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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 14 Documents
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Search results for , issue "Vol. 1 No. 2 (2015): July" : 14 Documents clear
PENGARUH MODEL PEMBELAJARAN INKUIRI TERBIMBING TERHADAP PENGUASAAN KONSEP SAINS DITINJAU DARI KEMAMPUAN AWAL SISWA Susilawati -; Nyoman Sridana
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.26

Abstract

This study aims to find out: (1) the differences in science concept mastery of students who take guided inquiry learning model with conventional learning, (2) the differences in science concept mastery of students that prior knowledge high and low prior knowledge. This method of research is an quasi-experimental with factorial 2x2 analysis design. The subject of this study was ten class of 8th grade student in SMP 10 Mataram 2014/2015. Two class was chosen as sample using cluster random sampling technique, one classes as experimental group and one classes of control group. The research instrument is science mastery concept made by teacher. Data were analyzed using ANCOVA to find the effect of learning model and prior knowledge to science concept mastery. Analyses were performed using SPSS version 20 for Windows. Based on the analysis can be concluded that: 1) There are differences in science concept mastery of students who take guided inquiry learning model compared to conventional learning. 2) There is no difference in concept science mastery of students who have high and low prior knowledge of students.
INDUKSI KALUS KACANG TANAH (Arachis hypogaea L.) VARIETAS KELINCI DENGAN PERLAKUAN 2,4-D DAN BAP Ida Royani; Lalu Zulkifli; Prapti Sedijani
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.21

Abstract

Callus induction determines the successfulness of micropropagation through somatic embryogenesis. This research was conducted to determine the effect of 2,4-D and BAP on callus induction of peanut (Kelinci strain). Callus induction was done on MS medium, with the observed variables were of initiation time, diameter, texture and color callus. Statistical analysis showed that 2,4-D and BAP affect the initiation time, diameter, texture and color callus. The earliest initiation of callus formation was obtained from MS medium with the addition of 4 mg/L 2,4-D. The diameter of the largest callus obtained from MS medium with the addition of 3 mg/L 2,4-D + 1 mg/L BAP. Callus color were affected by the treatment of 2,4-D and BAP, while callus texture was not affected by these treatmen, in which compact callus texture was not affected by these treatment, in which compact callus texture was observed in all treatments.Keywords: Induction of callus, 2,4-D, BAP, peanuts
PENGARUH EKSTRAK ETANOL DAUN JAMBU AIR (SYZYGIUM AQUEUM) TERHADAP BAKTERI ISOLAT KLINIS Titi Hariyati; Dwi Soelistya Dyah Jekti; Yayuk Andayani
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.16

Abstract

Syzygium aqueum plant of the family Myrtaceae is native of Malaysia and Indonesia and is known as the water rose. The active compound is useful as an antibacterial. This study aimed to determine the effects of ethanol extracts of guava leaves (S. aqueum) as an antimicrobial against clinical isolates bacteria in vitro. The design used in experiment was a Completely Randomized Design (CRD). Data were analyzed using the Kruskal-Wallis test. Results of statistical analysis using SPSS 20 for windows indicated that the ethanol extract of guava leaves has a significant (P<0,05) effect in inhibiting the growth of clinical isolates bacteria. MIC (Minimum Inhibition Concentration) of ethanol extracts for each bacterium can not be determined because the guava leaf extract was very dark. The MBC (Minimum Bacterisidal Concentration) of ethanol extract of guava leaf  for both S. aureus and S. dysenteriae was 20%.  The MBC of the extract for E. coli, S. thypi, V. cholerae was 25%, where as for B. cereus was at concentration of 50%. It can be concluded that guava leaf has highly potential as a source of antimicrobial agent.Keywords:Antibacteria, Guava Leaf, Clinical Isolates Bacteria, Ethanol Extract
PENGARUH EKSTRAK BIJI BENGKUANG TERHADAP WALANG SANGIT (Leptocorisa acuta Thunb.) PADA TANAMAN PADI Evrialiani Rosba; Moralita Catri
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.22

