2. According to PISA, the test of scientific literacy should consist of three aspects: the basic concept of science, the process of learning and practice and the scientific scene, and the test scope consists of three aspects: scientific knowledge, scientific research process and the role of science in society;
3. Miller, an American scholar, believes that public scientific literacy consists of three interrelated parts: scientific knowledge, scientific methods and the role of science in society. Specifically, it has enough vocabulary to read various scientific opinions in newspapers and periodicals, the ability to understand scientific terms, the ability to understand the process of scientific inquiry, and the ability to understand the impact of science and technology on human life and work;
4. J. Durant, the leader of scientific literacy survey in EU countries, believes that scientific literacy consists of three parts: understanding basic scientific viewpoints, understanding scientific methods and understanding the functions of scientific research institutions.