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INDONESIA
SAINTIFIKA
Published by Universitas Jember
ISSN : 14415433     EISSN : 25052768     DOI : https://doi.org/10.25037/saintifika.v24i2.130
Core Subject : Health, Science, Education, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Health Professions Mathematics Medicine & Pharmacology Physics Social Sciences
SAINTIFIKA: Jurnal Ilmu Pendidikan MIPA dan MIPA publishes a scientific paper on the results of the study and review of the literature in the sphere of natural science education in primary education, secondary education and higher education. Additionally, this journal also covers the issues on environmental education. SAINTIFIKA: Jurnal Ilmu Pendidikan MIPA dan MIPA is issued two times annually, i.e. Juny and December. The number of articles is 7 articles per year. Every article that is sent to the Editor, will be reviewed and scrutinized by the editorial board for eligibility or publication without diminishing the substance of the article.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 100 Documents
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PENGARUH REBUSAN DAUN SALAM (Syzygium polyanthum Wight) TERHADAP PENURUNAN KADAR ASAM URAT DALAM DARAH MENCIT (Mus musculus L.) JANTAN Strain Balb-C Abil Fida Siskayanti; Joko Waluyo; Slamet Hariyadi
saintifika Vol 19 No 1 (2017)
Publisher : FKIP Universitas Jember

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Abstract

Uric acid is the final substance of purine breakdown which is assisted by guanase and xanthine oxidase enzymes. Excess blood uric acid levels are called hyperurosemia. Treatment is usually using synthetic drugs such as allopurinol which has side effects for the body, so it is necessary to take herbal remedies such as Syzygium polyanthum Wight which contains active ingredients such as flavonoids as an inhibitor of the xanthine oxidase enzyme. This study aims to determine the effect of giving Salam Leaf Decoction to the Decrease in Blood Uric Acid Levels. This study uses a completely randomized design study (CRD) with 5 repetitions. This study uses One Way Anova data analysis and continued with Duncan's Test. From the results of the study, at a dose of P1 (0.2 ml / 20 g WB), P2 (0.4 ml / 20 g WB) and P3 (0.8 ml / 20 g BB), a percentage of uric acid levels decreased 40.45% in group P1; 48.19% in the P2 group; 53.53% in the P3 group; 60.35% in the K + group; and -30.73% in the K-group. Of the 5 doses, the most effective dose to reduce uric acid levels in the blood is P2 dose (0.4 ml / 20g WB).
PENINGKATAN HASIL BELAJAR SISWA MELALUI PENERAPAN METODE PEMBELAJARAN KOOPERATIF TIPE STAD (STUDENT TEAMS ACHIEVEMENT DIVISIONS) Ratna Indayani
saintifika Vol 23 No 1 (2021)
Publisher : FKIP Universitas Jember

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Abstract

Science learning in class VII SMP Negeri 4 Jember in the odd semester of the 2019/2020 school year is not optimal because it still uses conventional learning. In order for learning to be more effective and to increase the completeness of learning outcomes, it is necessary to use cooperative learning methods. The research objective was to describe the improvement of student learning outcomes in the material properties of the material through the application of the STAD (Student Teams Achievement Division) type of cooperative learning method. This research is a type of classroom action research (PTK) which includes several cycles with the stages: 1) planning, 2) action, 3) observation, and 4) reflection. The research data was taken through tests in the form of description questions and non-tests in the form of observations and interviews. Furthermore, the data were analyzed descriptively, quantitatively and qualitatively. Based on the results of the research conducted, it was found that there was an increase in student learning outcomes, namely 53.1% in pre-cycle, then 68.8% in cycle I, and increased again to 93.8% in cycle II. Thus the STAD (Student Teams Achievement Division) type cooperative learning method can improve student learning outcomes.
IDENTIFIKASI GEOMETRI BIDANG PADA POLA MOTIF KAIN TENUN SOLOK BANYUWANGI Seli Wahyutini Khoiriyah; Sunardi Sunardi; Erfan Yudianto
saintifika Vol 22 No 2 (2020)
Publisher : FKIP Universitas Jember

