资源描述：
《《过氧化氢制氧气》教案（hydrogen peroxide to oxygen lesson plan）》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、《过氧化氢制氧气》教案（Hydrogenperoxidetooxygenlessonplan）Longtimenouploaddocuments,recentlyfoundafewgooddocuments,uploadup,andsharewithyou"Hydrogenperoxideoxygen"teachingplan,casestudyandreflection"Hydrogenperoxidetooxygen"lessonplanKagenoriMiddleSchoolofSuzhouMinHuaDongTeachingobjectiv
2、e1,learntomasterthelaboratoryhydrogenperoxidetoproduceoxygenmethod(reactionprinciple,experimentaldevice,collectionmethod,full)2.Accordingtotheexperimentalreport,theexperimentcanbecompletedindependentlyandthebasicoperationoftheexperimentcanbestandardized3,explorethecharacterist
3、icsofthecatalyst4.UnderstandingofhydrogenperoxidesolutionandmanganesedioxidetoproduceoxygenforthedevicetoproducewhatgasEmotionalgoalLearnfromthislessonTrainstudents'abilitytoanalyze,contrastandtransferknowledgeAndthecouragetopractice,thecouragetoinnovatethescientificspiritandu
4、nityandcooperationconsciousnessTeachingemphasisTheprincipleofoxygenextractionandthechoiceofdeviceTeachingdifficultiesCatalystconceptTeachingsuppliesExploringmultimediaprojectionofexperimentalarticlesinstructionaldesignProblemintroduction:oxygenisanindispensablesubstanceinourli
5、feIthasawiderangeofusesSuchasemergencypatients,weldingandcuttingmetal,steel-makingandsoonneedmorepureoxygenHowdoyoumakeoxygen?Question:welearnedbefore,whichwaycanwegetoxygen?Answer:industrialliquidoxygenseparationofairPotassiumPermanganatecanbeusedinlaboratoryheatingoxygenQues
6、tion:inthelaboratorycanuseothermaterialreactiontooxygen?That'swhatwe'regoingtoexploretodayBlackboardwriting:hydrogenperoxideforoxygenproductionExperimentalprinciplemanganesedioxideHydrogenperoxidewater+oxygenExperiment:producemedicineandobserveAnswer:accordingtothelabel,theche
7、micalformulaofhydrogenperoxideisH2O2ItsaqueoussolutioniscommonlyknownashydrogenperoxideColorlessliquidTheconcentrationofhydrogenperoxideusedinthisexperimentwas5%ThechemicalformulaofmanganesedioxideisMnO2It'sblackpowderProblem:hydrogenperoxideandmanganesedioxideareusedtomakeoxy
8、genSolidandliquidareusedAndthereactionrateisveryfastWhatkindo
