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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Jurnal Penelitian Pembelajaran Fisika Alotrop Jurnal Pendidikan dan Ilmu Kimia AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat SEJ (Science Education Journal) Jurnal Kumparan Fisika Abdimasku : Jurnal Pengabdian Masyarakat Jurnal Paedagogy Bioscientist : Jurnal Ilmiah Biologi DIKSAINS : Jurnal Ilmiah Pendidikan Sains Amplitudo: Jurnal Ilmu dan Pembelajaran Fisika
Uliyandari, Mellyta
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Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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PENGEMBANGAN SOAL HIGHER ORDER THINKING SKILL (HOTS) KELAS VII PADA MATERI KALOR DAN PERPINDAHANNYA DI SMPN 13 KOTA BENGKULU Cantika, Pricilia Debi; Winarni, Endang Widi; Parlindungan, Deni; Wardana, Rendy Wikrama; Uliyandari, Mellyta
DIKSAINS : Jurnal Ilmiah Pendidikan Sains Vol. 5 No. 2 (2024): Juni 2025
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/diksains.5.2.96-104

Abstract

ABSTRAK   Penelitian ini bertujuan untuk mengembangkan soal berbasis Higher Order Thinking Skill HOTS yang valid secara logis, valid secara empiris, serta mengetahui profil jawaban siswa pada materi kalor dan perpindahannya yang layak untuk digunakan. Sampel dalam penelitian ini adalah siswa kelas VII A dan VII B dengan jumlah keseluruhan berjumlah 54 siswa. Pengambilan sampel menggunakan teknik pengumpulan data dengan uji coba produk soal draft I, kemudian soal draft I di validasi oleh validasi ahli materi, konstruksi, dan bahasa, kemudian diuji kevalidan soal serta melihat profil jawaban siswa kemudian data dianalisis dengan teknik analisis data kuantitatif. Soal-soal HOTS hasil pengembangan bahwa telah valid secara logis ditinjau dari  aspek materi, konstruksi, dan bahasa dengan kategori sangat valid. Soal-soal HOTS hasil pengembangan bahwa telah valid secara empiris ditinjau dari validitas, reliabilitas, indeks kesukaran, daya pembeda, dan fungsi pengecoh dari tinjauan itu draft soal I berjumlah 20 soal setelah di uji empiris dan dianalisis validitas, reliabilitas, indek kesukaran, daya beda, dan fungsi pengecohnya maka soal yang kualitas memenuhi ada 8 soal. Jika dilihat profil jawaban siswa berada pada soal jenjang kognitif C4 diperoleh 100%. Sedangkan jenjang kognitif soal C5 memperoleh persentase sebesar dengan 97%. Dan pada soal jenjang kognitit C6 memperoleh persentase yaitu 89%.   Kata kunci: Pengembangan soal HOTS, Kalor dan Perpindahannya. ABSTRACT   This study aims to develop questions based on HOTS Higher Order Thinking Skills that are logically valid, empirically valid, and to find out the profile of students' answers on heat and displacement material that is feasible to use. The sample in this study were students in class VII A and VII B with a total of 54 students. Sampling used data collection techniques by testing draft I product questions, then draft I questions were validated by material, construction, and language expert validation, then tested for the validity of the questions and looking at student answer profiles then the data were analyzed using quantitative data analysis techniques. The developed HOTS questions were logically valid in terms of material, construction and language aspects with very valid categories. The HOTS questions as a result of the development were empirically valid in terms of validity, reliability, difficulty index, discriminatory power, and the deceptive function of that review. The draft questions I totaled 20 questions after being empirically tested and analyzed for validity, reliability, index of difficulty, discriminatory power. , and the deceptive function, there are 8 questions that fulfill the quality. If you look at the profile of the student's answers in the question of cognitive level C4, it is obtained 100%. While the cognitive level of C5 questions obtained a percentage of 97%. And in terms of cognitive level C6, the percentage is 89%.   Keywords: Development of HOTS questions, Heat and Displacement.
E-LKPD BERBASIS CONTEXTUAL TEACHING AND LEARNING (CTL) UNTUK SISWA SMP PADA MATERI SISTEM EKSKRESI KULIT MANUSIA Yanti, Isya Vira; Yani, Ariefa Primair; Wardana, Rendy Wikrama; Sutarno, Sutarno; Uliyandari, Mellyta
DIKSAINS : Jurnal Ilmiah Pendidikan Sains Vol. 5 No. 2 (2024): Juni 2025
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/diksains.5.2.116-125

