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生物学是一门以实验为基础的学科,运用实验教学能很好地加强学生的感性认识,加深对知识的理解和掌握,从而上升为感性认识,最终使课堂教学更为高效。《生物课程标准》指出:倡导探究学习,力图改变学生的学习方式,引导学生主动参与,乐于探究,勤于动手,逐步培养学生收集和处理科学信息的能力,获取新知识的能力,分析和解决问题的能力,以及交流与合作的能力等,突出创新精神和实践能力的培养。鉴于此,我们在高中生物教学中应充分发挥实验教学的优势,理论联系实际,设法拓展和延伸课本的实验,争取更大的收获。以下是笔者就近几年的实验教学中的有关问题进行探讨的实例。
Biology is an experiment-based discipline. The use of experimental teaching can well enhance the students’ perceptual knowledge, deepen the understanding and mastery of knowledge, and then rise to perceptual knowledge, eventually making the teaching of the classroom more efficient. The Biology Curriculum Standard states that advocating inquiry learning seeks to change the way students learn, to guide students to take the initiative to participate, be willing to explore, diligently, and gradually develop their ability to collect and process scientific information, acquire new knowledge, analyze and solve problems Problem ability, as well as the ability of exchange and cooperation, etc., highlighting the spirit of innovation and practical ability. In view of this, we should give full play to the advantages of experimental teaching in biology teaching in senior high schools, and combine theory with practice and try to expand and extend the experiment of textbooks for greater accomplishment. The following is the author in recent years, experimental teaching in the relevant issues to explore examples.