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Fatma Wati
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Departemen Pendidikan Ilmu Pengetahuan Alam, FMIPA, UNP Jl. Prof. Dr. Hamka, Air Tawar, Kota Padang
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SEMESTA: Journal of Science Education and Teaching
Published by Universitas Negeri Padang
ISSN : 25991817     EISSN : 25981951     DOI : https://doi.org/10.24036/semesta
Core Subject : Education,
Education Other
SEMESTA Journal of Science Education and Teaching is a journal that is managed by Department of Natural Science Education, Universitas Negeri Padang. First published in 2019 and regularly published twice a year. The script that is loaded is the original manuscript, not yet published in other publications. The editor receives from the author of researchers, lecturers, teachers, practitioners, and University students for submitting the result of studies and the prioritized results of research concerned with natural science education and natural science teaching, including the development of instruments for evaluation, development of instructional media, the development of learning model, and ethnosciences in learning.
Arjuna Subject : Umum - Umum
Articles 10 Documents
 1 
Search results for , issue "Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning" : 10 Documents clear
MAKING ORGANIC SOLID SOAP FROM PALM OIL, OLIVE OIL, AND PURE COCONUT OIL (VCO) WITH COFFEE POWDER AND COFFEE AROMA reica fadli
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.210

Abstract

Soap is one of the essential needs in everyday life. A mixture of olive oil, virgin coconut oil (VCO), and palm oil can be processed into soap bars using the cold process method. This soap making process involves the saponification reaction of oils and fats with NaOH. Cooking oil, as one of the commonly used sources of fatty acids, also plays a role in soap making. This research aims to utilize natural ingredients such as palm oil, olive oil, and VCO (Virgin Coconut Oil) in the production of solid organic soap. In addition, this research also investigates the impact of adding coffee powder on the texture, color, and aroma of the soap produced. The main focus of this research was to create high-quality soaps from natural ingredients, especially coffee, with the aim of providing beauty benefits and improving skin smoothness. During the research, it was found that the soap hardens within 2 weeks, while the total saponification process time requires 4-6 weeks for the soap to be safe for use. The significance of this research lies in understanding the effect of the mixture of palm oil, olive oil, and VCO in making soap bars, as well as the effect of adding coffee powder extract. The results of the study are expected to provide in-depth insight into the optimal formulation to create quality solid organic soap.
ANALYSIS OF STUDENT NEEDS FOR TEACHING MATERIALS BASED ON INTEGRATED ANDROID APPLICATIONS WITH DISASTER MITIGATION THEMES IN MIDDLE SCHOOL SCIENCE LEARNING Putri Reuni; Muhyiatul Fadilah; Skunda Diliarosta; Aulia Azhar
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.203

Abstract

Penelitian bertujuan untuk mengidentifikasi dan melihat kebutuhan siswa terhadap bahan ajar berbasis aplikasi Android terintegrasi untuk mitigasi bencana. Metode deskriptif dalam penelitian digunakan dengan pendekatan kuantitatif dan kualitatif. Sampel dalam penelitian ini adalah satu orang guru IPA yang mengajar di kelas VII dan 31 siswa yang diambil secara acak (random sampling) di SMP N 32 Padang. Hasil penelitian ini adalah (1) Media pembelajaran yang digunakan guru kurang maksimal, sehingga perlu adanya media pembelajaran yang dapat membuat proses belajar mengajar lebih efektif dan efisien serta dapat terjalin hubungan yang baik antara guru dan siswa. , (2) Perlu menggunakan media pembelajaran berupa buku digital. untuk diterapkan dalam pembelajaran IPA, (3) Pembelajaran dari kehidupan sehari-hari melalui pendidikan mitigasi bencana perlu diterapkan, karena dapat meningkatkan kesadaran dan dapat meningkatkan kewaspadaan siswa mengenai penanggulangan bencana sejak dini, dan (4) Media pembelajaran IPA dapat diperkuat dengan muatan kebencanaan sebagai upaya menyebarkan pesan mitigasi bencana, agar tercipta karakter kesiapsiagaan menghadapi bencana, karena siswa masih minim pengetahuan tentang mitigasi bencana. Kesimpulan dari penelitian ini adalah bahan ajar berbasis aplikasi Android yang terintegrasi dengan mitigasi bencana diperlukan untuk memaksimalkan proses pembelajaran dan dapat mengasah kesiapsiagaan siswa dalam mengatasi bencana.
PROCESSING PALM OIL AND COCONUT OIL INTO BAR SOAP WITH PAPAYA EXTRACT salsa nabilla
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.211

