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1、AlessoninalabModule5LearningAimsLearnsomenewwordsandphrasesaboutscience2）learnsomeknowledgeaboutscience3）Toimprovess’readingskill4)LearntowriteasciencereportMatchnamesofmetalstopictures.potassiumsodiumcalciummagnesiumaluminiumzincironcopperPassagesAFreetalkQs:1.Canyoui
2、magineaworldwithoutmetals?Itishardtothinkofaworldwithoutmetals.Why?Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.句型：Itis+adj.+(forsb.)todosth.（对某人来说）做某事是……翻译：每天锻炼很有必要。Itisnecessarytotakeexerciseeveryday.对我们来说，学好英语很重要。I
3、tisimportantforustolearnEnglishwell.形式主语真正主语Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.steelironRetellelectricalequipment2.Whatshouldweknowwhenweusemetals?Whenweusemetals,itisimp
4、ortanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.(1)Reactwith…与…产生化学反应翻译：很多化学(chemical)物质和氧气反应。Manychemicalsubstancesreactwithoxygen.(2)Reactto…对…做出反应，反应我们的眼睛会对光做出反应。Oureyesreacttolight.3.Thereactionofmetalswiththesesubstancescanbeputinorder.He
5、reisatablewiththemetalsthatreactmostatthetop,andreactleastatthebottom.Put…inorder把…按顺序排好把房间里所有东西整理好。Puteverythingintheroominorder.4.Practice：AskandanswerinpairsWhichmetalreactsthemostwithoxygenandwater?Whathappenswhenyouheatcalciuminoxygen?Whichmetalsreactwithsteam?Doe
6、sironhaveasloworfastreactionwithsteam?Potassium.Itburnstoformanoxide.Magnesium,aluminium,zincSlow.5.Choosethebesttitleforthepassage.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageB Task:WriteanexperimentreportCanweputironnailsinwetair?ru
7、strustedrusted1.Whatcanyouseeinthepicture?scientificexperimentApparatusBunsenburnertesttubetesttubeholdercottonwoolPutthesewordsinthecorrectordertodescribethestages(阶段)ofascientificexperiment.ConclusionaimresultmethodAimMethodResultConclusionconclusion,method,result,ai
8、m,apparatusAnExperimentReport1.__________:2.__________:3.__________:(1)(2)(3)4.__________:5.__________:AimApparatusMe
