外研社高中英语必修一Module5 Reading and vocabulary.ppt

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1、AlessoninalabModule5ReadingandVocabulary学习目标1.识别、正确拼读所学金属词汇和dissolve,heat,substance,rust,metal等重点词汇。2.掌握如何从科学实验报告类的文章、表格中快速获取关键信息，把握文章写作意图。3.掌握科学实验的正确操作步骤，把握实验类文章的整体结构。4.明白英语学习对于未来查找国外科技文献、资料的重要性。Wherearethey?Whataretheydoing?Inalab.Somesubstancereactedwiththewaterand

2、dissolvedinit.Whatmetalsdoyouknow?potassiumsodiumcalciummagnesiumaluminiumzinc钾ironcopper钠钙镁铝锌铜铁potassiumsodiumcalciummagnesiumaluminiumzinc钾ironcopper钠钙镁铝锌铜铁MemorytestWhatwillhappentothemetals?potassiumsodiumcalciummagnesiumaluminiumzincironcopperwhenheatedwater/stea

3、mReadthepassagein2minutesandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageAMetalHeatedinoxygenReactionwithwaterorsteamPotassiumBurnstoformanoxide*ReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteam蒸汽Alu

4、miniumZincIronReactsslowlyPartialreactionCopperPartialreactionNoreactionAnswerthesequestionsaccordingtothetable.(3’)Whichmetalsreactthemostwithoxygenandwater?Whathappenswhenyouheatcalciuminoxygen?Whichmetalsreactwithsteam?Doesironhaveasloworfastreactionwithsteam?Doesc

5、opperreactwithwater?Potassium,calciumandsodium.Itburnstoformanoxide.Magnesium,aluminumandzinc.Ithasaslowreaction.No,itdoesn’t.Nailsareeasytorustinthewetair.Why?Whataretherightstagesofascientificexperiment?methodaimconclusionresultapparatusAnExperimentReport1._________

6、_:2.__________:3.__________:(1)(2)(3)4.__________:5.__________:AimApparatusMethodResultConclusionPassageB1.Aim:2.Whatareneededtodotheexperiment?Tofindoutifironrusts(a)indryair;(b)inair-freewater(c)inordinarywater.Readthefirstthreeparagraphsin1minuteandfindouttheaimand

7、apparatusoftheexperiment.cleanironnailstesttubestesttubeholdercottonwooloilBunsenburnerApparatus:Readtheleftpartin3minutesandfillintheblanks.cottonwoolnailswaterwaterwaterThenailsdonotrustThenailsdonotrustThenailsrustConclusion:Nailsrustinwaterwithair.1.Inthefirstpart

8、oftheexperiment,the__isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust___the