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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.
Arjuna Subject : -
Articles 6,280 Documents
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PENGEMBANGAN PERANGKAT PEMBELAJARAN BIOLOGI BERBASIS INKUIRI TERBIMBING (PPBIT) DALAM MENINGKATKAN KEMAMPUAN BERARGUMEN SISWA Dewi Seprianingsih; A. Wahab Jufri; Jamaluddin -
Jurnal Penelitian Pendidikan IPA Vol. 3 No. 1 (2017): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v3i1.50

Abstract

Arguing ability was a part of critical thinking skills which important to be mastered by the students. In fact, students’ ability to argue was still relatively low. This referred to the TIMSS report (The Trends in International Mathematics and Science Study) in 2011, and showed that Indonesian children’s level in science was positioned in 42 from 45 countries. One kind of efforts to improve the quality of the ability to argue was applying the model of guided inquiry. This study was aimed to develop inquiry-based learning tools (PPBIT) and analyzed its effectiveness in developing the ability to argue of students at SMAN 2 Taliwang-West Sumbawa. PPBIT was carried out by applying 4D procedure. Then, pretest posttest control group design also completely concerned in determining the effectiveness of PPBIT. There were 66 students as the sample which was scattered from two classes and was selected by using purposive sampling technique. The results showed that PPBIT was appropriately to be used for students argumentation  skills’ activities by an average of feasibility syllabus 78.71%, RPP 83.5, LKITS 75%, and Instruments KB 80.25%, and effective in improving the ability to argue the class X SMAN 2 Taliwang, particularly on the subject of environmental pollution and recycling of waste by the average score of the students' ability from 48.22 up to 85.08Keyword: PPBIT, Argument
Effect of Urea and Cow Fecal Compost on Growth and Yield of Green Eggplant (Solanum melongena L.) Ahmad Raksun; Mahrus Mahrus; I. Gde Mertha
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 1 (2021): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i1.455

Abstract

Eggplant (Solanum melongena L.) is a vegetable that grows well in various regions in Indonesia. Its growth is largely determined by the availability of nutrients in agricultural land. Research has been conducted on the effect of urea and cow fecal compost on the growth and yield of green fighting plants. This study aims to determine: (1) the effect of urea application on the growth and yield of green eggplant plants, (2) the effect of cow fecal compost application on the growth and yield of green eggplant plants, (3) the effect of the interaction of urea and cow fecal compost. on the growth and yield of green eggplant plants. This study used a 2-factor design. The first factor is the dose of urea fertilizer and the second factor is the dose of cow fecal compost. Growth parameters were stem height, leaf length, and leaf width, while yield parameters were the wet weight of green eggplant. The research data were analyzed using analysis of variance. The results showed: (1) differences in the dose of cow fecal compost had a significant effect on stem height, leaf length, and fruit wet weight but had no significant effect on leaf width of green eggplant, (2) differences in the dose of urea had a significant effect on the stem, leaf length, and leaf length and fruit wet weight but did not significantly affect leaf width of green eggplant, (3) the interaction between urea fertilizer treatment and cow compost did not significantly affect all growth parameters and yield parameters of green eggplant
PENGARUH MODEL PENEMUAN TERBIMBING TERHADAP KETERAMPILAN PROSES SAINS DITINJAU DARI SIKAP ILMIAH PADA PEMBELAJARAN IPA Virgi Puspita Dewi; Aris Doyan; Harry Soeprianto
Jurnal Penelitian Pendidikan IPA Vol. 3 No. 1 (2017): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v3i1.102

Abstract

This study aims to determine: 1) the effect of learning model (guided discovery and conventional) against science process skills of students. (2) the effect of scientific attitudes (high and low) on learning science against science process skills of students. (3) the interaction effect between the learning model  and scientific attitude on learning science against science process skills of students. The type of this research is a quasi experiment with a 2x2 factorial design. The population of this research is the students of SMPN 10 Mataram. The sample consisted of two classes defined by cluster random sampling. The instrument used consisted of a scientific attitude test a questionnaires and observation sheets science process skills. The data were analyzed by ANOVA, the analysis were performed using SPSS version 20 for windows with SPSS previously tested homogeneity and normality at significant level of 0.05. Based on the analysis we conclude : (1) there is no effect of using guided discovery model and conventional model against science process skills and critical thinking ability of students. (2)  there is an effect of scientific attitude (high and low) on learning science against science process skills of students. (3) there is no effect of interaction between the learning model  with a scientific attitude on learning science against science process skills of students.Keywords: Model of guided discovery, science process skills, scientific attitude
THE EFFECT OF TEMPERATURE ON THE CONDUCTIVITY OF POLYMER FILMS Susilawati Susilawati
Jurnal Penelitian Pendidikan IPA Vol. 4 No. 2 (2018): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v4i2.122

