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1案例背景在初学浮力时,很多学生不能很好地理解V排的含义.经过多次思考和尝试,发现在浮力的复习课上可以依次从4个角度入手,由浅入深地帮助学生理解V_排的含义,并且取得了不错的效果.为了描述方便,本文中的液体全部特指水.2案例描述2.1从字面上理解首先引导学生回忆V排字面上的定义,V_排就是排开水的体积,顾名思义就是将物体放入装满水的溢水杯中时,溢出来的水的体积(如图1
1 case background in the beginning of buoyancy, many students can not properly understand the meaning of row V. After many thought and try, found in the buoyancy review class can proceed from the four angles, from shallow to deep to help students understand the V _ Row of meaning, and achieved good results. In order to describe the convenience, the liquid in this article are all specifically refers to water .2 Case Description 2.1 literally understand First of all, to guide students to recall the V-type literal definition, V_ row is to drain water Of the volume, as the name suggests is the object into the overflow cup filled with water, the volume of water overflow (Figure 1