与旧教材相比 ,人民教育出版社出版的新教材将四个钠的性质实验全部改为边讲边实验 ,并对钠与水反应产物的检验进行了改进 ,要求学生收集空塑料瓶制作反应装置。这一安排既增强了实验的直观性 ,又能有效地培养学生的创新意识、动手能力和观察能力 ,使实验达到了预期的效果。但 Compared with the old textbooks, the new textbook published by the People’s Education Press changed all four sodium experiments to side-by-side experiments, and improved the examination of the sodium and water reaction products. Students were asked to collect empty plastic bottles. Device. This arrangement not only enhances the intuitiveness of the experiment, but also effectively cultivates the students’ sense of innovation, hands-on ability and observation ability, so that the experiment achieves the desired effect. but