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Meutia, Eva
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Education Physics

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Analysis of Wave Laboratory Reports to Identify Science Process Skills of UNNES Undergraduate Physics Education Students Meutia, Eva; Supriyadi, Supriyadi; Wahyuni, Siti
Physics Communication Vol 8, No 2 (2024): August 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v8i2.49665

Abstract

The purpose of this study was to identify the science process skills of physics education students through analysis of practicum reports on wave courses at the Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang. The research method used is qualitative descriptive. The entire population in this study is used as a sample. Therefore, the sample in this study consists of third-semester students for the 2022/2023 academic year in the Physics Education program, totaling 94 students into 3 classes: A, B, and C. Observations indicate that the wave practical sessions are conducted using an open inquiry approach, without any practical guidance modules. The assessment of practical reports is conducted according to the predetermined evaluation rubric. The students' science process skills in preparing wave laboratory reports are categorized as high. Analysis results show that the highest average percentage of science process skills is found in the grouping indicator, at 88.32%, while the lowest is in the hypothesizing indicator, at 73.72%. The lecturer is assisted by laboratory assistants in evaluating the students' practical reports, with the assessment based on the results obtained in the report preparation. Students are considered to be in the high category if they are able to prepare reports according to the systematic report structure and meet the science process skills criteria.
Utilization of Magrove Muds In the Kuala Langsa as A Source of Electricity Meutia, Eva; Nurbaiti, Upik; Yulianto, Agus
Physics Education Research Journal Vol. 7 No. 1 (2025)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

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Abstract

The economic potential of mangroves can be a provider of economic resources, preserving the ecological environment and providing environmental services. Mangrove soil in Kuala Langsa is important to study as the potential for carbon sequestration in the form of biomass, the social potential of the community in supporting the development of efforts. The purpose of this study was to determine how much electricity was generated by the Kuala Langsa mangrove mud soil and how the effect of variations in electrode material on the electricity produced by the Langsa mangrove mud soil. The method used is to use a series of voltaic cells. The results of this study obtained data that mangrove mud soil can be used as alternative energy by using variations of Cu-Zn and Cu-Al electrode pairs with a mangrove mud mass of 350 ml, at Cu-Zn electrode pairs the largest electric power obtained is 0,8736 J/s. with the lamp on while the Cu-Al electrode pair obtained an electric power of 0,1794 J/s with the lamp not lit
Co-Authors Agus Yulianto Siti Wahyuni Supriyadi Supriyadi Upik Nurbaiti