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INDONESIA
EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA
Published by Universitas Muhammadiyah Tapanuli Selatan
ISSN : 2502101X     EISSN : 25982400     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Jurnal Eksakta diterbitkan dua kali setahun sebagai media publikasi ilmiah dalam pengkajian dan pengembangan Ilmu Pendidikan di bidang Matematika, Fisika, Kimia dan Biologi. Jurnal Eksakta memuat tulisan ilmiah berupa artikel konseptual, hasil penelitian maupun isu isu yang relevan dalam bidang MIPA.
Arjuna Subject : -
Articles 464 Documents
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PENERAPAN MODEL PEMBELAJARAN BERDASARKAN MASALAH UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA Harahap, Carles
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 9, No 1 (2024): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v9i1.16-23

Abstract

Further cultivating the informational experience and expanding understudies' numerical Unequivocal thinking skills (KPMM) by applying the Issue Based Learning (PBL) model are the boss focal points of this appraisal. The examination applied is PTK with two cycles completed in the odd semester of the 2023/2024 scholastic year. The subject of this examination was a sum of 36 Class VII understudies at SMP Negeri 1 Batang Onang. The learning devices utilized incorporate framework, model plans, and understudy worksheets (LKS). Information gathering instruments were helped through acumen sheets and KPMM tests. The KPMM tests and the observations made by the students were used in the data analysis. The outcomes showed that applying the PBL model had the decision to develop understudies' KPMM. The improvement in the mean score of understudies' KPMM tests from cycle 1 was 65.61 to 86.80 in cycle II. In this manner, class VII-A students at SMP Negeri 1 Batang Onang can benefit from the execution of the PBL model by extending their KPMM and further fostering their approach to learning.
ANALISIS PEMAHAMAN MAHASISWA TADRIS BIOLOGI 2 UINSU TERHADAP MATERI KONSEP DASAR BIOLOGI SEL Rahmadina, Rahmadina; Hasyifa, Najwa; Anggraini, Rima; Rahma, Nadia; Wahyuni, Risdah; Hasanah, Nurul Fizah; Khairani, Dwi
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 9, No 2 (2024): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v9i2.195–200

Abstract

 Penelitian ini berujuan untuk mengeksplorasi sejauh mana pemahaman mahasiswa Tadris Biologi 2 UINSU terhadap materi tersebut, serta untuk mengidentifikasi pendekatan pembelajaran yang paling efektif dalam meningkatkan pemahaman mereka tentang konsep dasar sel dan organel sel. penelitian ini menggunakan metode kualitatif deskripsi. Penelitian ini menggunakan dau metode pengumpulan, yaitu kuis dan kelompok, Subjeknya menggunakan Dosen, Mahasiswa, serta sarana dan prasarana, Objek penelitian ini ialah Univesitas Negeri Sumatera Utara. Hasil dari penelitian menunjukan bahwa adanya peningkatan pemahaman terhadap mahasiswa pada saat perkuliaahan berlangsung hampir seluruhnya mahasiswa menjawab pertanyaan dengan benar, dan mahasiswa lebih banyak memahami materi konsep biologi sel dikarenakan mungkin masih terlalu basic, namun ditemukan adanya kesulitan mahasiswa pada materi struktur dan fungsi organel sel. Mahasiswa sulit menjawab dengan cara cepat, namun hasil jawaban mereka tidak ada yang salah. Hal tersebut membuktikan bahwa hasil pemahaman mahasiswa tadris biologi 2 mampu dan paham mengenai materi konsep dasar serta struktur,fungsi organel sel.
VALIDITAS DAN RELIABILITAS INSTRUMEN TES MATEMATIKA DASAR II YANG BERKAITAN DENGAN LlSTRIK MAGNET Harahap, Aminah
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 7, No 1 (2022): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v7i1.174-184

Abstract

Abstract Development research test instrument math base II on introduction nuclear Listrik Magnetics lecture has been done. The method used is quantitative descriptive stages as follows: (1) Review basic math content that is relevant to the related nuclear physics through the study of literature; (2) Prepare draft test instruments with reference to the objectives, competence standard, basic competence, and indicators of achievement of design lectures were arranged; (3) Ask the expert assessment (validation construction and content); (4) To test the test instrument in a limited scope, evaluate and improve the existing deficiencies. The amount of matter that is developed in this test is 30 grains form the description. Data analysis test results of this test instruments in the group of students showed that the validity criteria are high, which is equal to 0.77. The instrument reliability was 0.87 which included a very high category. This means the resulting product meets the decent criteria, because validan reliable, but there are still items that need revision based on suggestions and feedback from the validator.
UJI KELAYAKAN PENILAIAN PROYEK BERBASIS PENDEKATAN SAINTIFIK UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS ABAD 21 MAHASISWA PADA MATA KULIAH METODOLOGI PENELITIAN Siregar, Rabiyatul Adawiyah; Lubis, Armansyah; Siregar, Ali Akbar; Daulay, Sattar; Siregar, Nurhijriyah Kam
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 7, No 1 (2022): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v7i1.140-145

