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化学学科发展的一个合理方向就是由定性向定量发展。化学教育的发展已经走向定量化,从定性到定量是化学学科成熟的标志。在初中化学课堂教学以及学生学习化学的过程中,运用定性的方法解决化学问题则更为普遍,而以定量思维方式贯穿的实验探究相对来说较少。如何在化学启蒙阶段,通过化学史实让学生了解定量化学实验的意义,利用化学实验培养学生量化意识和运用化学练习让学生在解决问题的过程中渗透量化
A reasonable direction for the development of chemistry is from qualitative to quantitative development. The development of chemical education has been to quantify, from qualitative to quantitative chemistry mark is a sign of maturity. In the process of junior high school chemistry class teaching and students’ learning chemistry, it is more common to use qualitative methods to solve chemical problems, while experimental exploration which penetrates quantitatively is relatively less. How to let students understand the significance of quantitative chemistry experiment through chemical history, how to use chemistry experiment to cultivate students’ awareness of quantification and to use chemical practice to make students permeate and quantify problems in the process of solving problems