冀教版九年级英语上册 （Keep the Candle Burning）Look into Science!课件

Unit5LookintoScienceKeeptheCandleBurning

Doyoulikedoingscienceexperiments?Whyorwhynot?WarmingupWhatwillhappenifyouputajarupsidedownoveraburningcandle?NewWords1.holdern.

支托物；持有者2.shallowadj.

浅的3.lightern.

打火机；点火器4.examinev.

检查5.oxygenn.

氧气6.matchn.

火柴v.相称；相配

match作动词时，既可以作及物动词，也可以作不及物动词，意为“相称；相配”。e.g.apacketofcigarettesandaboxof

matches.一包香烟和一盒火柴Doyouhaveaskirttomatchthisblouse?你有短裙来配这件衬衫吗？Yournewcoatlooksverycool.Canyoufindashirttomatchit?你的新外套看起来非常酷。你能找到一件衬衫来配它吗？Thecurtainsandthecolourofthewalldon’tquitematch.窗帘和墙的颜色不是十分相衬。1.Readthelessonandfillintheblanks.Let'sdoit!

Let’sdotheexperimenttogether!Putthecandleinthecandleholder.Putthecandleholderonthedish.Fillthedishhalffullwithwater.Lightthecandlewitha______oralighter.matchWhatcanyousee?Thecandleisburning.___thecandleburnfortwoorthreeminutes.Thencarefullyputthejaroverituntilthetopofthejarrestsonthedish.Asthecandleburns,it_____theoxygenintheair.Whenthecandlestops________,ithasusedupalltheoxygenintheair.LetusesburningThewaterinsidethejar_____andfillsabout________ofthejar.Thisisbecauseaboutonefifthoftheairismadeupofoxygen.risesonefifth2.Circlethecorrectwordstocompletethesentences.1.Don’t(useup/pushup)alloftheink.Leavesomeforme.2.Themedicalteam(ismadeof/ismadeupof)fiveexperienceddoctors.3.Pleasefillthehole(with/in)sandandwater.4.Theydidn’trealizetheirmistake(until/as)wetoldthem.5.Mybrotherwasn’t(strongenough/enoughstrong)toliftthebox.PROJECTSCIENCE?THAT’SINTERESTING!

Readabouttheexperimentinthislesson.Withagroupofclassmates,practicetheexperiment.Doyourexperimentinfrontoftheclass.Don’tforgetthefollowingthings:●First,describeyourexperiment.●Second,asktheclasswhattheythinkwillhappen.●Third,dotheexperiment.●Finally,asktheclassiftheresultiswhattheyexpected.1.Fillthedishhalffullwithwater.

倒半碟水。

halffullwithwater是形容词短语，在句中作状语，表伴随状态。2.Whenthecandlestopsburning,ithas

usedupalltheoxygenintheair.

当蜡烛停止燃烧时，它已经耗光了空气中的氧气。

useup是固定短语，意为“用光、耗尽”。

其中的up是副词，意为“完、光、尽”，常

与动词搭配使用。e.g.Hehasusedupallhisenergy.

他已筋疲力尽。【运用】根据汉语意思将下面句子翻译成英语。尽量别把火柴都用完。__________________________________Trynottouseupthematches.3.Howfardoesthewaterrise?

水面上升了多少？

far在本句中表示“深（的程度）”。

e.g.Theywalkedfarintotheforest.

他们走进森林深处。

Don’tworkfarintothenight.

不要工作到深夜。4.Becauseaboutonefifthoftheairismadeupofoxygen,thewaterrisesandfillsaboutonefifthofthejar.

因为空气的五分之一是由氧气组成的，所以水会上升到瓶子五分之一的位置。

bemadeupof意思是“用……构成或组成的”。指结构成分，指人、物皆可。e.g.Iwantmystafftobemadeupof

excellentworkers.

我希望我的员工都非常出色。

Allanimalsandplantsaremadeupofcells.

一切动植物都是由细胞构成的。WriteashortpassagethatexplainshowtheLavainCupexperimentworks.Whatwillhappenifyoumixoilandwaterandthenaddsalttothemixture?5UnitLesson26KeeptheCandleBurning

学习目标objectives1.掌握巩固新单词holder,shallow,lighter,match,examine,oxygen掌握新短语:

use

up，bemadeupof,one-fifth2.了解实验过程和实验原理Wordsholdern.支托物；持有者shallowadj.浅的lightern.打火机；点火器match

n.火柴v.相配examinev.检查oxygenn.氧气1.Thewaterhereiss______,notdeep.2.Thedoctore________thegirlcarefullyandsaidtherewasnothingwrongwithher.3.Look!Theboyisplayingwithsome________(火柴).4.Thereislittle______(氧气)atthetopofthemountains.5.Mr.Blacksatdownand__________(点燃)acandle.I.根据首字母或汉语提示，完成下列句子。lit/lightedhallowxaminedmatchesoxygenPracticeLanguagepointsWhenthecandlestopsburning,ithasusedup

alltheoxygen知识点一：Useup用光Youshouldn’tuseupallyourmoney.Whenyouuseitup,youcancallme.知识扩展：eatup,drinkup,burnup知识点二：Aboutonefifthoftheairismadeupofoxygen.bemadeupof:由……组成Ourfootballteamismadeupof11students.知识扩展：

①bemadeof“由….制成”看得出原材料Thisdeskismadeofwoodbemadefrom“由….制成”看不出原材料Thewineismadefromgrapes.bemadein“在….生产”产于某地ThesecomputersaremadeinGuangzhou.知识点三：Whenthecandlestopsburning,ithasusedupalltheoxygenStopdoing停止做某事Whentheteachercamein,allthestudentstoppedtalking.知识点四：Thereisaboutonefifthoxygenintheair.*分数的表达：分数=分子分母基数词序数词1序数词>1序数词+s____________________________注：“分数+of+名词”作主语时，谓语动词的单复数与of后的名词单复数相一致。Twofifthsofthestudentsinourclassaregirls三分之一onethird三分之二twothirdsattention：二分之一：a/onehalf(不说：onesecond)四分之一：a/onequarter(还可说：a/onequarter)四分之三：three-fourthsthreequartersDosomeexercises三分之二五分之三two-thirdsthree-fifths四分之一

one-quarter九分之四four-ninthsExercises:1.TheT-shirt___theblueskirt.Theyfityouverywell.A.expressesB.matchesC.comparesD.goes2.Ourearth____seasandland.A.ismadeofB.ismadefromC.ismadeinD.ismadeupof

3.Therearemanystudentsinourschool.____ofthem___girls.(黑龙江齐齐哈尔)A.Onethird;isB.Onethird;areC.Twothirds;is4.Danny___hismoneyandhadtogohome.A.AteupB.putupC.usedupD.turnedup5.Stop___aboutthetraffic.Justthinkaboutwhatwecandotoimproveit(上海)AplainB.tocomplainC.complainingD.complained√√√√√Whatdoyouneed?acandleacandleholderabigglassjarashallowdishsomewateralighterormatchesWhatdoyoudo?1.Putthecandleinthecandleholder.2.Putthecandleholderonthedish.3.Fillthedishhalffullwithwater.4.Lightthecandle.5.Letthecandleburnfortwoorthreeminutes.6.Carefullyputthejaroverthecandleuntilthetopofthejarrestsonthedish.7.Examinethewaterinthejar.Whatcanyousee?Thinkabo