教育心理学认为:“要使教学信息有效地传递,实现教学效果的最优化,必须合理地设计教学的信息环境,使教学的信息环境和学生的心理环境之间形成和谐的统一。”同时,赞可夫说:“教学法一旦触及学生的情绪和意志领域,触及学生的精神需要,这种教学法就能发挥高度有效的作用。”在教学过程中,创设一个恰当的情景,可以使学生产生一些“认识冲突”或“心理需求”。化学新课程将情境教学探究作为课程改革的突破之一,其实质是把教学目标的有关 Educational psychology that: “To make the effective transfer of teaching information to achieve the optimization of teaching effectiveness, the teaching information environment must be designed reasonably so that the teaching information environment and students’ psychological environment form a harmonious unity.” At the same time, Zankoff said: “The teaching method can play a highly effective role in teaching process as soon as it reaches the emotional and volitional areas of the students and meets the spiritual needs of the students.” “In teaching, create an appropriate situation , Can make students produce some ”conflict of understanding“ or ”psychological needs." The new chemistry curriculum regards the inquiry of situational teaching as one of the breakthroughs in the curriculum reform. The essence of the new chemistry curriculum is to put the teaching objectives