Teachingplanwater徐兰珍一、案例背景古人云教师：传道、授业、解惑，当今教书育人是教师的天职。由此可见教师的职责都应以育人为第一位，教书为第二位，教师不再是教书匠，而是伟大的教育家。教师不仅要传授给学生科学知识，更要教育学生做人的基本道德。二、教学内容六年级第二学期Unit9:seawaterandrainwater三、情感目标通过对地球上水资源的了解及水的重要用途的认识，让学生懂得节约用水的重要性，同时懂得如何保护我们的水资源。四、教学目标掌握usesth(not)todosth及savewaterby(not)doingsth句型五、教育过程1、Showslides幻灯片1Earthistheonlyplanetinthesolarsystemknowntocontainuseablewater.Evenso,theamountofusablewaterontheplanetisfarlessthanwhatiscommonlyperceived.OfallthewateronEarth,97percentisseawater,toosaltytodrink.TwopercentislockedintheremoteArcticandAntarcticicecapsandglaciers.Muchoftheremainingonepercentexistsaswatervaporintheatmosphere.Thatleaveslessthanonepercentoffresh,useablewaterforalltheplantsandanimalsonearth.Somescientistshaveprojectedthatthedemandforfreshwaterwillsoonoutstripthesupply.TheypredictthatabouttwothirdsoftheEarth'spopulationwillfacewatershortagesby2025.Millionsofpeoplewillbecome"waterrefugees"astheyareforcedfromtheirhomelandsinsearchofcleanfreshwater.幻灯片2However,thelackofpotablewaterisn'tonlyaproblemforfuturegenerations;itisaproblemhereandnow.Youngonesarehitthehardest.Insomeareasoftheworld,manychildrensufferfromgastroenteritisorareinfectedwithparasiticroundwormsandflagellates.Watershortagesandunsanitarydrinkingwater,bothresultingfromalackofwaterpurificationfacilities,arethemainculprits.AccordingtotheUnitedNationsInternationalChildren'sEmergencyFund(UNICEF),morethan1.6millionchildrendieeachyearfromcausesrelatedtounsanitarydrinkingwater.Thisfigurerepresentsnearly4,400childdeathseveryday--enoughtofill12jumbojets.If12jetsfilledwithchildrencrashedeachandeveryday,theworldwouldhavelongagomobilizedtorectifythesituation.Unfortunately,thesamenumberofdeathsbydrinkingdirtywaterhasnotcommandedenoughattentionyet,andchildrencontinuetopaythepriceforourindifference.Whatcanwedoaboutthistragicsituation?Howcanwehaltthisslideintochaosandmaintainaworldwheredrinkingwaterisadequateandsustainable?2、DiscussingroupsWhatwillhappenifthereisnowater(A.AthomeB.InthecountrysideC.Inthecity)AthomeIfthereisnowatertodrink,wecanonlyliveforaboutthreedayswithoutwater.Ifthereisnowater,wewillnotbeabletobrushourteeth.Ifthereisnowater,wewillnotbeabletohaveashower.Ifthereisnowater,wewillnotbeabletowashourclothesorthedishes.InthecountrysidePlantsandanimalsneedwatertogrow.Ifthereisnowater,theywilldie.Wewillnothaveanyrice,anyvegetablesoranymeat.Wewillhavenothingtoeat.Wecanonlyliveforaboutoneortwoweekswithoutfood.Ifthereisnowaterinthestreamsorrivers,fishwillhavenowheretolive.Theywilldie.Wewillhavenowheretoswim.InthecityIfthereisnowater,thecooksinrestaurantswillnotbeabletocookfood.Ifthereisnowater,firemenwillnotbeabletoputoutfires.AtschoolIfthereisnowater,studentscouldn’thavetheirlessonsinthelaboratory.Thetoiletswillnotbecleaned.Studentswillhavenowatertodrink.Wewillhavenowatertowashourhands.3、小组完成项目：TheuseofwaterPeople(athome)Students(atschool)Otherpeople(atwork)ForbrushingForshoweringFor____________________Inartlessons:(whenyourteacherasksyoutopaintapicture)(whenyourhandsaredirty)__________________________Farmers:________________________cooks:_________________________firemen:_________________________4、ShowslidesTheuseofwater.Drill“usesth.todo“5、Lookatthepicturesintheposter,completethesentences(savewater)Don’tbrushyourteethunderarunningtap.Don’twashthedishesandplatesunderarunningtap.Don’twashvegetablesunderarunningtap.Fixthedrippingtap.TurnthedrippingtapoffTakeashowerratherthanabath.Don’twastewaterforplayinggames.6、Workingroupswriteareport------HowcanwesavewaterWecansavewaterbyfixingarunningtap.Drill:savewaterbydoingsthsavewaterbynotdoingsth7、HowtoprotectourwaterWaterisveryimportanttothehumanbeings.Butnowmanyriversandlakesarepolluted.Andwhatshallwedo?Wecandolikethesethings:Firstallofusmustknowwaterontheearthislimited.Wecantellthevisitpeoplehowimportantthewateris.Weshouldhavetheideatosaveit.Secondwemustuseproperly.Wemustprotectthefactoryformpouringwastewaterintotheriver.Weshouldstoppeoplefromthrowinglitterintotheriver.Manykindsoflittermaypollutetheenvironment.Finallyleteverybodyknowhowtosavewater.Wecanreusewateragainandagain.Afterdoingthesethings,Ithinkwaterwillbecomeclearersoonerorlater.Wewillbeabletohaveenoughwaterforustouse.五、形成共识：水是地球生物赖以存在的物质基础，水资源是维系地球生态环境可持续发展的首要条件，因此，保护水资源是人类最伟大、最神圣的天职。
