基于化学核心素养之“证据推理与模型认知”的评价与思考——2018年高考(天津卷)化学试题的分析与启示

Assessment and Thoughts Based on Chemistry Key Competence of Evidence Reasoning and Model Cognition: Taking 2018 College Entrance Examination (Tianjin Volume) as an Example

"记据推理与模型认知"核心素养是指通过分析、推理等方法认识研究对象的本质特征、构成要素关系,建立认知模型,并运用模型解释化学现象,揭示现象的本质和规律。本文在分析2018年高考理综化学(天津卷)试题特点和对考生的作答表现进行诊断性评价的基础上,重点提出提升"证据推理与模型认知"学科核心素养的教学建议,为发展学生学科素养提供有益的参考。

Key competencies of a discipline are the concentrated reflection of the value of discipline education,and they are the correct values, essential character and key ability that students can gradually form through discipline learning. Through analysis,reasoning and other methods,students can understand the essential characteristics and the relationship between the constituent elements of the object of study, meanwhile by establishing a cognitive model and using the model to explain chemical phenomena and reveal the nature and law of the phenomenon. Based on the analysis of the characteristics of the Chemistry(Tianjin Paper) in the 2018 College Entrance Examination and the diagnostic evaluation of the candidates’ performance in answering questions,this article puts forward some teaching suggestions on how to improve one of the key competencies of Chemistry,'Evidence Reasoning and Model Cognition',which may provide useful reference for the development of students’ key competencies of Chemistry.