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Abstract

A culture is born from the local community so as to produce works that become the characteristic of the culture. This culture is rooted and develops over time. One result of cultural work is Banyuwangi solok weaving. Education appreciates local culture in order to participate in preserving through the teaching and learning process. Weaving Solok Banyuwangi can be included as a medium for student learning in schools. Mathematics is one branch of science that studies symbols with logical reasoning. So there are estimates of the mathematical elements found in the Banyuwangi solok weaving motif. Mathematical elements found in Banyuwangi solok weaving include points, lines, triangles, quadrilaterals, hexagon, folding symmetry, rotary symmetry, congruence and similarity.
KEKAYAAN JENIS TUMBUHAN LIANA DI KAWASAN TAMAN HUTAN RAYA RADEN SOERJO SUB WILAYAH MOJOKERTO Yulia Dwi Puspita; Pujiastuti Pujiastuti; Imam Mudakir
saintifika Vol 18 No 2 (2016)
Publisher : FKIP Universitas Jember

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Abstract

Raden Soerjo Gran Forest Park is a conservation area or called a conservation forest that used to collect plants and animals. The plants and the animals in there used as a research material by experts and students. This research was conducted in Raden Soerjo Gran Forest Park Sub Mojokerto Region, precisely at along the road to the Watu Ondo Waterfall. One of the species plants that exist in there is Liana. Liana is a species plant that requires other higher plants to get sunlight to growth. Liana is an important and distinctive component of tropical forests. The purpose of this research is to know the diversity of liana species in Raden Soerjo Gran Forest Park. Data retrieval is done by using explored method. The results of this research have been found 24 species of plants belong to 15 families, which is Piperaceae, Rubiaceae, Rosaceae, Moraceae, Smilacaceae, Arecaceae, Vitaceae, Fabaceae, Araceae, Apocynaceae, Menispermaceae, Elaeagnaceae, Urticaceae, Convolvulaceae, and Commelinaceae.
Toksisitas Ekstrak Terpurifikasi Daun Buas-Buas (Premna serratifolia L.) terhadap Mortalitas Larva Nyamuk Culex sp. Ulmiyatul Alifiah Zahroh; Dwi Wahyuni; Mochammad Iqbal
saintifika Vol 24 No 1 (2022)
Publisher : FKIP Universitas Jember

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Abstract

Culex sp. is a vector of filariasis. Vector control mostly uses chemical insecticides which have a negative impact. Buas-buas plants (Premna serratifolia L.) are one of the plants that have the potential as an alternative to the use of chemical insecticides that have been widely used (as botanical insecticides). Buas-buas leaves (Premna serratifolia L.) contain alkaloids, flavonoids, saponins, and tannins. This study aimed to test the toxicity of the purified extract of buas-buas leaf (Lethal concentration 50) on the mortality of Culex sp. larvae with an exposure time of 24 hours. Serial concentrations of purified extract used were 850, 1350, 1850, 2350, and 2850 ppm with four repetitions. Each treatment used 20 Culex sp. late three to early four instars. Toxicity testing of Culex sp. gives an LC50 result of 1799.77 ppm..
LEVEL LITERASI MATEMATIKA SISWA DALAM MENYELESAIKAN SOAL PISA KONTEN CHANGE AND RELATIONSHIP DITINJAU DARI GAYA KOGNITIF FIELD DEPENDENT DAN FIELD INDEPENDENT Devi Anggraeni Pratiwi; Dinawati Trapsilasiwi; Ervin Oktavianingtyas
saintifika Vol 22 No 1 (2020)
Publisher : FKIP Universitas Jember

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Abstract

Berdasarkan hasil PISA, rata-rata skor literasi matematika siswa Indonesia masih rendah yaitu 386 dari 500 skor rata-rata keseluruhan. Penelitian ini merupakan penelitian deskriptif kualitatif yang bertujuan untuk mendeskripsikan literasi matematika siswa field dependent (FD) dan siswa field independent (FI) dalam menyelesaikan soal PISA konten Change And Relationship ditinjau dari ketercapaian level literasi matematikanya. Soal PISA konten Change and Relationship berkaitan dengan materi kurikulum yaitu fungsi dan aljabar. Subjek dalam penelitian ini adalah siswa kelas X MIPA 6 SMA Negeri 1 Jember dengan 29 siswa yang terdiri dari 6 siswa field dependent (FD) dan 23 siswa field independent (FI). Hasil penelitian menunjukkan bahwa level literasi matematika siswa field dependent berada pada level 2 (66,67% atau sebanyak 4 siswa) dan level 5 (33,33% atau sebanyak 2 siswa) serta level literasi matematika siswa field independent berada pada level 2 (13% atau sebanyak 3 siswa), level 5 (69,56% atau sebanyak 16 siswa) dan level 6 (17,4% atau sebanyak 4 siswa).
Penerapan Strategi Pembelajaran Kooperatif Reciprocal Teaching (RT) Untuk Meningkatkan Kemampuan Metakognitif Mahasiswa IKIP Budi Utomo Malang Dwi Candra Setiawan
saintifika Vol 17 No 2 (2015)
Publisher : FKIP Universitas Jember

