《小学科学课程标准》对小学科学课程知识部分做了具体的描述,包括“生命世界、物质世界、地球与宇宙”三大领域。在“地球与宇宙”单元中指出,要“为学生揭开星空神秘的面纱”。可是翻开现行科学教材,涉及星空宇宙的只有四五节课,这与学生们的需求产生了很大的差距。为适应时代发展的需要,同时为满足学生的兴趣、家 “Primary Science Curriculum Standards” made a concrete description of the primary science curriculums, including the three major areas of “the world of life, the material world, the earth and the universe.” In the “Earth and Universe” unit pointed out, to “expose students to the mysterious veil of the sky.” However, there are only four or five classes that open up to the current science textbooks and involve the universe in the sky, which has a great gap with the needs of the students. In order to meet the needs of the development of the times, at the same time to meet the interest of students, home