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All Journal Journal of General Education Science Jurnal Ilmiah Nusantara
Evita Elyanti
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Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Health Professions Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Nursing Public Health Social Sciences Other

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Efforts to Improve Critical Thinking Skills Through a Whole Language Approach in Elementary Schools Sri Wulandari; Evita Elyanti
Journal of General Education Science Vol 2 No 2 (2024) Journal of General Education Science, March
Publisher : Berpusi Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62966/joges.v2i2.578

Abstract

This research was conducted with the aim of describing: (1) learning in material conveying fairy tale content developed using a whole language approach for elementary school (SD) students (2) changes in elementary school students' attitudes after receiving material conveying fairy tale content using a whole language approach, and (3) elementary school students' learning achievement after receiving material to convey the contents of fairy tales using a whole language approach. This research includes case study research. The subjects of this research were second grade elementary school students. The data collection techniques used were observation, interviews and tests. Test the validity of the data in this research by triangulating data sources, triangulating methods, and informant reviews. The results of the research show (1) the application of the whole language approach in conveying fairy tale content is carried out through the enjoyment stage, appreciation stage, and understanding stage, (2) the attitude changes that occur include (a) increasing critical thinking skills, (b) understanding the correlation between images in words, c) activeness when watching videos and discussing, (d) embedding cooperation and respect between students, and (e) increasing speaking skills, (3) all students experienced an increase in learning achievement with a score of 77-95 through three domains, namely cognitive domain, affective domain, and psychomotor domain.
DETECTING BORAX AND FORMALIN CONTENT IN FOOD USING NATURAL INDICATORS Meli Agustin; Evita Elyanti; Nurul Hasanah
JURNAL ILMIAH NUSANTARA Vol. 2 No. 6 (2025): Jurnal Ilmiah Nusantara
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v2i6.6130

Abstract

The use of hazardous additives such as borax and formaldehyde in food remains a serious problem that threatens public health. This practicum aims to detect the presence of borax and formaldehyde in several food samples using natural indicators in the form of turmeric and red dragon fruit solutions. The method used is observing color changes resulting from chemical reactions between the natural indicators and the hazardous substances in the food. Seven samples were tested: meatballs, sausages, nuggets, instant noodles, sauce, Ale-ale drink, and rock sugar powder. The results showed that the meatballs produced a reddish-brown color change in the turmeric solution, indicating the presence of borax. Meanwhile, the Ale-ale drink caused the dragon fruit solution to fade, indicating the presence of formaldehyde. The other five samples tested negative in both tests. This practicum demonstrates that natural indicators can be used as simple, environmentally friendly, and effective early detection tools for identifying hazardous substances in food. Furthermore, this activity also raised students' awareness of the importance of food safety in everyday life.
Co-Authors Meli Agustin Nurul Hasanah SRI WULANDARI