中学化学实验的改进探究

Study on Improvement of Middle School Chemistry Experiment

化学实验是中学化学课程的重要组成部分,有效的实验是落实三维教学目标的关键。针对现在化学实验教学的现状及教学过程中存在的问题,阐述了化学实验改进与创新的必要性,提出了改进化学实验的一般原则,对氢氧化铁制备实验进行了改进,改进后的实验过程更加严谨,准确性提高,且实验现象明显,体现了化学学科的特点。

Chemistry experiment is an important part of high school chemistry curriculum.The effective experiment is the key to the implementation of the three-dimensional teaching objectives.With the current situation of teaching chemistry experiment,the problems in the teaching procession are existed now.The necessities of improvement and innovation about chemistry experiment were elaborated.The general principles of improving the chemistry experiment were presented.It made improvements of the preparation of ferric hydroxide experiments.The improved experiment was more rigorous and accurate.The experimental phenomena was evident.It reflected the characteristics of chemistry.