正文描述:《氧化还原简案(redox scenario)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、氧化还原简案(Redoxscenario)[teachingpurposes]1..Consolidatetheknowledgeoffourbasicreactiontypesinjuniorhighschool.2..Consolidatetheknowledgeofoxidationreactionandreductionreactioninjuniorhighschool.3.,developstudents'"discussionstyle"learningmethodsandcultivatestudents're
2、adingability.4.,throughclassroomexercisestounderstandthejuniorhighschoolstudentsgraspthesituation.[teachingemphasis]strengthentheknowledgeoftheclassificationofchemicalreactioninjuniorhighschoolandtheknowledgeofthemainreactiontypes,anddeepentheirunderstanding.[teachi
3、ngdifficulty]thetrainingofstudents'"discussion"learningmethods.[Methods]reviewandguidemethod[teachingmeans]projection[teachingprocess]SectionA[story]injuniorhighschoolhistoryclass,welearnedthathumanprogressanddevelopmentarecloselyrelatedtofire,andtheexplorationofcom
4、bustionisanoldandyoungsubject,whichhasbeenstudiedinthepast,presentandfuture.Thestudyofreactionsincombustion,energychange,combustionefficiency,andtheeffectsofproductsontheenvironmentarecloselyrelatedtotheknowledgeinthischapter.[projectionblackboardwriting]Chapter1che
5、micalreactionsandtheirenergychanges[story]theburningofjuniorhighschoolreferstotheoxidationofthealkeneandtheoxygenintheair,andtheoxidationoftheheat.Nowwewillstudyfurther.Abstract:juniorhighschoollearningprojectionblackboardisthereactionofCO2isthechemicalreactionofC+O
6、2oxidationreaction,visibleonthechemicalreactioncanbeclassifiedfromdifferentangles,thepurposeistounderstandthevarioustypesofreactionessence.[projectionblackboardwriting]first,thetypeofchemicalreaction[story]juniorhighschoolmainlystudiedtwodifferentchemicalreactioncla
7、ssificationmethods:basictypereactionandoxidationreaction,reductionreaction.[projectionwritingontheblackboard]1.basictypesofresponsesThebasictypesofreactionsaremainlyfourkindsofcombination,substitution,decompositionandmetathesis.Thisclassificationisbasedonthetypesofr
8、eactantsandproductsandthekindsofsubstancesbeforeandafterreaction.[projectionblackboardwriting]responsetypeexpressionThechemicalreactionofa
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