在化学课堂教学中,设置问题情境可以增强学生学习的针对性,有利于发挥情感在教学中的作用,同时启发学生的思维,指导学生学习,为学生创设一个“心求通而未得,口欲言而不能”的情境,能够激发学生强烈的求知欲望和浓厚的学习兴趣,充分发挥他们在学习过程中的主体地位.因此,设置有效的问题情境,对于化学课堂教学质量的提高具有至关重要的影响.在新课程实施的今天,广大教师特别重视化学问题情境的设置与问题意识的培养,它们是有效课堂 In the chemistry classroom teaching, setting the situation of the problem can enhance the pertinence of the students ’learning, help to exert the role of emotion in the teaching, at the same time inspire the students’ thinking and guide the students to learn and create a Can not stimulate students’ desire for knowledge and strong interest in learning, give full play to their dominant position in the learning process.Therefore, the establishment of effective problem situations for the improvement of the quality of chemistry classroom teaching has The crucial impact of the implementation of the new curriculum Today, the majority of teachers pay special attention to the setting of chemical problem situations and awareness of the problem, they are effective classroom