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Tianli Han; Shanshan Yang; Liying Zhu; Xirong Lin; Jinyun Liu – Journal of Chemical Education, 2023
An experimental design by combining hydrogel and ethylenediaminetetraacetic acid disodium salt (EDTA) for visually displaying chemical complexation reactions is developed. The Na[superscript +] ions on the [alpha]-l-guluronic acid (G) unit of the sodium alginate molecule undergo an ion exchange with a divalent cation, so that the G units are…
Descriptors: Chemistry, Science Education, Teaching Methods, Science Experiments
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Qu, Andrew; Nicolas, Madeleine; Leung, Eric Minshing; Jones, Serena Monique; Katyal, Priya; Punia, Kamia; Maxfield, Macrae; Montclare, Jin Kim – Journal of Chemical Education, 2022
Virtual chemistry laboratory modules were investigated as a potential learning resource that complements traditional in-person experiments. In collaboration with a high school instructor, we designed two interactive modules, "Rates of Reaction" and "Models of Organic Molecules," which became part of a previously reported online…
Descriptors: Electronic Learning, Science Experiments, Chemistry, High School Students
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Kanok-on Khampui; Kwanyuen Leamsamrong; Woottipong Rarat; Rattikan Sarnkong – Higher Education Studies, 2025
The purposes of this study were: To examine the effects of low-cost mini science experiment kits on Thai 6th graders' science learning achievement; To investigate how these kits impact Thai 6th graders' Science process skills; To explore their influence on Thai 6th graders' scientific mindset The participants were 111 sixth-grade students from…
Descriptors: Foreign Countries, Elementary School Students, Elementary School Science, Elementary School Teachers