cover
Contact Name
Hamidi
Contact Email
hamidi@unram.ac.id
Phone
+6281936732708
Journal Mail Official
editor.jossed@gmail.com
Editorial Address
Jl. Pendidikan No 37 Mataram
Location
Kota mataram,
Nusa tenggara barat
INDONESIA
Journal of Science and Science Education (JoSSEd)
Published by Universitas Mataram
ISSN : 27741869     EISSN : 27742105     DOI : https://doi.org/10.29303/jossed
Journal of Science and Science Education (JoSSEd) is a Peer Review international journal published by Postgraduate Mataram University. It is firmly established as an authoritative voice in the world of science and science education. JoSSEd publishes scholarly papers that focus on science and science education like the teaching and learning of science in school settings ranging from early childhood to university education. It bridges the gap between research and practice, providing information, ideas, and opinion. As a truly international journal, JoSSEd welcomes contributions from any country provided that the authors explain their local contexts and demonstrate the significance of their work for a global readership.
Arjuna Subject : Umum - Umum
Articles 68 Documents
The Effect of Guided Inquiry Learning Model on Chemistry Learning Outcomes Siti Hasanah; Agus Abhi Purwoko; Aliefman Hakim
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.827 KB) | DOI: 10.29303/jossed.v1i1.446

Abstract

Teachers and students still dominate the learning process at SMAN 1 Lingsar are even less active. This study aimed to determine the effect of the Guided Inquiry learning model on students' chemistry learning outcomes. This study used quasi-experimental research (quasi-experimental) with a nonequivalent control group design pre-test-post-test design. The population in this study were all Class XI IPA SMAN 1 Lingsar. The sampling technique used a quota sampling technique. The sample consisted of 2 classes, namely class XI MIA 1 as the experimental class and class XI MIA 4 as the control class. The instruments in this study were 3, namely: RPP, LKPD, and Tests. The test is carried out at the beginning of the meeting (pre-test) and the end of the session (posttest). The resulting data were tested using the ANCOVA test. The results showed differences in chemistry learning outcomes for students who took the guided inquiry learning model with those who took the conventional learning model. The results of statistical tests obtained a significance value of the learning model of 0.011. So because the amount of the Sig value is less than 0.05, H0 is rejected. It means a linear relationship between them with the average chemistry learning outcomes in the class that received the guided inquiry empowerment model higher than the control group. Furthermore, the covariance proved also to support the improvement of students' chemistry learning outcomes with a significance level of 0.000. It means that there is a linear relationship between the covariance and the dependent variable
Effectiveness of Ethanol Extract among Three Ganoderma Species From Lombok in Inhibition Growth of Candida albicans and Cryptoccocus neoformans Fitria Rizka Hidayat; Sukiman Sukiman; Ernin Hidayati; Sarkono Sarkono; Bambang Fajar Suryadi; Faturrahman Faturrahman
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.335 KB) | DOI: 10.29303/jossed.v1i1.453

Abstract

Candida albicans and Cryptoccocus neoformans are opportunistic pathogenic fungi that cause infectious diseases that are the world's biggest health problems. The use of antibiotics is one way to overcome the spread of the infection and cause microbial resistance. Ganoderma is one of the many macrophages found on Lombok's island, and studies of its antifungal activity have not been carried out. The purpose of this study was to determine the antifungal potential and the effect of different concentrations of ethanolic extracts of three Ganoderma species on C. albicans and C. neoformans. Ganoderma samples were obtained from Suranadi Taman Wisata Alam (TWA), Sesaot TWA, Tunak Mountain TWA, Kerandangan TWA, and Pusuk Forest. Ganoderma extraction was carried out by the maceration method using ethanol 95% solvent. The extract concentrations used are 20%, 40%, 60% and 80%. This research was conducted using the wells method with metronidazole as a positive control and 50% DMSO as a negative control. The parameter measured is the large diameter of the inhibition zone formed around the well. The results obtained are the three species of Ganoderma have antifungal activity against test fungi, and different levels of concentration affect inhibition. The amount of the inhibition zone is directly proportional to the high concentration of the extract. All three Ganoderma species are more effective in inhibiting the growth of C. neoformans compared with Candida albicans
Effectiveness of Validated Teaching-Learning Package in Projectile Motion for Grade 9 Science Chester Ian Sotto Pineda
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (148.036 KB) | DOI: 10.29303/jossed.v1i1.454

