高中英语 Module 5 A lesson in a lab-reading课件 外研版必修1.ppt

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1、AlessoninalabModule5LearningAimsLearnsomenewwordsandphrasesaboutscience2）learnsomeknowledgeaboutscience3）Toimprovess’readingskill4)Learntowriteasciencereport1.Whatcanyouseeinthepicture?2.Whatotherwordscanyouthinkofwhenyoulookatthepicture?science-scientificexperimentapparatu

2、sequipmentBunsenburnertesttubetubeholdertongsbalancecruciblebeaker烧杯&glassrod玻棒Watch&saymetal:potassium钾burnreactwithcoldwaterform(newsubstance)GW:Matchnamesofmetalstopicturespotassiumsodiumcalciummagnesiumaluminiumzincironcopper1.Fast-readingQs:Whatshouldweknowwhenweusemeta

3、ls?Itisimportanttoknowhowtheyreactwithdifferentsubstances.PassagesA2.Hereisatablewiththemetalsthatreactmostatthetop,andreactleastatthebottom.MetalHeatedinoxygenReactionwithwaterandsteampotassiumBurnstoformanoxideReactingwithcoldwatersodiumcalciummagnesiumReactingwithsteamalu

4、miniumzincironReactsslowlyPartialreactioncopperPartialreactionNoreacton3.Practice：AskandanswerinpairsWhichmetalreactsthemostwithoxygenandwater?Whathappenswhenyouheatcalciuminoxygen?Whichmetalsreactwithsteam?Doesironhaveasloworfastreactionwithsteam?Doescopperreactwithwater?Po

5、tassium.Itburnstoformanoxide.Magnesium,aluminium,zincSlow.No,itdoesn’t.1.Forwhatpurposedoestheauthorshowthetable(within10words)2.WhichsentenceinPassageAcanbereplacedbythefollowingone?Usingmetals,weshouldknowhowthemetalschangewhenthey’remixedwithothersubstances.3.Translatethe

6、followingsentenceintoChineseHereisatablewithmetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom4.Choosethebesttitleforthepassage.ATheDifferentUsesofMetalsBTheReactionofMetalsCTheReactionofMetalswithOxygen4.体验高考AnswerthequestionsaccordingtothePassagesA1.Forwhatp

7、urposedoestheauthorshowthetable(within10words)Toshowhowdifferentmetalsreactwithdifferentsubstances.2.WhichsentenceinPassageAcanbereplacedbythefollowingone?Usingmetals,weshouldknowhowthemetalschangewhenthey’remixedwithothersubstances.Whenweusemetals,itisimportanttoknowhowthey

8、reactwithdifferentsubstances.Hereisatablewithmetalsthatreactmostatthetop,an