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公式作为物理知识的一项重要内容,是联系物理本质概念和数量关系的桥梁。然而,大多数高中学生(尤其是刚上高一的学生)对公式的应用只是基于机械性的记忆,生搬硬套去解决物理问题。但是,在初中阶段,学生们已经对函数有了初步的认识,并且对一次函数和二次函数这样基本的函数关系图像有了概念性的理解,本文通过结合最基本的数学函数公式、借助数形关系与高中物理公式作类比的教学方法进行探讨,并通过例子和图形进行描述,从而在教学过程中帮助学生的理解。
As an important part of physical knowledge, formula is a bridge linking the concept of physical essence to the quantity. However, most high school students (especially freshmen) apply the formula based solely on mechanical memory and are mechanically manipulated to solve physical problems. However, in junior high school, the students have got a preliminary understanding of the function, and have a conceptual understanding of the basic functional relationship images such as the first order function and the second order function. By combining the most basic mathematical function formulas, Shape relationship and high school physics formula analogy of teaching methods to explore, and through examples and graphics to describe, so as to help students in the teaching process of understanding.