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All Journal Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) JIPI (Jurnal IPA dan Pembelajaran IPA)
Fikroh*, Retno Aliyatul
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Physics

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Analysis of Bio-battery Making from Avocado Peel as an Alternative Practicum Design to Develop Pancasila Student Profile Character Listiowati, Eni; Fikroh*, Retno Aliyatul; Milehman, Natthawat
Jurnal Pendidikan Sains Indonesia Vol 12, No 3 (2024): JULY 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v12i3.38182

Abstract

The renewal of the curriculum from 2013 to the Merdeka curriculum emphasizes the importance of developing the characteristics of the Pancasila Student Profile in education through project-based learning, such as practicums. However, practicums on voltaic cell material often use expensive kits, while there is an alternative using bio-battery media from avocado peel waste, which is more environmentally friendly and economical. This research aims to utilize avocado peel waste as a substitute for commercial batteries, in the hope of reducing battery waste and providing an environmentally friendly and inexpensive practicum design, as well as building the characteristics of the pancasila student profile. The type of research used is descriptive qualitative, consisting of literature study, experimentation, and interview stages. The results showed variations in voltage and current strength produced by avocado peel bio-batteries depending on the variety of avocado peel and the length of fermentation time. Although the variation in avocado peel variety does not result in a significant difference, the electrical energy produced shows the potential of using this practicum in improving students' understanding and building the characteristics of the pancasila student profile.
Analysis of Practical Design for Making Natural Acid-Base Indicator Paper from Purple Golden Flower Extract (Ruellia simplex) as Teaching Material for Acid-Base Material Muharromah, Hafida Puspita; Fikroh*, Retno Aliyatul; Hermanto, Nur Aziani Binti
Jurnal IPA & Pembelajaran IPA Vol 7, No 4 (2023): DECEMBER 2023
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v7i4.35296

Abstract

Experiments are an essential part of chemistry. An indicator in the form of a synthetic indicator is generally used in acid-base practice. Using synthetic indicators can cause waste that is dangerous for the environment and is relatively expensive. Purple golden flowers are one of the plants that contain high levels of anthocyanin compounds, which have the potential to be an alternative in making natural acid-base indicators. This research aims to determine the curriculum and learning outcomes of acid-base material, the potential of natural indicator paper for purple golden flowers as a substitute for synthetic indicators, and the feasibility of indicator paper as a design for chemical experiments in SMA/MA. This research uses descriptive qualitative methods, which include literature studies, interviews, observations, and experiments. The purple golden flower indicator is produced by extraction using the maceration method using 96% ethanol solvent. The research results show that paper from purple golden flower extract can be used as a natural acid-base indicator by producing a pink color change in acidic solutions and a green color in essential solutions. Based on the natural indicator paper analysis, the purple golden flower can be used as an alternative indicator in practicum design in schools
Co-Authors Hermanto, Nur Aziani Binti Listiowati, Eni Milehman, Natthawat Muharromah, Hafida Puspita