Polymers, Giant Molecules with Properties: An Entertaining Activity Introducing Polymers to Young Students
Polymers, Giant Molecules with Properties: An Entertaining Activity Introducing Polymers to Young Students
复制标题
聚合物，具有特性的大分子：向年轻学生介绍聚合物的有趣活动
DOI：
10.1021/acs.jchemed.8b00918
复制
发表时间：
2019
影响因子：
3
通讯作者：
Anders G. Blomqvist
中科院分区：
文献类型：
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作者：
Nejla B. Erdal;M. Hakkarainen;Anders G. Blomqvist
在这项活动中，向13-16岁的学生介绍聚合物材料。该活动面向对聚合物没有或几乎不了解的学生。一场引人入胜的讲座涵盖塑料领域的聚合物技术和可持续发展的基础知识。介绍了一些重要的聚合物，如聚乙烯(PE)、纤维素和聚乳酸(PLA)，并列举了它们的日常使用实例。在入门课中使用测验问题来吸引学生，开始讨论，并评估学习进度。然后，学生们将参加两项娱乐活动，涉及天然聚合物海藻酸盐和高吸水性聚合物。藻酸盐意大利面是用不同的盐溶液制作的，让学生们只需玩弄化学物质就能创造和销毁材料，这有助于他们理解聚合物材料。第二个活动是一种基于应用的方法，研究尿布中高吸水性聚合物的保水能力。活动后的整体测验结果和讨论显示，人们对聚合物及其应用和性能的了解有所提高，这使得本活动对向年轻学生教授聚合物很有用。
In this activity, polymer materials are introduced to 13–16 year old students. The activity is aimed at students with no or little knowledge of polymers. An engaging lecture covering the basics of polymer technology and sustainable development in the plastics field is presented. Important polymers such as polyethylene (PE), cellulose, and polylactide (PLA) are presented, and examples of their everyday use are shown. Quiz questions are employed in the introductory lecture to engage the students, to start discussions, and to evaluate the learning progress. The students are then engaged in two entertaining activities involving a natural polymer alginate and superabsorbent polymers. Alginate spaghetti is produced using different salt solutions enabling the students to create and destroy materials just by playing around with the chemistry, which helps them understand the polymeric material. The second activity has an application-based approach where the ability of superabsorbent polymers in diapers to retain water is investigated. The overall quiz results and discussions after the activities show an improved understanding of polymers and their applications and properties, making this activity useful for teaching polymers to young students.
影响因子：
3
作者：
Ting, Jeffrey M.;Ricarte, Ralm G.;Schneiderman, Deborah K.;Saba, Stacey A.;Jiang, Yaming;Hillmyer, Marc A.;Bates, Frank S.;Reineke, Theresa M.;Macosko, Christopher W.;Lodge, Timothy P.
通讯作者：
Lodge, Timothy P.