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Journal of Natural Science and Integration
Published by Universitas Islam Negeri Sultan Syarif Kasim Riau
ISSN : 26204967     EISSN : 26205092     DOI : -
Core Subject : Science, Education, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Education
Journal of Natural Science and Integration (JNSI) contains publications of research and review literature in the field of science learning such as chemistry learning, physics learning, biology learning, natural science learning and science integration as a form of intellectual property. It is affiliated with Asosiasi Dosen Tadris IPA Indonesia (ADRISPA).
Arjuna Subject : Umum - Umum
Articles 186 Documents
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Students’ Visualization Skills in Chemical Bonding through Three Dimension: A Study on Secondary School Chemistry Students Aliyu, Faruku; Garba, Aliyu; Faruk, Ramatu Umar
Journal of Natural Science and Integration Vol 6, No 2 (2023): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v6i2.27212

Abstract

Visual cognitive representation of chemical structures and composition is achieved when proper visualization is made by chemistry students. It is in respect this that, this study measured the students’ visualization skills in chemical bonding through three dimension: a study on secondary school chemistry students. The study adopted quasi-experimental group design where both experimental (students taught using 3D visualization) and control (students taught using 2D visualization) groups participated in pre-test and post-test but only the experimental group received the intervention as 3D visualization.  The population for this research comprises all science senior secondary school one (SSS1) students under Sokoto State Ministry of Science and Technology, Sokoto State, Nigeria. A sample of 118 students purposively selected were used. The instrument used for this research was Students’ Visualization Test in Chemical Bonding (SVTCB). The measured reliability of the instruments was 0.72.  Independent sample t-test was used to analyse data collected. The findings implies that, 3D visualization enhances students’ visualization skills in the learning of chemistry abstract concept irrespective of gender. Keywords:  Visual, Cognitive, Skills, Chemical Bonding, 3D
Identifying Javanese Students' Conceptions on Fluid Pressure with Wright Map Analysis of Rasch Samsudin, Achmad; Aminudin, Adam Hadiana; Novia, Hera; Suhandi, Andi; Fratiwi, Nuzulira Janeusse; Yusup, Muhamad; Supriyatman, Supriyatman; Masrifah, Masrifah; Adimayuda, Rizal; Prahani, Binar Kurnia; Wibowo, Firmanul Catur; Faizin, Mohammad Noor; Costu, Bayram
Journal of Natural Science and Integration Vol 6, No 2 (2023): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v6i2.21822

Abstract

This research aims to identify the conception of Central Javanese students on fluid pressure. The survey was conducted in Central Java involving 515 participants (eight grade students about 14 years old) consisting of 177 males and 338 females. The instrument consists of six questions in a four-tier format about fluid pressure and is distributed via Microsoft Form. The analysis was carried out with Rasch analysis and percentages with six categories of conceptions: CU (Conceptual Understanding); PP (Partial Plus); PM (Partial Minus); NU (No Understanding); MC (Misconception); and NC (No Coding). The Rasch analysis shows the Cronbach alpha is 0.68 (Enough) and the distribution of students' conceptions of fluid pressure forms a normal curve. Meanwhile, bias was not found for gender problems in answering the questions. The percentage of the result are: CU (17%), PP (4%), PM (39%), NU (13%), MC (27%), and NC (0%). This indicates that students' conceptions are still dominated by PM and MC categories. Students in the PM category have good characteristics but lack self-confidence. While the MC category is an unexpected result because students are confident in their answers that are wrong or not in accordance with scientific conceptions. Thus, further action is needed to overcome students' misconceptions.Keywords: Students' Conceptions, Fluid Pressure, Rasch Analysis
Prospective Science Teachers’ Views on Socio-Scientific Issues: A Mathematical Modeling Study Mısır, Muhammet Emin; İlhami, Aldeva
Journal of Natural Science and Integration Vol 6, No 2 (2023): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v6i2.28069

Abstract

The rapid changes in the world and the difficulties in accessing accurate information increase the need for individuals to engage in analytical and mathematical thinking. Therefore, educational reforms are being implemented, offering various approaches, including mathematical modeling. Mathematical modeling, which enables individuals to evaluate real-life situations using mathematical expressions, has recently been extensively studied in mathematical education but not science education. In this research, the topic of genetically modified organisms, a socio-scientific issue as a real-life situation, has been addressed. Sixteen prospective science teachers from a state university in the Marmara Region of Turkiye participated in the study. The “Genetically Modified Product Production” model eliciting activity developed by researchers was used as the data collection tool. The modeling activity aims to determine the prospective science teachers’ levels of mathematical modeling and their views on the production of genetically modified products. The data obtained from the research were analyzed using descriptive analysis methods. As a result of the research, although the participants encountered this activity for the first time, they generally demonstrated modeling competencies at Levels 2 and 3 (sufficient and moderate) in their solutions to the modeling activity. Regarding the production of genetically modified products, participants mainly expressed opposing views, considering it a socio-scientific issue.Keywords: socio-scientific issues, genetically modified organisms, mathematical modeling competencies 
Project Based Learning (PjBL) Model with STEAM Approach: Its Impact on Students Creative Thinking Skills on Energy in Living System Topic Permana, Niki Dian; Lestari, Ina; Susanty Harahap, Fatimah Depi; Azhar, Azhar; Defianti, Aprina
Journal of Natural Science and Integration Vol 6, No 2 (2023): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v6i2.25791

