1, corresponding to different periods. The old curriculum standard only includes the contents of grades one to six, while the new curriculum standard includes the contents of compulsory education in grades one to nine. This revision of curriculum standards emphasizes advanced learning concepts.

Based on the research of science curriculum, the advanced design of the overall concept should not only consider the primary school or compulsory education stage, but also consider what kind of advanced learning students need from primary school to high school.

2. Add the "Preface" section. The guiding ideology, revision principles and main changes of curriculum standard revision are expounded in detail. The new curriculum standard of primary school science is consistent with the catalogue system of new curriculum standards of other disciplines promulgated at the same time, and the preface of curriculum standards of all disciplines is the same.

3. Update the nature and concept of the course. The nature of curriculum emphasizes not only scientific knowledge, but also cognitive process, research methods and moral cultivation. The curriculum concept focuses more on core literacy and advanced learning.

4. Update the course objectives and put forward the "core literacy" orientation for the first time. The connotation of core literacy of science discipline is divided into four aspects: scientific concept, scientific thinking, exploration and practice, attitude and responsibility. Add "scientific thinking" and update the other three concepts.

5. Update the course content. From the main concept of 18 in four fields to the core concept of 13 in four interdisciplinary concepts and disciplines. Among them, four interdisciplinary concepts fully reflect interdisciplinary research and interdisciplinary thinking, and the core concept of 13 discipline is the integration, supplement and promotion of the main concepts of 18 in the old curriculum standard.