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All Journal Journal of Biology Education Jurnal Bina Desa
Zulfa Aliya
Universitas Negeri Semarang
Education

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Penyuluhan Penghijauan Melalui Pembuatan Eco-Pot Dan Edukasi  Pembuatan Pupuk Kompos Di Desa Kemiri Kecamatan Kaloran Listiyono Budi; Fatur Satria; Zulfa Aliya; Ilham Cahyo Saputro; Rafi Satria Cahaya Putra; Achifatul Kumayah
Jurnal Bina Desa Vol. 8 No. 2 (2026): Vol 8 No 2 (2026)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jurnalbinadesa.v8i2.13066

Abstract

This activity is filled with three activities, namely socialization of the importance of greening, making EcoPots from plastic bottle waste, and making compost from rice straw and goat manure. This activity aims to increase awareness of the importance of greening and the importance of preserving the environment from an early age. The target of this activity is the 5th grade students of MI Nurul Falah located in Pringtali Hamlet, Kemiri Village, Kaloran District. The methods used in this activity are lectures and demonstrations. Lectures are carried out by delivering material in the form of understanding greening, the importance of greening, benefits, and the correct way to plant trees. The demonstration method is  carried out by practicing making Eco-Pots and making compost using raw materials of rice straw and goat manure which are widely available around Kemiri Village, then added with EM-4, rice husks, granulated sugar, and water. The results of this activity are compost and pots from decorated plastic bottles and then used to plant plants in the school environment.  
Implementation of Problem-Based Learning Based Multiple Representations to Improve Critical Thinking, Communication, and Collaboration Skills on Digestive System Material Zulfa Aliya; Aditya Marianti
Journal of Biology Education Vol. 15 No. 2 (2026): Agustus 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujbe.v15i2.24993

Abstract

The purpose of this study is to analyze the effectiveness of the Problem-Based Learning (PBL) model with multiple representations to enhance students' critical thinking, communication skills and collaboration skills in the digestive system material. The study was Quasi-Experimental using non equivalent control group design, with the subjects being students of classes XI-1, XI-2 and XI-3 at SMA Negeri 14 Semarang, selected through purposive sampling. The independent variable in this study was the Problem-Based Learning (PBL) model with multiple representations, while the dependent variables were students' critical thinking, communication skills and collaboration skills. The research results showed that Students' critical thinking skills in the experimental class that implemented PBL model with multiple representations were higher (89,97) than the control class (58,8). The improvement  in critical thinking skill of experimental class students had higher N-gain criteria (0.85) than the control class (0.45). Students' oral communication skills in the experimental class that implemented PBL model with multiple representations were higher (81) than the control class (29). Students' written communication skills in the experimental class that implemented PBL model with multiple representations were higher (99) than the control class (83). Students' collaboration skills in the experimental class that implemented PBL model with multiple representations were higher (94) than the control class (60). Based on the result, it can be concluded that the PBL model with multiple representations was effective in improving students’ critical thinking, creativity, communication skills in the digestive system material.
Co-Authors Achifatul Kumayah Aditya Marianti Fatur Satria Ilham Cahyo Saputro Listiyono Budi Rafi Satria Cahaya Putra