Abstract

Research methodology is a required subject that must be taken by IPTS students in order to conduct their thesis guidance. It requires students to raise an education problem to carry out the introduction of research proposal and implementation. And so the students need to think critically. Basically, students have been difficulties to formulate problems that can be raised as a research. This requires a scientific or known as a saintifical approach and project assesment in order to students can be trained to work out proposals and research reports systematically using the scientific method. The use of a scientific-based project assessment instrument aimed ata valid . saintifical approach assesment of projects increasing 21st students’ critical thinking skills  in research methodology courses. The use of this asssment instrument can be used for further decision-making in depelovment of future study processes of vresearch methodology. It is continuously carried out, therefore, makes a continual improvement-process. The method of research used development research with an addie model. The result of this study indicate that the assessment of the proscience-based project developed have been declared valid to increase student critical thought capability of 21st –century students on research methodology courses at IPTS.
SINTESIS NANOPARTIKEL ZnO DIDOPING Sn DENGAN METODE KOPRESIPITASI Pakpahan, Rini Anggraini; Siregar, Sri Utami Kholila Mora; Abidin, Jainal; Lubis, Julianto
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 9, No 1 (2024): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v9i1.121–125

Abstract

In this research, synthesize of ZnO doped Sn nanoparticles was done by coprecipitation method. The raw material are the powder of zinc acetate dihydrate, the powder of tin (II) chloride dihydrate, HCl solution, and ammonium chloride solution. The doping of Sn powder used in concentration 0 %wt, 1 %wt, 2 %wt, 3 %wt, 4 %wt, and 5%wt. This research was done to know the effect of doping Sn toward ZnO nanoparticles structure. Structure and phase composition of ZnO doped Sn was known by XRD characterization, then Scanning Electron Microscopy (SEM) to know the morphology of ZnO nanoparticles doped Sn. The XRD patterns indicated that ZnO doped Sn nanoparticles crystallize in hexagonal Zincite structure. The crystallite size was analyzed by using Material Analysis Using Diffraction (MAUD) software and found to be in the range of 22-97 nm. The result of SEM test showed that the morphological surface of the nanoparticles was affected by Sn doping.
PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS CANVA PADA MATA KULIAH FISIKA TEKNIK Pakpahan, Rini Anggraini; Hasibuan, Erwina Azizah; Abidin, Jainal; Julianto, Julianto
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 9, No 2 (2024): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v9i2.375–380

Abstract

The teaching and learning activity is a very important role in education because it involves the process of transferring knowledge, both at the basic and higher education levels. Efforts to instill understanding for students can be done by using modules, various learning models, and learning media. In the current digital era, there are various visual applications that can be utilized as learning media, one of which is Canva. Canva-based learning media was developed in this research for the Engineering Physics course. This research is R D type with 4D model. This research was held on first semester students of the Computer Science study program in Graha Nusantara University Padangsidimpuan in year 2023/2024.  Validation sheet instrument was used to collect data. The collected assessment results are converted to a Likert scale. The results from the validator show 84% for material validation and 81% for media validation, both of which are included in the valid criteria. Thus, Canva-based learning media is feasible to using in Engineering Physics courses in force and motion subject.
PENGARUH PEMBELAJARAN ONLINE TERHADAP HASIL BELAJAR MATEMATIKA SISWA DI SMP NEGERI 4 PANYABUNGAN Hidayat, Thofik; Azizah Sormin, Masdelima; Sahara, Nur; Filbert, King; Daffa Romdhoni, Fachri
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 7, No 1 (2022): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v7i1.77-86