Abstract

ABSTRAK   Penelitian ini bertujuan untuk: 1) Mengetahui kelayakan E-LKPD berbasis Contextual Teaching and Learning (CTL) pada System Ekskresi kulit pada manusia untuk peserta didik SMP, 2) Mengetahui hasil respon peserta didik terhadap E-LKPD berbasis Contextual Teaching and Learning (CTL) peserta didik di SMPN 01 Kota Bengkulu. Metode yang digunakan dalam penelitian ini adalah Research and Development (R&D) dengan menggunakan model 4D (Define, Design, Develop, Disseminate). Namun penelitian ini hanya terbatas pada tahap Develop. Instrumen yang digunakan dalam penelitian ini adalah: 1) Lembar angket wawancara, 2) Lembar angket  validasi  ahli  materi  dan  ahli  media,  3)  Lembar  angket  respon  peserta  didik.  Hasil  penelitian ini menunjukkan bahwa hasil rata-rata uji validasi ahli materi 96% dengan kategori sangat valid. Sedangkan pada uji validasi media mendapatkan hasil rata-rata 95% dengan kategori sangat valid. Pada uji respon peserta didik mendapatkan hasil rata-rata 83,2% dengan kategori sangat baik. Berdasarkan hasil uji validasi dapat disimpulkan bahwa E-LKPD yang dikembangkan layak untuk diujicobakan. Berdasarkan hasil uji respon peserta didik mendapatkan kategori sangat baik hal ini dapat diartikan bahwa sebagian peserta didik memberikan respon sangat baik terhadap E-LKPD.   Kata kunci: E-lkpd, contextual teaching and learning, system ekskresi kulit manusia   ABSTRACT   This study aims to: 1) Determine the feasibility of E-LKPD based on Contextual Teaching and Learning (CTL) in the Human Skin Excretory System for junior high school students, 2) Know the results of student responses to E-LKPD based on Contextual Teaching and Learning (CTL) students at SMPN 01 Bengkulu City. The method used in this study is Research and Development (R&D) using a 4D model (Define, Design, Develop, Disseminate). However, this research is only limited to the Development stage. The instruments used in this study are: 1) Interview questionnaire sheet, 2) Material expert and media expert validation questionnaire sheet, 3) Student response questionnaire sheet.  The results of this study showed that the average result of the material expert validation test was 96% with a very valid category. Meanwhile, the media validation test obtained an average result of 95% with a very valid category. In the response test, students got an average result of 83.2% in the very good category. Based on the results of the validation test, it can be concluded that the E-LKPD developed is feasible to be tested. Based on the results of the student response test getting a very good category, this can be interpreted that some students give a very good response to E-LKPD.   Keywords: E-lkpd, contextual teaching and learning, human skin excretory system
Penggunaan Ekoenzim pada Tingkat Pertumbuhan Bayam Cabut (Amaranthus viridis) Eltiya, Yewi; Nirwana, Nirwana; Parlindungan, Deni; Uliyandari, Mellyta; Sutarno, M.
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.v11i2.8664

Abstract

Spinach is one of the most common types of green plants in Indonesia. This one plant is a type of vegetable that is easily processed for everyday food, from soup, pecel, gado-gado (Indonesian food), also chips. Amaranthus viridis also known as spinach pull out. In this study, observed the growth of spinach plants with ecoenzyme treatment. The treatment groups were: A (1.5% ecoenzyme), B (3% ecoenzyme), C (4.5% ecoenzyme), D (6% ecoenzyme), E (control/without treatment), F (NPK/ chemical fertilizer). Parameters observed were height, stem diameter, number of leaves, leaf diameter, wet weight and color. This type of research is experimental research and ANOVA data analysis techniques. The duration of the study was 27 days with 9 scheduled observations. Measurements were made in the afternoon, with reference to the observation parameters of stem height, leaf diameter, number of leaves, leaf diameter, leaf color and wet weight. The results of the observations showed that the ecoenzyme treatment was no better than the control and the NPK fertilizers showed that the height, stem diameter, number of leaves, leaf diameter, wet weight and color tended to be smaller. The conclusion of giving ecoenzymes at doses of 1.5%, 3%, 4.5% and 6% does not accelerate and tends to inhibit the growth of spinach (Amaranthus viridis).
Pengaruh Penambahan Nutrient (NPK dan Pupuk Urea) terhadap Bioethanol Hasil Fermentasi Biji Alpukat (Persea americana Mill.) Putri, Zakyya Septiana; Ruyani, Aceng; Uliyandari, Mellyta; Wardana, Rendy Wikrama; Sukarso, A. A.
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11283

