<![CDATA[This research is based on the limitations and monotony of learning resources in schools and the gap between educational practices and the character of students in schools. There is a need for learning resources that can be used as a solution to this gap. The purpose of this research is to develop an ethnoscience-based E-ChemMagz edition of reaction rate material to improve student character that is valid and practical. The research used the EDR (Education Design Research) research method with the utilization of the Plomp model. There are three stages carried out from this development, namely preliminary research, development (Development/Prototype) and assessment (Assessment phase). The instruments used in this study were validity and practicality sheets. From the final results of the study, it shows that the learning resources supporting the ethnoscience-based E-ChemMagz edition of the reaction rate are valid and practical. The data obtained from the developed product shows a V value of 0.87 with a valid category. The E-ChemMagz practicality test obtained a very positive response, with a percentage of 92.15% teacher response and 91.03% student response, each of which was classified as a very practical category used in learning.]]>
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