『燃烧需要三个条件』是《燃烧与灭火》一课中的教学重难点,在进行这一环节的教学时,我创设了智力上有挑战性的问题情境,交给学生一些富于个性化的实践任务,给学生以主动研究、『各行其是』的自主学习空间。如设计一个实验证明燃烧需要一定的温度,比一比,谁设计的实验方法最好,这一内容的设计,激发了学生多方面的思维,特别是内在因素的个性品质激发着创造思维的发展和创造才能的发挥,学生们的智力活动变得多样化、丰富化。下面是学生们 “Combustion requires three conditions” is a difficult task in the teaching of “Combustion and Fire Extinguishing.” During the teaching of this part, I created an intellectually challenging problem situation and gave students some personalization The practical task to students to take the initiative to study, “go its own course” of independent learning space. Such as the design of an experiment to prove that the combustion requires a certain temperature, compared with one who designed the best experimental method, the design of this content, inspired the students a wide range of thinking, in particular the intrinsic quality of individual personality inspired the development of creative thinking And to create the ability to play, the students' intellectual activities have become diversified and enriched. Here are the students