Abstract

This research aims to determine the increase in creative thinking skills of secondary school students through the application of the PjBL model with a STEAM approach to energy materials in living systems. This research uses a true experimental method with a pretest-posttest control group design. The population of this study was all class VII students. The sample selection used a simple random sampling technique so that one experimental class was selected which applied the PjBL model with the STEAM approach and one control class which applied the conventional learning model. Data collection was carried out through creative thinking skills test questions and observation sheets. Posttest data on students' creative thinking skills were analyzed using the Mann-Whitney test, and observation sheets were analyzed using descriptive analysis. The results of the analysis using the N-gain test in the control class obtained a value of 47,4 in the medium category and the experimental class with an N-gain of 71 in the high category. It can be concluded that there is a significant increase in students' creative thinking skilss after learning using the PjBL model with the STEAM approach in learning Energy in Living Systems.Keywords: project based learning, steam, creative thinking skills, energy in living systems
Enhancing Students' Critical Thinking Skills Through Problem-Based Learning Values Clarification Technique (PBLVCT) on The Human Respiration System Concept Yusni, Diana; Sanjaya, Yayan; Kusnadi, Kusnadi
Journal of Natural Science and Integration Vol 6, No 2 (2023): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v6i2.31382

Abstract

The purpose of this research is to develop a Problem-Based Learning Values Clarification Technique (PBLVCT) model for teaching the human respiration system and to evaluate its effectiveness in enhancing students' critical thinking skills. The study employed a quasi-experimental method with a pretest-posttest control group design. Two groups, selected through convenience sampling, were used as research samples. Data were collected using pre-tests and post-tests in both groups, and analyzed using the Paired Sample T-test to identify differences in critical thinking skills between the groups after the intervention. Additionally, the N-Gain test was used to assess improvements in critical thinking skills. During the learning process, students were supported with electronic Learner Worksheets (e-LKPD) to facilitate adherence to the learning model's syntax. The results indicated a significant increase in students' critical thinking skills following the implementation of the PBLVCT model, with the experimental class showing a higher N-Gain value compared to the control class. Therefore, teaching Biology with an integrated character values through the PBLVCT model can enhance students' critical thinking skills, enabling them to address social issues in their environment and develop sustainable solutions that benefit both themselves and their communities. This research is expected to contribute to the development of teaching methods and curricula, particularly in enhancing and innovating the implementation of character education in schools.Keywords: Problem Based Learning Values Clarification Technique (PBLVCT) model, Critical thinking skills, Respiration system in humans.
Description Students' Misconceptions about the Concept of Motion in Sambas: Post Covid-19 Sudirman, Sudirman; Andriani, Riza; Widya, Widya
Journal of Natural Science and Integration Vol 6, No 2 (2023): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v6i2.19250

Abstract

This study aims to provide an overview of the misconceptions of 10th-grade high school students in the Sambas district on the concept of motion during a pandemic which is an evaluation of the teaching and learning process of physics during the pandemic (Covid-19). The method used in this study is a survey method with descriptive data analysis with the subject or sample in this study of as many as 223 10th-grade students, consisting of 4 schools with cluster sampling. Based on the data analysis, it can be concluded that the students' misconceptions are still experiencing confusion. If two objects have the same position, they should have the same velocity; and if the two objects have the same velocity, the student assumed that these two objects must have the same acceleration or vice versa. However, students are able to distinguish which ones are scalar quantities and which are vector quantities. As for impetus material, students assume that if an object has a motion, it must have a force acting upon this object. This is a contradiction with newton's first law. Also, it is believed that if the object moves in a circular path, a circular (impetus) force tends to move this object in its path. The highest misconception is in the concept of kinematic about velocity-position and concept of impetus. There is no different in student misconception before and after pandemic covid-19 so that in the future it still needs to improve physisc learning process and physics teacher competence to prevention student misconception.Keywords: misconception, motion, post-covid19

Page 19 of 19 | Total Record : 186

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