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初中应用物理知识竞赛有关压强部分的主线是“压强”.这里分七个问题进行讲解.首先结合课本基本内容,研究有关固体压强、液体压强、气体压强以及流体压强与流速的关系,培养同学们运用基础知识分析问题、解决问题的能力;然后对课本中关于压强的知识进行拓展,向同学们介绍气体压强与体积的关系以及虹吸现象;最后全面运用我们所学习的物理知识,初步培养同学们的综合应用能力.
The main line of the stress part of the junior high school Applied Physics Quiz is “pressure.” Here are seven questions to explain.Firstly, based on the basic contents of the textbook, we study the relationship between solid pressure, liquid pressure, gas pressure and fluid pressure and flow rate. Students use the basic knowledge of problem-solving, problem-solving skills; then expand the textbook on the pressure of knowledge to introduce students to the relationship between gas pressure and volume and siphon phenomenon; the last full use of our knowledge of physics, the initial training The students’ comprehensive application ability.