Abstract

The effects of temperature on PVA (Poly Vinyl Alcohol) based organic blends containing chlorine have been studied for their potential applications in electrochemical devices. The composite polymers PVA-Chloral Hydrate (CH) blends were blended separately with 23, 34, 45 and 57% CH.  The composite films were prepared by solvent-casting method and each film has been heated different temperature up to 353 K. The electrical properties have been studied using LCR meter and impedance analyzer in the frequency range from 20 Hz to 1 MHz. The conductivity-temperature relation study revealed that an increase conductivity of the PVA-CH blends with increasing temperature up to 353 K. The increase of conductivity with temperature is attributed to the increase of free ion mobility due to thermal energy kT and possible more ions gained kinetic energy via the thermally activated hopping of charge carriers between trapping sites and phonon-assisted quantum tunneling through a barrier separating two equilibrium positions. The conductivity activation energy obtained decreases with the blend composition increases.Keywords: Influence, Temperature, Conductivity, Polymer Films
ANALISIS RENCANA PELAKSANAAN PEMBELAJARAN (RPP) TERHADAP KESIAPAN GURU SEBAGAI “ROLE MODEL” KETERAMPILAN ABAD 21 PADA PEMBELAJARAN IPA SMP Muh. Makhrus; Ahmad Harjono; Abdul Syukur; Syamsul Bahri; Muntari Muntari
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 1 (2019): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i1.171

Abstract

Penelitian ini bertujuan untuk menganalisis kesiapan guru sebagai “Role Model” keterampilan abad 21 pada pembelajaran IPA SMP dilihat dari perangkat pembelajaran berupa RPP yang telah disusun dan dikembangkan. RPP yang disusun dan dikembangkan oleh 20 guru SMP di Kota Mataram, dianalisis dan diberi penilaian sesuai indikator pengembangan RPP yang mengacu pada kurikulum 2013. Penelitian ini dilaksanakan dengan metode campuran (mixed method) yaitu menggunakan model Exploratory Design. Metode ini terdiri atas tiga proses sebagai berikut: (1) Proses kualitatif; (2) Proses kuantitatif; dan (3) Proses interpretasi data didasarkan pada proses pertama dan kedua. Hasil analisis dan penilaian RPP guru kelas VII dan kelas VIII masing-masing memiliki tingkat kelayakan yang berkisar dari 46%-70% dan 70%-85%. Kesalahan yang sering terjadi dari RPP yang telah dibuat adalah tidak ada kecocokan antara kompetensi dasar dengan indikator dan tujuan pembelajaran yang dikembangkan, serta belum terlihat kecakapan abad 21 (HOTS) dalam kegiatan pembelajaran yang dirancang. Fakta ini menunjukkan perlu adanya penjelasan lebih detail tentang RPP agar mampu mencapai tujuan pembelajaran sesuai keterampilan abad 21 yang diharapkan.
Pengaruh Metode Isolasi a-mangostin dari Kulit Buah Manggis (Garcinia mangostana L.) terhadap Rendemen α-mangostin Sri Idawati; Aliefman Hakim; Yayuk Andayani
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.167

Abstract

Abstract: The purpose of this research is to know the effect of the isolation method of the yield of α-mangostin resulting from mangosteen rind. Mangosteen (Garcinia mangostana L.) is the source of xanthone secondary metabolites. Derivatives xanthone which is the main bioactive compound and becomes a major compound in the mangosteen plant, namely α-mangostin. This main compound has been isolated from ethanol extract on mangosteen rind using different extraction methods namely maceration and soxhletation. Purification was done by the recrystallization method with solvent ethanol: aquades (1:1). The Maceration extraction method produce the yields of extract and the yields of pure compounds (α-mangostin) is higher than that of soxhletation. The Maceration extraction method produces yields of extract 30,12% and yields of α-mangostin 4,27% while the soxhletation extraction method produce the yields of extract 26,34% and the yields of α-mangostin 2,13%. This yellow powder isolate has a melting point of 179,7 ºC. Purification is monitored by thin layer chromatography (TLC) and structural elucidation is carried out using FT-IR spectroscopy data. Key Words: Isolation, α-mangostin, Garcinia mangostana
Validitas Perangkat Pembelajaran Etnoekologi Masyarakat Suku Sasak Kawasan Taman Nasional Gunung Rinjani Setiana Dwi Utami; Ismail Efendi; Ika Nurani Dewi; Agus Ramdani; Immy Suci Rohyani
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.291

