Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam最新文献

{"title":"Hubungan antara Motivasi Berprestasi dengan Hasil Belajar Fisika Peserta Didik","authors":"P. Pertiwi, Muhammad Amran Shidik","doi":"10.35580/SAINSMAT92153822020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92153822020","url":null,"abstract":"Penelitian ini dilaksanakan untuk mengetahui hubungan antara motivasi berprestasi dengan hasil belajar fisika peserta didik di SMP Negeri 2 Barombong. Penelitian ini merupakan penelitian ex-post facto dengan populasi adalah seluruh peserta didik SMP Negeri 2 Barombong dengan teknik purposive sampling sehingga diperoleh sampel sebanyak 72 orang. Teknik pengumpulan data menggunakan teknik non-tes dengan instrument kuesioner motivasi berprestasi dan dokumentasi hasil belajar. Analisis data dengan teknik regresi sederhana dengan bantuan aplikasi SPSS. Hasil analisis menunjukkan terdapat hubungan yang kuat antara motivasi berprestasi dan hasil belajar fisika peserta didik SMP Negeri 2 Barombong pada semester genap TA 2019/2020 dengan koefisien korelasi sebesar 0.676.Kata kunci: motivasi berprestasi, hasil belajar, peserta didik, fisika This research was conducted to determine the relationship between achievement motivation and physics learning outcomes of students at SMP Negeri 2 Barombong. This research is an ex-post-facto study with a population of all students of SMP Negeri 2 Barombong with a purposive sampling technique in order toobtain a sample of 72 people. Data collection techniques using non-test techniques with achievement motivation questionnaire instruments and documentation of learning outcomes. Data analysis used simple regression techniques with the help of the SPSS application. The results of the analysis show that there is a strong relationship between achievement motivation and learning outcomes of physics students at SMP Negeri 2 Barombong even semester of the 2019/2020 academic year with a correlation coefficient of 0.676.Keywords: achievement motivation, learning outcomes, students, physics","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131900165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Uji Osmosis pada Kentang dan Wortel Menggunakan Larutan NaCl","authors":"Halim Lailia Ulfa, Rikha Falahiyah, Suwito Singgih","doi":"10.35580/SAINSMAT92153792020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92153792020","url":null,"abstract":"Penelitian ini bertujuan untuk menguji osmosis pada kentang (Solanum tuberosum L) dan wortel (Daucus carota L) dengan merendam kedua bahan tersebut yang sudah dikupas kulitnya menggunakan larutan garam dapur, dimana garam dapur (NaCl) sebagai materi terlarut dan air sebagai pelarutnya. Sementara yang dijadikan perbandingan adalah air untuk merendamnya tidak ditambah dengan garam. Metode penelitian yang digunakan pada penelitian kali ini adalah pendekatan kualitatif deskriptif, yaitu penyajian data berupa penggambaran dari hasil pengamatan dalam bentuk kata-kata. Pengambilan data dilakukan dengan cara eksperimen dan dokumentasi. Fokus penelitian adalah pada tekstur dan warna kentang setelah dimasukkan ke dalam gelas berisi air saja dan gelas berisi air dan garam dapur untuk membuktikan peristiwa osmosis.Kata kunci: osmosis, kentang, wortel, garam dapurThis research aims to test osmosis of potatoes (Solanum tuberosum L) and carrots (Daucus carota L) by soaking the two ingredients that have been peeled the skins with table salt (NaCl), where table salt (NaCl) as soluble material and water as the solvent. Meanwhile the comparison is water for soaking it is not added with salt. The research method used in this research is a descriptive qualitative approach, namely the presentation of data in the form of depictions of observations in the form of words. Data were collected by experiments and documentation. The focus of the research was on the texture and color of potatoes after being put into a glass filled with water only and a glass filled with water and salt to prove the process of osmosis.Keywords: osmosis, potatoes, carrots, kitchen salt","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130447915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efektivitas Model Pembelajaran NHT dengan Penerapan Srategi STHL terhadap Hasil Belajar Matematika","authors":"R. Reskiah, Ahmad Syah","doi":"10.35580/SAINSMAT92153852020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92153852020","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui