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All Journal CHEDS: Journal of Chemistry, Education, and Science Educational Studies: Conference Series
Farah Erika
Mulawarman University
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Education Materials Science & Nanotechnology Other

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Google Classroom Effectiveness Helping Educandy As Learning Media Endang Astuti; Sri Lestari; Farah Erika
Educational Studies: Conference Series Vol 1 No 1 (2021)
Publisher : Faculty of Teacher Training and Education, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/escs.v1i1.862

Abstract

The current pandemic condition, namely the Covid-19 virus, has resulted in various schools having to implement online learning, therefore one of the efforts to help the online learning process to be more fun and not boring is to use learning media in the learning process. This study aims to determine the effectiveness of Google Classroom assisted by Educandy as a learning medium for students' chemistry learning outcomes. The population and sample in this study were all students of class X MIPA as many as 89 students, the sample was determined using a saturated sampling technique. This research method is descriptive quantitative research design with One Group Pretest Posttest Design. Data was collected by means of learning outcomes tests as the main data, student response questionnaires and observation as support data. The data analysis technique used is the n-gain test and the effect size test. The results of the calculations in this study are the average data for the analysis of N-Gain for learning outcomes is 0.625, which means that it is included in the moderate level of effectiveness. And based on the results of the Effect Size test, it obtained a value of 1,077 which means that the learning media used is included in the category of strong effect. The results showed that the use of Google Classroom assisted by Educandy was effective as a learning medium at SMA Negeri 1 Kembang Janggut.
PENENTUAN KANDUNGAN TOTAL FENOLAT DAN FLAVANOID SEBAGAI ANTIOKSIDAN DAN ANTIBAKTERI EKSTRAK METANOL DAUN SUNGKAI (PERONEMA CANESCENS JACK) Intan Eti Pratia; Laras Resti Wahyuni; Chofifah Carunisa; Ditalia Nurfitriani; Ariza Rafidah Husna; Shella Febriandika Puspita Devi; Farah Erika
CHEDS: Journal of Chemistry, Education, and Science Vol 8, No 1 (2024)
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/cheds.v8i1.9028

Abstract

Kalimantan merupakan pulau yang terkenal dengan keanekaragaman hayatinya. Daun sungkai merupakan salah satu kekayaan hayati yang terdapat di Pulau Kalimantan. Daun sungkai kaya akan potensi aktivitas antioksidan dan antibakteri. Hal ini disebabkan tingginya kandungan senyawa fenolik dan flavonoid pada daun sungkai. Penelitian ini bertujuan untuk mengetahui kadar total fenolik dan flavonoid pada ekstrak daun sungkai. Sampel diekstraksi dengan metode maserasi menggunakan pelarut metanol. Penentuan kandungan total fenolik ekstrak menggunakan alat pembanding asam galat dengan berbagai konsentrasi. Penentuan kadar flavonoid total dilakukan dengan menggunakan komparator kuarsetin. Nilai serapan diukur menggunakan spektrofotometer UV-Vis. Kemudian nilai serapannya dimasukkan ke dalam persamaan regresi linier. Hasil penelitian menunjukkan kandungan total fenolik pada ekstrak daun sungkai sebesar 5,461 mg/L dan kandungan total flavonoid sebesar 17,359 mg/L.
LITERATUR REVIEW : KETERKAITAN PEMBELAJARAN KIMIA TERHADAP PENDEKATAN ETNOKIMIA DI INDONESIA Aldiansyah Aldiansyah; Jessica Indriyani Pasa; Muhammad Rijal Muttaqin; Nabilah Nailah Awaliyah; Farah Erika
CHEDS: Journal of Chemistry, Education, and Science Vol 7, No 2 (2023)
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/cheds.v7i2.8416

Abstract

Etnosains merupakan suatu disiplin ilmu yang memadukan bidang studi dengan budaya masyarakat lokal. Penelitian ini menggunakan metode NLR (narative literatur review. Etnokimia merupakan bagian dari etnosains, etnokimia merupakan pendekatan ilmiah yang menghubungkan kimia dengan budaya lokal suatu masyarakat tertentu yang diwariskan secara turun temurun. Penyebaran budaya lebih terfokus pada Jawa, Nusa Tenggara, Bali, Kalimantan, dan Sumatera Hasil membuktikan bahwa pendekatan etnokimia efektif dalam memotivasi siswa belajar kimia.
Co-Authors Aldiansyah Aldiansyah Ariza Rafidah Husna Chofifah Carunisa Ditalia Nurfitriani Endang Astuti Intan Eti Pratia Jessica Indriyani Pasa Laras Resti Wahyuni Muhammad Rijal Muttaqin Nabilah Nailah Awaliyah Shella Febriandika Puspita Devi Sri Lestari