If you were a space teacher, what would you teach and why?

Classroom observation is an important source for teachers to acquire practical knowledge, and it is also the basic way for teachers to collect students' information, analyze the effectiveness of teaching methods and understand teaching behavior. In recent years, classroom observation has been paid more and more attention in foreign related research and teacher education courses. The ability and skills of classroom observation are regarded as an important professional accomplishment of teachers and an indispensable influencing factor for teachers to carry out effective teaching. However, in China, the work in this field is relatively backward, and the related research has not been widely carried out. In school practice, a considerable number of teachers lack sufficient classroom observation ability, which affects the teaching effect and eventually leads to teaching failure. At the same time, it also dampens teaching enthusiasm and affects personal work performance. Therefore, teachers' classroom observation ability and skills should be actively advocated and discussed to improve teaching quality and promote teachers' professional development.

First, the importance of classroom observation Generally speaking, the scope of classroom observation is very wide, which can be dynamic teaching and learning behaviors, such as teacher-student interaction, the placement of desks and chairs in the classroom, the position where teachers stand in class, the students' learning response, and the layout of the classroom. It can also be a static understanding of teaching-related documents, such as textbooks, teaching AIDS, textbooks, handouts, lesson plans, pre-class preparation, discussion, and even students' learning files. The way of classroom observation can be either direct observation on the spot or indirect observation by video tape. In addition, observers include students, peers, experts and scholars. These characteristics of classroom observation determine its important role in promoting effective teaching and teachers' professional development. First of all, only by systematically observing the events in the classroom can teachers maintain the smooth progress of the course, including teaching management and student participation, and obtain formal and informal teaching and learning evaluation materials. Therefore, classroom observation is the most direct way for teachers to interpret and understand the meaning behind classroom events. Compared with people in other industries, it has higher professional value and necessity. Secondly, teachers should not only observe students' behavior and interaction in their own classroom, but also observe the teaching of other teachers. Classroom observation mainly allows teachers to obtain teaching feedback through systematic and planned observation activities, as well as discussion, analysis and critical reflection after observation, so as to make classroom events meaningful. Therefore, classroom observation can play an extremely important role in teachers' professional learning. Including reflecting on teaching behavior, forming the motivation to try new ideas, reconfirming or revising existing teaching methods, etc. Third, for a long time, teaching has always been an independent major that emphasizes personal skills. This professional feature is likely to cause teachers to have a closed and lack of reflection mentality after working for several years. The main purpose of systematic classroom observation is to provide effective feedback for teachers, promote the quality of classroom teaching and avoid premature stagnation of teachers' professional development.