M5-2PassageB

Module5Alessoninalab Reading MgFeCaAlCuZnNaK MagnesiumIronCalciumAluminiumCopperZincSodiumPotassium Whatcanyouseeinthepicture Icanseealab Whatapparatus 仪器 doweseeinthelab p reit s balance testtubeholder testtube crucible坩埚 glassrod r d beaker bi k 烧杯 Bunsenburner本生灯 煤气加热灯 tongs t z 钳子 tju b kru s bl alcoholburner Whatisthecorrectordertodescribeascientificexperiment aim method result conclusion apparatus conclusionapparatusaimresultmethod Carryoutanexperimentsuccessfully It sinterestingtodoanexperiment Butwe vegotalotofthingstodobeforeanexperiment First weshouldbecleartheaimoftheexperiment theapparatusweneedandhowwecancarryitout wecallit method Wewatchwhat shappeningandgettheresult Lastlyitisimportanttohaveadiscussionontheresultoftheexperiment Don tforgettowritedowntheconclusion PassageB Pre reading Canweputnailsinwetair Ironnailsrustinwetair Takeaquicklookatthepassageandputthewordsintherightplaceoftheexperimentreport AnExperimentReport1 2 3 1 2 3 4 5 conclusionmethodresultaimapparatus Aim Apparatus Method Result Conclusion Readthepassageagainandthenfillintheformbelow Tofindoutif ironnailstesttubesoiltubeholderscottonwoolBunsenburner Afteraweek rust not rustin Somequestionsindetail 1 Whatdowecallthewaterwithoutair 2 Whydoweusethecottonwool 3 Howcanwegettheair freewater 4 Whydoweneedtheoil Readthepassageandcompletethetable cottonwool nails Irondoesnotrust water Irondoesnotrust water water Ironrusts Completethepassage Inthefirstpartoftheexperiment the isdry Itshowsthatiron indryair Inthesecondpart youmust thewaterto thatthereisnoairinit someoiltothewatercan theairoutofit Itshowsthat don trustin water Inthethirdpart thetubewithwater Itshowsthattheyrustin water air doesn trust boil makesure Adding keep nails air free half fill ordinary AsimpleScientificExperimentTheaim purposeofthisexperimentistofindoutwhether Toconducttheexperimentproperly youneedthefollowingthings Thestepsareasfollows Firstput Next Andthen Finallyyoucansee Therefore wecandraw reach arriveattheconclusionthat Retellthepassagebasedonthestructure AsimpleScientificExperimentTheaim purposeofthisexperimentistofindoutwhetherironrustsinair freewater Toconducttheexperimentproperly youneedthefollowingthings ironnails testtubes oil tubeholders bunsenburner Thestepsareasfollows First half fillatesttubewithwaterandboilthewaterforthreeminutes Next puttwocleannailsinthewater Andthen addsomeoiltothewaterandleavethetubeforoneweek Finally youcan