课堂教学的有效性可分为两个层面:一是教师教授的有效性,二是学生学习的有效性,而学生能否有效参与则是课堂教学有效实施的关键。也就是说,学生对课堂的参与度不仅影响着学生对知识的理解和内化程度,还影响着教学的效果。在新课程改革纵深发展的大背景下,高中化学教学把目光聚焦到了提高学生参与程度的层面,为进一步提高课堂教学效益切中了脉搏。当前高中化学课堂教学的学生参与现状中最突出的问题在于学生的被动参与和浅层参与。学生在教师 The effectiveness of classroom teaching can be divided into two levels: one is the effectiveness of teachers and professors; the second is the effectiveness of student learning, and whether students can participate effectively is the key to the effective implementation of classroom teaching. In other words, students’ participation in the classroom not only affects the students’ understanding and internalization of knowledge, but also affects the effectiveness of teaching. Under the background of the deep development of the new curriculum reform, high school chemistry education has focused on improving the level of student participation and has taken a pulse in order to further improve the effectiveness of classroom teaching. The most prominent problem in the current state of student participation in chemistry class teaching in senior high school is the passive participation and shallow participation of students. Students are teachers