Abstract

Soap, as a cleaning agent, is produced through a saponification reaction between oil and a strong base (NaOH), producing glycerol as a by-product. In this case, experiments were carried out using the cold process method to explore making soap with the addition of papaya extract. This research also involves analyzing the quality of soap through organoleptic tests and acidity degree (pH) analysis. The organoleptic test results showed that the soap had an appropriate texture, sufficient foam, and an attractive color after dyeing. Implementation of the saponification reaction with NaOH requires precision and accuracy of measurements for the success of the process. Apart from that, the use of essential oils and the proportion of NaOH affect the quality of the soap. The curing process is carried out for ± 30 days to optimize the quality of the soap. This research aims to produce good quality soap, with a focus on evaluating organoleptic tests and acidity levels as indicators of success.
THE EFFECT OF CONTEXTUAL TEACHING AND LEARNING (CTL) MODEL WITH THE ASSISTANCE OF 3-DIMENSIONAL POWERPOINT-BASED ANIMATION ON CRITICAL THINKING SKILLS SCIENCE OF CLASS V STUDENTS) Fenny Putriyani
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.191

Abstract

One of the important skills for students to improve is critical thinking skills because it can make it easier for students to master the material and apply it in everyday life. However, based on research results, PISA results, and the findings of the Ministry of National Education, it shows that elementary school students' critical thinking skills in science subjects are still low. This is because learning is still teacher-centered and stimulus in the form of appropriate learning media is not used during the learning process. As an alternative to overcome this problem, teachers can use a contextual learning model (Contextual teaching and learning, CTL) with the help of Powerpoint-based 3D animation learning media. In this study, researchers used quantitative methods with experimental research types and Non-equivalent Control Group Design. The population of this study were all fifth grade students in Cibogo Village. The sample of this study consisted of 38 students from class V SDN 1 Cibogo and class V SDN Ciburial. Class V at SDN Ciburial was designated as the experimental class and class V at SDN 1 Cibogo as the control class.
MISCONCEPTION ANALYSIS OF HEAT EXPANSION AND TEMPERATURE MATERIAL IN CLASS VII JUNIOR HIGH SCHOOL STUDENTS Athiyyah Romiizah; Dira Luckya Helmi
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.204

Abstract

This study aims to describe the misconceptions of seventh grade students in science materials, especially temperature, heat, and expansion materials at SMP Negeri 28 Padang. The type of research used in this misconception research is descriptive quantitative. The sample in this study were 29 seventh grade students at SMP Negeri 28 Padang in the 2022/2023 academic year who had learned the concepts of temperature, heat, and expansion. The data collection technique used was a diagnostic test. The data analysis technique in this study consists of several steps, including classifying student answers to determine misconceptions about temperature, heat, and expansion material with a percentage of categories of understanding the concept, not understanding the concept, misconceptions, and guessing. Based on the results obtained, it can be concluded that there are several things that cause misconceptions, which include the lack of student interest in learning because it is influenced by the thought that learning science is difficult, the lack of teacher confirmation regarding concepts that students understand, the learning process that is still teacher-centered, and the absence of a fixed learning resource so that the teacher becomes the most dominant source of information for students.
STUDENT ANALYSIS OF THE SCIENCE PRACTICAL DEMONSTRATION VIDEO AT SMP N 8 PADANG Nada Muthiara Dhenil; Arief Muttaqiin
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.198

Abstract

The aim of this research is to analyze students’ knowledge, experience and interest regarding science practical demonstration videos, as well as students’ knowledge about critical thinking. Questionnaire was used to collec the data. Data analysis was carried out by the descriptive statistics. The research result show that 58% of students are interested in the video, 58% of students experience difficulties if they do not use practical videos in learning, 17% of students have already carried out practical work, 25% of students already know about practical demonstration videos and 92% of students are enthusiastic if teachers use these videos as learning media. From the aspect of students experience and knowledge about critical thinking, 8% of students have heard about critical thinking and 25% of students already know that critical thinking is. In the aspect of students’ interest in practical demonstration video, 83% of students are interested in learning using video demonstrations and 100% of students agree that the video contains a demonstrator, voice acting, animation, images, supporting text and backsound.
The Development of Integrated Science E-Module on the Theme of Loving God’s Earth Integrated with the Qur’an and Hadith in Madrasah Tsanawiyah Nilam Sari
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.206