efektivitas model pembelajaran NHT dengan menerapkan Strategi STHL terhadap hasil belajar matematika siswa MTS Matakali dengan poplulasi  80 orang, terdiri dari 4 kelas. Sampel penelitian ini sebanyak 23 orang yaitu kelas VIII A. Hasil penelitian menunjukkan bahwa Hasil belajar siswa pada mata pelajaran matematika yang diajarkan dengan model pembelajaran NHT dengan menerapkan Strategi Student Team Heroic Leadership berada pada kategori tinggi dengan tingkat penguasaan klasik mencapai 95,65% atau ada 22 siswa yang mendapat skor ≥ 70, serta uji proporsi dengan menggunakan taraf signifikan 5% diperoleh Ztabel= 1,65, berarti H0 diterima jika Zhitung ≤ 1,65. Karena diperoleh Zhitung = 1,36 maka H0 diterima, artinya proporsi siswa yang mencapai kriteria kentuntasan 70 adalah lebih dari 85% dari keseluruhan siswa yang mengikuti tes.. Kegiatan siswa pada setiap pertemuan menunjukkan bahwa delapan kategori yang diamati memenuhi kriteria efektif. Prestasi ini menunjukkan bahwa aktivitas siswa yang diharapkan terpenuhi. Respons siswa yang diajar dengan model pembelajaran NHT dengan menerapkan Strategi Student Team Heroic Leadership berada dalam kategori positif dengan skor rata-rata respons siswa mencapai 3,76. Dengan demikian model pembelajaran NHT dengan menerapkan Strategi Student Team Heroic Leadership dinyatakan efektif di kelas VIII MTs Matakali ,Kabupaten Polewali Mandar.Kata kunci: Model Pembelajaran NHT, Student Team Heroic Leadership               This study aims effectiveness of the NHT learning model applying  Student Team Heroic Leadership Strategy mathematics learning outcomes of MTS Matakali students with a population of 80 people, consisting of 4 classes. The sample of this study were 23 people, class VIII A. The results showed that student learning outcomes in mathematics taught by the NHT learning model applying Student Team Heroic Leadership Strategy were in the high category with a classical mastery level reaching 95.65% or there 22 students who scored ≥ 70, as well as the proportion test using a 5% significance level were obtained Ztable = 1.65, meaning H0 was accepted if Zhitung ≤ 1.65. Because Zhitung = 1.36 is obtained, H0 is accepted, meaning that proportion of students who reach the completeness criteria of 70 is more than 85% of all students taking the test. This achievement shows that the expected student activities are fulfilled. Student responses taught NHT learning model  applying the Student Team Heroic Leadership Strategy are in the positive category with an average score of student responses reaching 3.76. Thus the NHT learning model by applying the Student Team Heroic Leadership Strategy was declared effective in class VIII of MTs Matakali, Polewali Mandar. Keywords: NHT Learning Model, Student Team Heroic Leadership","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"2010 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125612257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Laju Pengurangan Kadar Vitamin C Selama Penyimpanan Buah Naga (Hyloceres Undatus)","authors":"A. Asmawati, A. Karim, Ilham Nur Iman","doi":"10.35580/SAINSMAT92153802020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92153802020","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui laju pengurangan kadar vitamin C selama penyimpanan buah naga  putih (Hylocereus Undatus). Eksperimen ini dilakukan dengan mengetahui besarnya penurunan kadar vitamin C selama penyimpanan buah naga  putih dengan metode iodimetri (titrasi langsung). Hasil penelitian menunjukkan kadar vitamin C buah naga  putih pada hari ke 5 adalah 29,406 mg/100 gram, pada hari ke 10 adalah 26,591 mg/100 gram, pada hari ke 15 adalah 19,594 mg/100 gram, pada hari ke 20 adalah 16,847 mg/100 gram, pada hari ke 25 adalah13,157mg/100 gram. Berdasarkan kadar vitamin C tersebut, maka diperoleh persamaan garis dengan nilai  dan membuktikan kadar vitamin C buah naga putih adalah orde satu.Kata kunci: Laju pengurangan, Buah naga  putih, Iodometri This study aims to determine levels of vitamin C and white dragon fruit (Hylocereus Undatus). The experiment was conducted with the determination of vitamin C with iodimetric method (direct titration). The results showed levels of vitamin C and white dragon fruit on day 5 is 29.406, on day 10 was 26.591, on day 15 is 19.594, on day 20 is 16.847, on day 25 is 13.157. Based on the levels of vitamin C, then obtained a reduction rate of 0.4385 x 10-1 which