Abstract

Bioethanol is an energy source obtained through fermentation. In bioethanol production, Persea americana seeds are used as a fermentation medium because they contain lots of carbohydrates. This research aims to determine the effect of additional nutrients (NPK and urea fertilizer) required by Saccharomyces cerevisiae by varying the nutritional variables in the form of NPK and urea fertilizer. The process of making bioethanol goes through stages: making Persea americana seed flour, hydrolysis process using 6% HCl, then fermentation process, and distillation process. This research was carried out with the addition of Nutrients in the form of NPK and Urea Fertilizer with 5 treatments, namely: A) 100% yeast (no addition of Nutrients); B) 100% NPK (4 g); C) 100% Urea Fertilizer (4 g); D) 50% NPK and 50% Urea Fertilizer (4 g NPK and 4 g Urea Fertilizer); and E) 75% NPK and 25% Urea Fertilizer (3 g NPK and 1 g Urea Fertilizer), and varying the length of fermentation time to 13, 19, and 25 days. Success parameters are assessed through the bioethanol yield produced by each treatment. The research results showed that the highest bioethanol (29.7 ± 0.47%) was composition E (NPK 75% and Urea Fertilizer 25%) with a fermentation time of 25 days.
Pelatihan Penggunaan Media Pembelajaran LBA (Laboratory) Berbasis Virtual Mentor Bagi Guru Dan Siswa di SMP Idhata Kota Bengkulu Uliyandari, Mellyta; Sutarno, -; Nirwana, -
ABDIMASKU : JURNAL PENGABDIAN MASYARAKAT Vol 6, No 2 (2023): Mei 2023
Publisher : LPPM UNIVERSITAS DIAN NUSWANTORO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/ja.v6i2.1007

Abstract

Pengabdian ini dilakukan dengan tujuan untuk melatih siswa dan guru di SMP dan SMA idhata untuk menggunakan media pembelajaran LBA (laboratory) berbasis learning by asking berbantuan virtual mentor. Sasaran kegiatan dalam pengabdian ini adalah guru dan siswa di SMP dan SMA Idhata Kota Bengkulu. Tahapan yang dilakukan pada pengabdian ini terdiri dari tiga tahapan, yaitu tahap Pembagian aplikasi, praktek terbimbing, serta moinitoring dan evaluasi. Pada tahap pembagaian aplikasi, peserta dibagikan aplikasi LBA dengan menggunakan QR code. Pada tahap praktek terbimbing, peserta mempraktekkan langsung bagaimana cara menggunakan media pembelajaran LBA (laboratory) berbasis learning by asking berbantuan virtual mentor. Pada tahap ini juga tim pengabdi memberikan bimbingan bagi peserta yang mengalami kendala. Kemudian tahap monitoring dan evaluasi, monitoring dilakukan dengan melihat setiap proses dalam penggunaan media sedangkan evaluasi dilakukan dengan melihat keberhasilan peserta dari praktek terbimbing yang telah dikerjakan oleh peserta. Hasil dari pengabdian ini adalah guru dan siswa SMP Idhata dapat menggunakan media pembelajaran LBA dan menggunakanya sebagai media pembelajaran di sekolah guna menunjang proses pembelajaran dan meningkatkan minat belajar siswa.
Development of Electronic Student Worksheets (E-LKPD) Pendap Bengkulu Based on Discovery Learning as A Learning Media for Additive Material Nutriastuti, Putri; Uliyandari, Mellyta; Parlindungan, Deni; Mayub, Afrizal; Defianti, Aprina
Jurnal Paedagogy Vol. 11 No. 2 (2024): April
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jp.v11i2.11176

Abstract

This research aims to develop the electronic student worksheets (E-LKPD) Pendap Bengkulu based on Discovery Learning as a Learning Media for Additive Material in Science lesson content for class VIII SMP. This study used the 4D development model (Define, Design, Develop, and Disseminate), which was limited to the development stage with limited trials conducted at SMPN 03 Bengkulu City, with a sample of 33 students from class VIII.1. To collect data, several questionnaires were distributed to media experts, material experts, participants, and students. Data analysis was carried out using descriptive statistical analysis techniques using percentage analysis. The results of the research showed that the feasibility test of E-LKPD involving 3 material experts, 2 media experts, and 2 participants resulted in an 92.3% percentage of validation test results, and it can be said that E-LKPD Pendap Bengkulu, which was developed as a learning medium for additive material for junior high school students, was very feasible to use. Analysis of student readability of E-LKPD Pendap Bengkulu as a learning medium for additive material for junior high school students resulted in a percentage of 89.8% readability response, indicating that E-LKPD is very well applied to junior high school students in grade VIII.
UTILIZATION OF BANANA FROND BRIQUETTE CHARCOAL AS AN ALTERNATIVE TO ENVIRONMENTALLY FRIENDLY TECHNOLOGY Efriyani, Veni Efriyani; Wardana, Rendy Wikrama; Uliyandari, Mellyta; Johan, Henny; Saputra, Hendri
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 16, No 2 (2024): APRIL
Publisher : Universitas Islam Negeri Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v16i2.26743

