12MatchTask1:Putthesewordsintothreegroupsairglassironmetaloiloxygensaltsteamsteelwater1Gas:steam_____________2Solid:__________________________________3Liquid:__________________airoxygenwaterglassironmetalsaltsteeloil2popotatassiumssiumsodiumsodiumcalciumcalciummagmagnenesiumsiumalualumiminiumniumzinczincironironcoppercopperTask2:MatchnamesofmetalstopicturesReadingandVocabulary阅读与词汇ReadingandVocabulary阅读与词汇2413ThestagesofascientificexperimentThestagesofascientificexperimentconclusionaimresultmethod目标方法结果结论aimmethodresultconclusionItisapieceofelectricalequipment.电力/电器设备Metals金属HeatedinoxygenReactionwithwaterorsteamPotassium钾BurntoformanoxideReactingwithcoldwaterSodium钠Calcium钙Magnesium镁ReactingwithsteamAluminium铝Zinc锌Iron铁ReactsslowlyPartialreactionCopper铜PartialreactionNoreaction*anoxide=anothersubstance+oxygenReadthepassageandchoosethebesttitleforit.PassageATheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenReadthepassageagainandanswerthefollowingquestions:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,sodiumandcalcium.2.Whathappenswhenyouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.CompletethepassagewithproperwordsaccordingtopassageA.Metalsareveryimportant,sowhenusingthemweshouldknowhowthey_____withdifferentsubstances.Takeironusedin________equipmentforexample,when______inoxygen,itwillreactslowly.Whenitisputtogetherwithwateror_____,therewillbeapartial________.reactionreactelectricalheatedsteamPassageBASimpleScientificExperimentASimpleScientificExperiment1.__________:_______________________2.__________:3.__________:(1)…(2)…(3)……4.__________:…5.__________:…aimaimmethodmethodresultresultconclusionconclusionapparatusapparatus3cleanironnails;testtubes;testtubeholder;cottonwool;oil;BunsenburnerTask1:PutthestagesinthecorrectorderTofindoutifironrusts(a)…(b)…(c)…cottoncottonwoolwoolnailsnailswaterwaterwaterwaterwaterwaterThenailshaven’tThenailshaven’trusted.rusted.ThenailsdoThenailsdonotrust.notrust.ThenailsThenailsrust.rust.Irondoesn’trustIrondoesn’trustindryair.indryair.Irondoesn’trustIrondoesn’trustinair-freewater.inair-freewater.IronrustsinIronrustsinordinarywater.ordinarywater.ConclusionConclusion1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust____thewatertomakesurethereisno____init.airdoesnotrustboilairReadthepassageagainandcompletethesentences.P464.Youadd_________tothewaterbecausethiskeeps____outofit.5.Itshowsthat____doesnotrustinwaterthathasno____init.someoilairironair你知道实验室有哪些规则吗？请点击观赏CompletethepassagewithproperwordsaccordingtoPassageAandB.Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveallweshouldknowwhetheritwill____underelectricalreactdifferentconditions.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.rustordinary1.Learnthenewwordsbyheart.2.ReadPassageAandBandtrytoretellit.Thankyou!
