物质的结构——分子论第二十一課 課題:分子、分子力、分子运动。教材內容:1.从追求物态变化的解释上提出問題引入了解物質結構的必要,簡單介紹人類探討物質結構的發展過程。 2.舉例說明各種物體的可分割性(例如油在水面上即漂散開来),從事实作出结论:物质分至性质仍旧保持不变的最小微粒,叫做分子。 Structure of matter - the twenty-first topic of molecular theory: molecular, molecular force, molecular movement. Contents of the textbook: 1. Put forward the question from the pursuit of the explanation of the change of state, introduce the necessity of understanding the structure of the material, and briefly introduce the development of the humanity to explore the structure of the material. 2. Illustrate the divisibility of various objects (for example, oil that floats on the water surface) and conclude from the fact that matter is separated to the smallest particle of the same nature, called a molecule.