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Jurnal Pendidikan Kimia (JPKim)

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Published by Universitas Negeri Medan

ISSN : 20853653 EISSN : 25493116 DOI : 10.24114

Core Subject : Science, Education, Social,

Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science

Jurnal Pendidikan Kimia (JPKim) yang dikelola Program Pascasarjana Universitas Negeri Medan terbit 3 kali setahun, yakni bulan April, Agustus dan Desember. JPKim menerbitkan artikel ilmiah hasil-hasil penelitian pendidikan kimia dan kimia fundamental. JPKim juga menerbitkan artikel Review terkait Pendidikan Kimia dan Kimia.

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Articles 13 Documents

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Search results for , issue "Vol 7, No 1 (2015): April" : 13 Documents clear

PERBEDAAN HASIL BELAJAR KIMIA SISWA MENGGUNAKAN MODEL PEMBELAJARAN TGT (TEAMS GAMES TOURNAMENT) DENGAN MEDIA MIND MAPPING DAN MOLYMOOD PADA POKOK BAHASAN HIDROKARBON Ratna Sari Dewi
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstract This research was purpose to know the effect of TGT (Team Games Tournament) learning model with Molymood to student chemistry learning outcomes on teaching Hydrocarbon. The type of this research is quasy-experiment using random group pretest-posttest design. The 2 class of X students of some SMA Negeri in Medan used as a sample, a class was teach by TGT model using mind mapping media and another with molymood media. The research data analysed using two side T-test. The research result show that there is a differences of student learning outcomes between student teach using TGT model with mind mapping media accompanying molymood media. It shows that the student teaching by TGT model using molymood give increasing learning output approx 70.9%, while TGT model with mind mapping media 54.2% Keyword: Teams Games Tournaments (TGT), Mind Mapping, Molymood, Hydrocarbon

UJI EFEK ANTIINFLAMASI EKSTRAK ETANOL DAUN BINAHONG (Anrederacordifolia) SECARA ORAL Yuziani Yuziani
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstrak. Binahong (Anrederacordifolia) is a type of creeping plants basellaceae family members are empirically used by the public to assist in the healing of various diseases, among them for treating wounds or speed the drying process. The most widely used in the treatment is the leaves, although there has been no clinical data on efficacy. Binahong contains saponins, triterpenoids, flavonoids and essential oils . Flavonoids are compounds that have a variety of different bioactivit, including analgesics and anti-inflammatory. The purpose of this study is to see anti-inflammatory effects of ethanol extract of leaves binahong orally to rats. The study was conducted experimentally to test the analgesic activity of orally . In this study, the research subjects were Wistar rats and plant extract made by maceration binahong using 96 % ethanol, then ethanol extract of leaves binahong divided into three doses are dose of 100 mg / kg bw, 200 mg / kg bw, 400 mg / kg bb. Physics run private pain inducers used tool in which the rat plantar test infra-red transmitter is placed at the foot of rats and mice ever seen interesting and lick her feet. Diclofenac sodium is used as a positive comparison . The data obtained were statistically tested using ANOVA (n = 6 , P > 0.05). Result data shows that (1) there were a significantly antiinflammatory effect of oral test showed that inflammation persetase EEDB at a dose of 100mg / kg bw, 200 mg / kg bw and 400 mg / kg bw different between SND 2.25 mg / kg bw. (2) The percentage inflammation SND 2,25 mg / kg bw , followed by EEDB 400 mg / kg bw , 200 mg / kg bw and 100 mg / kg bw . (3) Result data which is indicated by Ducan test that SND 2.25% mg / kg bw show most excellent anti-inflammatory effects in follow EEDB dose of 400 mg / kg bw . This shows that an increase in the effect is directly proportional to the dose. Research shows that the ethanol extract of the leaves have anti-inflammatory activity binahong statistically similar with diclofenac sodium . Preparations Binahong leaf ethanol extract tested showed good results as anti-inflammatory at a dose of 400 mg / kg bw compared with a dose of 100 mg / kg bw and 200 mg / kg bwKeywords: Test Antiinflamasi , Ethanol Extracts , Leaf Binahong , Oral

