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LAVOISIER: Chemistry Education Journal
Published by Institut Agama Islam Negeri Padangsidimpuan
ISSN : -     EISSN : 28306279     DOI : DOI: https://doi.org/10.24952/lavoisier.v1i2
Core Subject : Science, Education, Social,
Chemistry Social Sciences Other
LAVOISIER: Chemistry Education Journal, is a journal of chemistry education published by the Department of Chemistry Education, Faculty of Education and Teacher Training, UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan. This journal provides readers with present developments in chemistry education through the publication of articles and research reports. All articles will be reviewed (double-blind) by experts before being accepted for publication. Each author is responsible for the content of published articles. LAVOISIER: Chemistry Education Journal focused on the study result in the field of chemistry education. This journal encompasses original research articles, including: Teaching & Learning in chemistry education Material Learning in chemistry education Learning Media/Multimedia in chemistry education Evaluation & Assessment in chemistry education Higher Order Thinking Skills in chemistry education Science, Technology, Engineering, and Mathematics (STEM) Education Chemical Content Learning Strategy in chemistry education School Laboratory Experiment in chemistry education Integrating Islamic Values with Chemistry All articles will be reviewed by experts before being accepted for publication. LAVOISIER: Chemistry Education Journal is published twice a year, in June and December. The journal is open to authors around the world regardless of nationality. E-ISSN : 2830-6279
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 49 Documents
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The Influence of Computation Implementation in Chemistry Basic Courses on Chemistry-Biology Pre-Service Teachers of UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan Nasution, Annisa; Hasibuan, Fadli Mahmul; Simanjuntak, Rizki Agus Salim
LAVOISIER: Chemistry Education Journal Vol 2, No 2 (2023): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v2i2.8604

Abstract

This study aims to determine the effect of the implementation of computation through the experimental test method on the skills of students majoring in Tadris Biology UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan 3rd semester. This type of research is experimental research with a pretest-posttest control group design. Sampling was carried out using cluster random sampling technique. The population in this study were students of Tadris Biology at Uin Shahada Padangsidimpuan, with a sample of Tadris Biology students at UIN Syahada (experimental class) and Tadris Biology students at Uin Shahada Padangsidimpuan Semester 3 (control class). The instrument used was a process skill test in the form of reasoned multiple choice which was first tested for validity, reliability. The results of the pretest homogeneity test showed the initial ability of the experimental class and homogeneous control, so that the effect of the treatment was the result of the posttest. So, it can be concluded that there is an effect of computer-based learning through experimental methods on the influence of the implementation of computing in basic courses on students of Tadris Biology at Uin Shahada Padangsidimpuan.
The Analysis of Guided Inquiry Learning Model to XI Grader’s Motivation on Thermochemistry Azzachra, Alya Shifa Shifa; Hidayah, Fitria Fatichatul Fatichatul
LAVOISIER: Chemistry Education Journal Vol 3, No 2 (2024)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v3i2.12850

Abstract

Consistent learning is generally based on great curiosity, a drive of need or pressure that makes one inevitably have to recognise new things. The consistency of student learning ultimately requires the main driver commonly referred to as learning motivation. In addition to student learning motivation, careful learning preparation with the application of interesting learning models can be another success factor in education, one of these learning models is the guided inquiry model. The research method used is qualitative with a descriptive approach. The research subject chosen was class XI students in one of the high schools in Semarang City and the sample was all class XI students totalling 36 students consisting of 15 male students and 21 female students, with an age range of 16-18 years. The object of the research is the analysis of guided inquiry learning model on the interest in learning chemistry, especially thermochemistry material. The results showed that 47.2% of students strongly agreed that they had learnt many thermochemistry materials related to daily life. 61.1% of students strongly agree that they have applied the concept of thermochemistry in everyday life, for example by heating water, cooling water, and so on. 30.6% of students disagreed that they had difficulties in learning chemistry materials related to daily life. 91.7% of students answered that learning in the laboratory can maintain their interest in learning, especially in thermochemistry material. Therefore, this guided inquiry learning model is effective to maintain students' learning motivation supported by laboratory facilities.
"OK KETUK": Improving Students' Understanding of Periodic System of Elements Material Through Learning Media Supatmi, Sri
LAVOISIER: Chemistry Education Journal Vol 3, No 1 (2024): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v3i1.11131

