1, identification. The so-called identity contains two meanings: identity and difference. The so-called appraisal is to check whether all the elements of education have reached the predetermined goal, that is, to check the degree of realization of educational goals.

2. Diagnostic function refers to revealing and exposing the problems existing in the education process through evaluation, and analyzing and diagnosing these problems according to certain values, so that educators can clearly understand the crux of education and improve it in the next stage of education.

3. Improve the role. According to the educational objectives and actual educational results, find out the degree of deviation of educational activities from the objectives, so as to better achieve the objectives through certain improvement measures.

Science education is based on imparting basic scientific knowledge, relying on quality education, experiencing scientific thinking methods and scientific inquiry methods, cultivating scientific spirit and attitude, establishing a complete view of scientific knowledge and values, and cultivating the basic ability of scientific research and application of science and technology.

Science education is a holistic education with all teenagers as the main body, school education as the main position, natural science education as the main content, and involving technology, history of science, philosophy of science, science culture, sociology of science and other disciplines, with the aim of enabling teenagers to master the basic knowledge and skills of natural science.

The goal of science education:

The goal of science education can be divided into the goal of promoting human development and the goal of promoting social development. The former is the embodiment of the internal function of science education, while the latter is the embodiment of the external function of science education. With the more and more clear and comprehensive understanding of the nature of science and the deeper understanding of the value of science, the goal of science education is constantly developing.

Generally speaking, the educational goal of science education is consistent with the development of the connotation of science education. From the initial concern about knowledge and skills to methods and processes, to the relationship between science, technology and society, and to grasp the essence of science. The focus of the educational goal of science education is swinging and oscillating, and it is constantly seeking balance and integration.

This balance and integration is reflected in the contemporary era? "Scientific literacy?" The presentation and development of ideas are also reflected in the comprehensive scientific education objectives of scientific knowledge and skills, scientific methods and processes, emotions, attitudes and values proposed by the new curriculum standards in China.