高中英语unit3Warming up,pre-reading and reading教案新人教版选修8VIP免费

Unit3InventorsandinventionsWarmingUpPre-reading,Reading---教案TeachingGoals:1.Tolearnaboutthedifferencebetweenadiscoveryandaninvention2.ToarouseSs’interestinlearningaboutthestagesofaninvention3.TodevelopSs’somebasicreadingskills.4.TodevelopSs’abilitytodiscoverandsolvetheproblemsandcultivateSs’creativityandimagination.TeachingProcedures:Step1.WarmingUpPurpose:ToarouseSs’interestinlearningaboutthedifferencebetweenadiscoveryandaninventionGetSsttoguesswhattheinventionisorwhotheinventorisingroupsQuestion1:It`smadeofplasticsandmetal.Itlookslikeasmallbox.Theinventioncancontactsomeonewhileyouareonthemove.SuggestedAnswer:Mobilephone.Question2:TheinventorisfromAmerica.Heisoneofthefatherofinventions.Theinventorinventedthebulb.SuggestedAnswer:Edison2.GetSstotellasmanytheinventionstheyknowaspossibleingroups.3.AskSstolookatthepicturesonP19andanswerthefollowingquestions.(1)Whichofthepicturesisaninvention?(2)Whichofthepicturesisadiscovery?4.GetSstodiscussthedifferencebetweentheinventionsandadiscoveryandgiveadefinitionofthemandgivesomeexamplesofeachcategory.SuggestedAnswer:Aninventionissomethingproducedforthefirsttimethroughtheuseofimaginationoringeniousthinkingandexperimentation.Adiscoverymerelymakesknownsomethingthatalreadyexistsinnature.Step2.Pre-readingPurpose:TogetSstobeawareoftheconnectionbetweeninventingandthescientificprocess.1.LetSsworkinpairsanddecidedwhatthefirstandmostimportantstageistomakeaninvention.2.AskSstofinishtheexerciseofPre-readingonP19andthenchecktheanswerinpairs.Step3.Leading-inPurpose:ArouseSs’interestinthetextandencourageSstoimaginethecontentofthetext.AskSstopredictinpairsthecontentofthetextbasedonthetitleandpictures.Step4.FastreadingPurpose:TogetSstohaveabriefunderstandingofthetext1.AskSstoreadthetextquicklyandtrytogetthemainideaofthewholetext.SuggestedAnswer:Thetextnarratestheproblemofthesnakesandpresentstheproceduresofcatchingthemandapplyingforapatent2.GetSstodividethepassageandworkoutthemainideaforeachpart.PartI(Para1):Thediscoveryoftheproblemofthesnakes.PartII(Para2～3):Theresearchontheapproachestosolvetheproblem.PartIII(Para4～6):Theattemptstocatchthesnakes.PartIV(Para7～8):Therequirementofgettingapatent.Step5.Intensivereading1.AskSstoreadthetextcarefullyandfindoutwhichparagraphorparagraphsdealwitheachinventingprocessinthepassageandfindtheexamples:SuggestedAnswer:ParagraphStageExampleinthisstory1FindaproblemThesnakemustbe__removed_butnot___hurt___2DoresearchLookfor_ways_ofremoval;thehabitatofsnakes3ThinkofacreativesolutionIdentify__three_possibleapproaches:choose_thelastone____4,5,6TestthesolutionseveraltimesTrythree_timestomakeitwork_successfully_7ApplyforapatentThismeansthesolutionisefficiently2.AskSstoworkinpairsandtrytotellwhichofthefollowingstatementsaretrueandwhicharefalse.(1)Whenthewritercalleduphermotherinthecountryonthephoneshewasveryexcited.(2)Thewriterfeltveryproudthatshehadachancetodistinguishherselfbyinventingsomethingthatwouldcatchsnakesbutnotharmthem.(3)Thefirstthingthewritertriedtodowastocatchthesnakes.(4)Thewriterdecidedtoremovethesnakes`habitat.(5)Thewriterusedanice-maker、abowl、somejelly、ice-cubes、abucketandanettocatchthesnakes.(6)Afterthreeattempts,thewriterfinallycaughtthesnakesandsentthemintothewild.(7)Thewriterhimselfdecidedtosendherinventiontothepatentofficetogetrecognitionforhersuccessfulidea.(8)Thecriteriaaresostrictthati...