proved levels of vitamin C and white dragon fruit is first order.Keywords: The rate of reduction, white dragon fruit (Hylocereusundatus), iodometry","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132333357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Studi Pendahuluan Analisis Ukuran Partikel CuAl2O4 Berdasarkan Difraktogram Sinar-X","authors":"Shielda Natalia Joris, Yuli Ainun Rosidah","doi":"10.35580/SAINSMAT92153862020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92153862020","url":null,"abstract":"Penelitian pendahuluan analisis ukuran partikel CuAl2O4 dilakukan untuk mengetahui probabilitas menghasilkan nanopartikel ini dalam sistem air menggunakan teknik sol-gel. Tembaga nitrat, aluminium nitrat, dan asam sitrat digunakan sebagai bahan prekursor. Proses pembentukan senyawa ini diawali dengan kompleks prekursor dan melibatkan intermediet stabil yang homogen. Struktur nanopartikel CuAl2O4 terjadi ketika semua prekursor dikalsinasi pada 700 °C di tungku selama satu jam. Produk dikarakterisasi dengan menggunakan metode difraksi sinar-X. Penentuan ukuran partikel dihitung dengan metode Hukum Scherrer diperoleh hasil sebesar 9,56 nm.Kata kunci: Nanopartikel, CuAl2O4, sol-gel, Hukum Scherrer, sinar-X  Preliminary research on CuAl2O4 particle size analysis was conducted to determine the probability of synthesizing these nanoparticles in water system by using the sol-gel technique. Precursors materials which have been used i.e Copper nitrate, aluminium nitrate, and citric acid. This technique starts from the precursor complex, and involves the formation of homogeneous stable intermediates. The structure of CuAl2O4 nanoparticle occurred when all precursors were calcinated at 700 °C at the furnace for an hour. The product was characterized by using X-ray diffraction method. The particle size was measured by Scherrer Law's and it showed to be  9,56 nm.Keywords: Nanoparticle, CuAl2O4, sol-gel, Scherrer Law, X-ray","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131328097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pengembangan Model Pembelajaran Berbasis Taksi Bekas Bimbel Untuk Meningkatkan Hasil Belajar Fisika","authors":"S. Suriani","doi":"10.35580/SAINSMAT92155202020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92155202020","url":null,"abstract":"Penelitian ini bertujuan (1) untuk mengembangkan model pembelajaran berbasis Taksi Bekas Bimbel dalam bentuk perangkat pembelajaran yang valid dan praktis,2)untuk memperoleh informasi mengenai hasil belajar fisika setelah diterapkan pembelajaran Taksi Bekas Bimbeldan (3) untuk memperoleh informasi tingkat keefektifan model pembelajaran berbasis Taksi Bekas Bimbel. Penelitian ini adalah penelitian pengembangan (research and development) yang mengacu pada four D models (Model 4-D).Uji coba perangkat menggunakan disain one case study. Penelitian ini dilaksanakan di SMA Negeri 2 Pangkajene, Kabupaten Pangkajene dan Kepulauan dengan subjek penelitian pada kelas XI Pascal dengan jumlah siswa 23 orang yang di ambil secara acak. Pengumpulan data dilakukan melalui observasi dan tes hasil belajar, selanjutnya data dianalisis dengan menggunakan analisis deskriptif.Hasil penelitian menunjukkan bahwa perangkat pembelajaran yang dikembangkan melalui tahap analisis kebutuhan, tahap perancangan serta tahap pengembangan dan ujicob berupa buku siswa, lembar kerja Peserta Didik (LKPD), rencana pelaksanaan pembelajaran (RPP) dan tes hasil belajar (THB) dinyatakan valid dan efektif sehingga layak untuk digunakan dalam pembelajaran fisika. Sedangkan hasil belajar siswa telah mencapai ketuntasan belajar secara klasikal dimana sebelum diterapkan pembelajaran Taksi Bekas Bimbel hasil belajarnya belum mencapai ketuntasan klasikal.Dengan demikian model pembelajaran berbasis Taksi Bekas Bimbel dapat meningkatkan hasil belajar siswa atau sangat efektif dalam Pembelajaran Fisika. Kata Kunci : Model Taksi Bekas Bimbel, hasil belajar This study aims (1) to develop a learning model based on the used Taksi Bekas Bimbel.in the form of valid and practical learning tools, 2) to obtain information about the learning outcomes of physics learning after applying the used Taksi Bekas Bimbelmodel and (3) to obtain information on the effectiveness of the learning based learning model Taksi Bekas Bimbel. This research is a research and development study which refers to the four D model (4-D model). Testing the device using a single case study. This