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Implementasi Model Pembelajaran Berbasis Proyek dan Kooperatif Terhadap Pemahaman Siswa SMA Lawolo, Riniat; Waruwu, Antorius; Lase, Natalia Kristiani
Indo-MathEdu Intellectuals Journal Vol. 5 No. 3 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i3.1422

This study aims to examine the implementation of the Project-Based Learning (PBL) model and the Cooperative Learning (CL) model on the understanding of high school students. This study uses a qualitative approach with a focus on literature studies. The data sources that will be used in this study are scientific articles, books, journals, research reports, and other literature sources that are relevant and related to the influence of project-based and cooperative learning models in biology learning. The data analysis method used in this study is literature analysis or systematic literature review. The results of the study showed that both PBL and CL had a positive effect on the understanding of high school students. PBL provides opportunities for students to be actively involved in learning, build deep understanding, and develop critical thinking skills. CL enhances student understanding through interaction and collaboration, facilitates the exchange of understanding, and improves communication and cooperation skills. This research has important implications for educational practice, such as helping teachers choose the right learning model and encouraging the development of teacher training programs on PBL and CL

Implementasi Model Pembelajaran Berbasis Proyek dan Kooperatif Terhadap Pemahaman Siswa SMA Lawolo, Riniat; Waruwu, Antorius; Lase, Natalia Kristiani
Indo-MathEdu Intellectuals Journal Vol. 5 No. 3 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i3.1422

This study aims to examine the implementation of the Project-Based Learning (PBL) model and the Cooperative Learning (CL) model on the understanding of high school students. This study uses a qualitative approach with a focus on literature studies. The data sources that will be used in this study are scientific articles, books, journals, research reports, and other literature sources that are relevant and related to the influence of project-based and cooperative learning models in biology learning. The data analysis method used in this study is literature analysis or systematic literature review. The results of the study showed that both PBL and CL had a positive effect on the understanding of high school students. PBL provides opportunities for students to be actively involved in learning, build deep understanding, and develop critical thinking skills. CL enhances student understanding through interaction and collaboration, facilitates the exchange of understanding, and improves communication and cooperation skills. This research has important implications for educational practice, such as helping teachers choose the right learning model and encouraging the development of teacher training programs on PBL and CL

Implementasi Model Pembelajaran Berbasis Proyek dan Kooperatif Terhadap Pemahaman Siswa SMA Lawolo, Riniat; Waruwu, Antorius; Lase, Natalia Kristiani
Indo-MathEdu Intellectuals Journal Vol. 5 No. 3 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i3.1422

This study aims to examine the implementation of the Project-Based Learning (PBL) model and the Cooperative Learning (CL) model on the understanding of high school students. This study uses a qualitative approach with a focus on literature studies. The data sources that will be used in this study are scientific articles, books, journals, research reports, and other literature sources that are relevant and related to the influence of project-based and cooperative learning models in biology learning. The data analysis method used in this study is literature analysis or systematic literature review. The results of the study showed that both PBL and CL had a positive effect on the understanding of high school students. PBL provides opportunities for students to be actively involved in learning, build deep understanding, and develop critical thinking skills. CL enhances student understanding through interaction and collaboration, facilitates the exchange of understanding, and improves communication and cooperation skills. This research has important implications for educational practice, such as helping teachers choose the right learning model and encouraging the development of teacher training programs on PBL and CL

Optimasi Produksi Bioetanol dari Limbah Kulit Pisang Melalui Variasi Waktu Fermentasi Menggunakan Saccharomyces Cerevisiae Lahagu, Analisi; Zai, Mitra Semestriani; Lawolo, Riniat; Gulo, Piderman; Waruwu, Yuri; Zega, Novelina Andriani
Indo-MathEdu Intellectuals Journal Vol. 7 No. 1 (2026): Indo-MathEdu Intellectuals Journal (In-Press)
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v7i1.5037

This study aims to determine the effect of fermentation duration on the bioethanol yield and to determine the optimal fermentation time using Saccharomyces cerevisiae yeast. The research method involved several main stages: preparation of banana peel samples, acid hydrolysis (using H₂SO₄) to convert polysaccharides into glucose, and anaerobic fermentation. The fermentation times used in this study were 3, 5, 7, and 9 days with a constant concentration of Saccharomyces cerevisiae inoculum. The bioethanol content was measured using a distillation method followed by alcohol content measurement using an alcohol meter or gas chromatography (GC). The results showed that fermentation time had a significant effect on the bioethanol yield. The bioethanol content increased until it reached an optimal point on the 5th day (or adjust according to your data) with a content of ...%, and tended to decrease at longer fermentation times due to the depletion of nutrients in the medium and the accumulation of by-products that inhibited yeast growth. Based on these results, it can be concluded that banana peel waste is effective for use as a bioethanol substrate with an optimal fermentation time of 5 days.

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