Omay Sumarna, Egi Permana, Sjaeful Anwar, M. Nurul Hana, Ruci Aditya Rushiana
The difficulties faced by students in studying chemistry, one of which is the rate of reaction, is one of the reasons why this research was conducted. This review can serve as a starting point for research related to other materials This research aims to compile worksheet-shaped teaching materials on reaction rate materials with the context of manufacturing liquid organic fertilizers (LOF) through the fermentation of bamboo shoots (Dendrocalamus Asper). In principle, this research is carried out with steps (1) optimization of the conditions for manufacturing liquid organic fertilizers as the foundation for the creation of teaching materials, and worksheets and (2) the creation of teaching materials in the form of a worksheet. Based on the results of this study, student worksheets have been prepared for the practical implementation of the reaction order determination experiment. The results of the study show: (1) The optimum parameter in the preparation of the reaction rate practicum procedure is, a good type of bamboo shoots, namely betung bamboo shoots using 100 mL of EM4 and a mass of 200 g of betung bamboo shoots. The influence of the surface area of the reactions touch can also be carried out through this experiment, namely using bamboo shoots cut into small pieces and mashed bamboo shoots. (2) Characteristics of teaching materials in the form of worksheets developed are very following the following criteria: curriculum, and scientific correctness. The readability test showed that the majority of these teaching materials were easy for students to read with a readability percentage of 75.21% the easily categorized text of 91% and difficult by 9%. © 2023 Taylor's University. All rights reserved.
Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No., Bandung, 229, Indonesia
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