Abstract

One of the biggest pests in rice plants were walang sangit (Leptocorisa acuta Thunb.) Where an attack by sucking plant fluids resulting grain hollow and fragile in the mill. In case of severe attack can reduce rice yields reached 100%. Attempts to control this pest is mostly done with synthetic pesticides. The use of synthetic pesticides can result in damage to the environment. To overcome such effects it is necessary to control that do not pollute the environment. One way to use botanical pesticides, namely yam seed extract. The purpose of this study was to determine the effect on the control of yam seed extract walang sangit (Leptocorisa acuta Thunb.) In rice plants. This study uses a completely randomized design (CRD) with 6 treatments and 3 replications. The treatments were A (0 g / L, B (10 g / L), C (15 g / L), D (20 g / L), E (25 g / L), F (30 g / L). Data mortality observations were analyzed by analysis of variance and continued with DNMRT test. Data were collected for the time of death walang sangit (L.acuta Thunb.) and mortality walang sangit (L.acuta Thunb). The results showed that the death walang sangit (L. acuta Thunb) The fastest is at a concentration of 30 g / L is 4.7 days and the slowest was 12.67 days, whereas the mortality walang sangit (L.acuta Thunb.) is the highest is at a concentration of 30 g / L is 63.3% and the lowest concentration of 0 g / L of 5%
PERTUMBUHAN KALUS DAUN MELON (Cucumis melo) VARIETAS MAI 119 DENGAN PEMBERIAN BAP (BENZYL AMINO PURINE) DAN 2,4-D (2,4 DICHLOROPHENOXYACETIC ACID) Toharah, Nining Intan; Jekti, Dwi Soelistya Dyah; Zulkifli, Lalu
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.17

Abstract

This study aims to determine the concentration of growth regulators BAP and   2,4-D which have the highest effect in stimulating the formation of callus melon plants (Cucumis melo) Mai 119 variety. Completely randomized design (CRD) was used in this research. Media used on callus induction was MS medium with addition of several concentration of BAP  (0 mg/L, 1 mg/L, 2 mg/L, 3 mg/L) and 2,4-D (0 mg/L, 1 mg/L, 2 mg/L, 3 mg/L) either alone or in a combination of both. Parameters measured were the time appearing of callus, callus diameter, callus texture, and callus color. Anova followed by Tukey's test was used to the analyse of time appearing of callus. Data of callus diameter was analyzed using Kruskal Wallis test followed by Mann-Whitney test. In the analysis of parameter related to the callus texture and callus color, descriptive test were used. The results showed that there were differences in the effect of growth regulators on the callus formation. The fastest callus induction and the largest diameter of callus were obtained on media with concentration of 2 mg/L BAP and 3 mg/L BAP.Keywords: BAP (benzyl amino purine), 2,4-D (2,4-dichlorophenoxyacetic acid), callus induction, melon (Cucumis melo) varieties Mai 119
PENINGKATAN AKTIVITAS DAN HASIL BELAJAR MAHASISWA DENGAN MENERAPKAN METODE DISKUSI KELOMPOK PLENO PADA MATA KULIAH EVOLUSI DI STKIP PGRI SUMBAR Ruth Rize Paas Megahati; Meliya Wati; Elza Safitri
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.23

Abstract

Lack of understanding of concepts and facts in the Evolution subject leads to low activity and student learning achievement. That are caused students simply expect information from lectures who are still using regular discussion. The purpose of this research is to improve the activity and student learning achievement at the Evolution course. Learning activities that are studied, among others asking, answering questions, the moderator, presenter on discussions, and taking note of the lecturer. This type of research is a class action research in the class that may have activity and low learning achievement. Learning achievement assessed is cognitive aspect only the cognitive. Increasing of activity and student learning achievement will be done by using the method of group learning plenary discussion. It a method in which all participants can be used to describe a particular topic or concept so the understanding of the participants are expected to be the same. Application of the method plenary discussion on the course of evolution can improve the activity and student learning achievement of Biology education students of STKIP PGRI of West Sumatra
PENGEMBANGAN PERANGKAT PEMBELAJARAN MODEL BELAJAR DI LINGKUNGAN (OUTDOOR LEARNING)UNTUK MATA KULIAH MORFOLOGI TUMBUHAN Suryani, Erni; Jekti, Dwi Soelistya Dyah; Ramdani, Agus
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.18

