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All Journal Jurnal Ilmu Pendidikan Jurnal Pendidikan IPA Indonesia Jurnal Penelitian Hasil Hutan Biocelebes PROSIDING SEMINAR KIMIA Jurnal Dinamika Pendidikan Jurnal Tadris Kimiya Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Akademika Kimia Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Penelitian Hasil Hutan Jurnal Pengabdian kepada Masyarakat Nusantara PTK: Jurnal Tindakan Kelas Jurnal Akademika Kimia Edu Research : Jurnal Penelitian Pendidikan Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Jurnal Banua Oge Tadulako Jurnal Akademika Kimia Jurnal Pendidikan MIPA Indonesian Journal on Learning and Advanced Education (IJOLAE)

Ijirana

Chemistry Education Study Program, Teacher Training, And Education, Tadulako University

Author-ID : 493015

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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The Ability of Chemistry Problem Solving of Senior High School Students in Palu Sulawesi Tengah Ijirana Ijirana; Sitti Aminah; Supriadi Supriadi; Detris Poba
Jurnal Akademika Kimia Vol. 10 No. 2 (2021)
Publisher : Universitas Tadulako

The research is purposed to describe the problem-solving ability of the Senior High School XI grader students in Palu city. The measurement of the problem-solving ability could be determined by solving the exercises of Hydrocarbon and Thermochemistry topics using the Polya’s sequences; consisting of understanding the problem, devising, doing the plan, and evaluating. The ability of students’ problem solving is classified well in every sequence in case of the number of high category students is 60%. The samples are 240 of 507 XI grade students learning chemistry in SMAN 3 and SMA Madani Terpadu in Palu City. The data of problem-solving is determined by providing a test in the form of a validated assay. The result shows the average of XI graders in Palu City only capable of solving the problem without understanding, devising, and evaluating while solving hydrocarbon topics. The ability is not even possessed by students in Thermochemistry. It implies that senior high school students in Palu could not represent the problem in the form of figure, symbol, statement, and mathematics statement or have not been able to devise the problem solving and correlate the obtained result with the related theory or concept. Therefore, the students should be trained to solve the problem in learning by application the problem-solving sequences.

Application of Discovery Learning Model to Improve the Understanding Concept of High School Students on Buffer Topic Nurfauzia Nurfauzia; Ijirana Ijirana; Suherman Suherman
Jurnal Akademika Kimia Vol. 10 No. 1 (2021)
Publisher : Universitas Tadulako

This study aimed to describe the increase in understanding of students in class XI SMA 7 Palu on the buffer solution material after applying the discovery learning model. This type of research was pre-experiment with the design of one group pre-test-post-test. This study was conducted in two replication classes, namely, class XI MIA 1 as replication class 1 (n = 26) and class XI MIA as replication class 2 (n = 24). Testing of the data from research results data used descriptive statistical analysis of the understanding concept. The criteria for understanding the concept was good if the percentage of students who have the category of moderate, high, and very high is not less than 60%. The data results of analysis understanding of each concept obtained in the replication class 1. The concept of buffer, score 65. 38% increased to 96.15%. The concept of the properties of the buffer score 3.84% increased to 96.15%. The concept of acid-base buffer solution, score 0% increased to 92.3%. The concept of pH acid buffer, score 0% increased to 88.46%. The concept of pH base buffer, score 0% increased to 84.61%. In replication class 2, the concept of buffer solution score is 20.83%, increased to 91.66%. The concept of acid and base buffer solution, score 12.5% increased to 91.66%. The concept of pH base buffer, score 4.16% increased to 83.33%. The results of the analysis showed that there is an increase in understanding the good concept by applying the discovery learning model in the buffer material.

Application of CORE Learning Model with Molymod-Assisted on Hydrocarbon Material to Improve the Students’ Learning Outcomes Gleryl F. Novemly; Mery Napitupulu; Ijirana Ijirana
Jurnal Akademika Kimia Vol. 11 No. 1 (2022)
Publisher : Universitas Tadulako

This study aimed to describe the improvement of learning outcomes by applying the learning model of Connecting, Organizing, Reflecting, Extending (CORE) with molymod-assisted hydrocarbon material of class X students of SMA Labschool UNTAD Palu. This type of research was experimental designs with one group pretest-posttest design. This study used 2 classes, namely class XA as replication class 1 (n = 26) and class XB as replication class 2 (n = 27). The students' learning outcomes were affective, psychomotor, and cognitive aspects. In replication class 1, the value of student learning outcomes was 71.37, while in replication class 2 was 66.00. The data analysis results showed increased student learning outcomes after using the Molymod-assisted CORE learning model in both classes. So it can be concluded that applying the Molymod-assisted CORE learning model on hydrocarbon materials can improve student learning outcomes for class X SMA LABSCHOOL UNTAD Palu.

