选修八unit3公开课v

Unit3预习案反馈TaskI:A/An___________isfindingoutsomethingalreadyexistinginnaturebutnotyetknown.A/An__________issomethingthatcreatedbyhumanbeings______oftenleadtoinventions.______areoftenbasedondiscoveriesTaskV.TaskVIparastage1DoresearchThinkofcreativesolutions4,5,6ApplyforapatentBecauseSnakesarecold-bloodedanimalswhichdonothaveawayofkeepingwarmintheirbodies.Theygetwarmthfromthesunandbecomemoreactiveatthistime.Whenthesungoesdownatnighttheycooldownandbecomelessactive.Soextracoolingtothesnakewouldmakethemevenlessactiveandeasiertocatch.Findaproblem23Testthesolutions7,8discoveryinventiondiscoveriesinventions教学目标知识目标：学习unit3warmingup&reading能力目标：通过阅读课文使学生掌握阅读理解中细节题，作者意图题的解题方法情感目标：培养学生对发明创造的兴趣爱好思考成为一名发明家应该具备的性格品质Guesswhattheinventionisorwhotheinventoris.Warmingup•Thisinventionlookslikeabird.•It’smadeofmetal.•Itmakesitpossibleforpeopletoflytodifferentplacesintheworld.•Itispoweredbyanengineandisflownbyapilot.30102040Whatisit?Airplane•Thisinventioncanhelppeopleinthestreet.•Itlookslikeatreestandingbesidethestreet.•Itdirectscarsandtrucks.•Itusescoloredlights.Redmeansstopping,greenmeansgoing.Trafficlights30102040Whatisit?•It’smadeofplasticsandmetal.•Itlookslikeasmallboxwithascreenandbuttonsonit.•Withtheinventionyoucancontactsomeonewhileyouarewalking.402030Whatisit?Mobilephone•TheinventorisfromAmerica.•Heisoneofthefatherofinventions.•Theinventorinventedthebulb.402030Whoishe?Edison•Hewasaworld-famousinventorfromSweden.•Hereisoneofhisphotos.•Heinventeddynamite(炸药).•Afamousprizewasnamedafterhim.Whoishe?40203050AlfredNobelthestepseveryinventormustgothroughApplyingforapatentFindingaproblemDoingresearchTestingthesolutionThinkingofacreativesolutionDecidingontheinvention1.___________________________2.___________________________3.___________________________4.___________________________5.___________________________6.___________________________Pre-readingWhatdoyouusetocatchsnakes?ReadingTheproblemofthesnakesSkimmingtogetgeneralideasWhat’sthemainideaofthetext?Thetextismainlyabouttheauthor’sexperienceinhelpinghermothergetridofthe_______andapplyingforthe_________forherinvention.snakespatentScanningfindoutwhichparagraphorparagraphsdealwitheachinventingstepsandfillintheblanksSkimming:Findoutwhichparagraphorparagraphsdealwitheachinventingprocessinthepassageandfindtheexamples:paragraphStagesExamplesinthisstoryFindaproblemThesnakemustbe________butnot______DoresearchLookfor________ofremoval;researchthe______ofsnakesThinkofacreativesolutionDecideon_______possibleapproaches:choose___________.caughtharmedapproacheshabitsthreethelastone123Task1TestthesolutionseveraltimesMake_____attemptsandfinallythe_____oneissuccessful.ApplyforapatentThismeansthesolutionis___________4,5,67,8threerecognizedthirdChoice:Thepurposeofthetextis__________.A.toshowushowtotrapthesnakesbutnottokillthemB.totellpeoplehowtoapplyforapatentofthewriter’snewideaC.tointroducethewriter’snewideaoftrappingthesnakesandherapplicationforapatentD.totellthereadershowtogetanewideaandmakeitapatentCarefulreading1.Whatwasthemotherupsetabout?2.Whywasthewriterhappytohelphermother?Stageone:findaproblemThemotherwasupsetbecausesomesnakeshadmadetheirhomeintheircourtyard.Thewriterwashappybecauseitgaveherachancetodistinguishherselfbyinventingsomethingmercifulthatwouldcatchthesnakesbutnotharmthem..TodosthsowellthatpeoplenoticeandadmireherStagetwoDoresearchWhydidn’ttheauthorusepowderstogetridofthesnakes?Becausetheyaredesignedtokillsnakes.Soanew___________wasclearlyneeded.approachresearchStage3ThinkofacreativesolutionListthethreepossibleapproaches:•Firstly,__________________________.•Secondly,________________________________________________________.Thirdly,_____________________________________________________________.•Finally,theauthorchoosethe_____one.removingtheirhabitat;attractingthemintoatrapcoolingthemsothattheywouldusingmaleorfemaleperfumeorfoodbecomesleepyandcouldbeeasilycaughtlastStage4:TestthesolutionsThefirstattempt:1.Early_______________theauthorputa(n)_________bowloverthesnakes’habitatandsomeice-cubes________thebowl.2.Shecoveredthewholethingwithalarge_______.3._________later,thoughthesnakeswereless_______,theystillescapedquickly.thenextmorningfrozenontopofbucketTwohoursactiveThisattemptisafailureThesecondattempt:1.Theauthorfrozethebowlandtheice–cubesagainbutplacedthemoverthesnakes’habitat____________.2.Theauthorcoveredthewholethingandlefteverything__________.3.Earlythenextmorningthesnakeslookvery_______,butwhenshepickedthemup,theytryto_____her.Thethirdattempt:Thenextmorningtheauthorrepeatedthe______procedureandcarriedasmall________tocollectthepassivesnakesand________thembackintothewild.secondintheeveningovernightsleepybitenetreleasedafailureasuccessStage5Applyforapatent1.Aninventorcaneasilygetthepatentfortheinvention.2.Ifyouhaveascientifictheoryormathematicalmodel,youcangetapatent(专利).3.Ifyourinventionspassthetest,yourapplicationforapatentwillbepublished17monthsfromthedateyouapply.FFFdifficultlyCan’t18Accordingtothetext,whichsubjectdoyouthinkcanbegivenapatent?A.Anewstardiscoveredbyascientist.B