小学科学是一门实践和理论相结合的学科。小学科学是以培养科学素养为宗旨的启蒙课程,科学课学习应以探究为核心,提供学生能直接参与的各种科学探究活动。因此,有效地开展课外实践活动尤为必要。教师应从课外实践应具备必要性、针对性和创新性几个方面研究,以便更好地辅助教学。由于《科学》教材所涉及的内容广,在教学活动中需要的教学资源多,在组织教学活动时,给教师增添了不少难度指数。比如有的探究活动,由 Primary science is a combination of practice and theory. Primary science is based on the cultivation of scientific literacy for the purpose of enlightenment courses, science lessons should be to explore as the core, to provide students directly involved in a variety of scientific inquiry activities. Therefore, it is necessary to carry out extracurricular practical activities effectively. Teachers should be from extracurricular practice should have the necessary, targeted and innovative aspects of research in order to better assist teaching. Due to the wide range of content covered by the “Science” teaching materials, more teaching resources are needed in teaching activities, and many difficulty indexes are added to teachers when organizing teaching activities. For example, some inquiry activities, from