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All Journal Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA)
Ma’ruf, Zuhdi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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PENERAPAN MODEL PEMBELAJARAN CHALLENGE BASED LEARNING TERHADAP HASIL BELAJAR KOGNITIF PADA MATERI KALOR DI SMAN 1 KUALA KAMPAR Isnaini, Isnaini; Ma’ruf, Zuhdi; Sahal, Muhammad
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 12, No 1 (2025): EDISI 1 JANUARI-JUNI 2025
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

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Abstract: The aim to be achieved from writing this thesis is to improve students' cognitive learning outcomes in heat material at SMAN 1 Kuala Kampar. It is hoped that this research can help teachers to convey learning using other learning models, not only learning using the conventional model which makes students bored of paying attention when the teacher teaches, so by using the CBL model it is hoped that it can improve student learning outcomes which were previously low using the conventional model. Research on the application of the CBL learning model to cognitive learning outcomes in heat material was carried out at SMAN 1 Kuala Kampar in the odd semester 2024/2025. The application of this model uses a descriptive research model with a quantitative approach. To find out the students' learning outcomes, the researchers provided a questionnaire which was given to 25 students. Researchers distributed pretest questions before using the CBL learning model, and posttest questions after using the CBL learning model. Then, after giving questions to the students, it was found that the average pretest score was 57.5 while the posttest score was 75. The median pretest score was 55 while the posttest was 75. The pretest mode score was 50 while the posttest was 85. Based on the research results, it was concluded that the comparison of the pretest and posttest scores experienced an increase after using the Challenge Based Learning learning model, it was found that the average pretest score was 57.4 and the average posttest score was 75.Key Words: learning model, challenge based learning, cognitive learning outcomes.
Design Innovation of a Solar-Powered Seawater Purification Device to Support Science Learning in Coastal Areas Irianti, Mitri; Ernidawati; Novianti, Wilda; Ma’ruf, Zuhdi; Zulhelmi; Fauza, Naila; Idris; Sinaga, Abdul Hamid; Hidayah, Rahmi; Burhan, Dhuha Fatihul
Jurnal Penelitian Pendidikan IPA Vol 11 No 11 (2025): November: In Progress
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i11.12897

Abstract

Coastal communities in Indonesia face limited access to clean water because water sources are dominated by seawater and the availability of fresh water is extremely limited. This problem creates a need for innovative and sustainable solutions that can be applied in everyday life and utilized in science learning. This study aims to design and test the feasibility of a solar panel–based seawater purifier as a contextual physics learning medium and a means of providing clean water for coastal communities. The research method used is Research and Development (R&D), conducted through the stages of needs analysis, design, prototyping, expert validation, and limited field trials. Data collected includes expert validation results, practicality assessments by teachers and students, and empirical measurements of water quality such as pH, TDS, salinity, specific gravity, ORP, and EC. Qualitative findings from the validators indicate that this tool has good functionality, is relevant for learning, is easy to use, and is safe to operate. The results show an average validity of 3.73 (very valid) and practicality of 3.60 from students and 3.86 from teachers (very practical category). Water quality tests showed a pH of 6.83, TDS of 124 ppm, which meets WHO standards (TDS < 500 ppm), salinity of 0.01%, specific gravity (SG) of 1.00, ORP of 224 mV, and EC of 0 µS/cm, indicating that the water is suitable for consumption. Thus, the aim of the research is to produce a valid, practical seawater purifier and provide a sustainable alternative solution for the clean water needs of coastal communities.
Co-Authors Burhan, Dhuha Fatihul Ernidawati Idris Isnaini Isnaini Mitri Irianti Muhammad Sahal Naila Fauza Novianti, Wilda Rahmi Hidayah, Rahmi Sinaga, Abdul Hamid Zulhelmi