科创教学发展

植物细胞吸水与排水的奇妙之旅

The Wonderful Journey of Water Absorption and Loss in Plant Cells

作者：张春芳¹，宋博阳²，刘宝全³^,^*

¹清苑区臧村中学河北保定
²高阳县教体局电教技术中心河北保定
³大城县旺村镇旺村中学河北廊坊

^*通信作者：刘宝全；单位：大城县旺村镇旺村中学河北廊坊

提交：2026-01-23录用：2026-04-05

少年创新探索, 2026, 3(2), 84-89; https://doi.org/10.58244/jie.263876

摘要：

本研究针对细胞吸水与排水实验中观测指标单一的问题，提出了一种多维度观测方法。实验采用白萝卜作为材料，系统测量不同浓度食盐溶液中浸泡前后的长度和质量变化，并通过显微镜观察细胞形态的变化。同时，记录溶液比重密度。结果表明，该方法能够全面验证吸水与失水的原理。当白萝卜浸泡在低浓度溶液中时，观察到其长度和质量增加，细胞形态呈现饱满状态；而在高浓度溶液中，萝卜则出现失水现象，其长度和质量减少，细胞发生质壁分离现象。溶液密度的变化进一步证明了水分的迁移。这种多维度观测方法不仅提升了实验的科学性与严谨性，还将宏观与微观变化有机结合，是一种高效且直观的教学与研究手段。

关键词： 多维度观测方法；吸水与排水；白萝卜；细胞形态；溶液浓度

摘要

摘要：

关键词：多维度观测方法；吸水与排水；白萝卜；细胞形态；溶液浓度

Abstract:

This study addresses the issue of using a single observation metric in experiments on cellular water absorption and drainage by proposing a multidimensional observation method. The experiment utilized radishes as the material and systematically measured changes in length and mass before and after immersion in salt solutions of varying concentrations, while also observing changes in cell morphology through microscopy. Additionally, the density of the solutions was recorded. The results demonstrate that this method can comprehensively validate the principles of water absorption and loss. When radishes were immersed in low-concentration solutions, an increase in length and mass was observed, with cells appearing turgid. Conversely, in high-concentration solutions, the radishes exhibited signs of water loss, with a decrease in length and mass, and cells underwent plasmolysis. The changes in solution density further corroborated the migration of water. This multidimensional observation method not only enhances the scientific rigor and precision of the experiment but also organically combines macroscopic and microscopic changes, making it an efficient and intuitive tool for teaching and research.

Keywords: Multidimensional observation method; Water absorption and drainage; White radish; Cell morphology; Solution concentration

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参考文献

参考文献 / References：

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