Module-5-A-Lesson-in-a-Lab-课件教案资料.ppt

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1、Module5AlessoninaLab外研社高中英语第一册newwords⒈Tolearnaboutsomevocabularyandknowledgerelatedtoscienceandexperiments⒉ToknowhowtodoasimpleexperimentandwritethereportaboutitinEnglish3.Toraiseinterestsinscienceandformtherightscientificattitude.TeachingAimsBunsenburnercrucible本生灯（煤气喷灯）坩埚Whenthe

2、ironisheated(加热）itwillWhentheironiscooled(遇冷）itwillexpandcontractHowmuchdoyouknowaboutgeneralscience?Howmanystatesdoesmatterexistas?Useyourmind!solidliquidgasoxygenmetalReadthewordstogetherStepIPre-readingPutthesewordsinthecorrectordertodescribethestagesofascientificexperiment.conclu

3、sionaimresultmethodWhenwedoanexperiment,weshouldfirstofallhavean______.Weshoulduseproper_________.Weshouldfindoutthe_________andgeta________.aimmethodsresultconclusionScanning:ListentopassageAquicklyandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMe

4、talswithOxygenPassageACarefulReading;ReadpassageAcarefullyandanswer:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?2.Whathappenswhenyouheatcalciuminoxygen?3.Whichmetalsreactwithsteam?4.Doesironhaveasloworfastreactionwithsteam?5.Doescopperreactwithwater?Potassium

5、,calciumandsodium.Itburnstoformanoxide.Magnesium,aluminiumandzinc.Ithasaslowreaction.No,itdoesn’t.PassageB:Someimportantwordsabouttheexperiment:apparatus(仪器,设备)holder(台、架等)支持物,固定器cottonwool棉絮bunsenburner本生灯（煤气喷灯）IronindryairPut/push/leaveIroninair-freewaterHalf-fill/boil/makesure/put

6、/add/keep-outofIroninordinarywaterHalf-fillandadd/leaveStageA(Startingexperiment)StageB(1weeklater)StageC(Result)________________________________________---nails---nails---nails---nails---nails---nails________________________________________________cottonwoolcottonwoolIrondoesn’trust

7、OillayerwaterOillayerwaterIrondoesn’trustwaterwaterIronrustsConsolidation1Answerthesequestionsingroupsoffour.1)Inthefirstpartoftheexperiment,whatistheuseofthecottonwoolinthetesttube?2.)Inthesecondpart,whatisthereonthesurfaceofthewaterinthetesttube?3)Whatistheuseoftheoil?4)Whyarethena

8、ilsinthetest