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提问是师生课堂对话的主要形式,它不仅是课堂的预设,更是课堂的生成和重构,也是课堂效能的关键所在。研究表明,课堂教学效率高的教师更倾向于对正确回答问题的学生提出另一个问题,即追问,以鼓励学生进一步思考。适时恰当地追问是学生探究性学习的动力,也是理性思维深入的标志,层层追问不仅是课堂教学最真实的表现之一,也是十分有效的教学策略,追问的内容可以由化学学科特点来决定。化学是一门实验科学,化学实验是化学科学认识的源泉,是训练科学方法的有效途
Questioning is the main form of classroom dialogue between teachers and students. It is not only the preconcension of the classroom, but also the formation and reconstruction of the classroom. It is also the key to classroom effectiveness. Research shows that teachers who are highly efficient in classroom teaching tend to ask students who correctly answer the question another question, asking questions to encourage students to think further. Proper and appropriate questioning is the motivation of students to explore learning, but also a sign of rational thinking in-depth, is not only a layer of questioning is the most realistic manifestation of classroom teaching, but also very effective teaching strategies, the content of the question can be determined by the characteristics of chemistry . Chemistry is an experimental science, chemical experiment is the source of understanding of chemical science is the effective way to train scientific methods