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SPEKTRA: Jurnal Kajian Pendidikan Sains
Published by Universitas Sains Al-Qur'an
ISSN : 24429910     EISSN : 2548642X     DOI : https://doi.org/10.32699/spektra.v11i2
Core Subject :
The SPEKTRA: Jurnal Kajian Pendidikan Sains is dedicated to all science practitioners about studies and research of science. Various topics that can be accepted in this journal are: Science Education, Science learning media, Evaluation of science learning, Science learning model, Applied science, Science-AlQuran
Arjuna Subject : -
Articles 90 Documents
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EFFECTIVENESS OF TEAM GAME TOUR APPLICATION OF CONTEXTUALISED ELECTRICITY KIT ON DYNAMIC ELECTRICITY MATERIAL TO IMPROVE STUDENTS' CRITICAL THINKING SKILLS Atthahiriyah Salsabila; Fakhruddin Z; Syahril Syahril
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 10 No. 2 (2024): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v10i2.7795

Abstract

In the 4.0 industrial revolution, students need to be able to think critically in order to keep up with the speed at which technology is developing. The purpose of this study is to compare students' critical thinking abilities in lessons using contextualized electrical KIT versus those using regular learning methods. A quasi-experiment with a control group limited to the post-test was the study methodology employed. This study used a sample of 73 students from experimental and control courses at SMP Negeri 23 Pekanbaru. Up to 10 items from the critical thinking ability post-test were used as the data gathering method. The findings demonstrated that the experimental class's average critical thinking abilities outperformed the control class's in every indication in terms of percentage of achievement. The experimental class's average percentage of achievement fell into the moderate group at 59.0%, whereas the control class's percentage fell into the bad category at 46.7%. Therefore, it can be said that using contextualized electrical KIT to teach dynamic electricity content helps students develop their critical thinking abilities.
THE APPLICATION OF CONSTRUCTIVISM LEARNING THEORY ON THE MOTIVATION AND QUALITY OF QUR'AN MEMORIZATION OF COLLEGE STUDENTS: Pengaruh Penerapan Teori Pembelajaran Konstruktivisme Terhadap Motivasi Dan Kualitas Hafalan Al-Qur’an Mahasiswi Citra Marlina; Nabella Dananier
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 10 No. 2 (2024): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v10i2.7799

Abstract

Education is an important part in the formation of qualified andcompetitive individuals. In the educational process, learning becomesthe core that influences students to internalize the knowledge andskills taught. In an effort to improve the effectiveness of learning,learning theory becomes an important foundation to consider. One ofthem is constructivism learning theory. This study focuses on theeffect of constructivism learning theory on motivation andmemorization quality using quantitative research methods. Themotivation and quality of memorization of female students areimproved through the approach of constructivism learning theory.Female students not only focus on memorizing the Qur'an, but also onunderstanding the context and significance of these concepts.Constructivism encourages individuals to make connections betweennew concepts and prior knowledge. The sampling technique usedpurposive sampling technique from a total population of 95 and thesample taken was 75 female students of the IAI Tazkia Hafidzpreneurprogram class of 2020. The results showed that Constructivismlearning has an influence on student motivation. This is evidenced bythe sig value of 0,000 which is smaller than 0,05 and the t value of10,396 is greater than the t table value of 1,993. While in the variableof Constructivism Learning Theory with Memorization Quality, thesig value of 0,000 is smaller than 0,05 and the t value of 10,283 isgreater than the t table value of 1,993.
keefektifan model pembelajaran problem based learning berbantuan audio visual untuk meningkatkan kemampuan kognitif dan kemampuan pemecahan masalah siswa pada energi alternatif Hana Putri Azzahra; Parlindungan Sinaga; Agus Danawan
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 10 No. 2 (2024): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v10i2.7801

Abstract

The aim of this research is to determine the effectiveness of the problem based learning model assisted by visual audio to improve students' cognitive abilities and problem solving abilities in alternative energy materials. The research method used is a quantitative quasi experimental design method. The population chosen in this research were class XI students at a private high school in the city of Bandung. The sample for this research consisted of 66 students. The sampling technique used was convenienc sampling. The instrument used consisted of 14 questions for cognitive abilities and 21 questions for problem solving abilities. The data analysis technique used to determine cognitive abilities and problem solving abilities uses N-Gain calculations. The results of the research showed that classes that applied the problem based learning model assisted by visual audio had higher increases in cognitive abilities and problem solving abilities compared to classes that only used the problem based learning model. In the experimental class, the N-Gain value for cognitive ability was <g> = 0.84, included in the "High" category and for problem solving ability <g> = 0.79, included in the "High" category. Meanwhile, the control class for cognitive abilities has an N-Gain value of <g> = 0.35, which is in the "Medium" category and for problem solving abilities of <g> = 0.58, which is in the "Medium" category.
IMPROVEMENT OF STUDENTS' SCIENCE PROCESS SKILLS IN SCAFFOLDING-BASED PROBLEM BASED LEARNING ON THE MATERIAL OF TRAVELLING WAVES AND STATIONARY WAVES Zahra Nadifa Elahi; Saeful Karim; Duden Saepuzaman
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 11 No. 1 (2025): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v11i1.7812