Abstract

This study aims to improve students' understanding of the material on the periodic system of elements through OK KETUK learning media. OK KETUK is a learning medium for the periodic system of elements that combines element cards and the periodic table. This medium is played by shuffling the cards, determining the electron configuration, period, and group of elements on the front of the card, doing problems on the back of the card, and placing the elements on the periodic table. This research is classroom action research conducted in two cycles. Each cycle consists of planning, implementing, observing, and reflecting. The research subjects were students of class X IPA 1 SMA Santo Yakobus Jakarta for the academic year 2019/2020, with 24 students, consisting of 12 male and 12 female students. The instruments used in this study consisted of learning outcomes tests, teacher and student activity observation sheets, interviews, and field notes. The results showed that OK KETUK learning media could improve students' understanding of the material on the periodic system of elements. The average score increased from 64.79 with 37.50% learning completeness in the first cycle to 83.44 with 91.67% learning completeness in the second cycle at KKM 70.00. Based on the results of the study, the use of OK KETUK learning media can improve students' understanding of the material for the periodic system of elements.
LKPD Based on Phenomenon Based Learning (Phenobl) for Mastery of 21st Century Skills on the Material of Colligative Properties of Solutions for Class XII SMA/MA Equivalent Abdullah, Abdullah; Rasmiwetti, Rasmiwetti; Rahmi, Ainul
LAVOISIER: Chemistry Education Journal Vol 3, No 2 (2024)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v3i2.13073

Abstract

Learning is an effort to provide stimulation, guidance, direction, and encouragement to students so that the learning process occurs which is characterized by changes in student behavior as a result of student interaction with the environment. The observation results explained that the 21st century skills possessed by students were still low. One of the causes of low 21st century skills possessed by students is the lack of active involvement of students in the learning process and the lack of orienting phenomena related to chemical concepts. Therefore, to develop 21st century skills, a learner-centered learning model such as Phenomenon based learning model is needed. This research is a development research using the 4-D model. The research aims to produce LKPD based on phenomenon based learning on colligative properties material. The results of e-module validation by material and media validators are considered very valid in terms of content feasibility, presentation aspects, linguistic aspects, graphical aspects, aspects of phenomenon-based learning characteristics, display aspects, and software utilization aspects with a percentage of 100%, 97.5%, 91.67%, 100%, 82.5%, 94% and 100% respectively. This LKPD is in the very valid range with a score of 94.74%, so this LKPD has been confirmed valid and can be tested.
Validity and Reliability of Test and Non-Test Research Instruments on Chemical Bond Materials Riswana, Syah Nurul; Nasution, Haqqi Annazili
LAVOISIER: Chemistry Education Journal Vol 3, No 1 (2024): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v3i1.11392

Abstract

This research aims to determine the feasibility of research instruments through the validity and reliability of test and non-test instruments on chemical bonding materials. The instruments tested were in the form of multiple-choice questions, and the non-test instruments were in the form of questionnaires. Validity and reliability testing aims to determine the suitability of the test instrument. The test instruments aim to measure learning outcomes, and the non-test instruments aim to measure students' motivation for chemical bonding material. Validity and reliability testing of the test instrument was carried out by testing content validity with expert validators and small-scale field trials with students in class XI Science 1 at SMA Negeri 14 Medan. Non-test instrument testing was carried out through content validation tests on three expert validators. The research results showed that of the 40 questions, there were 28 valid questions, and the reliability test obtained r-11 = 0.85 and was included in the high reliability category. At the difficulty level of the questions, the number of questions in the difficult category was 5; 24 in the medium category; and 11 in the easy category. Then, regarding the differentiating power of questions in the good category, the number obtained was 25, and in the bad category, the number obtained was 15. The percentage of eligibility for non-test instruments obtained was 90%, which is a feasible criterion.
Utilization of Maizena Flour as a Basic Material for Making Bioplastics Ruhendi, Raditya Adinaka; Fauzi, Siska
LAVOISIER: Chemistry Education Journal Vol 2, No 2 (2023): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v2i2.8760

Abstract

Plastic is a widely used packaging material, but has a negative impact on the environment because it is difficult to decompose in nature. Many experts have developed technologies for the production of biodegradable plastics orbioplastics made from natural and environmentally friendly materials. Starch-based biodegradable plastics are easier to produce and access to raw materials is easier to obtain. So in this research an experiment was carried out using cornstarch as a base ingredient for making bioplastics. Examined with quantitative methods through experiments obtained results of comparisons of differences in water concentrations and differences in glycerin concentrations.Then a mechanical test was carried out to see the ability to decompose bioplastics with water. After conducting research on the use of bioplastics from cornstarch as asubstitute for plastic, it can be concluded that the best bioplastic produced is at a Glycerin Concentration of 5 mL and a Water Concentration of 100 ml.
Application of Inquiry-Based Learning Model to Improve Student Learning Outcomes on Redox Reaction Material for Class X Students at MAS Al-Khoir Nasution, Annisa; Siregar, Nur Fauziah; Hasibuan, Nur Azizah Putri
LAVOISIER: Chemistry Education Journal Vol 3, No 2 (2024)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v%vi%i.11391

