在生物教学中创设问题情境,把教学内容以问题的形式巧妙地寓于具体的情境中,造成悬念,引起认知冲突,激起学生学习愿望,积极主动地投入到探索活动中,身临其境,贴近生活,提高学习主动性,激发学习兴趣,从而使学生主动参与课堂教学,提高课堂教学的有效性。 In the teaching of biology, a problem situation is created, and the teaching content is subtly arranged in a concrete situation in the form of a problem, causing suspense, causing cognitive conflicts, arousing the desire of students to learn, proactively putting themselves into exploration activities, immersing themselves in the exploration , Close to life, improve the learning initiative, stimulate interest in learning, so that students take the initiative to participate in classroom teaching, improve the effectiveness of classroom teaching.