化学作为实验性学科,演示实验贯穿于教学的整个过程。传统化学演示实验教学策略为:演示—观察—解释(demonstrate-observe-explain,缩写为DOE)。首先由教师做演示实验,学生观察实验现象,然后教师解释现象,得出实验结论。DOE是建立在实证主义基础上的教学策略,学 Chemistry as an experimental discipline, demonstrating experiments throughout the teaching process. The traditional chemistry demonstration experiment teaching strategy is: demo-observe-explain (abbreviated as DOE). First, teachers do demonstration experiments, students observe the phenomenon of the experiment, and then explain the phenomenon of teachers to draw experimental conclusions. DOE is a teaching strategy based on positivism