Abstract

The purpose of this study is the use of banana frond briquette charcoal as an alternative to environmentally friendly technology. This type of research is an experiment. Experimental data collection techniques, documentation, and literature studies. The data analysis method in this study uses a quantitative approach. Banana frond briquettes are divided into 3 groups: A (81% banana frond charcoal: 19% adhesive), B (71% banana frond charcoal: 29% adhesive), and C (91% banana frond charcoal: 9% adhesive). The results of the banana frond briquette test on the C sample of 91% charcoal briquettes with 9% adhesive showed the best results with a calorific value of 4571 kcal/kg. The study concluded that the best calorific value in sample C with a charcoal composition of banana fronds was 91%; 9% adhesive was 4571 cal/kg.
Studi Ekologi Makroinvertebrata di Area Kolam Konservasi Ex-situ Kura-Kura Siebenrockiella crassicollis di Universitas Bengkulu Hasbi; Karyadi, Bhakti; Parlindungan, Deni; Uliyandari, Mellyta; Defianti, Aprina
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 1 (2025): February 2025
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v10i1.9730

Abstract

Makroinvertebrata merupakan organisme tidak bertulang belakang yang memiliki ukuran kasat mata, memiliki habitat di darat, dalam  tanah, perairan meliputi air laut dan tawar. Kelompok makroinvertebrata di perairan bisa dijadikan bioindikator suatu perairan. Makroinvertebrata di perairan air tawar contohnya kelompok keong air tawar, serangga air, udang dan Clitellata seperti lintah. Penelitian dilakukan pada bulan Oktober 2023 sampai Januari 2024 menggunakan teknik purposive sampling. Pengambilan sampel menggunakan leaf litter bags, jaring seser, dan mengambil sedimen dasar perairan menggunakan ember. Pengukuran parameter lingkungan dilakukan meliputi pengukuran intensitas cahaya, suhu air, tingkat keasaman (pH), oksigen terlarut (DO), kedalaman lumpur, dan kedalaman air. Analisis data menggunakan indeks Shannon-Wiener, indeks Eveness dan indeks Simpson. Hasil identifikasi makroinvertebrata menunjukkan terdapat 16 spesies terdiri atas 13 famili dan 4 kelas. Indeks keanekaragaman makroinvertebrata di area kolam konservasi ex-situ kura-kura Siebenrockiella crassicollis Universitas Bengkulu secara umum tekanan ekologis berada pada kondisi tekanan rendah hingga sedang, dapat dilihat pada nilai H’ berkisar antara 0,981 sampai 1,577, indeks keseragaman berkisar antara 0,354 sampai 0,569 dan indeks dominansi berkisar antara 0,342 sampai 0,506. Kelimpahan, keanekaragaman, keseragaman dan dominansi makroinvertebrata dipengaruhi oleh parameter fisika kimia dan kondisi lingkungan. 
PERBANDINGAN PENERAPAN MOOCs DAN WHATSAPP MENGGUNAKAN MODEL PROJECT-BASED LEARNING PADA MATA KULIAH KIMIA ORGANIK 1 TERHADAP HASIL BELAJAR MAHASISWA Dewi Handayani; Elvinawati; Uliyandari, Mellyta
ALOTROP Vol. 9 No. 2 (2025): Jurnal Penelitian Pendidikan dan Ilmu Kimia
Publisher : University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/alo.v9i2.45895

Abstract

This study aims to improve the quality of learning in Organic Chemistry 1. The specific objective of this study is to determine the difference in learning outcomes between students who use MOOCs (Massive Open Online Courses) and WhatsApp using the Project-Based Learning model. The type of research used is quasi-experimental research with a sample of third-semester students from Class A and Class B. This study uses two experimental classes, namely Class A using MOOCs and Class B using the WhatsApp application. The data analysis used is the average score, homogeneity test, normality test, and t-test. Based on the research results, there is a difference in learning outcomes between MOOCs and WhatsApp Group (WAG) applications with the same learning model treatment, namely the PjBL model, with a sig value (2-tailed) of 0.000, indicating p < 0.05. It can be concluded that there is a significant difference in the learning outcomes of the two experimental classes. Student responses to MOOCs and WAG applications are very good. Students stated that MOOCs and WAG applications are very practical, interesting, and easily accessible, especially for access to learning materials. Keywords: MOOCs, WhatsApp, Learning Outcomes, Project-based learning
PENGARUH PENERAPAN PEMBELAJARAN IPA TERPADU TIPE SHARED PADA TEMA PEDULI LINGKUNGAN TERHADAP PENGUASAAN KONSEP SISWA SMPN 9 KOTA BENGKULU Sembiring, Evata Disolva br; Sutarno, Sutarno; Uliyandari, Mellyta; Taufik, Annisa Novianti; Karyadi, Bhakti
DIKSAINS : Jurnal Ilmiah Pendidikan Sains Vol. 6 No. 1: Desember 2025
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/diksains.6.1.69-78

