大气压强教学设计(国外英文资料).doc

大气压强教学设计(国外英文资料) Atmospheric pressure teaching design Found doing middle school and say high school practice middle school is the new curriculum reform in common vocabulary, which have different emphases, but its purpose is independent, cooperative and inquiry, is to realize the interactive classroom, let the students happy to learn and learn to learn. Because Mercury is harmful to the human body, atmospheric pressure section of the experiment is mostly to explain the experiment, increasing the difficulty of teaching, how should we grasp the teaching materials, and achieve mutual aid between teachers and students, to achieve the goal of teaching it? Heres how I do it. For the teaching of this section, ask the students to preview the lesson before class: 1., according to the description of the text, do a cup bowl experiment and cup experiment, preliminary understanding of the experimental principles and problems; 2. observe the phenomena associated with atmospheric pressure in your life. In class, I divide it into four parts: First, the introduction of the topic - setting problems and stimulating interest; Two, the problem of inquiry - draw concepts, experimental measurements; Three, the expansion of the problem - contact practice, deepen the study; Four, summing up and summing up - forming conclusions and understanding methods. Concrete treatment methods: First, the introduction of the topic - setting problems and stimulating interest The students did experiments at home. How did you do it? What do you have in mind? (about 2 minutes of speaking time), teachers speak well, praise, speak poorly, encourage, and arouse enthusiasm. Two, the problem of inquiry - draw concepts, experimental measurements (1) the concept of atmospheric pressure is derived 1. students do the bowl experiment (Figure 1), thinking about what forces hoisted the hook code? Under the guidance of a teacher, the reason is analyzed: except the leather bowl and the hook code, there is only air! This f