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Lantanida Journal
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 23563133     EISSN : 25489062     DOI : -
Core Subject : Science, Education, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Education
Lantanida Journal is an, scientific journal open-access containing results research, literature reviews and recent news on science and technology in the areas of educational learning and learning development. This journal is formed from the initiative of Leaders Chemistry departmen, lecturers, staff, alumni and students of Chemistry Education Department UIN Ar-Raniry Banda Aceh.
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Articles 8 Documents
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Search results for , issue "Vol 8, No 2 (2020)" : 8 Documents clear
KARAKTERISASI SIFAT KEMAGNETAN PASIR BESI PANTAI PUNTARU KABUPATEN ALOR-NTT Martasiana Karbeka; Faryda Veronica Lamma Koly; Nini Mau Tellu
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.7867

Abstract

Iron sand is a source of natural magnetic material which is quite abundant. Iron sand can be useful as a magnetic source material which has the potential as a raw material for using magnetic materials. Iron sand contains non magnetic minerals which can reduce its magnetic properties. Therefore, iron sand sample preparation was carried out by washing NaOH 0,4 M and sand sample size variations. The purpose of this study was to determine the effect of washing and the size of iron sand on the magnetic properties in terms of the increase in magnetic elements. The results of research with XRF (X-Ray Fluoresence) show that iron sand with a size of 120 mesh has a magnetic content of Fe (78.07%) higher than iron sand with a size of 80 mesh with Fe content (34.63%). XRD (X-Ray Diffraction) analysis shows that washing iron sand with a size of 80 mesh gives a quarts phase (SiO2) at 2θ = 27.62° and iron sand washing with a size of 120 mesh gives the main peak magnetite phase (Fe3O4) at 2θ = 30.69° with a crystallinity of 15%. VSM (Vibrating Sample Magnetometer) analysis depicted on the hysteresis curve shows that the smaller the particle size of iron sand, the higher the magnetic properties. There are still minor oxides in iron sand as  oxide minerals.
IMPLEMENTASI PEMBUATAN BAHAN AJAR POCKET BOOK SEBAGAI UPAYA PENINGKATAN PEMAHAMAN KONSEP DAN KREATIVITAS MAHASISWA Coryna Oktaviani; Mellyzar Mellyzar
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.8038

Abstract

This study aims to explain how creativity and conceptual understanding and their effects on chemistry education students through the assignment of a pocket book project. The method used was an experiment with a one shot case study design. This implementation was carried out for 20 even semester students of the 2018 Malikussaleh University Chemistry Education study program. The instruments used in this study were the student's creativity assessment sheet (conducted by the observer) and the conceptual understanding test questions (the form of an individual essay at the end of the lesson). The data obtained were then analyzed using a percentage formula and interpreted into a value interval. Based on the results obtained, the average student creativity was 81,33 categorized as good and understanding of the concept was 86. Creativity had an effect on students' conceptual understanding, because through the pocket books provided students could explore all their potential to complete the task. So that it can improve understanding of the concept of each student. For advanced researchers who want to do the same, to further expand the aspects assessed for the assessment of student creativity.
PURIFICATION OF DUG WELL WATER FROM Escherichia coli BY USING CARBON OF RICE HUSK Hagar Karlani; Fahrul Fahrul; Maria M Meiwati; Herianus Manimoy; Loth Botahala
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.7362

Abstract

Clean water is one of the human's main needs. Dug well water in Tombang, used for various needs. However, the dug well water has been polluted by E. Coli bacteria which is suspected to be due to the disposal of rubbish and waste carelessly and also the distance of latrines and dug wells that are very close together. Therefore it is important to do water purification using agricultural waste that is not utilized. The analysis showed that the purification of dug well water in Tombang with rice husk charcoal had reduced E. Coli bacteria by 55.6% with MPN pattern 1-0-3 so that the MPN value was 11/100 mL of sample.
ANALISIS EVALUASI KURIKULUM 2013 REVISI 2018 TERHADAP PEMBELAJARAN KIMIA SMA Noviza Rizkia; Sabarni Sabarni; Azhar Azhar; Elita Elita; Rahmah Diana Fitri
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.8119

Abstract

The purpose of this study was to see and find out the implementation of the 2013 revised 2018 curriculum learning in high school chemistry learning. This study uses a library research method. Library research is an activity to gather information relevant to the topic or problem that is the object of research. The results show that in the 2013 revised 2018 curriculum planning program in improving the learning process, teachers must design lesson plans in accordance with the syllabus so that learning can run optimally. Learning evaluation is carried out to be able to detect the development of student learning achievement every day through identification of the competencies that have been achieved by students. The implementation of the 2013 revised 2018 curriculum learning is said to increase when in the 2013 curriculum learning process involves the linkage of Basic Competencies with the latest issues, conducive and comfortable learning, school involvement in providing motivation and the participation of parents of guardians in helping student discipline.
PEMBELAJARAN PROBLEM BASE LEARNING BERBASIS ANIMASI UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS PESERTA DIDIK Mukhlis Mukhlis; Arusman Arusman
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.7957