Abstract

ABSTRAK   Penelitian ini bertujuan untuk mengetahui pengaruh penerapan pembelajaran IPA terpadu tipe shared terhadap penguasaan konsep siswa, besar pengaruh penerapan pembelajaran IPA terpadu tipe shared terhadap penguasaan konsep siswa dan tanggapan siswa dalam penerapan pembelajaran IPA terpadu tipe shared terhadap penguasaan konsep siswa. Penelitian ini menggunakan satu kelas eksperimen dengan sampel penelitian adalah siswa kelas VII A yang berjumlah 31 siswa. Metode dalam penelitian ini adalah pre-experimental dengan desain one-grup pretest-posttest design. Berdasarkan hasil analisis data penguasaan konsep menggunakan uji t paired, diperoleh nilai signifikansi menunjukkan 0,005<0,05 sehingga Ho ditolak dan Ha diterima. Hasil perhitungan diperoleh besarnya effect size Cohen’s d sebesar 0,37 menunjukkan bahwa terjadi pengaruh yang sedang. Serta analisis angket tanggapan siswa diperoleh semua indikator berkategori baik dengan perolehan skor rata-rata sebesar 83,3. Sehingga dapat ditarik kesimpulan bahwa penerapan pembelajaran IPA terpadu tipe shared memberikan pengaruh yang signifikan terhadap penguasaan konsep siswa kelas VIIA SMPN 9 Kota Bengkulu.     Kata kunci : Pembelajaran IPA, Tipe Shared, Peduli Lingkungan, Penguasaan Konsep   ABSTRACT   This study aims to determine  the effect of the application of shared type integrated science learning on students' concept mastery, the effect of the application of shared type integrated science learning on students' concept mastery and students' responses in the application of shared type integrated science learning on students' concept mastery. This study uses one experimental class with the research sample is VII A class students totaling 31 students. The method in this research is pre-experimental with one-group pretest-posttest design. Based on the results of concept mastery data analysis using paired t test, the significance value shows 0.005 <0.05 so Ho is rejected and Ha is accepted. The calculation results obtained the magnitude of the effect size Cohen's d of 0.37 indicates that there is a moderate influence. As well as the analysis of student response questionnaires obtained all indicators are categorized as good with an average score of 83.3. So it can be concluded that the application of shared-type integrated science learning has a significant effect on the mastery of the concept of students in class VIIA SMPN 9 Bengkulu City.   Keywords : Science Learning, Shared Type, Environmental Care, Concept Mastery
Co-Authors - Sutarno ACENG RUYANI Aprilia, Dena Ariefa Primair Yani BHAKTI KARYADI Binar Kurnia Prahani Candrawati, Emilia Cantika, Pricilia Debi Defianti, Aprina Dewi Handayani Efriyani, Veni Efriyani Ekaputri, Rendi Zulni Eko Risdianto Eltiya, Yewi Elvinawati Endang Widi Winarni Fira Pratiwi Fitriana, Febi Fitriani, Pera Harofah, Ayu Idhil Hasbi Hendri Saputra Henny Johan Indra Sakti Irwan Koto, Irwan Kasim, Hafia Ameliyah Latipah, Nurlia Lumbangaol, Asian Mauren, Dhyna Sefia Mayub, Afrizal Nirwana, - Nirwana, Nirwana Nursaadah, Euis Nutriastuti, Putri Pancarani, Dwi Ayu Parlindungan, Deni Putri, Zakyya Septiana Raden Mohamad Herdian Bhakti Ronggo Waskito, Jefri Saprudin, Saprudin Saragih, Indah Soraya Sembiring, Evata Disolva br Setiani, Winda Setianingsih, Ratna Sukarso, A. A. Sutarno Sutarno Sutarno Sutarno, M Sutarno, M. Taufik, Annisa Novianti Thoha Firdaus Triana, Yorika Wardana, Rendy Wikrama Yanti, Isya Vira