Abstract

This study aims to see the results of the application of the Inquiry-Based Learning Model in improving student learning outcomes in Redox Reaction subject matter for Class X Mas Al-Khoir Mananti Sosa Jae Village, Kec. Huta Raja Tinggi, Kab. Padang Lawas. The type of research used in this research is Classroom Action Research. Mas Al-Khoir Mananti Sosa Jae Village, Kec is the location used in this research. Huta Raja Tinggi, Kab. Padang Lawas. Data collection instruments are through tests and observations. The analysis method used in this research is quantitative analysis. Based on the results of the study show that there is an increase in student learning outcomes with the application of an inquiry-based learning model of redox reaction material for students of grade X from pre-cycle, cycle I to cycle II. Where the percentage of students who completed was 25% in pre-cycle, then increased in cycle I session 1 to 33.4%, then increased in cycle I session 2 to 60%, then increased in cycle II to 86.7%. The percentage of students who did not complete decreased from 75% in the pre-cycle, decreased to 66.6% in Cycle I Session 1, decreased to 40% in Cycle I Session 2, and decreased to 13.3% in Cycle II. The average score of the students increased from 54.3 before the cycle, then increased from 59.3 in cycle I to 68, then increased to 80 in cycle II. Following the indicators of success of this action, where students have passed the KKM (≥7).
Literature Review: Application of Gamification in Puzzle-Assisted Chemistry Learning on the Periodic System of Elements Daulay, Rabiah Afifah; Khairiansyah, Azli; Ramadhani, Abidah; Yurinda, Aisya; Marsyah, Aralia Putri; Chandra, Yogi
LAVOISIER: Chemistry Education Journal Vol 4, No 1 (2025)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v4i1.15010

Abstract

This research explores the use of gamification in chemistry education by incorporating puzzles into the study of the Periodic System of Elements. Gamification, which integrates game-like elements into non-gaming contexts, aims to boost students' motivation and improve their academic performance. In chemistry learning, gamification can transform the educational experience into a more engaging and stimulating one, particularly for challenging subjects like the Periodic System of Elements. Puzzles serve as a gamification tool that can enhance students' interest and facilitate a better understanding of complex chemistry concepts through interactive engagement. The study utilizes a literature review approach to gather and analyze various relevant articles, revealing that puzzle-based learning can enhance student participation, alleviate anxiety, and promote teamwork. The results suggest that employing gamification through puzzles not only deepens students' comprehension of fundamental chemical principles but also cultivates a favorable attitude towards learning chemistry. Consequently, the use of puzzles in gamification is recommended as a valuable and enjoyable educational strategy.
Web Media in Combined Guided Inquiry Learning Lesson Study on Creative Thinking and Student Learning Outcomes Matondang, Silvia Elastari
LAVOISIER: Chemistry Education Journal Vol 3, No 1 (2024): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v3i1.10785

Abstract

This research aims to determine the creative thinking skills of students who are taught using web media, guided inquiry learning combined with lesson study, which is higher than without using web media. And knowing that the learning outcomes of students taught in guided inquiry learning combined with lesson study using web media are higher than without using web media. The research population was students of class XI Science High School. The sampling technique was simple random sampling consisting of two classes, namely experimental and control with a total sample size of 76 students. This research instrument is a creative thinking test and student learning outcomes. Data analysis techniques are carried out by calculating the level of concept understanding, testing data homogeneity, normality testing and hypothesis testing. The results of the research show that the learning outcomes and creative thinking of students taught in combination lesson study inquiry learning using web media with an average gain of 0.71 and an average of 75.46 compared to without using web media with an average of 0.60 and 55. .20 with significance (0.00 0.05). 
The Impact of Guided Inquiry Learning on Student Performance in Electrolyte and Nonelectrolyte Materials: A Case Study at SMA Negeri 1 Batang Onang Harahap, Shintia Putri; Nasution, Mariam; Siregar, Nur Fauziah
LAVOISIER: Chemistry Education Journal Vol 3, No 2 (2024)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v3i2.13367

Abstract

This study aims to see the effect of the Guided Inquiry Learning Model on Student Learning Outcomes on the Material of Electrolyte and Non-Electrolyte Solutions of Class X Students at SMA Negeri 1 Batang Onang. The learning outcomes of high school students in chemistry are still relatively low, one of which is caused by the dominance of teachers in a less innovative learning process that makes students passive. The research was conducted at SMA N 1 Batang Onang with a research sample of two classes: class X MIA-2 (control class) with 16 male students and 12 female students, and class X MIA-3 (experimental class) with 14 male students and 13 female students. This research method is an experiment with a non-randomized group pre-test post-test design. The instrument used was an essay test of 5 questions. The results showed a significant increase in student learning outcomes after the application of the guided inquiry learning model. In conclusion, the guided inquiry learning model is effective in improving student learning outcomes in chemistry learning. The results of hypothesis testing using T Test (Independent Sample t Test). This is evidenced based on the calculation of hypothesis testing with an average test taken from the pretest and posttest scores that the results of the posttest independent sample t test with a significant level value (α = 0.05) obtained a significant value (2-tailed) of 0.008. The significant value (2-tailed) obtained is smaller than 0.05, so H0 is rejected and Ha is accepted. This shows that there is an effect of guided inquiry learning model on student learning outcomes in the material of electrolyte and non-electrolyte solutions in class X SMA N 1 Batang Onang.

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