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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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MENINGKATKAN KEMAMPUAN BERHITUNG PERKALIAN SISWA MENGGUNAKAN METODE JARIMATIKA DI KELAS III SDI PLUS IMAM MUSLIM Maula, Nur Izatul; Makhrus, Makhrus; Suwanto, Suwanto; Fitriani, Fitriani
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.v9i1.142–149

Abstract

The background for conducting this classroom action research was the achievement of student learning outcomes in class IV of Bustan El Firdaus Kawunganten Islamic Elementary School on low number pattern material, so there is a need for learning improvements. The learning improvement plan will be carried out by applying problem-based learning methods in 2 cycles. The sample for this research were 18 students in class IV of Bustan El Firdaus Islamic Elementary School, 10 boy students and 8 girls students. Research started from October to December. At the end of the cycle I showed an increase in the learning outcomes of number pattern material in the pre-cycle. Then in cycle II the learning outcomes obtained also increased significantly compared to cycle I. At the end of cycle II the classical completeness obtained was 94.4% while the indicator of success which was used as a reference in this research was the achievement of classical completeness of 80% so the research had been successful.
IMPLEMENTASI MODEL PENEMUAN TERBIMBING UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP NEGERI 10 MEDAN Sitorus, Pricilia Mawar M; Hasratuddin, Hasratuddin
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.v9i2.400-405

Abstract

The aim of this study is to enhance the students' ability to solve math problems and classical completeness of students in grade VIII SMP Negeri 10 Medan through Guided Discovery Learning model. This research is called Classroom Action Research (CAR) and carried out by two cycles, where each cycle includes the stages of planning, implementation, monitoring, evaluation and reflection. The research subjects were 32 students of grade VIII-C SMP Negeri 10 Medan T.A 2023/2024. The object of this study is to enhance the math problem solving capability of students by applying the Guided Discovery Learning model on chance material. The results obtained from the initial ability test before applying the learning model that the average student score was 40.19. In cycle I, there was an increase with the average student score of 66.21 which was in the moderate category and there were 16 students (50%). Then in cycle II it increased with an average student score of 85.29 which is in high category and 29 students (90.62%). Thus the conclusions that can be drawn from this is the Guided Discovery Learning model can enhance the ability of students in grade VIII SMP Negeri 10 Medan to solve problems of math
RESPON PEMBERIAN PGPR (Plant Growth Promoting Rhizobacteria ) TERHADAP PERTUMBUHAN VEGETATIF TANAMAN CABAI CAPLAK (Capsicum annum L.) Warsito, Kabul
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.v7i1.100-104

Abstract

Research on the Response of PGPR (Plant Growth Promoting Rhizobacteria) to Vegetative Growth of Chilli (Capsicum annum L.) was conducted from July to September 2021 in Klambir V Kebun Village, Hamparan Perak District, Deli Serdang Regency. The purpose of the study was to determine the effect of PGPR on the growth of several vegetative organs of tick chili. The method used in this study was a completely randomized design (CRD) with 8 treatments. Parameters observed in this study were plant height, number of leaves, number of branches. The results showed that giving PGPR to chili peppers had no significant effect on plant height. The highest average plant height of 22.74 cm was found in the PGPR treatment at a dose of 200 mL/liter. Meanwhile, the effect of PGPR on the number of leaves gave an insignificant different effect. The best concentration was also shown by treatment with a dose of 200 mL/liter with an average number of leaves of 6.80 leaves. The effect of giving PGPR on the number of branches gave very significantly different results. The best concentration was also shown by treatment with a dose of 200 mL/liter with an average of 3.00.
ANALISIS KEMAMPUAN PEMAHAMAN KONSEP OPERASI HITUNG BILANGAN BULAT PADA SISWA KELAS VII SMP 1 NEGERI KECAMATAN BARUMUN BARU Siregar, Tukar Efendi
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.v9i1.72–80

