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All Journal THABIEA (JOURNAL OF NATURAL SCIENCE TEACHING) Hydrogen: Jurnal Kependidikan Kimia Bioscientist : Jurnal Ilmiah Biologi IJOEM: Indonesian Journal of Elearning and Multimedia
Nursa'adah, Euis
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Immunology & microbiology Languange, Linguistic, Communication & Media Physics Social Sciences Other

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Students’ Environmental Literacy: Environment Education Assisted E-Booklet on Biodiversity Gegas Dam Indonesia Context Nursa'adah, Euis; Maryani, Budi; Ruyani, Aceng
THABIEA : JOURNAL OF NATURAL SCIENCE TEACHING Vol 4, No 2 (2021): THABIEA : JOURNAL OF NATURAL SCIENCE TEACHING
Publisher : Institut Agama Islam Negeri Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/thabiea.v4i1.11599

Abstract

Indonesia is one of the world's mega biodiversity needs to be preserved, due to estimated the extinction rate of one species is estimated at 10,000 times per year caused by human activity. Various efforts have been made by various sectors to preserve the environment, including in education through Environmental Education (EE). This research aim to implement Environmental Literacy (EL) domain in Biodiversity learning assisted validated e-booklet (CVR0,67) to enhance student knowledge, cognitive skills (identification of issues, analysis of issues, and action plans), attitude (verbal commitment, environmental sensitivity, and feelings towards the environment), and responsible behavior towards the environment. The EL domains related to real context of biodiversity in Gegas Dam is implemented in order to avoid the availability of disconnecting youth generation with their native biodiversity. Data analysis and identification of diversity- diversity index, homogeneity, dominance and correlation among chemical-physical environmental factors- are presented in an e-booklet to strengthen students' knowledge and cognitive skills, while attitude and responsibility behavior are strengthened by presenting local, national and global environmental issues. Through one group pre-posttest design, 30 high school students in South Sumatra as youth generation were involved in this research. Students’ EL is measured by 66 questions EL domain. The results showed that students' verbal commitment got the highest n-gain score (0.62 medium), while environmental sensitivity was the smallest (0.2 low). These results indicate that verbally students or youth generation already know how to conserve the environment. Cultivation of environmental conservation habits could be continuously improved by realizing their verbal ideas.
Development of a Science Module Based on Local Wisdom of Dried Octopus to Improve Students' Cognitive Learning Outcomes on the Material of Temperature, Heat, and Expansion Pistira, Pistira; Mayub, Afrizal; Defianti, Aprina; Nursa'adah, Euis; Wardana, Rendy Wikrama
IJOEM Indonesian Journal of E-learning and Multimedia Vol. 4 No. 3 (2025): Indonesian Journal of E-learning and Multimedia (October 2025)
Publisher : CV. Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijoem.v4i3.455

Abstract

Background: Science teaching at the junior high school (SMP) level still struggles to connect scientific concepts with students' everyday experiences. The absence of local wisdom integration contributes to low motivation and poor understanding of scientific material. One underutilized local potential is the traditional drying process of octopus practiced by coastal communities in Kaur Regency, Bengkulu.Aims: This study aims to develop and assess the feasibility of a science learning module based on the local wisdom of dried octopus, focusing on the concepts of temperature, heat, and expansion for seventh-grade students.Method: Using a Research and Development (R&D) approach with the ADDIE model, the study involves five stages: analysis of student and teacher needs, module design, expert-validated development, implementation through a readability test involving 21 seventh-grade students at SMP Negeri 24 Kaur, and final evaluation.Results: The results of the expert validation showed a module feasibility level of 95% with the category "very feasible," while the student readability test obtained an average score of 97% with the category "very easy to understand." The developed module also received positive responses from students regarding engagement, content clarity, language, and usefulness.Conclusion: The science module based on the local wisdom of octopus drying is considered highly feasible and practical for teaching temperature, heat, and expansion. Integrating local wisdom into science learning has been proven to improve students’ cognitive learning outcomes and foster awareness of local cultural values.
Keanekaragaman Ikan Hasil Tangkapan Nelayan di Pelabuhan Pulau Baai Kota Bengkulu Hutabarat, Naftalia Artaria; Sakti, Indra; Sutarno, Sutarno; Defianti, Aprina; Primairyani, Ariefa; Nursa'adah, Euis
Bioscientist : Jurnal Ilmiah Biologi Vol. 11 No. 2 (2023): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v11i2.9130

Abstract

Pulau Baai Port is a crucial resource used as the main sea transportation route for some commodities and goods needed by principals when traveling to or from Bengkulu. Data collection was carried out at three stations The method used to determine stations is purposive sampling. Water quality data collection was also carried out at the three stations. The fish identification method is carried out by looking at morphological characteristics to facilitate classification using the Marine Fishes of the south identification book. A total of 18 species of fish found in the waters of the City of Bengkulu landed at the port Pulau Baai namely white pomfret fish (Pampus argenteus), black pomfret fish (Parastromateus niger), mackerel fish (Scomberomorini), mujair fish (Oreochromis mossambicus), beledang fish (Trichiurus lepturus), next fish (Pleuronectiformes), manyung fish (Arius thalassinus ), kerong kerong fish (Terapon jarbua), sea cork fish (Channa striata), big eye tuba fish (Thunnus obesus), mullet fish (Moolgarda seheli), anchovies (Engraulidae), mackerel fish (Scomberomorini), beleberan fish (Opisthopterus tardoore), Cladi fish (Osphronemus goramy), Kape-kape fish (Pentaprion longimanus), Gulamo fish (Johnius trachycephalus), and Sengin fish (Eleutheronema tetradactylumThen, from the results of calculating the diversity index at these three stations, the values range from 2.46-2.07, (medium). It can be concluded that the results of the ecological analysis at the three stations have moderate diversity with a uniform composition and no species dominates.
Biosynthesis of Gold Nanoparticles Using Wuluh Star Fruit (Averrhoa bilimbi) for Chromium Analysis Dewi, Ria Kemala; Firdaus, M. Lutfi; Nursa'adah, Euis
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 1 (2024): February 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i1.10188

Abstract

One of the heavy metals that can pollute waters is the heavy metal chromium (Cr). Chromium has many important roles in life. Chromium material is widely used by humans for various purposes, especially in the industrial world. However, the large number of uses of chromium in the industrial world and the waste it generates can have a negative impact on the environment and human health. One way to deal with chromium pollution is by analyzing the presence of chromium in waters. The aim of this research is to analyze the presence of chromium using a simple, effective, economical and accurate method, namely the biosynthesis of gold nanoparticles using samples of starfruit (Averrhoa bilimbi) as a bioreductor rich in ascorbic acid, with a colorimetric method, namely a method based on the aggregation of gold nanoparticles with ascorbic acid from starfruit, which causes a shift in plasmons and causes color changes that can be seen by the eye. Based on the analysis results, data was obtained that gold nanoparticles synthesized from the starfruit bioreductor can detect chromium with a concentration of 10 ppm with optimum conditions at pH 5, temperature 75oC, optimum incubation time of 5 minutes and gold nanoparticles are selective and sensitive for detecting chromium.
Co-Authors ACENG RUYANI Ariefa Primairyani, Ariefa Defianti, Aprina Dewi, Ria Kemala Hutabarat, Naftalia Artaria Indra Sakti M. Lutfi Firdaus, M. Lutfi Maryani, Budi Mayub, Afrizal Pistira, Pistira Sutarno Sutarno Wardana, Rendy Wikrama