選修八unit3公開課.ppt

選修八unit3公開課.ppt

ID:50736280

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時間:2020-03-13

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1、Unit3預(yù)習(xí)案反饋TaskI:A/An___________isfindingoutsomethingalreadyexistinginnaturebutnotyetknown.A/An__________issomethingthatcreatedbyhumanbeings______oftenleadtoinventions.______areoftenbasedondiscoveriesTaskV.TaskVIparastage1DoresearchThinkofcreativesolutions4,5,6ApplyforapatentBecauseSnakesarec

2、old-bloodedanimalswhichdonothaveawayofkeepingwarmintheirbodies.Theygetwarmthfromthesunandbecomemoreactiveatthistime.Whenthesungoesdownatnighttheycooldownandbecomelessactive.Soextracoolingtothesnakewouldmakethemevenlessactiveandeasiertocatch.Findaproblem23Testthesolutions7,8discoveryinvention

3、discoveriesinventions教學(xué)目標知識目標:學(xué)習(xí)unit3warmingup&reading能力目標:通過閱讀課文使學(xué)生掌握閱讀理解中細節(jié)題,作者意圖題的解題方法情感目標:培養(yǎng)學(xué)生對發(fā)明創(chuàng)造的興趣愛好思考成為一名發(fā)明家應(yīng)該具備的性格品質(zhì)GuessingGameGuesswhattheinventionisorwhotheinventoris.WarmingupThisinventionlookslikeabird.It’smadeofmetal.Itmakesitpossibleforpeopletoflytodifferentplacesintheworld.

4、Itispoweredbyanengineandisflownbyapilot.30102040Whatisit?AirplaneThisinventioncanhelppeopleinthestreet.Itlookslikeatreestandingbesidethestreet.Itdirectscarsandtrucks.Itusescoloredlights.Redmeansstopping,greenmeansgoing.Trafficlights30102040Whatisit?It’smadeofplasticsandmetal.Itlookslikeasmal

5、lboxwithascreenandbuttonsonit.Withtheinventionyoucancontactsomeonewhileyouarewalking.402030Whatisit?MobilephoneTheinventorisfromAmerica.Heisoneofthefatherofinventions.Theinventorinventedthebulb.402030Whoishe?EdisonHewasaworld-famousinventorfromSweden.Hereisoneofhisphotos.Heinventeddynamite(炸

6、藥).Afamousprizewasnamedafterhim.Whoishe?40203050AlfredNobelLet'sguesstheThewinnerisstepseveryinventormustgothroughApplyingforapatentFindingaproblemDoingresearchTestingthesolutionThinkingofacreativesolutionDecidingontheinvention1.___________________________2.___________________________3._____

7、______________________4.___________________________5.___________________________6.___________________________Pre-readingWhatdoyouusetocatchsnakes?ReadingTheproblemofthesnakesSkimmingtogetgeneralideasWhat’sthemainideaofthetext?Thetextismainlyaboutth

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