May Fourth new culture movement promoted forcefully the reform process of science education in primary and secondary schools in China in the 1920s. The project teaching method is the representative of educational experiment, which has brought profound influence to the reform of science education in modern primary and middle schools in our country. Science culture is the important source of scientific education and the foundation of the establishment and popularization of science education. Scientific method is the key to the construction of scientific culture, and scientific spirit is the core...