Main research objectives and research content 1. Research objectives ①Theoretical objectives: To discover the problems and misunderstandings in the past situation creation process, and to explore the methods and applications of effective situation creation suitable for our school. ②Work goal: make abstract knowledge concrete and visualized, from the concrete perception of the image to abstract rational insight, promote the formation of students' perceptual knowledge, and cultivate students' initiative and innovation spirit. ③ Educational goals: to stimulate students' learning emotions and interest in learning, so that learning activities become active and conscious activities of students.