Unit13ThewaterplanetⅠ.BriefStatementsBasedontheUnitAsweallknow,theearthisanoceanplanetand99%percentofthelivingspaceonearthisintheoceans.Itiswaterthatmakestheoceansuchagreatplacetolivein.Thisunitmainlydealswiththepropertiesofwaterandhowthepropertiesofwatermaketheoceanbecomesoimportant.Welearnthisunittohelpstudentsnotonlyknowaboutthepropertiesofwater,butalsolearnhowtousewaterinagoodway.Besides,welearnthisunittoletstudentsrealizetheimportanceofprotectingwater.Ofcourse,itisnecessaryforstudentstomastertheimportantphrasesandsentencesintheunit.MeanwhileweshouldreviewsomeimportantusageofModalVerbs.Ⅱ.TeachingGoals1.Talkaboutwaterandtheocean.2.Practisecommunicativeskills.3.ReviewModalVerbs.4.Writeanexplanationparagraph.Ⅳ.TeachingTime:(SixPeriods)1stperiod:Warming-upandspeaking2ndperiod:Listening3rdperiod:Reading(1)4thperiod:Reading(2)5thperiod:WordsstudyandGrammar6thperiod:Integratingskills功能句式Thewaterisbeingusedto/for...Weshould/could...Ifwe...,wecan...Itwouldbebetterto...Whatwillwedoif...?Canyouthinkofabetterwayto...?词汇1．四会词汇cube,sailor,benefit,transport,range,unique,hydrogen,atom,oxygen,relative,solid,freezing,pure,gramme,relationship,mass,cubic,kilogramme,float,decrease,substance,centigrade,absorb,thus,stable,sensitive,steady,trust,nursery,recreation,gallon2．认读词汇mariner,property,plankton,molecule,salinity,dissolve,density,volume,用心爱心专心115号编辑capacity,motion,dense,estuary,tide,mammal,reproduce,pollutant,erosion,define3．词组搭配benefitfrom,alltheway,bemadeupof,freezingpoint,becomeavailableto,mixwith,takeadvantageof,giveoff,add..to...,playa(bad)trickonsb,protectfrom,avarietyof4．重点词汇benefit,disadvantage,property,range,substance,dissolve,available,float语法TheModalVerbs-ReviewPossibility:can/could,may/mightcertainty:must,will,shouldAbility:can/could,beabletopermission:can/could,may/mightRequests:can/could,will/wouldsuggestions:could/may/might,shallNecessity:must,haveto,havegotto,needadvice:should,oughtto,hadbetter重点句子1.Lifeintheoceansrangesfromthetiniestplanktonallthewayuptogiantslikesharksandwhales.2.Whatisitthatmakestheoceansuchagreatplacetolive?3.Thetwohydrogenatomsfromapolarmolecule,thatis,onewithaslightlypositiveendandonewithaslightlynegativeend.4.Thenutrientsinwhateverfallsintotheoceanwillquicklybecomeavailabletootherlivingcreatures.5.Marineorganismstakeadvantageofthedensityofwater.6.Ifitdidn’t,theoceanswouldbefrozensolid.7.Sincechangesinsalinityandtemperatureaffectwater’sdensity,thewaterintheoceanisalwaysmoving.8.Thecirculationaddsenergytothemarineecosystemsandmovesnutrientsaround.用心爱心专心115号编辑FirstPeriodWarmingup&SpeakingTeachinggoals:1.Learnandmasterthenewwordsandtheusefulexpressionsofthispart.Words:cube,sailor,disadvantages,entertainmentPhrases:comeupwith,happentoUsefulexpressions:Thewaterisbeingusedto/for…Weshould/could…Ifwe…wecan…Itwouldbebetter…2.Learnsomethingaboutwaterbydoingexperiment.3.Dosomelistening.4.Improvethestudents’speakingabilitybytalking.TeachingImportantPoints:1.Makethestudentsbefreetotalkaboutwater.2.Improvethestudents’listeningabilitybylistening.TeachingDifficultPoints:1.Howtofinishthetaskofspeaking.2.Howtoimprovethestudents’listeningability.TeachingMethods:1.Listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial.2.Individual,pairorgroupworktomakeeverystudentworkinclass.T...
