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Implementation of Problem Based Learning Strategy in Social Studies Subjects in Junior High Schools Ahmad Zamroni; Amrin, Amrin
Council: Education Journal of Social Studies Vol. 3 No. 1 (2025): Council: Education Journal of Social Studies
Publisher : Yayasan Insan Mulia Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59923/council.v3i1.297

Abstract

Problem-based learning strategies emphasize learning experiences, so that students can reconstruct their knowledge based on problems. The objectives of this study; 1) describe the planning of social studies learning using the PBL strategy; 2) Describe the implementation of social studies learning using the PBL strategy; 3) Identify the evaluation of the implementation of social studies learning using the PBL strategy. The research method used is qualitative which produces descriptive data in the form of written or spoken words. The purpose of descriptive research is to create descriptions, pictures or paintings systematically, and produce accurate pictures and knowledge that can be used in describing a symptom or phenomenon that occurs in the field. The results of the study of the implementation of the PBL learning strategy at SMPN 1 Tlogosari using learning media in the form of social studies subject videos, are considered to be very helpful for students actively in developing critical thinking, and reconstructing new knowledge from direct learning experiences examining problems. These results also show that the PBL strategy has close relevance to social studies learning because it focuses on social problems, as a basis for contextual knowledge construction
Preliminary Study of the Performance of a Bulb Heat-Based Dryer with Curly Chilli (Capsicum Annum L.) yamin, muh; Mujibu Rahman; Farida Aryani; Edy Wibowo Kurniawan; M. Atta Bary; Ahmad Zamroni; Adnan Putra Pratama; Mika Debora Br Barus; Hamka; Andi Giantoro
Jurnal Loupe Vol 20 No 01 (2024): June 2024
Publisher : Jurusan Pertanian Politeknik Pertanian Negeri Samarinda Kampus Sei Keledang Jalan Samratulangi, Kotak Pos 192 Samarinda 75123

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/buletinloupe.v20i01.3007

Abstract

Along with the development of industry and the increase in population, the need for chilies has also increased. This shows that more than half of the chilies that have been harvested have the potential to be wasted or not utilized optimally. So the dryer designed and made is a type of bulb heat-based dryer, namely a chili dryer that can use heat energy from the light rays of the bulb. With this dryer, it is hoped that there will be an increase in production capacity. Apart from that, the product obtained will be of good quality, namely having relatively clean chili quality. The research design used in this research is to use one treatment, namely for 10 hours from 08:00-18:00 and testing the specified parameters at a time interval of 120 minutes. In this research, the method used was an average calculation with one treatment repeated 3 times, symbolized P1= chili product 1, P2= chili product 2, P3= chili product 3. Bulb heat-based dryers can work well according to their use. This tool produces an average temperature of 52.44°C, and the highest temperature reaches 60°C. The capacity of this bulb heat-based dryer has 6 shelves and can accommodate 4,800 g of chili, with each shelf able to accommodate 800 g of chili.. Based on tests on the parameters that have been carried out, the average water content in chilies is 57.3354%. This result is still very high compared to the SNI for the water content in dried chilies of 11%.