科学教材是由事实系列和概念系列组成的。事实是概念的起点,又是概念的终点。小学生形成错误科学概念的一个重要的原因是缺少事实的建立,缺少感性经验。因而,我们的概念教学要建立事实掌握的目标,让学生积累更多更好的感性经验。一、重视实验探究,抓住事物特征实验是获得感性认识的重要途径。运用实验来展示有关的科学现象的过程,可以使学生获得更典型、更生动、更深刻、更能反映事物的本质 Science textbooks consist of fact series and concept series. Fact is the starting point of the concept, but also the end of the concept. An important reason why pupils form the wrong scientific concept is the lack of establishment of facts and the lack of perceptual experience. Therefore, our concept teaching to establish the facts to grasp the goal, so that students accumulate more and better emotional experience. First, attach importance to experimental exploration, to seize the characteristics of things is an important way to get perceptual knowledge. The use of experiments to demonstrate the process of scientific phenomena can make students get more typical, more vivid, more profound, and more reflect the essence of things