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能量总是不断地进行转化,即从一种形式的能量转化为另一种形式的能量。有关能量转化的热学计算题已成为中考热点题型之一。解此类题的关键是要把握三点:(1)扎实牢固的基本知识;(2)弄清楚能量转化的形式和方向;(3)正确处理能量转化中的效率。
Energy is constantly transformed, that is, from one form of energy to another form of energy. The thermal calculation problem of energy conversion has become one of the hot topics in the examination. The key to solving such questions is to grasp three points: (1) a solid and solid basic knowledge; (2) clarify the form and direction of energy conversion; (3) correctly handle the efficiency of energy conversion.