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Lantanida Journal

lantanida
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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.

Arjuna Subject : -

Articles 8 Documents

Search results for , issue "Vol 7, No 1 (2019)" : 8 Documents clear

THE PROFILE OF INQUIRY MODEL ON STUDENT ACTIVITY AND LEARNING OUTCOMES ON COLLIGATIVE PROPERTIES Said ali akbar
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

Penelitian ini bertujuan untuk mengetahui profil aktivitas guru, aktivitas siswa, afektif siswa, psikomotor siswa, dan hasil belajar siswa. Metode penelitian ini menggunakan desain penelitian tindakan kelas dengan dua siklus. Setiap siklus terdiri dari tahap perencanaan, tindakan, observasi dan evaluasi, serta analisis dan refleksi. Pada aktivitas guru, perbedaan nilai terlihat pada kelas C dengan persentase 76,28% (sangat baik) di siklus pertama menjadi 92,55% (luar biasa) di siklus kedua. Peningkatan juga terjadi pada aspek afektif, kognitif, dan psikomotor siswa. Skor profil dari hasil belajar pada ketiga kelas mencapai skor ketuntasan pada siklus 2, meskipun pada siklus 1 kelas A telah mencapai ketuntasan dengan kelulusan mencapai 85,71%. Selanjutnya, model pembelajaran inkuiri terbimbing ini dapat meningkatkan afektif, kognitif, dan psikomotor siswa. Oleh sebab itu, hasil belajar siswa pada materi sifat koligatif larutan telah mencapai indikator keberhasilan.

PENGGUNAAN MODEL PEMECAHAN MASALAH UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR ANALISIS PESERTA DIDIK PADA MATERI GRAVITASI NEWTON Sabaruddin Sabaruddin
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

Mathematical analytics Important, analytical skills When students are able to understand analysis in physics learning, students will be able to answer questions with questions that are different from the examples given by the teacher. The aim of studying the increased thinking of participants in cognitive taxonomy analysis in Newton's law materials was approved using problem solving learning models. Hypothesis testing is done by comparing the average value of the ability of the initial test (pre-test) and the average ability of the final test (post-test) of students. The process of testing the hypothesis will test the normality and homogeneity test as a requirement to use parametric statistics, namely by using the t-test. Based on the results of the study obtained a value of tcount (8.25) and ttable value at dk = 42 with a 95% confidence level obtained at 2.02. This shows that tcount> t table. So can it be concluded that the expansion of students' thinking analysis ideas on cognitive taxonomy in the legal material used uses problem solving learning models.

KARAKTERISASI LIPASE TERMOSTABIL (ISOLAT AL96) BERDASARKAN PARAMETER TEMPERATUR DAN pH PADA INDUSTRI MAKANAN septiani septiani
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

This research aims to produce large amounts of lipase and have high activity so that it can be utilized in the food industry. Method of Research used a thermostable enzyme derived from compost AL96 microorganisms. Qualitative tests are carried out using Thermus media. Extracellular lipase enzyme expressed by AL96 culture at 700C for 17 hours was isolated as much as 1000 mL and the crude extract obtained was deposited by fractionation of ammonium sulfate. After obtaining a fraction of 0-30%; 30 -50% fraction; 50-70% fraction; and 7-90% fraction was then tested for lipase enzyme activity using spectrophotometric techniques and testing of protein content determined by the Bradford method. Results Of research obtaining partial purification using ammonium sulfate into crude enzyme extract from AL96 isolate with a fraction of 50-70% resulted in the highest specific activity of protein 0.018 U / mg. Further analysis of lipase in the 30-50% fraction has the optimum temperature at 65 0C and the fraction of 50-70% has the optimum temperature at 75 0C. Characterization of the optimum pH for 50-70% fraction and 30-50% fraction showed that both fractions had optimum pH 10.

MOTIVASI MAHASISWA DALAM PEMBELAJARAN KIMIA Amna Emda
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

Learning motivation was something that exists in an individual mind for doing something to achieve the goal. Motivation was needed to improve the cognitive abilities of each individual. In reality, there are still students at the Chemical Education Study Program who were less motivated to learn. This was characterized by active, discipline, task completion, the willingness of student to ask questions and solve problems in learning is still lacking. The aim of this study was to determine the level of motivation, influencing factors and efforts to increase student motivation in chemistry learning. The results showed that student's motivation in improving cognitive abilities on average was still low. The efforts were made by lecturers are to instil the values that can motivate the learning process, apply the better strategies and quality of teaching, approach individually or groups to improve the lecturer skills and apply the contextual based learning.

