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1、Welcome!labTheyaredoingscientificexperiments.It’sagoodplacetostudy,It’sagreatplacetoexplore,It’sawonderfulplacetodiscovernewthings!labMODULE5ALessoninaLabReadingandVocabularyPassageBASimpleScientificExperimentBB.aimD.methodA.resultC.conclusionDACThesta
2、gesofascientificexperimentcleanironnailstesttubestesttubeholdercottonwooloilBunsenburnerApparatus1.Whatistheuseofthecottonwoolinthetesttube?2.Whymustweboilthewater?3.Whatistheuseoftheoil?Thecottonwoolcankeepairdry.Thismakessurethereisnoairinthewater.Th
3、eoilcankeepairoutofwater.AnExperimentReport1.__________:2.__________:3.__________:(1)(2)(3)4.__________:5.__________:AimApparatusMethodResultConclusionIronindryairMethod(1)Putsomeironnailsatthebottomofatesttube.(2)Pushsomecottonwooldownthetube.(3)Leave
4、thetubeforoneweek.AimTofindoutifironrustsindryair.Apparatuscleanironnails,atesttube,testtubeholder,cottonwoolResultAfteroneweek,thenailshavenotrusted.ConclusionIrondoesnotrustindryair.IroninthedryairResultThenailsdonotrustinthetubewithair-freewater.Con
5、clusionIrondoesnotrustintheair-freewater.Ironinair-freewaterAimTofindoutifironrustsinwaterthathasnoairinit(air-freewater).Apparatuscleanironnails,atesttube,testtubeholder,Bunsenburner,oilMethodIroninordinarywater(1)Half-fillatesttubewithwaterandaddtwoo
6、rthreecleannails.(2)Leavethetubeforoneweek.AimTofindoutifironrustsinordinarywater.Apparatuscleanironnails,atesttube,testtubeholderMethodResultThenailsrustinthetubewithordinarywater.ConclusionIronrustsinordinarywater.IroninordinarywaterIronnailsrustinwe
7、tair.PassageBcottonwoolnailswaterwaterwaterThenailshaven’trustedThenailsdonotrustThenailsrustASimpleScientificExperiment1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youm
8、ust____thewatertomakesurethereisno____init.airdoesnotrustboilair4.Youadd________tothewaterbecausethiskeeps____outofit.5.Itshowsthat____doesnotrustinwaterthathasno____init.someoilairnailairHomeworkChooseoneofthethreeexperiments,thenwrite
