(形容词）______fill…with…cover…with…Iam(not)sure…take…offturn…upsidedown变湿做一个实验一块硬纸板outsidetheoriescarefullyscientific一、Ifillajarwithwater.我用水把瓶子装满。

fill…with…

用……装满……(主语是人)

befilledwith…/befullof…

(主语是物或容器)同义句转换。1.Theroomsarefullof

thestudentsnow.Therooms_______________thestudentsnow.2.Mypocketisfilledwiththemoney.Mypocket_______________themoney.

选择。3.Canyou______thebox_______books?

()

Afill,withBfull,withCfilled,withDfull,in4.Thechild_____allthebowls______water.()Afill,withBfills,withCisfull,withDisfilled,with

arefilledwithIsfullofAB学以致用二.Icoverthetopwithapieceofcardboardandholditthere.我用一张硬纸板盖住顶部，把它举在那里。

cover…with…

用……覆盖……becoveredwith

(被动语态）1.我把纸板盖在了广口瓶上。

Icoveredthejarwiththecardboard.2.操场被雪覆盖了。

Theplaygroundiscoveredwithsnow.三.Iturnthejarupsidedown.

我把广口瓶倒置。turn…upsidedown

的意思是“倒置，翻转”.Youcanturntheglassupsidedown.

你可以把玻璃杯倒过来。WecanturnDannyupsidedown.

我们可以把Danny倒过来。四、Iamsosureofmytheorythat…我对我的理论有把握

besureof对…有把握,确信.后跟名词，代词，动名词

besure/benotsure

后可接句子，

完成下列各题。1.他确信会成功。He_________success.2.我确信他会来。_____________thatshewillcomehere.3.I’msure_________myanswer.（）AofBwithCatDinI’msureAissureofPRACTISE:..

⒈He____thestockings____Christmaspresents.（用…装满）⒉Pleasepassmeabottle___water.A.fullwithB.filledof

C.fillingwithD.fullof⒊

我的妈妈正在把箱子倒过来。

Mymotheristurningthebox__________（倒着）.⒋我弟弟用一块玻璃盖住了那个杯子。

Mybrother______theglass____apieceofglass⒌

我肯定他会来。___________hewillcome.

filledwith

Dupsidedown

coveredwith

Iamsure

Newwords:experimentscientificupsidejarpourcorrectmethodraincoatforcepressureconcludePhrases:fill…with…befilledwith

＝befullofcover…with…turn…upsidedownbesureof…

SUMMARYReadthetextagainandagaintillyoucandescribe