Abstract

Pelatihan di sekolah dasar sangat penting untuk informasi siswa karena siswa akan mendapatkan semua seluk-beluk tentang dunia pengajaran di sekolah dasar serta mata pelajaran matematika. Permasalahan yang dibicarakan dalam proposisi ini adalah pengujian kemampuan pemahaman konsep kegiatan matematika bilangan bulat pada siswa kelas VII di SMP Negeri 1 Barumun Baru Daerah Barumun Baru. Landasan permasalahan dalam pendalaman ini adalah akibat nilai belajar siswa pada materi tugas bilangan bulat terlalu rendah dilihat dari ulangan dan pertemuan, hal ini disebabkan oleh kurangnya pemahaman yang wajar terhadap materi. Investigasi ini bertujuan untuk mengatasi kesulitan siswa dalam menyelesaikan materi dan memunculkan ide-ide baru. Investigasi ini merupakan penilaian emosional dengan menggunakan metode klarifikasi. Untuk mengumpulkan data penting. Tes ini menggunakan instrumen pengumpulan data, pengumpulan dan tes. Penanganan informasi harus dimungkinkan secara subyektif secara grafis. Data sekunder berasal dari guru matematika, dan data primer berasal dari kelas VII SMP 1 Barumun Baru. Berdasarkan hasil ujian, dapat dikatakan bahwa siswa sebenarnya kurang memahami materi kegiatan bilangan bulat karena mereka tidak mampu menangani bilangan dengan berbagai tanda atau nilai negatif, memahami cara menyikapi, atau memberi nilai pada garis bilangan. tinggalkan properti tugas. angka absolut. Kurangnya pemahaman siswa dalam menangani soal-soal bilangan pada materi pokok usaha berhitung bilangan adalah siswa tidak dapat menentukan bagian-bagian yang diketahui sehingga siswa tidak mempunyai pemikiran terhadap soal yang akan diteliti dalam soal tersebut dan tidak dapat memikirkan soal-soal yang akan diteliti dalam soal tersebut. Mereka tidak membuat model numerik sehingga mereka tidak tahu bagaimana menyelesaikannya. 
PERANAN MAHASISWA KULIAH KERJA NYATA (KKN) DALAM PENGUATAN LITERASI SISWA SD KELURAHAN PANCURAN DEWA SIBOLGA Sahara, Nur; Ginting, Nurmaini; Harahap, Fatma Suryani; Mariska, Revi; Amanda, Dea; Damayanti, Dina
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.v9i2.331-337

Abstract

The point of this exploration is to give an outline of the incorporation of worksheets with regular signs of corrosive base learning results, as well as the impact on gaining results and understudy discipline from this combination. This study employs a single group design, which means it is conducted in a single class. The data were collected using student discipline observation sheets, pretest and posttest observation sheets, and observation sheets. According to the findings of this study, the medium category has a N-Gain percentage of 56.10 percent, while the very good category has an average learning completion score of 100 and pre-test scores of 46.1 and 81, respectively. %. execution perceptions. In the mean time, for understudy discipline, the typical accomplishment was 89.53 percent, which is named generally excellent. It is possible to draw the conclusion, based on the findings of this study, that incorporating natural indicators of acid base learning into worksheets for students is quite effective at encouraging discipline in learning and improving student learning outcomes
EFEKTIFITAS PEMBELAJARAN ARGUMENT DRIVEN INQUIRY MELALUI LESSON STUDY TERHADAP HASIL BELAJAR MAHASISWA Siregar, Nurhasana; Lubis, Rodiah Ulfah; Nasution, Puspa Riani
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.v7i1.24-29

Abstract

Pembelajaran yang memiliki efektifitas yang baik dapat ditinjau dari serangkaian kegiatan pembelajaran yang dilaksanakan, dan hasil belajar. Penelitian ini bertujuan menganalisis efektifitas pembelajaran ADI melalui lesson study terhadap hasil belajar mahasiswa. Penelitian  ini kategori penelitian kualitatif dengan teknik analsisi data deskriptif presentasi (%) hasil belajar dan deskripsi pembelajaran ADI yang diterapkan melalui catatan lembar observasi, catatan observasi dan test pemahaman mahasiswa terdiri dari 5 soal. Hasil penelitian menunjukkan bahwa kompetensi praktikum mahasiswa meningkat dari LS-1 47,42% dan LS-2 79,01%, perolehan ini sama dengan peningkatan hasil tes pemahaman mahasiswa sekitar skor 80-90 sebanyak 10 orang. Peningkatan hasil belajar tersebut mengindikasikan penerapan pembelajaran ADI efektif, dan dari segi proses pembelajarannya adanya peningkatan pencapaian tujuan pembelajaran diantaranya sintesis, kerjasama, komunikasi dan kemandirian, selain itu dari waktu pelaksanaan semakin baik.
PENGGUNAAN APLIKASI PHET UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS SISWA SMP PADA MATERI TEKANAN ZAT CAIR Safitri, Yohana; Susiyawati, Enny
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.v9i2.248–256

