外研版 book 1 module 5 reading ppt

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1、外研版高一年级(必修1)Module5Module5ALessoninaLabPostReadingLead-inPassageAPassageBImportantsentencesContentsWhatcanyouseeinthesepictures?BB.aimD.methodA.resultC.conclusionDACPutthesewordsinthecorrectordertodescribethestagesofascientificexperiment.Readthepassageandchoosethebe

2、sttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageAMetalsHeatedinoxygenReactionwithwaterorsteamPotassiumBurntoformanoxideReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteamAluminiumZincIronReactsslowlyPartialreactio

3、nCopperPartialreactionNoreactionTheReactionofMetalsReadthepassageagain.Answerthesequestions.1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,calciumandsodium.2.Whathappenswhenyouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithstea

4、m?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.CompletethepassagewithproperwordsaccordingtopassageA.Metalsareveryimportant,sowhenusingthemweshouldknowhowthey_____withdifferentsubstan

5、ces.Takeironusedin________equipmentforexample,when______inoxygen,itwillreactslowly.Whenitisputtogetherwithwateror_____,therewillbeapartial_______.reactionreactelectricalheatedsteamReadthepassageandfillinthetable.IronindryairIroninair-freewaterIroninordinarywaterStag

6、eA(startingexperiment)cottonwoolwaterwaterPassageBStageB(1weeklater)StageC(Result)nailswaterIrondoesnotrustIrondoesnotrustIronrusts1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust

7、____thewatertomakesurethereisno___init.airdoesnotrustboilairReadthepassageagain.Completethesentences.4.Youadd________tothewaterbecausethiskeeps___outofit.5.Itshowsthat____doesnotrustinwaterthathasno___init.someoilairnailairCompletethepassagewithproperwordsaccordingt

8、oPassageAandB.Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveal