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All Journal Biocaster : Jurnal Kajian Biologi Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan
Masitah Masitah
Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman, Jalan Muara Pahu, Samarinda, Kalimantan Timur 75123, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Immunology & microbiology Mathematics Physics Social Sciences

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Pengaruh Model Problem Based Learning (PBL) Berbantuan Media Wordwall terhadap Keterampilan Berpikir Kritis Siswa pada Mata Pelajaran IPA di Kelas VII SMP Negeri 6 Samarinda Triana Adawiyah; Akhmad Akhmad; Sonja Verra Tinneke Lumowa; Vandalita Maria Magdalena Rambitan; Masitah Masitah; Lilis Suryani
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 6 No. 3 (2026): July (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v6i3.1329

Abstract

This research is motivated by the lack of application of varied learning models, causing low critical thinking skills of students in science learning, so the Problem Based Learning (PBL) model assisted by wordwall is used as a solution. This study aims to determine the effect of the Problem Based Learning (PBL) model assisted by wordwall media on critical thinking skills of seventh grade students of SMP Negeri 6 Samarinda. This research is a quantitative study using a quasi-experimental method with a non-equivalent control group design. The research sample consisted of classes VII C (experimental) and VII D (control), each with 21 students. Data analysis was carried out through normality tests, homogeneity tests, independent sample t-tests and N-Gain tests using SPSS version 25 data processing tools. The results showed a significant difference between the two classes (p = 0.001 < 0.05). The average N-Gain of the experimental class was 0.549 (medium category), higher than the control class of 0.281 (low category). These findings indicate that the implementation of problem-based learning assisted by word walls effectively improves students' critical thinking skills in science learning.
Analisis Kesesuaian Konsep dan Representasi Visual pada Mata Pelajaran Biologi Pokok Bahasan Sistem Imun pada Anime Cells at Work Suci Rahmawati; Akhmad Akhmad; Suparno Putera Makkadafi; Masitah Masitah; Zenia Lutfi Kurniawati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.821

Abstract

This study aims to determine the suitability of the concept of the immune system and the visual representation presented in the anime Cells at Work and the potential of the anime Cells at Work as an alternative learning medium. The data in this study are sentences that show the concept of the immune system and illustrations that show the visual representation contained in the anime Cells at Work. The data collection used is the observation method, the documentation method, and the literature study method. The data analysis technique used by the researcher is a qualitative descriptive technique. The results of the data analysis show that most of the concepts of the immune system are very much in line with current biological knowledge, season 1 of the anime shows a higher level of compatibility than season 2. Based on this, it is concluded that the Cells at Work anime can be used as an alternative learning medium, but it must still be accompanied by a teacher before and after the anime video is aired.
Identifikasi Cemaran Mikroplastik pada Ikan Nila (Oreochromis niloticus) dan Ikan Puyau (Osteochilus vittatus) di Perairan Waduk Benanga, Samarinda Yasmin Athirah Ramadhan; Masitah Masitah; Ruqqoyah Nasution; Nelda Anasthasia Serena
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.1035

Abstract

Benanga Reservoir in Samarinda serves as a water source, river conservation area, and fishery location that supports local subsistence and commercial activities. However, the suboptimal management of plastic waste around Benanga Reservoir increases the risk of microplastic pollution that threatens human health and food security through fish consumption. This study aims to identify the types and amounts of microplastic contamination in Tilapia (Oreochromis niloticus) and Puyau (Osteochilus vittatus) in Benanga Reservoir waters. The research method is quantitative-descriptive exploratory. Fish samples were taken by purposive sampling method at 4 station points using a net (gillnet), the gills and digestive tract were destroyed using 10% KOH and flotation with 0.9% NaCl to be observed using a light microscope with the help of optilab viewer. Data were analyzed using descriptive statistics. Analysis of 12 fish samples showed the presence of microplastic contamination in all samples with a total of 155 particles including fiber, film, fragment, and pellet forms with various colors and sizes. The average abundance of tilapia is 11.4 particles/tail, while in puyau fish it reaches 14 particles/tail. Cumulatively, the level of microplastic contamination in puyau fish (98 particles) was identified as higher than in tilapia (57 particles), with fiber particles predominating in both species. The presence of microplastics in this local fish population emphasizes the urgency of waste management and pollution mitigation to ensure food security and ecosystem integrity in the Benanga Reservoir.
Co-Authors Akhmad Akhmad Lilis Suryani Nelda Anasthasia Serena Ruqqoyah Nasution Sonja Verra Tinneke Lumowa Suci Rahmawati Suparno Putera Makkadafi Triana Adawiyah Vandalita Maria Magdalena Rambitan Yasmin Athirah Ramadhan Zenia Lutfi Kurniawati