Abstract

This study tested the validity and effectiveness of the developed Teaching- Learning Package in Projectile Motion for Grade 9 Science. A Teacher's Guide, a Learner's Module, and a Computer- Aided Instructional (CAI) tool comprised the package. The CAI tool composed of interactive simulations was developed using  Adobe Flash Professional  CC  2015  software and  Small  Basic and utilized the  Microsoft  PowerPoint  2016  as the overall platform. Research and Development design was employed in the study. The assessment of the package was done in five categories: (1) objectives, (2) contents of the Teacher's Guide and Learner's Module; (3) content quality, (4) instructional quality, and (5) technical quality of CAI tool by the five Physics and two ICT teachers. General average ratings of 3.58 and 4.41 were obtained from the assessment of the modules and CAI tool, respectively. Thus, teaching materials possess very good qualities. It is observed that the improvement of students who learned with the use of Teaching- Learning Package is greater than the traditional approach using a textbook. It is recommended that the developed Teaching- Learning Package should be used in teaching Projectile Motion for Grade 9 Science in the K- 12 curriculum
Determination of Mount Merapi Volcanic Earthquake Hypocentre By Using Seismic Wave Polarization Analysis Syahrial Ayub; Muhammad Zuhdi; Muhammad Taufik; Gunawan Gunawan
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (222.95 KB) | DOI: 10.29303/jossed.v1i1.474

Abstract

Volcanic earthquakes of mount Merapi have been investigated periodically. The investigation aims to determine the hypocenter and epicenter of mount Merapi's volcanic earthquake using wave polarization analysis. The analysis was carried out in three domains, which are the time domain, the frequency domain, and the space domain. The analysis in the time domain was conducted by the arrival time of the volcanic earthquake, and the analysis in the frequency domain was done by observing the spectrum to get information on source frequency and bandwidth passed from polarization analysis, while the analysis in the space domain was conducted especially on hypocenter determination of the volcanic earthquakes. The analysis leads to the frequency of source 6 Hz and a bandwidth of 0.1 Hz. Thus, the hypocenter of volcanic earthquakes by polarization analysis was distributed to depth from 670 m to 3250 m from Merapi's top
Assessment of Infertility Factors and Their Relative Impact in Pregnancy using Ultrasonography & Hormonal Checkup Mohamed Elfadil M. Gar-elnabi; Manal Zainelabdeen Abdelsalam; Mohamed Abdalla Eltahir; Mohammed A. Ali Omer; Mustafa Jafar Musa
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (373.365 KB) | DOI: 10.29303/jossed.v1i1.476

Abstract

Infertility as a social and psychological problem among middle east natives. Among them, Transvaginal ultrasound (TVU) and hormonal tests have been selected to evaluate infertility in this study. The objective was to assess the infertility factors and their relative impact in pregnancy and to deduce the equation to predict infertility. Methods: a retrospective data (morphometric pathologies of uterus and ovaries using TVU and laboratory hormones (FSH, LH)) have been collected from clinics for 180 women of reproductive age (15-49 years) in Sudan.  The data analyzed by SPSS. The results showed that there were 120 (66.7%) infertile and 60 (33.3%) fertile ladies based on the marriage date. The common ovarian causes of infertility were the polycystic ovary (PCOs) 23.3%, simple cyst 6.1%, hemorrhagic cyst, 4.4%, and uterus causes: 6.7% intramural fibroma, 6.1% retroverted uterus, 2.8% submural fibroma, 2.2 polyps. The general accuracy of Stepwise Linear Discriminant Analysis (SLDA) was 78.9%, for infertile was 70.8% and for fertile 95%. Larger ovarian width indicates significance (p smaller than 0.05) infertility and FSH level low among infertile ladies, but LH is less dependent on discrimination
The Honey Quality of Apis mellifera with Extrafloral Nectar in Lombok West Nusa Tenggara Indonesia Erwan Erwan; Muhammad Harun; Muhammad Muhsinin
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (293.735 KB) | DOI: 10.29303/jossed.v1i1.482

Abstract

The purpose of the present study was to analyze Apis mellifera honey's quality given extrafloral nectar feed from Arenga pinnata sap and Cocus nucifera sap as stimulatory nutrition. The chemical compositions of honey, such as reducing sugar content, sucrose content, the acidity of honey, moisture content, and diastase enzyme activity, were measured. The comparison between A. mellifera honey's chemical compositions on Arenga pinnata sap and Cocus nucifera sap ware was analyzed using the student t-test (GraphPad Instant Statistical Program). The result from the analysis of reducing sugar content showed that the A. mellifera honey from Cocus nucifera sap (73.69± 0.21%) had a higher (P<0.05) than the Arenga pinnata sap (60.15±2.13%). The significant differences (P<0.05) in the acidity of A. mellifera honey from Arenga pinnata sap (43.00±7.48) compared with Cocus nucifera sap (22.00±2.14). The sucrose content, moisture content, and diastase enzyme activity were not significant differences between the A. mellifera honey from Arenga pinnata sap compared with the A. mellifera honey from Cocus nucifera sap. In conclusion, the chemical compositions of A. mellifera honey with extrafloral nectar (Arenga pinnata sap and Cocus nucifera sap) are good quality and indicate that the honey falls under the limits of international standards. The A. mellifera honey from Cocus nucifera sap has a higher sugar reduction content and lower acidity than the A. mellifera honey from Arenga pinnata sap
Analysis of Detergent Waste Absorption Using Water Spinach (Ipomoea aquatica) Syarifa Wahidah Al Idrus; R. Rahmawati; Saprizal Hadisaputra; Hilman Qudratuddarsi
Journal of Science and Science Education Vol. 2 No. 1 (2021): April
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.707 KB) | DOI: 10.29303/jossed.v2i1.483

