当学生进入小学中高年级学习科学课时,将要学习许多科学概念。概念是具有共同的关键属性的一类对象、事件、情境或性质。学生掌握一个科学概念,实质上就是掌握同类事物的共同特征,同时也意味着能区分概念的有关特征与无关特征、概念的肯定例证与否定例证。很显 When students enter primary and high school to study science, they will learn many scientific concepts. Concepts are a type of object, event, situation, or nature that has a common key attribute. Students master a scientific concept, in essence, is to grasp the common characteristics of similar things, but also means that the distinction between the concept of the relevant features and irrelevant features, the concept of affirmative and negative examples. Very significant