research was conducted at SMA Negeri 2Pangkajene, Pangkajene Regency with the research subjects in class XI Pascal with 23 students who  were taken randomly. Data collection was carried out through observation and learning outcome tests, then the data were analyzed using descriptive analysis. The results showed that  the learning tools developed through the needs analysis stage, the design stage as well as the development and test stages in the form of student books, student worksheets (LKPD), learning implementation plans (RPP) and learning outcomes tests (THB) were declared valid and effective so that suitable for use in learning physics. Meanwhile, student learning outcomes have achieved classical mastery where prior to the implementation of the Taksi Bekas Bimbel. learning the learning outcomes had not yet reached classical completeness. Thus","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129215748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identifikasi Gaya Belajar Mahasiswa dalam Membantu Dosen dalam Menentukan Model Pembelajaran di Universitas Muhammadiyah Bulukumba","authors":"Fauzan Akbar, Haerul Mutiah","doi":"10.35580/SAINSMAT92165952020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92165952020","url":null,"abstract":"ABSTRAKKegiatan belajar mengajar di perguruan tinggi merupakansuatu kegiatan yang bernilai edukatif. Nilai edukatif diwarnai oleh interaksi antara dosen dan mahasiswa, begitu pula antara mahasiswa dengan mahasiswa. Kegiatan belajar mengajar yang dilakukan diarahkan untuk mencapai tujuan tertentu yang telah dirumuskan sebelum pengajaran dilakukan. Mendefenisikan karaketeristik gaya belajar mahasiswa yang merujuk pada keunikan bagaimana setiap siswa menerima dan memproses informasi baru melalui perasaan mereka. Gaya belajar sebagai gabungan dari karakteristik kognisi, afektif, dan faktor-faktor fisiologi yang menampilkan indikator yang relatif stabil terhadap bagaimana pembelajar memandang, berinteraksi, dan merespon lingkungan belajar. Selain itu perlu kita ketahui, minat dan semangat seorang pelajar untuk menerima dan mengikuti suatu pembalajaran berbeda. Maka dari itu pemilihan model pembelajaran harus disinergiskan dengan karakterisitik gaya belajar  mahasiswa. Gaya belajar atau learning style adalah suatu karakteristik kognitif, afektif dan psikomotorik sebagai indikator yang bertindak stabil untuk pembelajaran merasa saling berhubungan dan bereaksi terhadap lingkungan belajar. Gaya belajar adalah cara yang lebih kita sukai dalam melakukan kegiatan berfikir, memproses dan mengerrti suatu informasi. Dari pengertiandiatas, dapat kita simpulkan bahwa gaya belajar atau leraning style adalah ciri khas atau bagaimana kemampuan yang dimiliki seseorang dalam merespon pembelajaran yang diperoleh. Penelitian yang dilakukan adalah penelitian deskriptif melalui penelitiansurvei, dimana peneliti tidak memberikan perlakuan kepada objek penelitian. Populasi dalam penelitian ini adalah seluruh mahasiswa di Universitas Muhammadiyah Bulukumba. Pengambilan sampel dengan cara Purposive Sampling dimana 1 kelas mewakili tiap program studi. Teknis analisis data dengan aplikasi SPPS. Pengambilan data l penelitian dengan menyebar angket yang digunakan sudah divalidasi oleh ahli. Kata kunci: Identifikasi 1,Gaya Belajar 2, Model Pembelajaran 3.ABSTRACT Learning and teaching activity in collage is an educative activity, it can be seen from the interaction of students and lecturer, both the students and students itself. Teaching and learning activity are directed to achieve the certain goals. Defines the students learning characteristic refers to the uniqueness of how the students receiving and processing the information through their feelings. Learning styles is a combination of cognitive, affective and psychomotor and also physiology factors that show the indicator about how the students interact and give respond to learning environment. We also have to know that the students’ passion and motivation are different. Related to the background above, we have to decide learning model that we will apply during the learning and teaching process by looking the students’ characteristic and their learning styles. Learning styles is cognitive, affective and psychomotor characteris","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124592740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efisiensi Waktu Pemberian Pupuk Nitrogen terhadap Pertumbuhan dan Produksi Jagung