Abstract

The following study aims to investigate the improvement of students' science process skills in problem-based learning based on scaffolding, especially in the material of traveling waves and stationary waves. Using a quantitative method, the study included 35 students in class XI IPA from a public high school in Sukabumi city, which was determined using purposive sampling. The data collection process used pretest and posttest administered through science process skill assessment instrument. The N-Gain test was used to analyze the data. The study showed that there was a significant difference between the pretest and posttest scores after treatment, indicating an increase in students' science process skills supported by the normalized N-Gain value which was included in the moderate category. The increase in science process skills for indicators of observing, communicating, and concluding is categorized as moderate. While the increase for indicators of classifying, measuring, and predicting is categorized as high.
THE IMPACT OF FLASHCARD MEDIA ON STUDENT COGNITIVE IMPROVEMENT IN IPAS SUBJECTS AT ELEMENTARY SCHOOL Shafa Audrey Maharani; Dita Prihatna Wati
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 10 No. 2 (2024): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v10i2.7815

Abstract

In learning activities, problems are still found such as difficulties when explaining the material because there is no concrete learning media so that students' cognitive improvement is not optimal, cognitive abilities in elementary schools still need to be improved. This study aims to develop interactive learning media in the form of Flashcard to improve cognitive grade I elementary school students, with experimental and control types of research on quantitative approaches. The data collection method uses Pretest and Postest questions, with the research population of all 1A class students totaling 25 students and 1C totaling 20 students. The data collected was obtained by independent sample t test because the data was normal. This study concludes the use of Flashcard learning media for cognitive enhancement in class I, this is indicated by the sig value. 0.000 < 0.05 which indicates there is a difference before and after giving action. Therefore, it is stated that the initial hypothesis is rejected and the alternative hypothesis is accepted. So it can be concluded that Flashcard are feasible to use in helping students for the learning process so as to improve the cognitive of grade I elementary school students
ASSESSING INVENTIVE THINKING USING RASCH MODEL Eka Ad&#039;hiya; Maefa Eka Haryani; Rodi Edi; Diah Kartika Sari; Nadila Nur Savitri
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 11 No. 1 (2025): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v11i1.8009

Abstract

This study aims to analyze the inventive thinking of students in the chemistry education study program at Sriwijaya University using Rasch modeling. This study is a quantitative study with a cross-sectional study design. This study was conducted at the Chemistry Education Study Program, FKIP Sriwijaya University. The subjects of this study consisted of 159 students from 3 active student classes of the chemistry education study program in 2024. The results of the study were analyzed using the RASCH Model with the help of the WINSTEP application, namely 1) Validity analysis (Person and item fit) shows that the Person/item fit Mean Square (MNSQ) for the inventive thinking instrument is in the range of 0.5-1.5 so that it is included in the category of "productive to use," while the reliability analysis (Person and item reliability) shows the results that r> 0.91 so that it is reliable; 2) Inventive thinking analysis (Person measure analysis) shows the results that there are 135 participants who fit/meet the Rasch modeling criteria; 3) Analysis of data bias between student generations (DIF analysis) shows that DIF only occurs in item KV3, where the probability is <0.05. This indicates that item KV3 is detrimental or beneficial to a particular generation; 4) Analysis of the science-related attitude and inventive thinking categories (Logit value of person) shows that 4.06% are in the high category, 94.3% are in the medium category, and 1.64% are in the low category; 5) Analysis of differences in inventive thinking between generations (Independent t-test) shows that the calculated t is smaller than the t table value, so there is no significant difference. The results of this study can conclude that there is no significant difference in inventive thinking ability between student levels, and most students are in the medium category.
INSTANT NASI TUM INNOVATION WITH VARIATION MATERIAL TO IMPROVE CHEMICAL REACTION LEARNING PROCESS AND STUDENT PRENEURSHIP Purba Rhisma Sutikno; Sri Jumini; P Parmin; Mila Ariyani; Desty Putri Hanifah; Anisa Triyani
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 10 No. 2 (2024): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v10i2.8141

