2014年秋高中英语Module5ALessoninaLab（第一课时）课件外研版必修.ppt

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1、Module5AlessoninaLab外研社高中英语第一册newwords⒈Tolearnaboutsomevocabularyandknowledgerelatedtoscienceandexperiments⒉ToknowhowtodoasimpleexperimentandwritethereportaboutitinEnglish3.Toraiseinterestsinscienceandformtherightscientificattitude.TeachingAimslabtesttub

2、ebalanceBunsenburnercrucible本生灯（煤气喷灯）坩埚Whentheironisheated(加热）itwillWhentheironiscooled(遇冷）itwillexpandcontractHowmuchdoyouknowaboutgeneralscience?Howmanystatesdoesmatterexistas?Useyourmind!solidliquidgasoxygenmetalReadthewordstogetherStepIPre-readingPutth

3、esewordsinthecorrectordertodescribethestagesofascientificexperiment.conclusionaimresultmethodWhenwedoanexperiment,weshouldfirstofallhavean______.Weshoulduseproper_________.Weshouldfindoutthe_________andgeta________.aimmethodsresultconclusionScanning:Listen

4、topassageAquicklyandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageACarefulReading;ReadpassageAcarefullyandanswer:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?2.Whathappenswhenyouhea

5、tcalciuminoxygen?3.Whichmetalsreactwithsteam?4.Doesironhaveasloworfastreactionwithsteam?5.Doescopperreactwithwater?Potassium,calciumandsodium.Itburnstoformanoxide.Magnesium,aluminiumandzinc.Ithasaslowreaction.No,itdoesn’t.PassageB:Someimportantwordsa

6、bouttheexperiment: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/add/keep-outofIroninordinarywaterHalf-fillandadd/leaveStageA(Startingexperiment)StageB(1weeklater

7、)StageC(Result)________________________________________---nails---nails---nails---nails---nails---nails________________________________________________cottonwoolcottonwoolIrondoesn’trustOillayerwaterOillayerwaterIrondoesn’trustwaterwaterIronrustsConsolidat

8、ion1Answerthesequestionsingroupsoffour.1)Inthefirstpartoftheexperiment,whatistheuseofthecottonwoolinthetesttube?2.)Inthesecondpart,whatisthereonthesurfaceofthewaterinthetesttube?3)Whatistheuseoftheoil?4)Whyar