Lokal Kuning","authors":"Anatje Lihiang, Sonny Lumingkewas","doi":"10.35580/SAINSMAT92182312020","DOIUrl":"https://doi.org/10.35580/SAINSMAT92182312020","url":null,"abstract":"ABSTRAK Jagung (Zea mays L) ialah tanaman serealia yang bernilai ekonomis dan dapat dikembangkan sebagai sumber utama karbohidrat, vitamin dan mineral, serta sebagai pakan ternak dan bahan baku industri. Di Sulawesi Utara banyak dikembangkan  jagung varietas lokal Manado kuning yang memiliki keunikan yaitu rasanya manis, rendemen nasi tinggi, dan tahan disimpan. Namun di tingkat petani produktivitasnya rendah berkisar 1-2 ton/ha. Oleh karena itu perlu dilakukan penelitian untuk meningkatkan pertumbuhan dan produksi jagung lokal Manado kuning dengan aplikasi waktu pemberian pupuk urea yang tepat.Hasil menunjukkan tanaman jagung menghasilkan luas daun, berat kering, indeks luas daun, laju tumbuh tanaman, dan laju asimilasi bersih tertinggi pada perlakuan N4 dan N5 yaitu 3 kali pemberian pupuk urea 1/3 saat tanam, 1/3 umur tanaman 15 hari, dan 1/3 umur tanaman 45 HST (N4) serta 1/3 saat tanam, 1/3 saat tanaman berumur 30 hari dan 1/3 tanaman berumur 45 hari. Bobot pipilan kering tertinggi sebesar 3,24 t ha-1 pada perlakuan aplikasi waktu pemberian pupuk 3 kali yaitu 1/3 saat tanam, 1/3 pada saat tanaman berumur 30 HST dan 45 HST. Dengan demikian, aplikasi waktu pemberian pupuk 3 kali menghasilkan pertumbuhan dan produksi jagung lokal Manado kuning tertinggi. Penelitian selanjutnya perlu diuji pada lokasi-lokasi dengan ketinggian berbeda. Kata kunci: Jagung lokal kuning, pupuk urea, efisiensi waktu ABSTRACTCorn (Zea mays L) is a cereal crop that has economic value and can be developed as a main source of carbohydrates, vitamins and minerals, as well as animal feed and industrial raw materials. In North Sulawesi, many local varieties of Manado yellow maize have been developed, which are unique in that they taste sweet, have high rice yield, and are resistant to storage. However, at the farmer level, the productivity is low, around 1-2 tonnes/ha. Therefore it is necessary to conduct research to increase the growth and production of local Manado yellow maize with the appropriate application of urea fertilizer time. The weight, leaf area index, plant growth rate, and net assimilation rate in N4 and N5 treatments, namely 3 times urea fertilizer 1/3 when planting, 1/3 plant age 15 days, and 1/3 plant age 45 HST (N4) and 1/3 when planting, 1/3 when the plants are 30 days old and 1/3 plants are 45 days old. The highest dry weight was 3.24 t ha-1 in the 3 times application of fertilizer, namely 1/3 when planted, 1/3 when the plants were 30 HST and 45 HST. Thus, the application of 3 times fertilizer application resulted in the highest growth and production of local Manado yellow corn. Further research needs to be tested at locations with different heights. Keywords: Yellow local corn, urea fertilizer, time efficiency","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129806876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Daging Ayam Broiler Sehat dengan Pengaturan Ransum","authors":"Rosdiana Ngitung, N. Nurhayati, Arsad Bahri","doi":"10.35580/SAINSMAT91141882020","DOIUrl":"https://doi.org/10.35580/SAINSMAT91141882020","url":null,"abstract":"Penelitian bertujuan untuk menghasilkan daging broiler yang sehat  dikonsumsi, menghasilkan ransum yang ideal untuk ayam broiler, sehingga kadar lemak dan kolesterol daging dapat diturunkan serendah mungkin, dan mengetahui lama pembatasan ransum terhadap persentase karkas, daging, kadar lemak dan kolesterol ayam broiler.  Penelitian ini terdiri dari dua Tahap yang saling berhubungan, hasil dari Tahap I akan dilanjutkan pada Tahap II. Penelitian ini berlangsung di Fakultas Peternakan Universitas Hasanuddin. Tahap I menggunakan rancangan acak lengkap (RAL)  dengan 4 perlakuan dan 6 ulangan: A0 (kontrol) : Ransum Tanpa Penambahan Tepung Rumput Laut;  A1 : Ransum dengan Penambahan Tepung Rumput Laut 3% ; A2 : Ransum dengan Penambahan Tepung Rumput Laut 5% ;  A3 : ransum dengan penggunaan tepung rumput laut 7%. Data yang diperoleh dianalisis analisis rancangan acak lengkap yang dilanjutkan dengan uji F pada tingkat ketelitian 5%.Hasil penelitian menunjukkan bahwa perlakuan dengan penggunaan tepung rumput laut sampai level 7% secara nyata berpengaruh pada kadar lemak daging, namun tidak berpengaruh terhadap bobot hidup , persentase lemak abdominal, kolesterol, LDL (Low Density Lipoprotein), HDL (High Density Lipoprotein) dan trigliserida. analisis rancangan acak lengkap yang dilanjutkan dengan uji F pada tingkat ketelitian 5%.  