外研必修1課件備選reading and vocabulary

Module5AlessoninalabReadingWhatcanyousee?Icanseealabinthepicture.Whatapparatusdoweseeinalab?Wherearethey?Whataretheydoing?Pre-reading–1.Brainstorming(2m)Whatwordscanyouthinkofwhenlookingatthepicture?sciencescientificexperimentapparatustesttubetubeholderBunsenburnerbalanceglassrodbeakerBunsenburnerTesttubeTesttubeholder坩堝crucibletongstesttubetongstesttubeholderbalanceBunsenburnerbeakercrucible

glassrodDoyouknowhowwecancarryoutanexperimentsuccessfully?It’sinterestingtodoanexperiment.Butwe’vegotalotofthingstodobeforeanexperiment.First,weshouldbecleartheaimoftheexperiment,theapparatusweneedandhowwecancarryitout(wecallit“method”).Wewatchwhat’shappeningandgettheresult.Lastlyitisimportanttohaveadiscussionontheresultoftheexperiment.Don’tforgettowritedowntheconclusion.Whatisthecorrectordertodescribeascientificexperiment?aimmethodresultconclusionPassageAReadthroughpassageAinthreeminutes.electricaladj.用電的，與電有關(guān)的electricityn.電equipmentn.設(shè)備，裝備reactvi.（化學(xué)）反應(yīng)reactionn.反應(yīng)oxiden.氧化物Steamn.蒸汽，水氣ReadingandVocabularyLookatthepictures.Whatarethey?Doyouknow?

Potassiump1鉀potassiump2Sodium鈉sodiumAluminium鋁aluminiumCalcium鈣calciumMagnesium鎂magnesiumZinc鋅粒zincIron鐵ironCopper銅copperCanyourememberthem?

PleasematchAwithB.AMagnesium

IronCalciumAluminiumCopperZincSodiumPotassiumBAlZnNaKFeCaMgCuWhichofthemetalsinthetablereactsthemostwithoxygenandwater?Whathappenswhenyouheatcalciuminoxygen?Potassium,calciumandsodiumItburnstoformanoxide.3.Whichmetalsreactwithsteam?4.Doesironhaveasloworfastreactionwithsteam?5.Doescopperreactwithwater?Magnesium,aluminiumandzincIthasaslowreaction.No,itdoesn’t.PassageA–3.FastReading(2m)ReadPassageAandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageA–4.DetailedReading(4m)Qs:Whatshouldweknowwhenweusemetals?Whichmetalreactsmostwithwater,potassiumoriron?Itisimportanttoknowhowtheyreactwithdifferentsubstances.Potassiumreactsmostwithwater.PassageB–1.Pre-reading(1m)

Q:Canweputnailsinwetair?PassageB–2.Prediction(1m)Putthewordsintherightplaceoftheexperimentreport.AnExperimentReport1.__________:2.__________:3.__________:(1)(2)(3)4.__________:5.__________:conclusionmethodresultaimapparatusAimApparatusMethodResultConclusionPassageB–3.Scanning(4m)

Rightorwrong.Ironrustseasilyindryair.Tomakesurethere’snoairinthewater,youhavetoboilthewaterfor3minutes.Wedon’tknowwhetherironrustsinordinarywater.FTFPassageB–4.Jigsawreading(5m)Onegroupreadsoneexperimentreport.Thenfillintheformbelow.AimApparatus

MethodIronindryair:Ironinair-freewater:Ironinordinarywater:ResultConclusionTofindoutif...ironnailstesttubesoiltubeholderscottonwoolBunsenburnerAfteraweek,rust(not)rustinPassageB–5.Using(3m)Completethepassageusingwhatwe’velearntinthislesson.Inthefirstpartoftheexperiment,the____isdry.Itshowsthatiron___________indryair.Inthesecondpart,youmust_____thewaterto_____________thatthereisnoairinit.________someoiltothewatercan______theairoutofit.Itshowsthat_____don’trustin____________water.Inthethirdpart,_______thetubewithwater.Itshowsthattheyrustin_________water.airdoesn’trustboilmakesureAddingkeepnailsair-freehalf-fillordinaryPre-reading–3.LearningandUsing(3m)

