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1、Module5ALessoninaLab第三课时一、教学目标1.知识与技能a.重点词汇和短语usedto,intheareaof,beproudof,besupposedto,facility,crucible,balance,tongs,react,stage,mixture,setupb.重点句式Thehotterthemixture,thequickerthereaction.P94Continuetoheatthemixtureuntilthewaterevaporates,leavingthesaltinthecrucible.P9
2、4Usingtongstoholdthetesttube,heheateditovertheBunsenburner.P94That’swhenthingsstartedtogowrong.P94...asthelecturersarepeoplewhohavemaderealdiscoveriesintheirareaofscience.P49I’mbecomingmoreandmoreinterestedinphysics.P492.态度与方法Enablethestudentstodescribeanincidentinasciencec
3、lass.3.情感态度与价值观Helpthestudentslearnhowtodescribeanincident.Helpthestudentslearnhowtowriteadescriptionofanexperimentaccordingtotheoutline.二、Teachingimportantanddifficultpoints教学重点和难点Helpthestudentsdiscussincidentsthathavehappenedintheirscienceclasses.三、Teachingmethods教学方法Dis
4、cussionandpairwork.四、Teachingaids教具准备Acomputerandaprojector.五、Teachingprocedures&ways教学过程与方式StepⅠRevisionCheckthestudents’homework.Forthesetwoexercises,askthestudentstoreadoutthecompletesentences.T:FromExercise4,weknowthatwecanusemuch,abit,alot,alittletomodifythecomparative
5、expressions.Besidesthese,wehaveotherwordstodothis.Nowpleaselookatthesentencesonthescreen.Readthesentencesandpayattentiontotheboldface.YouhavefarmoreimaginationthanIhave.It’sslightlywarmertoday.She’sactuallyagooddealolderthanshelooks.Doyoufeelanybettertoday?Shewasnoolderthan
6、Zilla.Youmustgoandgetsomemoremilk.Heisfat,buthisbrotherisstillfatter.Thisbookisevenmoreusefulthanthatone.Mysisteristenyearsyoungerthanme.You’reaheadtallerthanJane.Itwasone-fourthcheaperthanthemarketprice.Afterthestudentshavefinishedreading,askthemtomakeaconclusionofthewords
7、tomodifythecomparativedegree.T:Bynowwe’velearnedmanywordsthatcanmodifythecomparativedegree.Whatarethey?S1:Theyaremuch,alot,far,abit,alittle,slightly,any,no,some,even,still,ahead,tenyearsandsoon.T:Yeah,that’sright.Now,that’sallforthehome-work.Let’scometoReading.StepⅡLead-inT
8、:Doyouknowthisman?S1:HeisTingZhaozhong,aworld-famousChinesescientist.HeoncewontheN