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All Journal Indo-MathEdu Intellectuals Journal International Journal of Community Service (IJCS)
Hasarah, Hasarah
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Community Empowerment Through Pkk Harjosari I Medan Namely The Utilization Of Separated White Waste Into Dish Soap Asnawi, Asnawi; Siregar, Nurhafni; Sidabutar, Fini Yanti; Frandika, Frandika; Hasarah, Hasarah; Tanjung, Herni Savana Br; Ahya, Ismiati; Sirait, Luciyana Br
International Journal of Community Service (IJCS) Vol. 4 No. 2 (2025): July-December
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijcs.v4i2.1569

Abstract

Banana trees are known as highly beneficial plants because almost all of their parts can be used for various purposes, including processed foods. However, many people are still unaware that besides the fruit, heart, and leaves, other parts such as the stem, stump, and even the banana peel can also be utilized. Most people only use the commonly used parts of the banana. However, banana peels have great potential, such as being used as dish soap. Banana peels contain compounds like saponins (foaming agents), tannins, and flavonoids, which have antibacterial properties, making them suitable as a soap base.This community service activity was conducted in Harjosari 1, Medan, using outreach methods and hands-on practice in making dish soap from banana peels with local residents. The success of this activity was measured by increased community understanding and successful home-made soap production, which was monitored regularly through a WhatsApp group
Upaya Meningkatkan Hasil Belajar Siswa Kelas V Mata Pelajaran IPAS Materi Magnet Melalui Model Problem Based Learning di UPT SDN 060800 Medan Area Hasarah, Hasarah; Dwi, Dara Fitrah; Nurmairina, Nurmairina; Sihaloho, Effriana F.
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4210

Abstract

This study aims to analyze the impact of implementing the Problem-Based Learning (PBL) model on learning outcomes in Natural and Social Sciences (IPAS) on the subject of Magnetism in grade V at SDN Kuta Pasie with a total of 23 students. The study used a Classroom Action Research (CAR) approach conducted in two cycles. Data were collected through learning outcome tests in the form of pre-tests and post-tests, supplemented by observations of student activities and documentation of the learning process. Data analysis was conducted quantitatively by comparing pre-test and post-test scores using a paired t-test and calculating Cohen's d effect size to determine the strength of the effect. The results of the study show an increase in the average score from 38.3 on the pretest to 76.5 on the posttest, with an average difference of 38.3 points. Learning completeness increased from 1 student (4.3%) to 12 students (52.2%). The paired t-test produced a t-value of 7.190 with a Cohen's d effect size of 1.499, which is classified as large. These findings indicate that the application of the PBL model is effective in improving students' understanding of magnetic concepts while also encouraging an increase in learning completeness.
Co-Authors Ahya, Ismiati Asnawi Asnawi Dwi, Dara Fitrah Frandika, Frandika Nurhafni Siregar Nurmairina Sidabutar, Fini Yanti Sihaloho, Effriana F. Sirait, Luciyana Br Tanjung, Herni Savana Br