Study of Conceptual Change in Chemistry for Class XI Science High School Students Hartarti Uminah; Ijirana Ijirana; Siti Nuryanti
Jurnal Akademika Kimia Vol. 11 No. 2 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2022.v11.i2.pp77-82

Varied initial concepts can be an obstacle or support in understanding a new concept. The study of changes in students' chemical concepts was carried out on thermochemical material. This study aimed to examine changes in students' thermochemical concepts in each subject of high, medium, and low ability. Qualitative descriptive research with mixed methods was conducted on SMAN 1 Bumi Raya Morowali, Central Sulawesi students. The study began by giving an initial test to all students of class XI IPA 1 and 2, as many as 60 students, to obtain initial concept data and the basis for grouping subjects on each ability criterion (high, medium, and low). Every two people from each ability group in semi-structured interviews. Thermochemical material is re-taught using a metacognitive skill learning model and given a final test and interview to get concept data after learning to assess conceptual changes. Five concepts become variables in this study: the heat of reaction, enthalpy of reaction in a calorimeter, Hess's law, energy diagrams, and bond energies. The results showed that concept changes occurred in all high, medium, and low ability subjects. Changes in students' conceptions occurred in the concepts of the heat of reaction, reaction enthalpy, calorimeter, Hess's law, energy diagrams, and bond energy. The most significant conceptual change occurred in the subject of medium ability and low ability, namely the concept of bond energy.

Pelatihan Pengembangan Perangkat Pembelajaran Berbasis Hots Dan Tpack Bagi Guru Sekolah Calon Mahasiswa PPG Tri Santoso; Ijirana; Sitti Aminah; Magfirah; Sri Mulyani
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 3 No. 2.1 Desember (2022): SPECIAL ISSUE
Publisher : Cv. Utility Project Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar

Professional teachers must have the ability to develop innovative learning tools that apply the latest learning elements in the 21st century, including TPACK and HOTS. During the program of PPG on the course of developing innovative learning tools, it was found that teachers in elementary, junior high, and high school/vocational, had never gained knowledge regarding the types of innovative learning designs that apply the latest learning elements in the 21st century, especially TPACK and HOTS. Therefore, training on the HOTS and TPACK-based learning tools was carried out. After the training, it was found that the teacher's ability had increased in developing HOTS and TPACK-based learning tools and the participants' responses is good during the training included activeness, participation, motivation, mastery, skills, especially attendance. But questioning skills need to be retrained

Culturally Responsive Chemistry Teaching (CRCT) of College Students as A Novice Teacher: Does It Matter? Atiek Winarti; Almubarak Almubarak; Parham Saadi; Ijirana Ijirana; Siti Aminah; Ratman Ratman
Jurnal Tadris Kimiya Vol 7, No 2 (2022)
Publisher : Department of Chemistry Education, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/jtk.v7i1.20676

Culture is an essential part of human life; cultural involvement in learning can train students to find the meaning of life, including the contribution of chemistry in the cultural context of society. Teachers reported that they struggle to meet students' needs relevant to differences in culture and ability. The study aimed to investigate college students' understanding of chemistry by involving their culture with various methods, including transformative teaching and problem-solving. The research method used descriptive with a qualitative approach. The data collection techniques were projects, interviews, observation, and questionnaires. The findings revealed that the learning process involving cultural aspects could show the contribution of chemical elements in society, especially the formation of scientific cognition. Culturally responsive chemistry teaching is an innovative learning approach to training college students' understanding (novice teachers). The research concludes that a good chemistry teacher can understand the needs of students, especially knowing their cultural background. To effectively teach from diverse backgrounds, schools need teachers who understand the impact of student's home and community cultures on their educational experience. This research can also develop an instructional design, train novice chemistry teachers’ teaching skills, and develop curriculum.

Analisis Jenjang Metakognisi Berdasarkan Jenis Kelamin Siswa SMA Negeri 1 Dampal Selatan Memecahkan Masalah Termokimia Hariani Hariani; Ijirana Ijirana; Suherman Suherman; Meida Esterlina Marpaung
JURNAL BANUA OGE TADULAKO Vol 2 No 1 (2022)
Publisher : Universitas Tadulako

In the process of studying chemistry there is a demand for the development of scientific thinking skills. In the process of developing scientific thinking skills, this means that there is a process of growing problem-solving skills. Problem-solving abilities are closely related to metacognition. This study aims to analyze and describe the relationship between the level of metacognition and gender of students. This research was conducted at SMA Negeri 1 Dampal Selatan with 90 students as research subjects. This research is a qualitative descriptive study so that the data is in the form of essay test results. The results of the essay test were grouped by gender, then analyzed and determined by the level of metacognition based on indicators of metacognition level. The results obtained from this study are female students are more active and have a higher level of metacognition than male students.

