What is the connotation of science education? "Science?" The understanding of connotation is closely related. This change can be seen from the development history of science education. /kloc-In the middle of the 0/9th century, what knowledge is the most valuable by Spencer, a British philosopher and sociologist, highlighted the value of scientific knowledge, and systematically expounded his thoughts on scientific education for the first time. At the same time, the famous scientist Huxley also sharply criticized the traditional classical education and emphasized the education of scientific knowledge. From this period on, science education mainly emphasized? "knowledge system?" And then what? "Productivity factor?" Connotation.