高中英语 Module 5 3rd period教案 外研版必修1VIP免费

TheThirdPeriodTheGeneralIdeaofThisPeriodInthisperiodwe’regoingtolearnanotherreadingpassage.TeachingAims1.Learnandmasterthefollowingwordsandexpressions:rustboilordinarysteamfloatformdissolveaddtokeepoutof2.Learntodescribeasimplescientificexperiment.TeachingDifficultPoints1.EnabletheSstowriteareportonascientificexperiment.2.Learntousethenewwordsandexpressionsinthispart.TeachingMethodsReading,questionandanswer.TeachingAids1.ataperecorder2.acomputer3.sometesttubes,nails,Bunsenburner,balance,tongsTeachingProceduresStep1GreetingsGreetthewholeclassasusual.Step2RevisionShowthemetalslearnedinthelastperiodtotheclassandaskthemtonametheminEnglish.Step3PresentationReadthepassagetofindtheanswerstothequestions.1.What’stheaimoftheexperiment?2.Whatequipmentdoweneedinordertodotheexperiment?3.Howlongdoesittaketoseewhetherironrustsinthethreecases?4.Howcanwetaketheairoutofwater?5.Howcanoilpreventairenteringwater?(Showthequestionsaboveonthescreen.)Step4ReadingReadthepassageindividuallyandthendiscussinpairsorgroups.It’sagoodtimetolearnthenewwordsandunderstandthemeaningofthepassage.Step5CallbacktheanswersfromtheSs1.Itistofindifironrustsindryair,inair－freewaterorinordinarywater.2.Weneedsometesttubes,testtubeholder,cottonwool,oilandBunsenburner.3.Aweek.4.Wecantakeairoutofwaterbyboilingit.5.Becauseoilislighterthanwater,itstaysonthesurfaceofwater.Step6Learnthenewwords1.AsktheSstopickoutthenewwordsinPassageB.Writethewordsontheblackboard.rust,testtubes,nails,Bunsenburner,boil,ordinary2.Readthenewwordsafteryoutwice.Bringouttheapparatusonthedesk.Step7CarefulreadingT:Well.Nowrereadthepassagecarefullytofurtherunderstandit.ThenworkinpairstofillintheblanksonPage45.Step8Languagepoints1.Addsomeoiltothewater.在水中加点油。addsth.tosth.elseAddsomesugartothesoup.在汤里加点盐。Heplannedtoaddaroomtohishouse.他打算再扩建一间屋子。Fiveaddedtotenmakesfifteen.五加十等于十五。2.Thiswillkeepairoutofthewater.这会使空气不进入水中。keep...outof...把……挡在外面;不让……靠近Thedogissmelly.Keepitoutoftheroom.这狗身上很难闻，把它弄到屋子外面去。Keepoutoftherailroadtrack.请勿靠近铁轨。3.Ironrustsinordinarywater.铁在普通的水里会生锈。ordinary一般的;普通的;平常的inordinarydress穿着便服ordinarywork平常的工作Step9PracticeCompletethesentencesonP46,Part5.Keys:1.nail2.doesnotrust3.boil;air4.oil;air5.iron;airStep10Assignment1.Dotheexperimentingroupsofthreeafterclass.2.Reportasimilarexperimentyouhavejustdoneinthelab.Step11ThedesignofthewritingontheblackboardModule5ALessoninaLabTheThirdPeriod1.What’stheaimoftheexperiment?2.Whatequipmentdoweneedinordertodotheexperiment?3.Howlongdoesittaketoseewhetherironrustsinthethreecases?4.Howcanwetaketheairoutofwater?5.Howcanoilpreventairenteringwater?rust,testtubes,nails,Bunsenburner,boil,ordinaryaddsth.tosth.elsekeep...outof...ordinaryStep12ActivityandInquiryStepsStudents’ActingTeacher’sOrganizing1Completethedescriptioninvolvedinsomecarefulreadingforspecificinformation(scanning)andreorganizetheinformation.Remindthestudentshowtheyusuallywriteupscientificexperiments.2Completethedescriptionontheirown,andthenchecktheiranswersinpairs.Askthestudentstocompletethedescriptionontheirown.3Givetheanswers.Playtherecordingagain.