Module5ALessoninaLabreading教案Teachingaimsanddemands:1.Tolearnaboutsomevocabularyandknowledgerelatedtoscienceandexperiments.2.Toknowaboutsomemetalsandgettoknowtheirmainusesinourlives.3.TomakethestudentsknowhowtodoasimpleexperimentandwritethereportaboutitinEnglish.4.Todealwithalltheactivities1-6aboutpassageAandpassageBonpage44-45.5.Todevelopstudents’expressionabilityaswellasreadingabilitybypracticingthesetwopassages.6.Toraisestudents’interestsinscienceandformtherigorousscientificattitude.Teachingkeypoints:1.Tomakethestudentsunderstandandgraspthevocabularyandknowledgerelatedtoscienceandexperiments.2.Toenablethestudentstoknowhowtoreadsomepassagesaboutsimplescientificexperiments.Teachingdifficulties:TomakestudentslearnhowtowriteanexperimentreportinEnglishTeachingmethods:⒈CommunicativeApproach⒉Task-basedApproach⒊Aural-oralApproachwiththehelpofthemulti-mediacomputerandtherecorderTeachingaids:Multi-mediacomputer;Software;PowerPoint;RecorderTeachingprocedures:Step1:Lead-inAtfirstshowthestudentsthepictureofalabwiththehelpofcomputer.用心爱心专心Thendesignthefollowingquestionsandaskthestudentstodiscussthemingroups:1.Areyouinterestedindoingscientificexperiments?2.Supposeyouwanttodoachemicalexperimentaboutsomemetals,doyouthinkitisnecessarytoknowabouthowtheyreactwithothersubstances?3.Inordertocarryoutanexperimentsuccessfully,whatshouldyouprepareforit?ThisstepistowarmupthestudentsandraisetheirintereststospeakEnglishinclass.Becauseallthesequestionsareveryclosetothestudents’dailylifeandstudyingStep2.Pre-readingTeacher:Sinceyouareinterestedindoingscientificexperiments,nowlet’sgettoknowsomevocabularyandknowledgerelatedtoscienceandexperiments.AtthesametimeIcantypeoutsomepicturesaboutsomemetalsonthescreenwiththehelpofthecomputerasfollows:⑴potassium(钾)⑵sodium(钠)⑶calcium(钙)⑷magnesium(镁)⑸aluminium(铝)⑹zinc(锌)⑺iron(铁)⑻copper(铜)AsItypeouteachoftheabovepictures,Icanaskthestudentslikethis:What’sthis?Andwhatcanitbeusedfor?Atthismomentthestudents’interestsareprobablyapproachingaclimax.SoIfurtherask用心爱心专心themlikethis:Doyouwanttoknowmoreaboutthesemetals?Anddoyouknowhowwecanusethesemetalsbetter?Well,thisiswhatwe’llstudyverysoon.Thisstepisemployedtocreatealanguageenvironmentforstudents’communicationandarousetheirinterestsinreadingpassageAandpassageBonpage44-45Step3.ReadingPassageAT:Well,let’sreadthroughpassageAwiththetapeofitveryquicklytotrytocatchitsmainidea.ThenfinishActivity2onpage44andgiveyourreasons.Next,asktheSstoreadpassageAverycarefullytofindouttheanswersinActivity3onpage44.Finishthisactivitybymulti-mediacomputer.Itcanbedesignedasfollows:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,calciumandsodium.2.Whathappenswhenyouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.PassageBT:Well,frompassageAwecanseehowinterestingtheexperimentaboutthereactionofmetalsis!Butdoyouknowhowwecancarryoutachemicalexperimentinalabsuccessfully?Andwhatisthecorrectordertodescribeascientificexperiment?AsktheSstolookatActivity1onpage44andgivethemabout2minutestodiscussit.Thencollecttheanswersfromthem.Atthesametimetypeoutthecorrectansweronthescreenwiththecomputerasfollows:用心爱心专心T:Now,let’scometosee“Asimplescientificexperiment”!ThenplaythetapeofpassageBforthestudentsandaskthemtoreadthepassagewiththetapequicklyandfinishActivity4onpage44.Inordertoleadthestudentstoreadthetextverycarefully,thefollowingtask-basedquestionscanbesignedtoaskthemtoanswer:⑴Canyouguessthemeaningoftheword“apparatus”throughthecontext?Haveyouknownalloftheapparatusesofthisexperiment?⑵Inthesecondpartoftheexperiment,whymustyouboilthewater?Andthenwhydoyouaddsomeoiltothewater?ForQuestion1,somestudentsmaybefeelstrangetosomeapparatuses.Ifso,thefollowingpicturescanbetypedoutwiththehelpofcomputertohelpSstoknowabout:TheninordertomaketheSsconsolidatewhattheyreadinpassageBandcheckiftheyhaveunderstoodtheexperimentverywell,Activity5onpage46canbetypedoutonthescreenwiththehelpofcomputerasatask-basedactivity。Step4.Discussion1.Doyouthinkitiseasyordifficultforyoutocarryoutascientificexperimentwell?Andcanyoudescribehowtodoitsuccessfullyinsimplewords?2.Ifyouwanttolearnsciencesubjectswell,whatqualitiesdoyouthinkyoushouldhave?(Possibleanswers:Weshouldbecareful/serious/diligent/patient/thoughtful/etc.)ThisstepistoconsolidatewhatSshavelearntinthislesson,inadditiontopenetratingthemoraleducationtolovescienceandformtherigorousscientificattitude.Step5.Homework1.WriteacompletescientificexperimentreportinsimpleEnglish.用心爱心专心aimmethodresultconclusionBunsenburnerTesttubeholderTesttube2.Underlinethelanguagepointsyoucan’tunderstandinthetext.3.GoontoreadtheCUTULCORNERreadingpassageofthismoduleonPage49.用心爱心专心