Abstract

Penelitian ini bertujuan membandingkan keefektifan keterampilan proses sains menggunakan aplikasi PhET dan aktivitas laboratorium riil pada materi tekanan zat cair. Metode penelitian ini menggunakan Quasi Eksperimental Design dengan desain pretest-posttest control group design dengan sasaran penelitian yaitu siswa kelas 8I berjumlah 32 orang sebagai kelas eksperimen dan siswa kelas 8H berjumlah 31 orang sebagai kelas kontrol di salah satu SMP Kota Surabaya. Data diperoleh dengan metode tes dan angket yang kemudian dianalisis secara deskriptif kuantitif. Aspek keterampilan proses sains yang diteliti pada peneliatian ini yaitu observasi, inferensi, pengukuran, mengkomunikasikan, mengklasifikasi, prediksi, mengontrol variabel, membuat hipotesis, menafsirkan data, dan mengadakan percobaan.  Hasil penelitian menunjukkan bahwa kelas eskperimen yang menggunakan aplikasi PhET lebih efektif dibandingkan dengan kelas kontrol yang menggunakan aktivitas laboratorium riil terbukti dengan hasil effect size sebesar 0,76 dengan kategori besar. Implikasi dalam penelitian ini menunjukkan bahwa untuk meningkatkan keterampilan proses sains siswa, guru dapat menggunakan aplikasi PhET sebagai alternatif aktivitas laboratorium riil pada materi tekanan zat cair atau materi-materi lain yang terintegrasi dalam aplikasi PhET, seperti getaran dan gelombang, gerak an gaya, dan lain sebagainya.
PENGARUH STRATEGI PEMBELAJARAN CRITICAL INCIDENT TERHADAP LITERASI NUMERASI SISWA Daulay, Nur Jannah
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.v9i1.9-15

Abstract

The examination that has been directed is named "The impact of basic occurrence systems on understudies' numeracy education in factual material in class VIII SMP N 1 Sosa Julu" with the foundation being that understudies' numeracy proficiency is still low since understudies are not yet ready to apply arithmetic to regular day to day existence - day and dissect the data showed as: outlines, tables, diagrams and charts and understudies have not had the option to decipher the consequences of the examination to reach inferences. The examination philosophy utilizes a semi trial approach with pre-test and post-test in the two classes. This depends on the models for working out the t-test, which is acquired Tcount = 7.503 and Ttable = 2.013, in light of the fact that Tcount Ttable with 24 each example. The N-Gain test, based on the results of the calculation of N-The gain, reveals that the experimental N-Gain value for moderate criteria is 90 percent, indicating the influence of this critical incident strategy. In the interim, the N-Gain an incentive for the control class with moderate models is 80%. So it very well may be presumed that the numeracy proficiency test scores of understudies who were educated with the basic episode system were higher than those instructed with ordinary learning in class VIII SMP N 1 Sosa Julu.
PENGARUH METODE PICTORIAL RIDDLE BERBASIS AUGMENTED REALITY (AR) TERHADAP BERFIKIR KREATIF SISWA KELAS XI SMA NEGERI 1 ANGKOLA TIMUR Kasmawati, Kasmawati; Nasution, Eni Sumanti; Siregar, Meilita
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.v9i2.186–194

Abstract

The aim of this research is to determine the significant influence of student creativity on the subject of static fluids after implementing the AR-based pictorial riddle learning model in class XI of SMA Negeri 1 Angkola Timur. This research is a Quasi Experimental Research. The instruments in this research were essay test instruments and student observation sheets. The population is 270 class XI students of SMAN Negeri 1 East Angkola and the sample here uses a cluster random sampling technique with an experimental class of class Based on the research data obtained and the results of the statistical tests that have been carried out, it can be concluded that there is a significant difference between the average score and the results of the t-test analysis of two independent samples. The average post-test score for the experimental class was 77.30, more than higher than the post-test average score in the control class of 69.13. The statistical test results show that tcount 2.72 ttable 1.717, for a significance level of 95% and α = 0.05 so that Ha is accepted and H0 is rejected. So it can be concluded that through the application of the pictorial riddle learning model, it can improve students' ability to think creatively in Class XI of SMA Negeri 1 Angkola Timur..
INVENTARISASI FLORA DARAT DI DESA MUARA AMPOLU KECAMATAN MUARA BATANGTORU Marpaung, Dwi Ratna Anjaning Kusuma
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.v9i1.150-155

Abstract

 Muara Ampolu Village located in Batangtoru District, Deli Serdang Regency is a terrestrial ecosystem with hill topography which is generally used as a production forest for oil palm cultivation and generally has natural forest vegetation. The increasing opening of oil palm commodity production is in line with land clearing in the study area and is expected to affect the condition of the surrounding environmental components, especially terrestrial flora. Inventory was conducted to determine the diversity of terrestrial flora species found in the study area and to minimize the rate of loss of terrestrial flora species diversity in the area. Terrestrial flora found in the study area includes 41 species belonging to 31 families in residential and agricultural areas; while in the hill forest area, 285 species belonging to 43 families were obtained. Terrestrial flora in settlements are plants deliberately planted and/or left by residents because they have benefits as food, aesthetics, shade, herbal medicine, and as ground cover and other functions, while terrestrial flora in hill forests is dominated by pioneer plants such as Mallotus spp. and Macaranga spp. and the presence of Ficus padana species; climax forest vegetation such as Castanopsis spp., and from the Dipterocarpaceae family namely Dryobalanops spp., Shorea spp., Dipterocarpus spp.; and invasive species such as ilalang (Imperata cylindrica) and sandukan (Melastoma malabatricum).

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