一、定向诊断,找准思维起点小学阶段的科学学科是一门基础学科,但是由于小学生的知识储备还比较少,对概念性的知识掌握起来比较有难度,然而就科学这门学科来讲,其教学内容中包含着大量的科学概念,由于这些概念的抽象性和专业性增加了小学生理解和掌握知识的难度。针对于此,笔者认为必须借助于思维导图这种视觉组织工具,帮助小学生更好地理解这些科学概念,并训练他们的逻辑思维能力。在具体的教学活动中,教师对学生原有知识的纠正和扩充要 First, the orientation of diagnosis, identify the starting point of thinking The science of primary school science is a basic discipline, but the pupils of the knowledge base is still relatively small, grasp of the conceptual knowledge more difficult, but in terms of science, Its teaching content contains a large number of scientific concepts, due to the abstraction and professionalism of these concepts increase the difficulty of primary school students to understand and master the knowledge. To this end, I believe that we must rely on the visual organization tools such as Mind Mapping to help pupils better understand these scientific concepts and train their logical thinking skills. In the specific teaching activities, teachers should correct and expand the students’ original knowledge