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传统的教学模式在知识传授的方面有其特有的价值,但教师一味地讲解,不仅教学效率不高,而且束缚了学生的思维,使课堂缺乏生命活力。问题化教学是时下教学改革的热点话题,也是高效教学讨论的重点问题,而问题化教学的关键在于有效的问题设计。有效的问题是课堂提问的基础,是课堂能否激发学生思维的关键,直接影响到学生的发展。如何通过有效的问题设计让化学课堂灵动起来,本人结合教学实际,从高中化学问题的来源、有效问题设计的原则、
The traditional teaching model has its own unique value in imparting knowledge. However, when teachers explain it blindly, not only the teaching efficiency is not high, but the thinking of the students is restrained, making the classroom lack vitality. Problem-oriented teaching is a hot topic in teaching reform nowadays, and it is also a key issue for efficient teaching discussion. The crux of problem-oriented teaching lies in effective problem designing. Effective question is the basis of classroom questions, is the key to the classroom can inspire students thinking, a direct impact on student development. How to design a chemistry problem effectively through effective classroom design, combined with the actual teaching, from the sources of high school chemistry problems, the principle of effective problem design,