Abstract

Developing moral values to nature through Integrated Science lessons is a strategic tool, especially in Madrasah Tsanawiyah (MTs) where learning moral values to nature in Integrated Science learning can be based on the Qur'an and Hadith. The Earth's Layer and its Development is one of the science learning materials that can be integrated with the Qur'an and Hadith, through integrated teaching materials that use themes and follow the development of the current digital era, where teaching materials will be easier to use and efficient if they are digital. This study aims to produce teaching material products in the form of integrated science E-Modules with the theme of Loving Allah's Earth integrated with the Qur'an and Hadith in Madrasah Tsanawiyah which are valid and practical. The type of research used is Research and Development (R&D) with product development using three stages of the 4-D model, namely define, design, and development. The results of data analysis obtained from the validity test obtained an average value of 0.88 with a very valid category, and the results of the practicality test obtained an average value of 0.99 by teachers and an average value of 0.88 by students with a very practical category.
THE EFFECT OF THE PROJECT BASED LEARNING (PjBL) LEARNING MODEL ASSISTED BY PERFORMANCE ASSESSMENT ON THE LEARNING OUTCOMES OF GRADE VIII JUNIOR HIGH SCHOOL STUDENTS CONSTRUCTION OF UNP LABORATORIES ON ORGAN SYSTEM MATERIAL Gita Widya Sari; Azza Nuzullah Putri; Yurnetti Yurnetti; Arief Muttaqiin; Rani Oktavia
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.200

Abstract

Kurikulum merdeka was implemented in 2022. The characteristics of the kurikulum merdeka were the development of soft skills and character, focus on essential materials, and flexible learning. The low learning outcomes of students were still a problem. One of the efforts that can be done was to apply the Project Based Learning (PjBL) model assisted by performance assessment. This study aimed to determine the effect of the Project Based Learning (PjBL) model assisted by performance assessment on the learning outcomes of grade VIII students on organ system material. This type of research was Quasi Experiment, with a Non Equivalent Control Group Design research design. The sampling technique used was total sampling. The experimental class used the Project Based Learning (PjBL) model assisted by performance assessment while the control class used conventional methods. Based on the hypothesis test with the t test, the calculated value = 2.654 and ttable = 2.006. From the data shows that if tcalculate > ttable, h1 was accepted, it was concluded that there was an influence of the Project Based Learning (PjBL) model assisted by performance assessment on the cognitive learning outcomes of grade VIII students on organ system material.
LATEST INNOVATION: ECO-FRIENDLY SOLID SOAP FROM COCONUT, PALM, AND OLIVE OILS Ridona Zulyeni Putri
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.209

Abstract

Natural soaps made from vegetable ingredients are increasingly popular nowadays, especially those known as natural soaps. The vegetable oil content of plants makes it called natural) and its advantage lies in its ability to moisturize the skin without leaving potentially harmful chemical residues. The research method used is a laboratory experimental method using descriptive analysis, so that it can provide information regarding the manufacture of solid soap. In this research on making solid soap, a pH test analysis or degree of acidity was carried out. pH is used to determine the alkaline and acidic levels of a solution. Acidity is the concentration of hydrogen ions in the water solvent. Soap that has a high pH occurs due to soap hydrolysis. A good soap pH value is soap that has a pH of around 7. Organoleptic testing on solid soap that has been made is carried out by observing the aroma, amount of foam and texture of the soap. This test aims to determine the quality of the soap that has been made. Making organic solid soap is expected to be able to produce products that are safe and of course comfortable for the skin without any side effects and are environmentally friendly. Soap that has a high pH occurs due to soap hydrolysis.
IDENTIFICATION OF STUDENT INTEREST IN LEARNING AT SMP N 25 PADANG Dira Luckya Helmi; Arief Muttaqiin
SEMESTA: Journal of Science Education and Teaching Vol 6 No 2 (2023): Journal of Science Education Teaching and Learning
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta.v6i2.201

Abstract

Science learning at this time is one of the lessons that according to some students is classified as fun and there are also some who think science is a difficult lesson. On this basis, this study aims to identify students' interest in learning at SMP N 25 Padang. This research is a descriptive research. The research subjects were class VIII students. The data of this study were obtained through questionnaires distributed to VIII grade students of SMP N 25 Padang. The questionnaire data was analyzed with descriptive statistics. After reviewing several previous studies, it shows that if the learning design is adjusted to students' learning interests, then learning can run optimally. The results of this study show that students prefer the group discussion method in learning. In addition, students also feel more active when given challenging questions. Then, students feel interested in learning science if there are practicum activities (experiments) in it.

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