《燃烧与灭火》与日常生活紧密相联,学生有着丰富的常识,教师可以此为契机,用科学探究的方法引导学生认识燃烧的条件,并以此为阶梯,回顾灭火的方法,引导学生归纳灭火的原理和方法,使学生了解火是人类文明的摇篮,但火失控会 “Combustion and Fire Extinguishing” are closely linked with daily life. Students have abundant common sense. Teachers can use this as an opportunity to guide students to understand the burning conditions by means of scientific inquiry and use this as a ladder to review the methods of extinguishing fire and guide the students to induce Fire extinguishing principles and methods to enable students to understand fire is the cradle of human civilization, but the fire out of control