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All Journal Jurnal Kependidikan: Penelitian Inovasi Pembelajaran Unnes Science Education Journal
Agung Wibowo
Universitas Negeri Semarang
Decision Sciences, Operations Research & Management Education

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DEVELOPING MICROCONTROLLER BASED KINEMATICAL EXPERIMENT SET Bambang Subali; Agung Wibowo; Sunarno Sunarno; Wawan Kurniawan
Jurnal Kependidikan Vol 2, No 2 (2018)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (94.236 KB) | DOI: 10.21831/jk.v2i2.15161

Abstract

This study was aimed at developing two sets of kinematics experiment namely free fall motion and microcontroller based projectil motion. This study used an R D research design that involves descriptive and evaluative methods. This research was conducted at the Physics Laboratory of Semarang State University and the Science Laboratory Semarang. The stages of this research included design design, tool making, tool validity testing, data retrieval and data processing. Validity test was done to validate the feasibility of the tool by an expert in physics and tested to physics students. A limited scale test and a large scale test were also be done in this study.These tests were conducted to determine the level of readability of the tool and the level of appropriateness of the equipment. This study produced a microcontroller-based experimental set that was feasible for free fall motion and projectile motion experiments. Time measurement results by the kinematics experiment set for free fall motion and projectile motion obtained a better level of accuracy than the previous tool that is equal to 98.30% and has an accuracy level of 99.99%.
Exploring Learners’ Concept Understanding of Static Electricity: A Scientific Literacy Case Study in a Malaysian Primary School Agung Wibowo; Fidia Fibriana; Nurzaimah Binti Asalal
Unnes Science Education Journal Vol. 14 No. 3 (2025): December 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v14i3.36016

Abstract

Understanding static electricity can be challenging for elementary students due to its abstract nature. As the ability to explain scientific phenomena is a key indicator of scientific literacy, contextual and interactive learning experiences are essential. This study aimed to explore the level of understanding of the concept based on a case study in a Malaysian primary school. This study investigated the implementation of a guided inquiry-based static electricity experiment and analyzed the scientific literacy outcomes of Grade 3 students in a Malaysian elementary school. Using purposive sampling, 28 students participated in a simple practicum that involved using a ruler and paper pieces, supported by a worksheet and a nine-item Likert-scale questionnaire to assess their scientific literacy. Data analysis confirmed normal distribution, with literacy scores indicating strong performance: 81% in understanding and explaining phenomena, 85% in designing and evaluating scientific inquiry, and 88% in applying scientific information for decision-making. Skewness values of 0.035, -0.836, and -0.917, respectively, suggest consistent data patterns. Despite overall positive results, the lowest score highlights the need to strengthen concept understanding. Findings demonstrate that simple, experiment-based learning can foster cognitive development and scientific literacy, emphasizing the role of teacher guidance in linking everyday experiences to scientific concepts.
Co-Authors Bambang Subali Fidia Fibriana Nurzaimah Binti Asalal Sunarno Wawan Kurniawan