高一英语（外研社教学设计） 全省一等奖

Module5AlessoninalabReadingWhenwehaveachemicalclass,theteacherwillshowussomesubstances.Doyouknowwhattheyare?Sodium(钠)Calcium(钙)Magnesium(镁)Aluninium[,æljə'mɪnɪəm]（铝）Zinc（锌）Iron（铁）

Copper（铜）Ifyoulacksomekindsofmicroelement[,maɪkro'ɛləmənt](微量元素),whichfoodshouldyoueat?ironmushroomagaric['æɡərɪk]ZincMagnesiumcornIodine

['aɪədiːn]kelpnoriCalciumbonepeanut

['piːnʌt]BB.aimD.methodA.resultC.conclusionDACDiscusswithyourpartnerandputthesewordsinthecorrectordertodescribethestagesofascientificexperiment.DiscussionFastReadingTheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenListeningtothetapeandchoosethebesttitleforit.PassageADetailedReadingWhatshouldweknowwhenweusemetals?Whichmetalreactsmostwithwater,potassiumoriron?Itisimportanttoknowhowtheyreactwithdifferentsubstances.Potassiumreactsmostwithwater.3.Whathappenswhenyouheatcalciuminoxygen?4.Whichmealsreactswithsteam?Itburnstoformanoxide.Magnesium,aluminiumandzinc.5.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.No,itdoesn’t.7.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,calciumandsodium.

6.Doescopperreactwithwater?MetalsHeatedinoxygenReactionwithwaterorsteamPotassiumBurntoformanoxideReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteamAluminiumZincIronReactsslowlyPartialreactionCopperPartialreactionNoreactionTheReactionofMetalsPostReadingMetalsareveryimportant,sowhenusingthemweshouldknowhowthey_____withdifferentsubstances.Takeironusedin________equipmentforexample,when______inoxygen,itwillreactslowly.Whenitisputtogetherwithwateror_____,therewillbeapartial_______.reactionreactelectricalheated

steamCompletethepassagewithproperwordsaccordingtopassageA.Canweputnailsinwetair?PassageBDiscussionListeningtothetapeanddothesetrueorfalsequestions.FTF1.Ironrustseasilyindryair.2.Tomakesurethere’snoairinthewater,youhavetoboilthewaterfor3minutes.3.Wedon’tknowwhetherironrustsinordinarywater.FastReadingWatchingavideoandcompletethetable.cottonwoolnailsIrondoesnotrust.waterIrondoesnotrust.waterwaterIronrusts.DetailedReading1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust____thewatertomakesurethereisno___init.airdoesnotrustboilairReadthepassageagain.Completethesentences.4.Youadd________tothewaterbecausethiskeeps___outofit.5.Itshowsthat____doesnotrustinwaterthathasno___init.someoilairnailairWhichofthefollowingreactsmosteasilywithsteam?A.Potassium.

B.Iron.

C.Magnesium.

D.Calcium.ReadPassageA(P44)andPassageB(P45)againandchoosethebestanswers.2.Whichofthefollowingreactsleastwithwater?A.Copper.

B.Iron.

C.Aluminium.

D.Sodium.3.WhatcanwelearnmainlyfromPassageB？

A.Howironreactswithair.

B.Howironismade.C.Howwecanpreventironfromrusting.

D.Howironreactswithwater.E.Howironreactswithairandwithwater.CompletethepassagewithproperwordsaccordingtoPassageAandB.Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveallweshouldknowwhetheritwill____under

electricalreactPostReadingdifferentconditions.Otherwiseitwillkeeptheequipmentfromworkingwell.Asweallknow,ifironisheatedinoxygen,itwillreactslowlybutwillnotforman_____.

oxideOntheotherhand,ifitisputtogetherwithwateror_____,therewillbea______reaction.Nextlet’sdoan__________tosupporttheabove.First,getatesttubefilledwithwaterandputitoverthe_____________to___forthreeminutes.steampartialexperimentBunsenburnerboilThenputthreeorfourcleannailsinthewaterwithsomeoiladdedtoitandleavethetubeforoneweek.Whathappens?Theirondoesnot____inair-freewater.Anotherexperiment,ifyouputthenailsinthetubewiththeairinitforoneweek,thenwhathappens?Ironrustsin_______water.

rustordinaryFreeTalk

AccordingtoPassageAandPassageB,doyou