Kata kunci:  Broiler, Sehat, Ransum dan Kadar Kolesterol The research aims to produce healthy broiler meat consumed, produce rations that are ideal for broiler chickens, so that the fat and cholesterol levels of meat can be reduced as low as possible, and know the duration of ration restriction on the percentage of carcasses, meats, fat levels and cholesterol of broiler chickens. This research consists of two interrelated phases, the results of Phase I will be continued in Phase II. This research took place at the Faculty of Animal Science, Hasanuddin University. Phase I used a completely randomized design (CRD) with 4 treatments and 6 replications: A0 (control): Ration without addition of seaweed flour; A1: Ration with Addition of Seaweed Flour 3%; A2: Ration with Addition of Seaweed Flour 5%; A3: ration using 7% seaweed flour. The data obtained were analyzed by complete random design analysis followed by the F test at a precision level of 5%. The results showed that the treatment with the use of seaweed flour up to 7% level significantly affected the levels of meat fat, but did not affect the body weight, the percentage of abdominal fat, cholesterol, LDL (Low Density Lipoprotein), HDL (High Density Lipoprotein) and triglyceride. Complete randomized design analysis followed by the F test at a precision level of 5%.Keywords: Broiler, Healthy, Rations and Cholestrol Levels","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131493615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Profil Sikap Ilmiah Siswa Kelas IV SD Inpres Ana Gowa dan SD Negeri Tombolo K","authors":"R. Rusni, Arsad Bahri, Evi Ristiana","doi":"10.35580/SAINSMAT91141962020","DOIUrl":"https://doi.org/10.35580/SAINSMAT91141962020","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui gambaran sikap ilmiah siswa kelas IV SD Inpres Ana Gowa dan SD Negeri Tombolo K. Penelitian ini adalah penelitian survei dengan analisis data menggunakan statistik deskriptif. Populasi dalam penelitian ini adalah seluruh siswa kelas IV SD Inpres Ana Gowa dan SD Negeri Tombolo K. Teknik sampling yang digunakan adalah simple random sampling. Sampel dalam penelitian ini adalah siswa kelas IVB dan IVC SD Inpres Ana Gowa dan siswa kelas IVA dan IVB SD Negeri Tombolo K dengan jumlah sampel 124 siswa. Teknik pengumpulan data menggunakan angket sikap ilmiah. Hasil penelitian menunjukkan bahwa sikap ilmiah siswa memiliki rerata skor realtif sama.Indikator sikap ilmiah yang memiliki rerata skor tertinggi adalah sikap mendahulukan data atau fakta dengan persentase 63,50% dan skor indikator sikap ilmiah terendah adalah sikap berpikir kritis dengan persentase 62,20%. Hal ini menunjukkan sikap ilmiah siswa masih perlu dikembangkan dalam proses pembelajaran agar berpengaruh terhadap hasil belajar kognitif dan utamanya hasil belajar afektif dalam pembelajaran IPA. Kata kunci: Sikap ilimiah, hasil belajar IPA afektif This study aims to determine the description of scientific attitudes of fourth grade students of SD Inpres Ana Gowa and SD Negeri Buttono K. This research is a survey research with data analysis using descriptive statistics. The population in this study were all fourth grade students of Ana Gowa Inpres Elementary School and SD Negeri Buttono K. The sampling technique used was simple random sampling. The sample in this study were students of class IVB and IVC of SD Inpres Ana Gowa and students of class IVA and IVB of SD Negeri Tombolo K with a total sample of 124 students. Data collection techniques using a scientific attitude questionnaire. The results showed that students' scientific attitudes had the same average score. The indicators of scientific attitudes that had the highest average scores were attitudes prioritizing data or facts with a percentage of 63.50% and the lowest scientific attitude indicator scores were critical thinking attitudes with a percentage of 62.20%. This shows that students' scientific attitudes still need to be developed in the learning process so that it affects cognitive learning outcomes and especially affective learning outcomes in science learning. Keywords: Scientific attitudes, affective learning outcomes","PeriodicalId":347044,"journal":{"name":"Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123763141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}