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All Journal Biospecies Indonesian Journal of Science and Mathematics Education
Febriyani, Uun
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Mathematics

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STEM Multimedia to Stimulate HOTS in Renewable Energy Material Diansah, Irani; Febriyani, Uun; Anggalia, Fransisca; Negara, Hasan Sastra; Firmansah, Deri
Indonesian Journal of Science and Mathematics Education Vol. 6 No. 3 (2023): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v6i3.25150

Abstract

The rapid advancement of technology in the 21st century demands students to master Higher-Order Thinking Skills (HOTS) to face global challenges. This study aims to develop a multimedia-based STEM learning tool to stimulate HOTS in physics, particularly renewable energy topics focusing on hydro and wind energy. The research employs the ADDIE model (Analyze, Design, Develop, Implement, Evaluate) to create and test the multimedia’s validity, practicality, and effectiveness. Data were collected using expert validation sheets, teacher and student questionnaires, and HOTS assessment tests. Results indicate that the multimedia is valid, practical, and effectively enhances students' HOTS. This study highlights the potential of STEM-based multimedia in providing engaging and meaningful learning experiences, particularly in abstract physics topics. These findings have implications for developing innovative learning strategies following the 2013 curriculum, emphasizing developing critical and creative thinking skills.
ANALISIS UJI TANTANG UDANG VANAME (Litopenaeus vannamei) YANG DIBERI BAKTERI PROBIOTIK Bacillus sp. D2.2 DAN EKSTRAK UBI JALAR SEBAGAI SINBIOTIK Wijayanti, Arlin; Dwinitasari, Nandya; Febriyani, Uun; Harpeni, Esti; Wardiyanto, Wardiyanto
Biospecies Vol. 11 No. 2 (2018): Juli 2018
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (386.723 KB) | DOI: 10.22437/biospecies.v11i2.5716

Abstract

In vaname shrimp cultivation system, bacterial disease is a problem that often arises that mainly caused by the bacteria Vibrio sp. Sinbiotic application is one way to prevent disruption of the disease. Sinbiotic is nutritional supplements that made from the combination of probiotic and prebiotic that can provide beneficial effects to the host. This research uses a local sinbiotic of probiotic bacteria Bacillus sp. D2.2, which comes from the traditional ponds in the Mulyosari village, Pasir Sakti district, Lampung Timur Regency, Lampung. Prebiotic that used in this research made from meal extracts of purple sweet potato that had the best capability to support the growth of bacteria probiotic Bacillus sp. D2.2. This research aims to know the effectivity of sinbiotic against the infection of vibriosis againts to vaname shrimp by doing analysis of clinical symptoms and tissue damage post test challenge using bacteria Vibrio harveyi. The results showed that addition sinbiotic gave effect to SR 6,25 %, MTD 13,80 hour, and clinical symptoms and then tissue damage is lower than without the feeding of sinbiotik.
Co-Authors Anggalia, Fransisca Deri Firmansah Diansah, Irani Dwinitasari, Nandya Esti Harpeni Hasan Sastra Negara Wardiyanto Wardiyanto, Wardiyanto Wijayanti, Arlin