PENGEMBANGAN BAHAN AJAR INOVATIF RUMUS KIMIA DAN PERSAMAAN REAKSI BERBASIS MODEL PEMBELAJARAN PROBLEM BASE LEARNING (PBL) Ramlan Silaban; Saronom Silaban; Freddy T.M. Panggabean; Elsa Ginting
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstract The research aims to get an innovative chemistry teaching module on chemical formula and chemical equilibrium for X grade SMA to improve student learning outcomes. This research conduct in some senior high school (SMA) in North Sumatera whose devide in two class, those experiment and control class. This R&D type modifies from Borg&Gall theory, and some textbook contain this subject has been analyzing using BSNP criteria. The composed innovative teaching module trial on classroom by quasy-experiment methods. The experiment class taught using innovative teaching module and control class using textbook. The results showed that (1) Some chemistry textbook contain this subject which produced by some publisher has good quality but there are some sequences material and teaching strategy will be addition to completely them. (2) We have get a composing innovative teaching module on chemical formula and chemical equilibrium for X grade SMA on chemical formula and chemical equilibrium with combine PBL teaching model. This module have been standardization and fully criteria of BSNP. (3) There is a significant increasing of chemistry student learning outcomes using this innovative module on teaching classroom Keywords : development innovative teaching module; PBL model; learning outcomes

ANALISIS RISIKO KARAKTERISTIK, SOSIAL EKONOMI, PERILAKU DAN FAKTOR LINGKUNGAN TERHADAP MALARIA (Studi Kasus di Kecamatan Arongan Lambalek Kabupaten Aceh Barat) Susy Sriwahyuni Sukiswo; Rinidar Rinidar; Sugito Sugito
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

AbstractMalaria is an infectious disease remains that has become a global concern. Arongan Lambalek sub district was an endemic area of malaria in West Aceh regency. It was in Medium Incidence Area category with Annual Parasite Incidence (API) value of 3,67 per 1000 population. This case was still above the target of National API elimination phase that was less than 1 per 1000 population in 2013. The study was conducted in Drien Rampak Community Health Center Work Area in Arongan Lambalek of Aceh Barat Regency with the purpose to know the relationship of characteristic, socioeconomic, behavioral and environmental factors and determine the most dominant variable that influence the malaria incidence in Arongan Lambalek sub district of Aceh Barat District. This study was an analytical observational study with case-control approach. Samples were taken by using purposive sampling method with a total sample of 66 respondents, consisting of 33 cases and 33 controls that met the inclusion and exclusion criteria, in this term, case group comprised of people who tested positive for malaria while control group comprised of people who tested negative for malaria based on laboratory tests/RDT (rapid diagnostic test). The results of the bivariate analysis using Chi Square test it was found that there were five variables associated with the incidence of malaria in Arongan Lambalek sub district of Aceh Barat Regency, such occupation (p = 0,000; OR= 0,048), knowledge (p= 0,000; OR= 17,50), attitude (p= 0,001; OR= 7,429), precaution (p= 0,000; OR= 9,80) and the environment (p= 0,000; OR= 9,0). Based on the multivariate logistic regression analysis, the most dominant variable on the incidence of malaria was knowledge about the malaria (p= 0,006; OR= 12,78; 95% CI = 2,045-79,893). It is recommended that further analysis on behavioral factors should be carry out, especially in knowledge in relation to the incidence of malaria in Aceh Barat District.Keywords : Malaria, Socio economic, behavioral, Environment

