科学是研究自然界各种物质形态、结构、性质和运动规律的科学,它包含的门类很多。随着科学技术和生产力的发展,科学的内容在不断丰富,门类不断增加,出现一些新的分支学科和边缘学科,小学科学教学的内容是简单、基本的自然科学知识,小学科学 Science is a science that studies the physical forms, structures, properties and laws of movement in nature. It contains many kinds of science. With the development of science and technology and productive forces, the content of science is constantly enriched and the categories are constantly increasing. Some new branches and fringes have emerged. The content of primary science teaching is simple and basic knowledge of natural sciences. Primary science