冀教版九年級(jí)英語(yǔ)上冊(cè) （Keep the Candle Burning）Look into Science!教學(xué)課件

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?ThinkaboutitWhydidthecandlestopburning?Howfardoesthewaterrise?Why?Becausethecandlehasusedupalltheoxygenintheair.Itrisesaboutone-fifthofthejar.BecauseaboutonefifthoftheairismadeupofoxygenWhydidthewaterrise?Becausetheforceoutsidethejarisstrongerthantheforceinsidethejar.Listentothetapeandreadafterit!Writingtime___thecandleburns,itusestheoxygenintheair.Whenthecandlestops____,ithas_____alltheoxygenintheair.Thewaterinsidethejar___andfillsabout___ofthejar.Thisisbecauseaboutonefifthofthejarismadeupofoxygen.AsburninguseduprisesonefifthHomework1.ExpressthisexperimentinEnglish2.DoourexercisebookLesson26.HomeworkKeeptheCandleBurningUnit5LookintoScience

課前自主預(yù)習(xí)Lesson26

KeeptheCandleBurning單詞闖關(guān)1.火柴；相稱；相配________2．holder______________→(v.)________3．shallow________4.lighter____________→(v.)________5．examine________→(n.)__________6．oxygen________

支托物，持有者matchhold淺的打火機(jī)，點(diǎn)火器

light檢查

examination氧氣短語(yǔ)互譯1.用光；用完________________2．由……組成________________3．兩三分鐘________________4．howfar________________5.onefifth________________bemadeupofuseuptwoorthreeminutes多遠(yuǎn)五分之一Lesson26

KeeptheCandleBurning句型在線1.倒半碟水。________thedishhalffull________water.2.

讓蠟燭燃燒兩三分鐘。________thecandle________fortwoorthreeminutes.3．當(dāng)蠟燭停止燃燒時(shí)，它(蠟燭燃燒)已經(jīng)用完了空氣中所有的氧氣。Whenthecandle________________，ithas________________alltheoxygenintheair.Fillwith

burnLet

stops

burning

usedupLesson26

KeeptheCandleBurning句型在線4.因?yàn)榇蠹s空氣的五分之一是由氧氣構(gòu)成的，所以水上升并填滿了大約廣口瓶的五分之一。Becauseaboutonefifthoftheair________________________ofoxygen,thewaterrisesandfillsaboutonefifthofthejar.5.

你能做這個(gè)實(shí)驗(yàn)嗎？Canyou________________________？ismadeup

do

thisexperimentLesson26

KeeptheCandleBurning課堂互動(dòng)探究詞匯點(diǎn)睛

matchn.火柴v.相稱；相配[觀察]Hequicklystruckamatchtolighthiscigarette.他迅速地擦著一根火柴，點(diǎn)燃了他的香煙。Lesson26

KeeptheCandleBurning[探究]match作“火柴”講時(shí)，是________名詞。搭配：一根火柴________________；一盒火柴aboxofmatches?？蓴?shù)a/onematch[拓展](1)match用作名詞，還可譯為“比賽”。IlikewatchingfootballmatchesonTV.我喜歡通過(guò)電視看足球比賽。(2)match還可用作動(dòng)詞，意為“相稱；相配”。常用結(jié)構(gòu)：match(with)sb./sth.(insth.)(在某方面)和某人/某物相匹配。Yourscarfdoesn'tmatch(with)yoursweater.＝Y(jié)ourscarfandsweaterdon'tmatch.你的圍巾和毛衣不搭配。Thepicturematchesthestory.這張圖片與這個(gè)故事相匹配。Lesson26

KeeptheCandleBurning活學(xué)活用

(1)門被漆成了藍(lán)色，為的是與墻(的顏色)相配。Thedoorswerepaintedblue________________thewalls.(2)桌子上有兩盒火柴。Thereare________________________________onthetable.toLesson26

KeeptheCandleBurningmatchtwoboxesofmatches句型透視1

Whenthecandlestopsburning,ithasusedupalltheoxygenintheair.當(dāng)蠟燭停止燃燒時(shí)，它(蠟燭燃燒)已經(jīng)用完了空氣中所有的氧氣。Lesson26

KeeptheCandleBurning

[探究](1)stopdoingsth.意為“_____________”。(2)useup意為“______________”，相當(dāng)于runoutof。停止做某事用光，用完Lesson26

KeeptheCandleBurning

[拓展]stoptodosth.意為“停止正在做的事情去做另一件事情”。stopsb.fromdoingsth.意為“阻止某人做某事”。活學(xué)活用

1．2017?常州—Whydoesn'tthesurgeonstop________lunch?—Becauseheistoobusy________adyingpatientintheoperationroom.A．tohave;tosaveB．having;tosaveC．tohave;savingD．having;savingCLesson26

KeeptheCandleBurning2

Becauseaboutonefiftho