PENILAIAN TNF-ALFA PADA HATI MENCIT JANTAN SETELAH PEMBERIAN EKSTRAK ETANOL MANGGIS Garcinia mangostana L DENGAN METODE IMUNOHISTOKIMIA Nora Maulina
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstract Mangosteen peel extract is now widely used as an alternative treatment by society as an anti-oxidant without knowing the side effects. Consumption Monosodium glutamate (MSG) is used as a flavor enhancer in the food can cause various side effects due to formation of free radicals in the body such as liver dysfunction. The research method using true experimental designs aimed at comparing the effect of ethanol extract of mangosteen peel (EEKM) on liver damage caused by MSG administration to vitamin E. Of 15 fish samples DDW strain male mice, which were divided into three treatment groups, namely control group / distilled water (P0), MSG administration group (P2), group administration MSG and EEKM(P3). Then assessed liver function as well as evaluating the level of immunohistochemical staining of liver damage with TNF-α (NBP1-67 821, pAb, 1:50 dilution). Ethanol extract of mangosteen peel and are able to improve the look of immunohistochemical expression of TNF-α inflammatory process caused by MSG administration(p>0,05). Keywords: monosodium glutamate, ekstrak etanol kulit manggis, TNF-α.

ANALISIS KADAR MERKURI (Hg) DALAM URIN PENAMBANG EMAS TRADISIONAL (Studi Kasus di Desa Panton Luas Kecamatan Sawang Tapak Tuan, Aceh) Harianto Bangun; Gusbakti Rusip; Zul Alfian
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstract Mercury (Hg) can be exposed to the traditional gold miners during the screening process and annealed. In the filtering process of mercury (Hg) into the body through the skin. And in the process of annealed mercury (Hg) is heated at very high temperatures so that the mercury (Hg) will evaporate and enter the body through inhalation miners. This study aims to determine the amount of mercury (Hg) in the urine of traditional gold miners in the village of Panton Luas subdistrict sawwang southern Aceh district. This study was an observational study with a descriptive design. Sample of 30 people. Collecting data through laboratory tests and questionnaires and analyzed descriptively and analysis uniariat. The results showed that the levels of mercury (Hg) in the urine of gold miners still in the normal range is 4μg / l, an average of 2.82 (SD ± 0.57). Although still within normal limits need to do further research with a more representative sample so that the results will be more accurate. Kata kunci : Kadar Merkuri (Hg), Urin, Penambang Emas Tradisional

PENGEMBANGAN BUKU AJAR KIMIA SMA/MA KELAS XI SEMESTER II DALAM UPAYA MENINGKATKAN HASIL BELAJAR DAN MENUMBUHKEMBANGKAN KARAKTER SISWA Mahmud Mahmud; Ajat Sudrajat; Shofia Rija Napitupulu
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

AbstractThis study aims to develop of chemistry textbooks that used in Eleventh Grade of Senior high school of second semester based on 2013 curriculum to improve students’ achievement and develop students’ character. The samples of this study are SMAN 1 Lubuk Pakam, SMAN 2 Lubuk Pakam, Nusantara Senior High School, MAN Lubuk Pakam. The sample treatment is divided into two, experimental class and control class. The Data collection is done with objective tests, observation sheets during the learning process is done as well as a questionnaire to measure the evolving character at the end of learning. Data were analyzed using SPSS 19 with significance level 0.05. To determine difference in students’ achievement and students’ character by using Cooperative problem Based Learning. The effectiveness score of textbooks quality was 84.37 and KTSP textbook was 74.41. In addition, this research improves students’ achievement and character such as responsibility, creative, communicative and psychomotor. The students’gain achievement of the experiment class was 74.92 and the control class was 67.11. The effectiveness score of communicative character in experiments class was 78,08 and the controll class was 74.26, the creative character in experiment class was 78.28 and the controll class was 75.12, and the responsibility character in experiment class was 79.51 and the controll class was 75.30. The results of this study of indicate that the chemistry textbook was develop in this study can to to improve students’ Achievement and develop students’ character.Kata Kunci : Buku Ajar Kimia, Cooperative Problem Based Learning, Hasil Belajar, Tanggung Jawab, Kreativitas, Komunikatif, Psikomotorik

