初中生正处在儿童向青少年的过渡时期,他们的心理变化快,可塑性大,求知欲望强,这就要求充分发挥教师的主导作用与学生的主体作用,学生在教师的引导下,围绕着一定的问题,依据教师和教材所提供的材料,参与多样化的教学活动,主动去发现问题、思考问题和解决问题,在发现问题和解决问题中形成善于思考、勇于探索和创造的品质,从而激发学生的学习兴趣,充分发挥非智力因素,产生自觉学习的内在动机,达到增强记忆,发展智力,提高 Junior high school students are in the transitional period from children to adolescents. Their psychological changes are fast, their plasticity is high, and their desire for knowledge is strong. This requires that the dominant role of teachers and students should be brought into full play. Under the guidance of teachers, Based on the materials provided by teachers and teaching materials, to participate in a variety of teaching activities, take the initiative to find problems, think and solve problems, in finding and solving problems to form a good thinking, the courage to explore and create quality, which inspired Students interest in learning, give full play to non-intellectual factors, resulting in the intrinsic motivation of conscious learning, to enhance memory, develop intelligence, improve