人教版义务教育课程标准实验教科书《化学》(九年级上册)第七单元课题一,在讲燃烧的条件时,涉及“着火点”这个概念。配套的《教师教学用书》里关于着火点有这样一句话:“着火点是可燃物着火燃烧时所需的最低温度,这是物质的一种性质。”但是,着火点究竟属于物质的物理性质,还是化学性质呢?教材和教师用书都没有明确指出。 People’s Education Edition compulsory education curriculum standard experimental textbook “Chemistry” (ninth grade) Seventh unit topics First, talk about the conditions of combustion, involving the “fire point” concept. Matching “teacher teaching book” on the ignition point there is such a sentence: “ignition point is the minimum temperature required for burning combustible material, which is a nature of matter. ” However, the ignition point is the physical nature of the material, Or chemical nature? Textbooks and teacher’s books are not clearly pointed out.