Unit5LookintoScienceKeeptheCandleBurning

Doyoulikedoingscienceexperiments?Whyorwhynot?WarmingupWhatwillhappenifyouputajarupsidedownoveraburningcandle?NewWords1.holdern.

支托物；持有者2.shallowadj.

淺的3.lightern.

打火機(jī)；點(diǎn)火器4.examinev.

檢查5.oxygenn.

氧氣6.matchn.

火柴v.相稱(chēng)；相配

match作動(dòng)詞時(shí)，既可以作及物動(dòng)詞，也可以作不及物動(dòng)詞，意為“相稱(chēng)；相配”。e.g.apacketofcigarettesandaboxof

matches.一包香煙和一盒火柴Doyouhaveaskirttomatchthisblouse?你有短裙來(lái)配這件襯衫嗎？Yournewcoatlooksverycool.Canyoufindashirttomatchit?你的新外套看起來(lái)非常酷。你能找到一件襯衫來(lái)配它嗎？Thecurtainsandthecolourofthewalldon’tquitematch.窗簾和墻的顏色不是十分相襯。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是形容詞短語(yǔ)，在句中作狀語(yǔ)，表伴隨狀態(tài)。2.Whenthecandlestopsburning,ithas

usedupalltheoxygenintheair.

當(dāng)蠟燭停止燃燒時(shí)，它已經(jīng)耗光了空氣中的氧氣。

useup是固定短語(yǔ)，意為“用光、耗盡”。

其中的up是副詞，意為“完、光、盡”，常

與動(dòng)詞搭配使用。e.g.Hehasusedupallhisenergy.

他已筋疲力盡。【運(yùn)用】根據(jù)漢語(yǔ)意思將下面句子翻譯成英語(yǔ)。盡量別把火柴都用完。__________________________________Trynottouseupthematches.3.Howfardoesthewaterrise?

水面上升了多少？

far在本句中表示“深（的程度）”。

e.g.Theywalkedfarintotheforest.

他們走進(jìn)森林深處。

Don’tworkfarintothenight.

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

因?yàn)榭諝獾奈宸种皇怯裳鯕饨M成的，所以水會(huì)上升到瓶子五分之一的位置。

bemadeupof意思是“用……構(gòu)成或組成的”。指結(jié)構(gòu)成分，指人、物皆可。e.g.Iwantmystafftobemadeupof

excellentworkers.

我希望我的員工都非常出色。

Allanimalsandplantsaremadeupofcells.

一切動(dòng)植物都是由細(xì)胞構(gòu)成的。WriteashortpassagethatexplainshowtheLavainCupexperimentworks.Whatwillhappenifyoumixoilandwaterandthenaddsalttothemixture?5UnitLesson26KeeptheCandleBurning

學(xué)習(xí)目標(biāo)objectives1.掌握鞏固新單詞holder,shallow,lighter,match,examine,oxygen掌握新短語(yǔ):

use

up，bemadeupof,one-fifth2.了解實(shí)驗(yàn)過(guò)程和實(shí)驗(yàn)原理Wordsholdern.支托物；持有者shallowadj.淺的lightern.打火機(jī)；點(diǎn)火器match

n.火柴v.相配examinev.檢查oxygenn.氧氣1.Thewaterhereiss______,notdeep.2.Thedoctore________thegirlcarefullyandsaidtherewasnothingwrongwithher.3.Look!Theboyisplayingwithsome________(火柴).4.Thereislittle______(氧氣)atthetopofthemountains.5.Mr.Blacksatdownand__________(點(diǎn)燃)acandle.I.根據(jù)首字母或漢語(yǔ)提示，完成下列句子。lit/lightedhallowxaminedmatchesoxygenPracticeLanguagepointsWhenthecandlestopsburning,ithasusedup

alltheoxygen知識(shí)點(diǎn)一：Useup用光Youshouldn’tuseupallyourmoney.Whenyouuseitup,youcancallme.知識(shí)擴(kuò)展：eatup,drinkup,burnup知識(shí)點(diǎn)二：Aboutonefifthoftheairismadeupofoxygen.bemadeupof:由……組成Ourfootballteamismadeupof11students.知識(shí)擴(kuò)展：

①bemadeof“由….制成”看得出原材料Thisdeskismadeofwoodbemadefrom“由….制成”看不出原材料Thewineismadefromgrapes.bemadein“在….生產(chǎn)”產(chǎn)于某地ThesecomputersaremadeinGuangzhou.知識(shí)點(diǎn)三：Whenthecandlestopsburning,ithasusedupalltheoxygenStopdoing停止做某事Whentheteachercamein,allthestudentstoppedtalking.知識(shí)點(diǎn)四：Thereisaboutonefifthoxygenintheair.*分?jǐn)?shù)的表達(dá)：分?jǐn)?shù)=分子分母基數(shù)詞序數(shù)詞1序數(shù)詞>1序數(shù)詞+s____________________________注：“分?jǐn)?shù)+of+名詞”作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的單復(fù)數(shù)與of后的名詞單復(fù)數(shù)相一致。Twofifthsofthestudentsinourclassaregirls三分之一onethird三分之二twothirdsattention：二分之一：a/onehalf(不說(shuō)：onesecond)四分之一：a/onequarter(還可說(shuō)：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.(黑龍江齊齊哈爾)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