PENGARUH PENGGUNAAN MEDIA ANIMASI KOMPUTER DAN MOTIVASI BELAJAR DALAM PEMBELAJARAN REAKSI REDOKS DAN ELEKTROKIMIA TERHADAP PRESTASI BELAJAR MAHASISWA Freddy Tua Musa Panggabean; Saronom Silaban
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstract This research aim to know how effect of computer animation instructional media and student motivation for student learning outcomes on teaching redox reaction. The quasy experiment methods conduct and achievement test using as instrument. Data was analysed using inferential statistic method. The results and hypothesis test shows: (1) there is a significant influence the use of computer animation media on learning redox reaction and electrochemical to achievement of students, in which chemistry learning achievement of students taught using computer animation media (84.38) is higher compared chemistry learning achievement of students who are taught without using the computer animation media (78.25), (2) there is a significant influence on learning motivation to achievement of students, in which chemistry learning achievement of students who have a high learning motivation (84.59) higher than chemistry learning achievement of students who have a low learning motivation (78.89), and (3) there is no significant influence of the interaction between the use of computer animation media and learning motivation of students to achievement of student.Kata kunci: Media Animasi, Motivasi, Prestasi Belajar, Kimia.

PENGEMBANGAN PENUNTUN PRAKTIKUM TIPE DISCOVERY DAN TIPE PROJECT BASED LEARNING PADA PEMBELAJARAN ELEKTROLIT DAN NON ELEKTROLIT DI SMA Zakiah Zakiah; Albinus Silalahi; Zainuddin Muchtar
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

AbstractThis research is the development of practical guidance in the field of chemical education. The purpose of this research are (1) Obtain practical guide Discovery types and the type of Project Based Learning, (2) a significant difference to improving the learning outcomes that learned by using practical guidance Discovery types and the type of Project Based Learning, (3) The effectiveness of the learning process that is learned with using practical guide Discovery types and the type of Project Based Learning. The stages in this study were (1) syntax analysis Discovery learning model and Project Based Learning to know the chemistry lab guiding components in accordance with the type of Discovery and the type of Project Based Learning, (2) Prepare and develop chemistry lab guiding electrolyte and non-electrolyte material suitable with syntax type of Discovery and the type of Project Based Learning, (3) standardization or feasibility or feasibility test lab guide to the validator teachers and lecturers, (4) Implementation of practical guidance to students of class X SMA 2 Sigli, (5) to analyze the effectiveness of practical guidance Discovery types and the type of Project Based Learning in learning electrolyte and non-electrolyte that has been tested. The results of the feasibility test lab guides Discovery types 3:41 and practical guide type Project Based Learning 3:50. While the effectiveness of the use of practical guides Discovery types and the type of Project Based Learning is seen from the results of student learning in mind that the first experimental class that uses practical guide type Discovery 86.00 average with 71.4% increase in learning outcomes while using the experimental class II type Project Based practical guide Learning average of 81.75 with an increase of 58.8% learning outcomes. It can be concluded that the practical guidance Discovery types and the type of Project Based Learning feasible to be used as a guide practice in schools, with increased learning outcomes using practical guidance Discovery types of higher value than the type of practical guidance Project Based Learning.Keywords: Practical Guidance Development, Type Discovery , Type of Project Based Learning

PENGEMBANGAN BAHAN AJAR INOVATIF UNTUK SISWA SMA POKOK BAHASAN STRUKTUR ATOM DAN TABEL PERIODIK UNSUR Devi Anriani Siregar; Iis Siti Jahro; Ramlan Silaban
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstract This study aimed to obtain an character base-innovative teaching module on teaching atomic structure and periodical table of element contain character base education. This type of research is a research and development modified from Borg-Gall methods. The 20 teachers chemistry of X grade class of SMA (senior high school) used as samples or responden to analysing chemistry textbook produced by two publisher using BSNP (National Education Standards Agency) instrument standard. The results show that both of textbook contain atomic structure and periodical table of element have good quality but it possible to developed to get an innovative teaching module which revise in subject matter sequences and teaching strategy. The innovative teaching module received had been fully BSNP standard, quite valid, feasible and does not need to be revised. From trial using quasy experiment methods show that student outcomes thought using innovative teaching module (average 88.5) higher than control class (average 80.75). Keywords: Research and Development, Atomic Structure and the Periodic Table, character education, Curriculum 2013.

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