《科学课程标准》中提出“科学课程应具有开放性”。这种开放性表现为课程在学习内容、活动组织、作业与练习、评价等方面给教师及学生提供选择的机会和创造的空间,使课程在最大程度上满足不同地区、不同经验背景学生学习科学的需要。这种开放性还表现为,要引导学生利用广泛存在于学校、家庭、大自然、网络和各种媒体中的多种资源进行科学学习,将学生的科学学习置于广阔的背景之中,帮助他们不断扩展对周 “Science Curriculum Standards” put forward “science curriculum should be open”. This openness manifests itself in the opportunities and opportunities created by the curriculum for teachers and students in terms of learning content, organization of activities, exercises and evaluations, so that the curriculum can best meet different regions and backgrounds. Students study science Need. This openness also manifests itself in guiding students to use the wide variety of resources found in schools, homes, nature, the internet, and various media for scientific learning, placing students’ science in a broad context and helping They are constantly expanding to the week