Abstract

Tum rice is a traditional food that is a commodity for the Wadaslintang community. This product can be processed and innovated into fast food. The aim of this research is to understand the concept of chemical reaction rates through the symptoms that occur during the process of making instant tum rice and developing it into a student entrepreneurial product. This research methods used a quantitative, using experiments, pretest and posttest, as well as product assessment methods involving experts. The results obtained are the creation of fast food tum rice, innovation in the form of fast food tum rice which is present to bridge the needs of a fast-paced lifestyle, making people tend to choose instant or fast food without sacrificing aspects of tradition and local wisdom, increasing students' understanding of chemical reaction pathways, as well as improving students' studentpreneur skills which is a strategic step to prepare them to face the challenges of the world of work and business in the future. The impact is that there is a tum rice instant solution that is long-lasting and can be prepared and enjoyed at any time. Instant tum rice is suitable for those who are busy and need fast food but still want to enjoy traditional tastes. Whether at home, the office or when traveling, instant rice tum can be a practical and filling food choice
ANTIBACTERIAL ACTIVITY TEST OF BANANA PEEL ESSENTIAL OIL AGAINST ESCHERICHIA COLI (E. COLI) BACTERIA IN BIOCHEMISTRY LABORATORYUM Diah kartika sari
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 11 No. 1 (2025): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v11i1.8172

Abstract

A study on the antibacterial activity of essential oil from banana peel was conducted. The research was conducted in a span of two months starting from sample collection, sample distillation process, and testing the antibacterial activity of essential oil. This study was conducted to determine the antibacterial activity of banana peel essential oil as a natural antibacterial against Escherichia coli (E. coli) bacteria considering the resistance of synthetic antibacterials to pathogenic bacteria. Isolation of essential oil in banana peel using steam distillation method and antibacterial activity test using disc paper method. The distilled essential oil was purified using anhydrous sodium sulphate (Na2SO4) to separate the oil from water and other impurities without affecting the purity of the essential oil. The results of the antibacterial activity test of banana peel essential oil against Escherichia coli (E. coli) bacteria with a concentration of 50% obtained an inhibition zone of 10.5 mm and at a concentration of 25% of 9.1 mm including the medium category. More than 50% of banana peel essential oil is thought to be more effective because at that concentration level, antibacterial compounds that have potential as antibacterial agents have reached sufficient levels.
MENJELAJAHI KEBUTUHAN E-MODUL FISIKA YANG TERINTEGRASI DENGAN ESD UNTUK MENINGKATKAN KESADARAN SISWA SMA TENTANG PEMANASAN GLOBAL PADA EKOSISTEM LAHAN BASAH Apit Fathurohman; Esti Susiloningsih; Kistiono Kistiono; Lintang Auliya Kurdiati; Ina Agustina; Lita Luciana
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 11 No. 2 (2025): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v11i2.8227

Abstract

The rapid advancement of technology and the pressing challenges of global warming demand innovative approaches in physics education to foster students’ sustainability awareness. However, current learning practices often fail to integrate these aspects effectively, creating a critical gap that must be addressed. The aim of this research is to identify the gaps in technology integration, sustainability awareness, and teaching materials in the context of physics education. This study employed a descriptive quantitative method involving 45 high school students and 3 physics teachers from a state high school in Ogan Komering Ulu Timur, as well as relevant teaching documents. Data were collected through questionnaires, document studies, and sustainability awareness assessments, and analyzed using descriptive statistics. The results revealed low integration of technology in physics learning, limited sustainability awareness among students, and insufficient alignment of teaching materials with sustainability topics. These findings underscore the urgent need for the development of ESD-integrated physics e-modules that bridge these gaps. It is concluded that such e-modules could significantly enhance students’ understanding of global warming and its impact on wetland ecosystems, and the study recommends further development of technology-based teaching tools, teacher training programs, and the creation of relevant educational materials to improve sustainability awareness among students.
THE VALIDITY AND FEASIBILITY OF A HANDBOOK ON THE PROPERTIES OF LIGHT AND REFLECTIONS INTEGRATED WITH 1-SIDE HOLOGRAM LEARNING MEDIA FOR MIDDLE SCHOOL STUDENTS Dwita Nahru Faradisa; Agung Mulyo Setiawan
SPEKTRA: Jurnal Kajian Pendidikan Sains Vol. 11 No. 1 (2025): SPEKTRA: Jurnal Kajian Pendidikan Sains
Publisher : Physics Education Study Program, Faculty of Education and Teacher Training, UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/spektra.v11i1.8841

Abstract

Based on the needs analysis conducted by the researcher, we found that 71% of students had difficulty with the properties of light and reflection material, and 75% of students preferred innovative books integrated with learning media over conventional books that were often used by teachers. Therefore, it is necessary to develop a handbook on the properties of light and reflection, which is integrated with 1-side hologram media. The purpose of this study was to develop and analyze the level of validity and feasibility of this handbook. The method used to develop the handbook is the ADDIE model (Analysis, Design, Develop, Implement, and Evaluate). To obtain the validity and feasibility, the instruments were developed and distributed to expert validators, teachers, and students. We succeeded develop the handbook and it was declared valid with a percentage of 81.5% and 95.2% from the material and media aspects. This product was also declared feasible with a percentage of 81.4% and 92.9% according to students and teachers. Therefore, these results indicate that the handbook on the properties of light and reflection integrated with 1-side hologram media has been declared valid and feasible to use in middle school students.

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