Abstract

Permasalahan penelitian ini adalah rendahnya kreativitas belajar matematika siswa. Untuk mengatasi masalah tersebut, pada penelitian ini diterapkan model pembelajaran Online. Tujuan dalam penelitian adalah 1 ) Mengetahui adanya pengaruh pembelajaran online terhadap hasil belajar peserta didik pada mata pelajaran matematika di SMP Negeri 4 Panyabungan. 2) Untuk mengetahui adanya perbedaan hasil belajar matematika siswa menggunakan model pembelajaran online dan model pembelajaran konvensional di SMP Negeri 4 Panyabungan. Jenis penelitian ini quasi eksperimen. Dimana subjek penelitian adalah siswa-siswi kelas VIII SMP Negeri 4 Panyabungan tahun ajaran 2020/2021. Teknik dan alat pengumpulan data yaitu tes. Uji yang dilakukan Yaitu validitas, reabilitas, daya pembeda, indeks kesukaran, dan uji t-test untuk mencari seberapa besar pengaruh pembelajaran Online terhadap hasil belajar siswa. Hasil penelitian menunjukkan bahwa pembelajaran Online mempunyai pengaruh yang signifikan terhadap hasil belajar siswa sebanyak 82,05%. Dari Hasil pengujian spss bahwa nilai sig.(2-tailed) setiap variable X Dan variable Y Adalah 0,005. Dilihat dari nilai thitung   ttabel. Didapat hasil bahwa nilai thitung  ttabel. Nilai ttabel 1,685 diperoleh dari nilai N 40-2=38. Angka 38 mempunyai nilai ttabel. 1,685.  Hasil uji reabilitas dapat diketahui bahwa secara keseluruhan Variabel X dan Y memiliki nilai cronbach’ alpha 0,737. Pembelajaran online mampu menjadi penolong dunia pendidikan di masa Pandemi Covid 19 ini. Sehingga hasil dari penelitian ini memperlihatkan bahwa model pembelajaran Online dapat meningkatkan hasil belajar matematika siswa di kelas VIII SMP Negeri 4 Panyabungan, model pembelajran Online dapat meningkatkan aktivitas siswa dalam belajar dan model pembelajaran Online dapat meningkatkan aktivitas guru dalam mengajar.
PEMANFAATAN APLIKASI KVISOFT FLIPBOOK MAKER DALAM PEMBELAJARAN DI ERA REVOLUSI INDUSTRI 4.0 Lubis, Nurhidayah
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 9, No 1 (2024): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v9i1.53-58

Abstract

Innovation and data hold a significant job as the principal wellspring of learning exercises in the period of modern upset 4.0 which changes generally manual frameworks into advanced frameworks. The reason for computerized learning is to furnish understudies with another learning circumstance and learning environment on the grounds that customary learning techniques are presently not appropriate for the ongoing understudy learning circumstance. Utilizing a variety of learning applications, which make it easier for learning activities to be more efficient and effective while also expanding knowledge, is one way to make use of technology. The goal of this study was to find out how the Kvisoft Flipbook Maker app is used in education during the Industrial Revolution 4.0 era. A relevant literature review was used in this scientific study, which contributes to the research's discussion. Learning using the Kvisoft Flipbook Creator application which is one of the product that can change over PDF records into intuitive advanced books as an elective answer for help understudy learning in the time of the Modern Upset 4.0. As a result, making digital books out of learning materials is a smart way to create a more engaging, interactive, and communicative learning environment and help students comprehend what the teacher is teaching.
MENJELAJAHI DUNIA REDOKS DENGAN REACT: PENDEKATAN PEMBELAJARAN INOVATIF TERHADAP HASIL BELAJAR SISWA SMA Pohan, Heni Mulyani; Harahap, Fatma Suryani; Siregar, Rabiatul Adawiyah; Lubis, Fitri Agustina; Sahara, Nur; Junita, Hafni; Ritonga, Siti Nurzainab
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 9, No 2 (2024): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v9i2.299–306

Abstract

The birth of the REACT Model was initiated by CORD in the United States. This learning approach includes five learning principles which include the relationship between concepts (Relating), direct experience (Experiencing), application in real situations (Appliying), cooperation between students (Cooperating) and transfer of learning to other situations (Transferring). This learning approach makes it easier for students to understand and master redox reaction material. The aim of the research is that it is hoped that through this research, it will be possible to find out to what extent the REACT learning model contributes to improving student learning outcomes in understanding the concept of redox reactions. This study is a quantitative study. The sampling method for this study is random sampling. Collect data through learning outcomes tests. In the experimental class the average score obtained after implementing the REACT learning model was 73.33 and 60.33 in the control class and the results of the independent t test using SPSS obtained a sig value of 0.025 0.05 which shows that the REACT learning model can improve results. Study.
EFEKTIVITAS PEMBELAJARAN MATEMATIKA BERBASIS IT (GEOGEBRA) DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA SMA N 1 BATANG ANGKOLA Hamid Marpaung, Paisal; Hidayat, Thofik; Halomoan Siregar, Alfiansyah; Sahara, Nur; Fuady Dharma Harahap, Andes; Dongoran, Awaluddin; Rahmadani, Seri
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 6, No 1 (2021): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v6i1.146-150

Abstract

The low ability of students to solve mathematical problems is one of the causes of the low student achievement in mathematics. There are many factors that cause this to happen, one of which is learning mathematics which is monotonous or lacks variation. For that, learning mathematics using IT during the teaching and learning process, in this case the Geogebra application. As one of the efforts made, of course, it is expected to improve students' mathematical problem solving abilities. Therefore, this study aims to determine whether the geogebra software can improve students' mathematical problem solving skills in the SPLDV material. The sample in this study were 35 students of class X IIS 1 in SMA Negeri 1 Batang Angkola with virtual research and using a qualitative approach.

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