高中化学课堂教学过程中的很多因素会直接影响到教学效率和学生的学习心态,也会影响到化学教学目标的实现程度。在课堂上如何有效地利用45分钟,提高教与学的效率是师生们非常关心并实践的永恒话题。基于情境教学实例,对如何提高高中化学教学效率提出几点建议。 Many factors in the process of high school chemistry classroom teaching will directly affect the teaching efficiency and students’ learning attitude, and will also affect the realization of the goal of chemistry teaching. In the classroom how to effectively use 45 minutes, improve the efficiency of teaching and learning teachers and students are very concerned about and practice eternal topic. Based on the case of situational teaching, some suggestions on how to improve the teaching efficiency of high school chemistry are proposed.