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1、《化学定量实验》Developmentofschool-basedselectivematerialsforquantitstivechemistryexperimentInthereformofchemistrycurriculum,thereformofchemistryexperimentisanimportantpartofthereformofchemistrycourse・Inthispaper,thedevelopmentandpracticeoftheschool-basedcu
2、rriculuminchemistryexperimentteachingasthethemeofthequantitativestudied:evaluationmethodstodeterminethequantitativechemicalexperimentalcurriculum,school-basedcurriculumcontent,teachingorganizationmodeandissuitableforthecharacteristicsofthiscourse,and
3、someattemptsinteachingpractice・Inaddition,theresultsofelectivecourseofquantitativechemistryexperimentinseniortwowereanalyzed.Keywordsschool-basedcurriculum;chemicalquantitativeexperiment;ProblempropositionChemistryisanaturalsciencebasedonexperiment・I
4、tisbasedonexperimentandisthebasiccharacteristicofChemistryTeachinginmiddleschool.Qualitativeexperimentisthebasisofmodernchemistry,butqualitativeexperimentscannotmakestudentsreceivecomprehensivescientificmethodsoftraining.Kanthasafamoussaying:"inthebr
5、anchesofnaturalscience,onlythosebrancheswhichcanbeexpressedinmathematicsaretherealsciences.〃・"Inthissense,quantitativeexperimentisthesublationofqualitativeexperiment,andchemicalexperimentfromqualitativetoquantitativeisinevitableinthedevelopmentofchem
6、istry.Quantitativeexperimentsaremoredifficultthanqualitativeexperiments・ThechangeofchemicalexperimentcourseinShanghaicitymiddleschool,strengthenthequantitativeanalysisexperiment,whichmeansthatthestudents'logicalthinkingability,comprehensiveanalysisan
7、dreasoningability,experimentaldataprocessingcapacityrequirementsareimproved.Highschoolstudents，thinkingisoftenbiasedinfavorofthetheory,suchasabottleofhydrochloricacidsolution,ifthelabel0.lmol/L,studentsusuallythinkofapoor0.lmol/L,donotknowwhatisthedi
8、fferencebetween0.lmol/Land0.lOOOmol/L,donotknowthechemicalexperimentaldatacanrepresenttheactualmeasurementproceduresandthedegreeofaccuracy,differentfromthesimpleinthepapercalculated.Atthesametime,thenumberofquantitativeexperimentsinthetextbookofSenio
