自然实验教学,一般是通过师生的实验,再现某种形象,从观察中发现问题,引起讨论研究,然后概括结论,最后又用实验进行验证,从而使学生在亲自进行实验研究,获取知识的过程中,实验能力、观察能力和分析推理能力都得到培养和提高,并逐步懂得科学认识的一般程序,受到科学自然观的熏陶。贫困落后地区的实验教学基本教育经费严重困难,教学仪器不 Natural experiment teaching usually reproduces some kind of image through experiments of teachers and students, finds out problems from observation, arouses discussion and research, and then summarizes the conclusion, and finally verifies it by experiment so that students can carry out experiments and acquire knowledge in person In the process, experimental ability, observation ability and analytical reasoning ability have been raised and improved, and the general procedure of scientific understanding has gradually been learned and influenced by the view of science and nature. Poor basic education funding for experimental teaching in poor and backward areas serious difficulties, teaching equipment is not