STRUKTUR ATOM BERDASARKAN ILMU KIMIA DAN PERSPEKTIF AL-QURAN Sabarni Sabarni
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

The atomic structure is one of the chemical metrics studied in high schools and universities. The concept of atomic structure in learning chemistry in schools and universities is usually not associated with religion, especially the Qur'an, so as if learning atomic structure is a separate science and has no connection with the Qur'an. To show that the Qur'an is a guideline for humanity, including examining the natural sciences including chemistry, the authors want to examine the concept of atomic structure based on chemistry and the perspective of the Qur'an which aims to determine the concept of the development of atomic models, particles basic and electron configurations based on chemistry and the Qur'anic perspective. The data collection technique used in this study is literature (Library Research), namely studying the Qur’an and studying reading books, journals, dictates, dictionaries, and scientific works. From this study shows that the Qur'an has been proven to explain the concept of atomic structure first and in the Qur'an there is the concept of atomic structure which is in line with the chemical concept proposed by chemists.

UPAYA MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI LARUTAN ASAM, BASA DAN GARAM MELALUI PENERAPAN STRATEGI PEMBELAJARAN RESOURSCE BASED LEARNING (RBL) PADA SISWA KELAS XI IPA 3 DI SMAN 22 BANDUNG Hasanah Hasanah
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

This research was conducted to improve student learning outcomes using the Resource Based Learning (RBL) strategy. The research method was class action research. The process of this research was carried out through 2 cycles. The researcher used worksheets and evaluation sheets to find out the increase in students' understanding in the upper, middle and lower groups. The subjects in this study were students of class XI IPA 3. The average value of students' abilities in the high group was obtained at 88 in the first cycle and 89 in the second cycle. The medium group average value was 79 in the first cycle and 85 in the second cycle. The low group average value 66 in the first cycle and 72 in the second cycle. Based on learning outcomes data obtained in the first and second cycle, proving that the learning outcomes of class XI IPA 3 students of SMAN 22 Bandung, through the Resource Based Learning (RBL) strategy was increased.

METODE PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNIG (PBL) Rahmadani Rahmadani
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

This study aims to determine whether the application of the Problem Based Learning (PBL) learning model can improve students' critical thinking skills and student learning outcomes in the environmental pollution material in class X SMA Negeri 1 Darussalam Aceh Besar. The research was conducted in class X of SMA 1 Darusalam Aceh Besar of 20 students. This research was carried out of 2 cycles. Student learning outcomes data are obtained by giving a test (evaluation) in the form of a description of environmental pollution material. The research results were analyzed by descriptive analysis techniques and percentages. The results of observations of students' critical thinking abilities which showed an increase from cycle I to cycle II which was 59.75% in cycle I to 75.25% in cycle II. And student learning outcomes also increased from 70% in the first cycle to 85% in the second cycle. Based on the results of the research, it can be concluded that the application of Problem Based Learning (PBL) learning models can improve critical thinking skills and student learning outcomes.

PENGEMBANGAN MODUL METODE PROYEK UNTUK MENGETAHUI KETERAMPILAN PROSES SAINS (KPS) SISWA PADA LARUTAN ELEKTROLIT DAN NON ELEKTROLIT irma zarwinda zarwinda
Lantanida Journal Vol 7, No 1 (2019)
Publisher : UIN AR-RANIRY

This study was conducted to develop a project method module on the subject of electrolyte and non – electrolyte solution, to assess the quality of the module based on the experts suggestions, to get the teacher and student responses to the project method module, and know the KPS based student learning styles and the role project method module. The study was conducted in three schools in Banda Aceh (SMA Negeri 11, SMA Negeri 10 Fajar Harapan, and SMA Negeri 5 Banda Aceh) by using quantitative research with research methods of and development (R and D). The design of this study is Pre-test and Post-test Group. Experts assessment for the quality of module shows a score of 4.21 (good), the results showed that 90.67% teachers and 80.68% students responded positively to the module. Hypothesis testing is done toward the pretest and posttest data based on students from three schools with a significant level of 0.05%. The result from pretest data using Mann-Whiteney (U test) have a few different although it did not differ significantly. The result from posttest data using the t test are not significantly. The role of the modul was based on the seen average value of students KPS posttest in three schools which is 72.19 with the criteria of "good" when using project method of chemitry module.

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Adean Mayasri

Contact Email deanmys@gmail.com

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Journal Mail Official lantanidajournal@ar-raniry.ac.id

Editorial Address -

Location Kota banda aceh, Aceh INDONESIA

Abstract

Abstract

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Abstract

Abstract

Contact Name
Adean Mayasri

Contact Email
deanmys@gmail.com

Phone
-

Journal Mail Official
lantanidajournal@ar-raniry.ac.id

Editorial Address
-

Location
Kota banda aceh,

Aceh

INDONESIA