Abstract

This study aims to determine the absorption of water detergent waste using water spinach (ipomoea aquatica). This experimental study used a randomized block design. Water samples were planted with water plants according to the research design. Detergent concentrations were observed using the MBAS (Methylene Blue Active Substance) method. The results showed that water spinach was able to reduce the detergent concentration and improve the concentration of water quality parameters (DO, BOD, and COD). After the treatment of water kangkong, the ability to absorb detergent was seen with a decrease in detergent levels until day 28 of 54.17%. The highest detergent absorption on days 7 and 14.
The Relationship Between Learning Style and Critical Thinking Skills in Learning Kinetic Theory of Gases Dedi Riyan Rizaldi; Muh. Makhrus; Ziadatul Fatimah; Chester Ian Sotto Pineda
Journal of Science and Science Education Vol. 2 No. 2 (2021): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (233.99 KB) | DOI: 10.29303/jossed.v2i2.488

Abstract

This study aims to determine the relationship between learning styles and critical thinking skills in learning gas kinetic theory. This type of research is pre-experimental with a level 3 factorial design that uses three classes to be sampled, namely XI IPA 1, XI IPA 2, and XI IPA 3 in SMAN 7 Mataram. The learning style data collection technique used a questionnaire, while the critical thinking skill data used a multiple-choice test and description. The data obtained were analyzed using two-way ANOVA assisted by IBM SPSS Statistics 21. Based on the analysis obtained an F value of 0.03 <0.05, which illustrates a relationship between learning styles and students' critical thinking skills on learning kinetic theory of gases.
Misconception Profile of Prospective Physics Teachers Assessed from Various Representations of Electricity Subjects Muhammad Zuhdi; Ahmad Busyairi
Journal of Science and Science Education Vol. 2 No. 1 (2021): April
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.149 KB) | DOI: 10.29303/jossed.v2i1.490

Abstract

Misconception is one of the important problems that often arise in education. The objective of this study is identify misconceptions in the subject of Electricty that occur in prospective teachers. The method used in this research is descriptive method. A total of 25 pre-service physics teacher candidates at a university in the Mataram City were involved in this study. The instrument used in this study was a three-tier test. This study use a total of 40 test items. These questions are classified into two types of representation, namely; verbal and figural. The results showed that 88.1% of prospective physics teachers had misconceptions on Kirchoff's first law, 94.8% misconceptions on Kichoff's second law concept, 91.7% misconceptions on Ohm's Law concept and 85.9% on electrical sources concepts. The results of the study show that 72.3% of prospective physics teachers had misconceptions on verbal type questions and 84.2% misconceptions on figural types
The Diversity of Pest Generalist Predator in Potato Plants (Solanum tuberosum L.) Treated By Non-Synthetic Chemistry Insecticide on The Medium Plain of Lombok Island Muhammad Sarjan; Sudirman Wahyu Astiko; Citra Sintia Andari; Baiq Minarti Rismanovi
Journal of Science and Science Education Vol. 1 No. 1 (2020): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.441 KB) | DOI: 10.29303/jossed.v1i1.491

Abstract

This study aims to determine the diversity, abundance, and dominance of predators in potato plants treated by synthetic non-chemical insecticides on the medium plain of Lombok Island. The research used Randomized Block Design with ten different synthetic non-chemical insecticide treatments such as Metarhizium anisopliae, Beauveria bassiana, and Bacillus thuringiensis, Neem extract, tobacco stem extract, soursop leaf extract, babandotan leaf extract, chemical insecticide treatment, and one treatment without insecticide as a control. The insecticide was applied after 37 days of planting eight times at 7-day intervals. The type and population of predators were observed five days after the treatments. The diversity index (H'), abundance (K), and dominance (D) of the predators are then identified and determined. Data were analyzed by using a Diversity analysis followed by a 5% beda nyata jujur (BNJ). The yield shows six predatory families: Formicidae, Coccinellidae, Mantidae, Lycosidae, Oxyopidae, and Aranedae. H' and K values are generally classified as the low category, and no species dominates in each treatment (D <0.5). The value of H' and K in B. thuringiensis treatment was higher than other treatments. The highest D value was obtained from chemical insecticide treatment. Formicidae is the family with the highest population compared to other families