Abstract

This animation-based PBL model research was conducted at MAN 4 Pidie Jaya, the research subjects were 34 class XI students. The research objective was to determine the increase in CBC and student response. This type of research is a quasi-experimental design with a pretest and posttest one group design, involving 1 (one) study group that is given an animation-based PBL learning model. Processing of research results using the T-test and N-Gain test. The results showed the mean scores for the initial and final CBC tests were 48.50 and 73.25. The t-test value of the statistical test t = 7.02 and tt = 1.70, so that t> tt, learning animation-based PBL models on Basic Law and Chemical Computing has an effect on students' CBC skills. The average value of the Gain and N-Gain test for the CBC ability of students was 24.75 and 0.48 or 48% were in the "medium" category. It can be concluded that learning PBL model based on animation on Basic Law Material and Chemical Calculations can improve students' CBC skills. The response of students obtained an average value of strongly agree and agree of 18.71% and 70%. The results of the students' responses showed that students liked learning through an animation-based PBL model.
ANALISIS SIFAT KIMIA TEPUNG DAN PATI SORGUM DARI VARIETAS BIOGUMA DAN LOKAL DI PROVINSI NUSA TENGGARA TIMUR, INDONESIA Adnan Nur Avif; Aptika Oktaviana TD
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.8120

Abstract

Sorghum is a cereal that thrives in arid areas. In Indonesia, sorghum has been cultivated in several regions, but the quantity is still limited. The objective of this study was to determine the chemical properties of Bioguma sorghum developed by the Ministry of Agriculture where is grown in Nusa Tenggara Timur compared to local varieties of red sorghum. Sorghum flour and starch were analyzed for crude protein, water, ash, fat, and crudes fiber, starch and its components, and mineral profiles (calcium, iron, and zinc). Statistical analysis showed significant differences in nutrient composition in the flour and starch of Bioguma sorghum and red sorghum. The amylose content in flour affects the swelling and solubility of sorghum.
PENGEMBANGAN MEDIA VIRTUAL BOOK PADA MATERI BENTUK MOLEKUL Haris Munandar; Sabarni Sabarni; Cut Utari Lydia Fitri
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.7993

Abstract

Research on the development of virtual books on geometri molecular form materials at MAS Ulumuddin Lhokseumawe, was motivated by the limited use of instructional media in learning process. The learning media used are reading books and LKPD, chemistry learning is also often considered difficult because generally the geometry molecular material is abstract and requires high imagination to understand it. Virtual books are media with animation in the form of software that can be accessed or opened via computers and laptops. The media is equipped with covers, instructions user, concept maps, materials, 3D molecular shapes and quizzes. The purpose of this study was to determine the development of a virtual book on molecular form materials using the development research method using the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). Data collection techniques are validation sheets and response questionnaires. Based on the results of validation I 83.2%, validator II 92.8% and validator III 89.6%, the average score of expert validators from the expert validation sheet is 88.53% with very good criteria of virtual book. Based on the data from the implementetion results involving 16 students as respondents, an average percentage of 92.18% was obtained, so it can be concluded that the students responses to the virtual book media were very interesting.
DESAIN UJI COBA E-MAGAZINE DENGAN PENDEKATAN SOCIAL EMOTIONAL LEARNING (SEL) MENGGUNAKAN SOFTWARE KVISOFT FLIPBOOK PADA MATERI ASAM BASA Abdillah Nur Fitriana; Yenni Kurniawati
Lantanida Journal Vol 8, No 2 (2020)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v8i2.8008

Abstract

This research was instigated by the development of 4.0 industrial revolution era and the need of a teaching material to increase student character based on 2013 Curriculum.  Therefore, it was designed a design and test of E-Magazine teaching material with Social Emotional Learning (SEL)  approach using Kvisof Flipbook software on Acid Base lesson.  It was Research and Development (R&D) using Borg & Gall procedure design.  It was conducted at Private Islamic Integrated Senior High School Bangkinang. The subjects of this research were the experts of media design and learning material, practicality by Chemistry subject teachers and students.  The object of this research was E-Magazine teaching material with SEL approach on Acid Base lesson.  The data taken in this research were in the form of validity and response questionnaire data.  The collected data were analyzed by using Qualitative and Quantitative Descriptive analyses.  The developed E-Magazine was tested very valid with 90.52% percentage by the experts of media and material, practicality assessment was 81.45% by Chemistry subject teachers and it got very good response with 90% percentage from the students.  Based on the result, it could be concluded that E-Magazine teaching material with SEL approach using Kvisof Flipbook software on Acid Base lesson was valid and good.

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