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1、重大發(fā)明與科技創(chuàng)新（Majorinventionsandscientificandtechnologicalinnovation）ThecavetownjuniorhighschoolguidancecaseSubject:HistoryClass:GradeSevenLecturer:YangChenTopicseventhlesson?Majorinventionsandscientificandtechnologicalinnovation1,theteachinggoalofknowledgeandability:knowtheinventionofwoodblockprin
2、tingattheendoftheTangDynastyandthedevelopmentoftheprintingindustry,printingindustrydevelopmentunderstanding'scontributiontoworldcivilization.Knowtheinventionofgunpowderanditsinitialuseinmilitaryaffairs.Knowtheworld'swellpreserved,oldeststonearchbridge-theZhaoZhoubridge,anditsdesigner,LiChun,tou
3、nderstandthesubtletiesoftheZhaoZhoubridgedesign.2,theprocessandmethods:accordingtotherelevantcontentsoftextbooks,descriptionofwoodblockprintingandtheinventionofgunpowder,andthemanufactureanduseofa"rocket"attheendoftheTangdynasty.Onthebasisofdiscussionandsummaryofwoodblockprinting,theinventionof
4、gunpowdertothedevelopmentofworldcivilizationcontribution.ToobservetheimageofZhaozhouBridge,understandthebasicdesignprincipleofZhaozhoubridge.3,emotionalattitudeandvalues:throughtheunderstandingofwoodblockprintingandtheinventionofgunpowdertothedevelopmentofworldcivilizationplayedapositiverole,cu
5、ltivatenationalself-confidenceandpride,stimulatescientificspiritandinnovativeconsciousness.TheZhaozhouBridgelearningexperience,theworkingpeopleofancientwisdomandcreativityChinese.Thekeyofwoodblockprinting,theinventionofgunpowderanditscontributiontoworldcivilizationdevelopment.ThedifficultyofZha
6、ozhouBridgethroughmanystormsandearthquakes,afterthousandsofyears,stillnotfallingisnotdestroyed,theingeniousdesignisthemain.ThedesignprincipleofZhaozhouBridgeinvolvesmathematics,physicsknowledge,gradesevenstudentsisdifficulttounderstand,thislessonisdifficult.Heuristicteachingmethodandquestiontar
7、getteachingmethod.TeachtheblackboardandpictureLinktheteachingprocessandcontent,preparelessonsforthetwotimeRevisionandlead-in(5minutes)toguidethestudentstorecallasoneofthe"fourgreatinventions"techniquesofmakingthecontributiontohuma
