Welcome!labTheyaredoingscientificexperiments.•It’sagoodplacetostudy,•It’sagreatplacetoexplore,•It’sawonderfulplacetodiscovernewthings!MODULE5MODULE5ALessoninaLabALessoninaLabReadingandVocabularyReadingandVocabularyPassageBASimpleScientificExperimentBBB.aimB.aimD.methodD.methodA.resultA.resultC.conclusionC.conclusionDDAACCThestagesofascientificThestagesofascientificexperimentexperimentcleanironnailstesttubestesttubeholdercottonwooloilBunsenburnerApparatus1.Whatistheuseofthecottonwoolinthetesttube?2.Whymustweboilthewater?3.Whatistheuseoftheoil?Thecottonwoolcankeepairdry.Thismakessurethereisnoairinthewater.Theoilcankeepairoutofwater.AnExperimentReport1.__________:2.__________:3.__________:(1)(2)(3)4.__________:5.__________:AimAimApparatusApparatusMethodMethodResultResultConclusionConclusionIronindryairMethod(1)Putsomeironnailsatthebottomofatesttube.(2)Pushsomecottonwooldownthetube.(3)Leavethetubeforoneweek.AimTofindoutifironrustsindryair.Apparatuscleanironnails,atesttube,testtubeholder,cottonwoolResultAfteroneweek,thenailshavenotrusted.ConclusionIrondoesnotrustindryair.IroninthedryairResultThenailsdonotrustinthetubewithair-freewater.ConclusionIrondoesnotrustintheair-freewater.Ironinair-freewaterAimTofindoutifironrustsinwaterthathasnoairinit(air-freewater).Apparatuscleanironnails,atesttube,testtubeholder,Bunsenburner,oilMethodIroninordinarywater(1)Half-fillatesttubewithwaterandaddtwoorthreecleannails.(2)Leavethetubeforoneweek.AimTofindoutifironrustsinordinarywater.Apparatuscleanironnails,atesttube,testtubeholderMethodResultThenailsrustinthetubewithordinarywater.ConclusionIronrustsinordinarywater.IroninordinarywaterIronnailsrustinwetair.cottonwoolcottonwoolnailsnailswaterwaterwaterwaterwaterwaterThenailsThenailshaven’trustedhaven’trustedThenailsdoThenailsdonotrustnotrustThenailsThenailsrustrustASimpleScientificExperimentASimpleScientificExperiment1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust____thewatertomakesurethereisno____init.airdoesnotrustboilair4.Youadd________tothewaterbecausethiskeeps____outofit.5.Itshowsthat____doesnotrustinwaterthathasno____init.someoilairnailairHomeworkChooseoneofthethreeexperiments,thenwriteareport.Completethesentencesusingwhatwelearnt.•Inthefirstpartoftheexperiment,the____isdry.Itshowsthatiron___________indryair.•Inthesecondpart,youmust_____thewaterto_________thatthereisnoairinit.________someoiltothewatercan______theairoutofit.Itshowsthat______don’trustin_______water.•Inthethirdpart,_______thetubewithwater.Itshowsthattheyrustin_________water.airairdoesn’trustdoesn’trustboilboilmakesuremakesureAddingAddingkeepkeepnailsnailsair-freeair-freehalf-fillhalf-fillordinaryordinaryIroninair-freewaterMethod(1)Half-fillatesttubewithwater.(2)Boilthewaterforthreeminutes.(3)Puttwoorthreenailsinthewater.(4)Addsomeoiltothewater.Thiswillkeepairoutofthewater.(5)Leavethetubeforoneweek.reactwithsth.与……发生化学反应reacttosth.对……反应1.reactvi.(化学)反应reactionn.(1).你认为钙会与水发生反应吗？Doyouthinkcalciumreactswithwater?(2).他对那消息没有反应。Hedidn'treacttothenews.add…to…把……加入……addto增加addupto总计是eg.火上浇油Ifyouaddthreetoseven,yougetten.Thesenewly-builtgardensaddtothebeautyofthecity.这些新建的公园增添了这个城市的美丽。这些数字加起来总计是50。Thesenumbersaddupto50.addoiltothefirekeep……outof使……不进入Keepthedogoutoftheroom.不要让狗进入房间。
