在几年的教学中学生们反映热学内容难度较大,抽象性强,许多概念容易混淆。现在让我从“热”字谈起,来讨论热学的教学问题。在日常生活中,“热”是一个具有多种含义的字,即使在物理学中的不同场合下,它也有不同的含义。例如,在下面几句话中都包含一个“热” In the teaching of a few years, students reported that the content of thermal science is more difficult and abstract, and many concepts are confusing. Let me now start with the word “hot” to discuss the teaching of thermal science. In daily life, “hot” is a word with multiple meanings. It has different meaning even in different occasions in physics. For example, include a “hot” in the following sentences