Abstract In the teaching of law of conservation of mass, the contrast teaching method was applied to the historical knowledge, experimental inquiry and data analysis. This method was helpful to students to understand from "quality" to "quantity" in macroscopic representation, from "static" to "change" in microscopic representation, and from "isolated" to "connection" in symbolic representation, to establish the connection of triple representation, to grasp law of conservation of mass scientifically, and to construct the ideas of matter change.
GUO Jian-Hong. Application of Contrast Teaching Method in Teaching of “Law of Conservation of Mass” Based on Construction of Basic Chemical Ideas[J]. , 2016, 37(1): 30-33.