Abstract

To improve students' academic ability is necessary to the development of innovation in learning. Development of the learning device will be able to improve the quality of content, process, and learning outcomes of students. In order to achieve these objectives, the steps that need to be done is to analyze the competencies or learning objectives, identifying the characteristics of learners and establish a learning environment. To develop the necessary creativity learning educators to create interesting learning activities. Development of a learning device demands of the curriculum in higher education system. According Kepmendiknas 232 / U / 2000 higher education curriculum is a set of plans and arrangements regarding content and study materials and lessons as well as the delivery and assessment are used as guidelines for the organization of teaching and learning in higher education. This research aims to develop outdoor learning model learning device that is expected to improve the learning outcomes of students. Development of the learning device refers to a model of Dick and Carey. Developed learning tools such as syllabi, lecture events unit, student activity sheet and instruments of learning outcomes in the course of plant morphology. Data were collected using instruments feasibility of device which is validated by validator. The results showed that the learning device such as syllabi, lecture events unit, student activity sheet gets categorized, achievement test gets categorized as very feasible to be implemented on plant morphology courses for students of the second semester.Keywords: Devices, outdoor learning, learning outcomes
PENGEMBANGAN BUKU AJAR ASTRONOMI BERBASIS SELF REGULATED LEARNING SEBAGAI UPAYA MEMOTIVASI MAHASISWA UNTUK BELAJAR MANDIRI Susilawati -; Harry Soeprianto; Habibi -
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.25

Abstract

The study aims to produce a textbook Astronomy based self-regulated learning that can motivate students to learn independently. The method used is Research and Development (R & D) by adopting three of the four stages of development models that define 4D (definition), Design (design), and the Development (development). Define phase conducted to determine the characteristics of the products textbook developed through a preliminary study. Selection of the format of the manufacture of textbooks carried out at the stage of design to produce a draft of the Development Phase I. undertaken to produce draft II, III draft, and the final product of the textbook developed. Draft II obtained through the revision of expert validation of three validator recommended. Draft III is the result obtained from a test on a small group of 5 students FKIP Unram as samples taken at random. The end product obtained from the development of field tests on all Unram FKIP students who are taking elective courses astronomical TP 2013/2014 amounted to 12 people. Validation results as well as devices supporting textbook shows the criteria of "very decent" to be used and can motivate students to learn independently.
PENINGKATAN KETERAMPILAN BERPIKIR KRITIS MELALUI MODEL PEMBELAJARAN DISCOVERY LEARNING Devi Qurniati; Yayuk Andayani; Muntari -
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.20

Abstract

The importance of critical thinking skills for students in the study of chemistry, it is necessary to appropriate learning models that can involve students directly in making students active learning and improve students' critical thinking skills. One model that can be applied is discovery learning model learning. The purpose of this study was to determine the increase in critical thinking skills of students learning through discovery learning. This study was an experimental study design with nonequivalent pretest-Posttes Control Group Design. The subjects of the study involves two classes of experimental class and control class. Data collection instruments in the form of test critical thinking skills in the form of matter description. Statistical testing using independent sample t-test were previously tested for normality, homogeneity test at the 0.05 significance level. The results showed no difference in the increase in critical thinking skills in each of the indicators of critical thinking skills.Keywords: Discovery learning, critical thinking skills
PENGEMBANGAN PERANGKAT MODEL PEMBELAJARAN KUANTUM BERBASIS MASALAH DENGAN PENDEKATAN SAINTIFIK Mei Indra Jayanti; A. Wahab Jufri; Agus Ramdani
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.15

Abstract

In the Law of the Republic of Indonesia Number 20 of  2003 on the national education system of article 1, paragraph 1 that education will be successful in learning activities where students are able to achieve the expected competencies of science and give a positive value to themselves. Critical thinking ability and reasoning ability is part of the high school biology course goals that can be developed through a student-centered learning, such as quantum learning, problem-based learning, and scientific approach. This study aimed to develop the quantum problem-based learning model packages and the quantum without problem-based learning (PKBM and PKTBM) with 4 and 6 stage of scientific  approach  toward critical thinking ability and  reasoning ability in tenth grades. Process of development teaching and learning packages refers to the model Dick & Carey. Teaching and learning packages developed to biology course for the tenth grade of senior high school in ecological material. Data were  collected by using instruments feasibility characteristics of teaching and learning packages. Data were analyzed using descriptive statistics. The results showed that the syllabus and the learning lesson plan (LLP)  got a worthy category; worksheets, tests of critical thinking ability and tests of reasoning ability got a very worthy category to used in tenth grades of senior high school.Keywords: PKBM, PKTBM, scientific approach, critical thinking ability, reasoning ability

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