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Abstract

Proses pembelajaran pada saat ini menuntut guru untuk lebih kreatif dan inovatif. Selain itu pendidik juga harus peka terhadap setiap permasalahan yang muncul dalam proses pembelajaran, sehingga permasalahan tersebut dapat segera diatasi. Pada saat ini muncul berbagai permasalahan dalam proses pembelajaran, salah satunya adalah pelaksanaan proses pembelajaran pendidik yang masih pada hasil belajar kognitif saja, sehingga kemampuan siswa yang lain seperti metakognitif kurang diberdayakan. Permasalahan tersebut perlu diatasi, salah satunya dengan menerapkan strategi pembelajaran Reciprocal Teaching (RT). Tujuan penelitian ini ialah menjelaskan peningkatan proses pembelajaran dengan memperhatikan kemampuan metakognitif mahasiswa setelah diterapkan startegi pembelajaran Reciprocal teaching. Dalam penelitian ini digunakan dua siklus dengan masing-masing siklus mempunyai 4 tahap. Tahap-tahap ini berupa siklus spiral yang meliputi kegiatan 1) perencanaan, 2) pemberian tindakan, 3) observasi, dan 4) refleksi. Sampel penelitian yang digunakan adalah mahasiswa angkatan 2014 Kelas C sebanyak 45 orang. Hasil penelitian menunjukkan strategi pembelajaran Reciprocal Teaching (RT) dapat meningkatkan kemampuan metakognitif mahasiswa IKIP Budi Utomo Malang
PENGEMBANGAN LKS BERBASIS PROBLEM BASED LEARNING (PBL) PADA MATERI PRISMA UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KREATIF SISWA Nur Izzatun Nisa Liliyan; Toto' Bara Setiawan; Lela Nur Safrida; Erfan Yudianto; Reza Ambarwati; Dhanar Dwi Hary Jatmiko
saintifika Vol 23 No 2 (2021)
Publisher : FKIP Universitas Jember

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Abstract

Student worksheet based on Problem Based Learning (PBL) is a learning media that presents questions in the form of contextual problems so as to stimulate students' thinking skills. This type of research is development research using the Thiagarajan model or the Four-D Model which aims to describe the process and results of developing PBL-based student worksheets for class VIII students on Prism material that is valid, practical, and effective in training students' creative thinking skills. The method used in this research is the questionnaire method to determine the validity and practicality of the student worksheets and the test method to determine the effectiveness. The results of this study are the achievement of increasing students' creative thinking skills with very good interpretations. The student worksheets based on PBL model on prism material produced were declared valid, practical, and effective. This student worksheet could be used to improve students' creative thinking skills.
PENERAPAN PEMBELAJARAN DENGAN STRATEGI REACT UNTUK MENINGKATKAN AKTIVITAS BELAJAR MATEMATIKA Imam Wahyudi
saintifika Vol 20 No 1 (2018)
Publisher : FKIP Universitas Jember

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Abstract

This research question is How do steps with REACT strategy to improve the students learning activity?. The learning impleentation with REACT strategy had threes steps which are:1) Opening, 2) Main, 3) Clossing. The result of this research showed that the students learning activities improved from cycle I to cycle II which is 18.62% from 67.00% in cycle one become 85.62% in cycle two. The other result of this research is the improved 15% which is from 75% in cycle I to 90% in cycle II. Based on the result of analysis known that using REACT strategy learning not only improve the students learning activities but also improve the student achievement. It is caused by the meaningful learning activity. So the students will well understand the concept of the learning material.
PENGEMBANGAN LKPD BERBASIS NATURE OF SCIENCE UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS Pipit Wulandari; Yeni Widiyawati; Dwi Septiana Sari
saintifika Vol 21 No 2 (2019)
Publisher : FKIP Universitas Jember

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Abstract

The science process skill is one of the science learning goals. The aims of this study were to develop NOS based worksheet in environmental pollution to enhance students’ science process skills. This study was research and development which adapted the 4D model (Define, Design, Develop, Disseminate). This research was conducted at Multazam Junior High School. 20 students of VII grade was used as a subject in this research. The data collecting by an expert appraisal, teacher and student response towards worksheet questionnaire. The quantitative-descriptive technique was used in this research. The analysis data results showed that developed worksheet very good in the category. Therefore, it can be concluded that this develop worksheet is feasible to use science learning.

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