Completethepassagewithproperwords.Thisisa__________________doneinalab.First,getallthe____________readyonthedesk,acontainer(容器)withsomecoldwaterinit,somepotassium(鉀)andaspoon.Secondly,________somepotassiumintothewater.Thenastronglightwillbeseen,anditlastsforawhile.Wecanreacha__________thatpotassium_______withcoldwater.scientificexperimentapparatusespourconclusionreactsCompletethesentences:1.Inthefirstpartoftheexperiment,the_______isdry,notwet.2.Itshowsthatiron____________whentheairisdry.airdoesnotrust3.Inthesecondpartoftheexperiment,youmust_______thewatertomakesurethereisno________init.4.Youadd________tothewaterbecausethiskeeps_________outofit.boilairoilair5.itshowsthat__________doesnotrustinwaterthathasno_______initnailairActivity4:Reading(PassageB)Readthepassageandcompletethetable.cottonwoolnailsIrondoesnotrust.waterIrondoesnotrust.waterwaterIronrusts.1.Whenweusemetals,itisimportant

toknowhowtheyreactwithdifferent

substances,…reactwith

意為“對……起反應(yīng)”。Anacidcanreactwithabasetoformasalt.酸可以和堿起反應(yīng)而生成鹽。Ironreactswithwaterandairtoproducerust.

鐵與水和空氣起化學(xué)反應(yīng)而生銹。reacttosb/sth

對……作出反應(yīng)Howdidtheyreacttoyoursuggestion?

他們對你的建議有什么反應(yīng)？Shereactedtotheinsultbyturningherbackonhim

她受辱之后就不再理睬他了。reactagainstsb/sth反對，反抗reactagainstthepoliticalsystem反抗政治制度reactonsth對某事物有影響Applausereactsuponaspeaker.鼓掌對演講人會有影響。2.Thereactionofmetalswiththese

substancescanbeputinorder.

inorder意為“井然有序的；整理好的”。inorder有序的，情況良好outoforder無序的，工作不正常，出故障byorderof奉……的命令，按……的指示placeanorderwithsbforsthonorder定購的inorderto為了……inorderthat目的在于；為了；以便Callthenamesinorder.請依照次序叫名字。Hisliverisoutoforder他的肝臟出了毛病。3.Addsomeoiltothewater.addsth.tosth.意為“加；增加”。Ifyouadd5to5,you'llget10.5加5等于10。addto增加，增添某物addupto共計，共達addup加起來1）Thesenumbers_________100.

這些數(shù)字合計是100。_____________allthemoneyIoweyou.

把我應(yīng)付你的錢都加在一起。addupto

Addup

3)Thebadweatheronly_________ourdifficulties.這種壞天氣更增加了4)Five_____________fourisnine.5加4等于9。4.Thiswillkeepairoutofthewater.keep……outof不讓（某人/某物）進入（某處）；使某人避開……，

不卷入addedto

addedto

Keepthatdogoutofmystudy.別讓那條狗進我的書房。Keepthechildrenoutofharm'swayifyoutakethemtothematch.帶孩子看比賽，要注意安全Sheworeahatto______________________________.他戴著帽子遮陽，保護眼睛(不受太陽傷害）。

Keepthesunoutofhereyes.Tryyourbestto___________theirquarrel.A.keepoutB.keepawayC.keepoutofD.keepfromkeepway不接近，使不接近keep...from阻止……做某事……keepoff不接近或不接觸某人/某事物C

keepsthup

繼續(xù)保持keepup持續(xù)不停（尤指天氣）keepupwith跟上，與……同步前進。5.Irondoesnotrustinair-freewater.air-free為形容詞，意為“沒有空氣的”。-free用以構(gòu)成形容詞或副詞，意為“無，免除”。類似的：carefreeadj.無憂無慮的;無牽掛的;輕松愉快的duty-freeadj.&adv.免稅的disease-freeadj.無病的worry-freeadj.無憂無愁的

6.Half-fillatesttubewithwater…fill…with意為“使……滿；填滿”。Hefilledthebottlewithwater.

他把瓶子裝滿水。Hereyeswerefilledwithtears.

她熱淚盈眶。Theresultfilledhisheartwithdespair.

這樣的結(jié)果使他心中充滿失望。7.Leavethetubeforoneweek.leave意為“放置,不去動某物,使