Abstract

Abstract. The Government of the Republic of Indonesia establishes the competence of college graduates to master the science field and being able to apply it in daily life, one of them is to connect the learning materials with the environment and cultural surroundings through Ethnoecology. The disclosure of ideas by local communities through ethnoecological learning can strengthen the nature of meaningful learning and encourage the students' positive attitude to solve the problems wisdom. The Ethnoecology form of the Sasak Tribe in Mount Rinjani National Park Area is integrated into learning in the form of local knowledge, local intelligence, and local policies. The Ethnoecology Learning development method consisting of RPS, SAP, MFIS, and assessment instruments refer to the ADDIE development model. The Ethnoecology learning developed in this study needs to be validated by practitioners and experts. Based on the feasibility validation result of the ethnoecology learning tool belongs to the category of logical and religious validity, so that it can be used as a support in the implementation of ethnoecology learning. A good learning tool will create a quality learning process. Keywords: Validity; Learning tools; Ethnoecology
SIFAT PENYERAPAN BUNYI PADA KOMPOSIT SERAT BATANG PISANG (SBP) – POLYESTER Khusnul Khotimah; Susilawati -; Harry Soeprianto
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 1 (2015): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i1.9

Abstract

This research conducted to find the physical properties of the absorption of sound from banana stem fiber (Serat Batang Pisang/SBP) with polyesters’ matrix. The sound absorbent material made with a variety of different volume fraction composition. The comparison between the SBP and the volume fraction of the polyester is made of 30%: 70%, 40%: 60% and 50%: 50%. The method of research was done in three stages: making banana stem fiber, manufacturing composite and testing of composite SBP. Composite testing includes physical properties (sound absorption). Preparation of the samples started by taking a banana stem, decomposition banana stem fiber, alkali treatment with NaOH 4%, then mixing the SBP with the matrix  polyester. Manufactured the composites by press the materials on the molding for 12 hours, then tested to find physical properties. Sound absorption test performed using a signal generator and a sound level meter with the principle of the impedance tube method through acoustic box approach as a reference. The results of the study showed that SBP with polyester composite capable to absorb the sound with sound absorption coefficient α = 0.84 at 50% fiber volume fraction. Thus SBP composites can absorb sound for low and medium frequency, based on the standard ISO 11654:1997 (E) where the minimum of sound absorption coefficient of acoustic materials is α = 0.15. Keywords: Composite, banana stem fiber, sound absorber materials, polyester.
Pengembangan Soft Skills Siswa Melalui Penerapan Culturally Responsive Transformative Teaching (CRTT) dalam Pembelajaran Kimia Yuli Rahmawati; Achmad Ridwan; Sylvia Faustine; Pramita Cucu Mawarni
Jurnal Penelitian Pendidikan IPA Vol. 6 No. 1 (2020): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v6i1.317

Abstract

This study aimed is to develop students’ soft skills through the implementation of the Culturally Responsive Transformative Teaching (CRTT) in chemistry learning. Indonesia's ethnic and cultural diversity is a challenge for teachers to design the chemistry lessons which is relevant with students’ characteristics. The research methodology applied is qualitative and applied on chemistry learning in the topics of acid and base, electrolyte and non electrolyte solution in five stages: self identification, cultural understanding, collaboration, critical reflections, and transformative construction. This research was conducted in two schools in DKI Jakarta and West Java in 2018. The data was collected by interview, reflective journal, and observations. The results showed that the chemistry learning through CRTT model can develop students' soft skills such as collaboration skills, critical thinking skills, nationality, social and cultural awareness, leadership, environmental caring, and curiosity. The teachers’ interview and reflections showed that the challenges in applying this approach were creativity in integrating cultural concepts in chemistry learning, students' understanding, time constraints, and the paradigm of students and teachers. Integration of ethnochemistry in CRTT can be developed in other chemical concepts with the principle of students’ character development
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.

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