Application of Cooperative Learning Model Type Teams Games Tournament (TGT) with Demonstration Based to Improve the Learning Outcomes of Colloid Topic in Student Class XI SMA Negeri 7 Palu Nur Intan; Minarni R. Jura; Ijirana Ijirana
Jurnal Akademika Kimia Vol. 8 No. 3 (2019)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2019.v8.i3.pp141-146

This study aimed to obtain a description of implementation on student’s learning outcomes the application of cooperative learning model of TGT based on demonstration Class XI on colloid material in SMA Negeri 7 Palu. The type of research used in this research was pre-experimental designs (non-designs) with research design that was one-group pre-test post-test design. Sampling in this study was chosen by purposive sampling. The sample consisted of two classes, class XI IPA 1 as experimental class 1 (n = 28) and class XI IPA 2 as experiment class 2 (n = 29). Student learning outcomes were processed using inferential statistical analysis of the Wilcoxon Rank-Unparpulated Ranking nonparametric test. The results showed that the experimental class 1 was Zcount (-4.62) <Ztable (-1.96) and experiment 2 was Zcount (-4.70) <Ztable (-1.96). The effectiveness of the implementation of learning model of TGT based on demonstration to words student learning outcomes can also be seen from the assessment of student learning outcomes with the average posttest score for experimental class 1 was 83.29 and experiment class 2 was 80.86 with the result of N-gain calculation for both experiment class included in high category that was equal to 0.83 and 0.85. So it can be concluded that the implementation of learning model of TGT based on demonstration can improve student learning outcomes with average greater than 75 on colloid material in SMA 7 Palu.

Crude Bromelain Enzyme Activities Based on Maturity Level of Pineapple Detris Poba; Ijirana Ijirana; Jamaludin Sakung
Jurnal Akademika Kimia Vol. 8 No. 4 (2019)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2019.v8.i4.pp236-241

Utilization of pineapple is always focused on consumption for fresh fruit and animal feed. many people do not know the other benefits of pineapple. The presence of protease enzymes in it, increasing its utilization. The enzyme is bromelin, which can be obtained by isolating it from pineapple. For this reason, the aim of this study is to isolate the crude bromelain enzyme based on the maturity level of pineapple and then test its proteolytic activity. Pineapple was blended, then the filtrate was deposited, then centrifuged to obtain crude bromelain which is dried by the drying method and tested for its activity using milk substrate. The results showed that old pineapple is the best level of maturity and the sun is the best drying method with proteolytic activity of 0.053 and 0.056 MCU/mg respectively. Its optimum activity is pH 5.8 and 55 oC.

Sparkol Videoscribe Usage on Colloid Material as a Media for Chemistry Education Reni Septiani; Supriadi Supriadi; Ijirana Ijirana
Jurnal Akademika Kimia Vol. 9 No. 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2020.v9.i1.pp47-52

This research method was research and development (R & D), which purposed to obtain the sparkol videoscribe designs of colloidal material and the validity of designs that were reviewed by experts as theoretical experts. The object of this study was sparkol videoscribe. Data collection was divided into two, namely media design data and media validity that were designed by using assessment sheets from 5 experts, 3 people were the learning media experts and 2 people were the chemical material experts. Data were analyzed descriptively to determine the justification of the validity of the research object. The results of the data analysis obtained that sparkol videoscribe design of material colloid had characteristics, namely images, moving hand animation, music, explanation of material in the form of sound and the composition of sentences incorporated in whiteboard animation. The designs were declared valid with a very good category according to experts and can be used as a chemistry education media with a score of 3.7 based on the total score of the instructional media experts and 3.45 based on the total score of the chemical material experts.

Co-Authors AA Sudharmawan, AA Ahmar, Dewi S. Almubarak Almubarak Anastasya, Anastasya Anna Kurnia Aprilina Rizqi Auliya AR, Rommy Atiek Winarti Baharuddin Paloloang Damayanti, Alfina Detris Poba Detris Poba Elyas Djufri Esterlina Marpaung, Meida Ficiyarni Gleryl F. Novemly Haeruddin Haeruddin Hariani Hariani Hartarti Uminah Hendri Hermawan Adinugraha Hengki Abram, Paulus Hermin Ika Kartika Indra, Pande Irna Cahyani Jamaludin M Sakung Jusman Mansyur Kasmudin Mustapa Lilin Nurjanah Magfirah Magfirah Magfirah Magfirah, Magfirah Mailili, Wahyuni Mappiratu Mappiratu Marvina, Vivien Mery Napitupulu Minarni Rama Jura Misnah Misnah Muh. Rizal Muh. Rizal Nur Intan Nurbaya Nurbaya, Nurbaya Nurfauzia Nurfauzia Nurvita Pajri, Nur Parham Saadi Paul Rumondor Prasetio, Budi Rahayu, Melani Ramadhan , Moh. R. Ratman Ratman Ratman Ratman Reni Septiani Rizall, Muhammad S. Supriadi, S. Sarintan Nurcahyati Kaharu Siti Aminah Siti Nuryanti Sitti Aminah Sitti Aminah Sitti Rahmawati Sri Muliani, Sri Sri Mulyani Sri Mulyani Sabang Sri Poedjiastoeti Sri Wahyuni Sri Wahyuni Suherman Suherman Suherman Suherman Supriadi Supriadi Supriadi Supriadi Suyono - Syamsuriwal, Syamsuriwal Tri Santoso Tri Santoso Windia Hadi, Windia

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