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INDONESIA
Pelita - Jurnal Penelitian Mahasiswa UNY
Published by Universitas Negeri Yogyakarta
ISSN : 18584446     EISSN : -     DOI : -
Core Subject : Science,
Decision Sciences, Operations Research & Management
Arjuna Subject : -
Articles 176 Documents
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PEMANFAATAN JAMUR NEUROSPORA CRASSA DALAMPEMBUATAN RANGEN KUKUS GUNA PENINGKATANGIZI DAN KESEJAHTERAAN MASYARAKAT Rani Asri W., Heni Mahzumi, Fatwa Ika W., M. Noorcahya Eka S., dan Wasilah
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
Publisher : Pelita - Jurnal Penelitian Mahasiswa UNY

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Abstract

This research aims to know 1) the use of Neurospora Crassa mushroom in the makingof steamed neuros rangen, 2) the influence of Neurospora Crassa in the improving ofprotein, carbohydrate, and fat in this rangen, and 3) the effort of improving the society’shome industry by producing nutritious food which is easily made.The research was conducted by making rangen which is mixed with NeurosporaCrassa. It aims to improve the standard of nutrition especially fat, protein, andcarbohydrate. There were three methods used in this research; kjeldhal method to knowthe nutritious substances, Nelson method to know the amount of carbohydrate, andEther extraction to know the amount of fat.The result of the research shows that the use of Neurospora Crassa results in theincreasing of protein (0,42%), carbohydrate (11,507mg/ml), and fat (0,4725%).Keyword: Neurospora Crassa Mushroom, protein, carbohydrate, and fat.
ANALISIS PERBANDINGAN SPEKTRUM FREKUENSITEMBANG TRADISIONAL SUNDA DENGAN MUSIK KLASIK Rahmat Hidayat , Muslikhin, dan Dewi Puspitasari
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
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Abstract

Sundanese traditional music is a kind of art which exists in West Java created bySundanese society. This music has a power to share with the audiencies. From thefrequency spectrum, this music has fluctuative frequency spectrum like classical music,thus it is interesting to be studied more advanced. This research aims to know thefrequency spectrum analysis of classical music and that of Sundanese traditional music,and the comparison between these two analyses.This research used a representative sample of five musics: they were one music(Symphony 40) and four Sundanese traditional musics (Ewateun, Kiara, Sabilulungan,and Suling Kecapi). From the data, it was found three aspects: 1) the first, middle, andlast frequency, 2) the mean music frequency, and 3) the frequency duration. Those threereferences were used as a comparison of the frequencies of Sundanese traditionalmusic. This analysis was conducted to find the differences, the similarities, and theinference that can be drawn from the differences and the similarities of the frequencyspectrum analysis.The result of this research shows that Sundanese traditional music “Suling Kecapi”has an identical value with classical music (Symphony 40 by Mozart) in the amount of71.34 % based on the frequency domination. The characteristics of the frequency spectrumof “Suling Kecapi” are: a) the amplitudo structure gets higher and little decreases inonsill frequency (20kHz), b) the dominance is in bandwith 4-7kHz, and c) vocal frequency(800-1500Hz) and bass (20-300Hz) is not dominant.Keywords : Sundanese traditional music , classical music, and frequency spectrum
METODE BRIEFING, GROUPING, GAMES AND TURNAMENT, REWARD(BRIGGATURE) SEBAGAI UPAYA MENINGKATKAN MOTIVASI ANAK JALANANUNTUK MENEMPUH WAJIB BELAJAR 9 TAHUN DI YOGYAKARTA Ismiati Sholikha, Laifa Rahmawati, Noviana Anjar Hastuti
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
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Abstract

Primary education must be adopted by all citizens. It means that education is right andobligation for children aged 7 – 15 years, including street children. However, they like hangingaround in the street in the school hours. Without their own motivation, the government’s program toovercome the issue of education will not run well. Therefore, it is required a method to increase theirmotivation to study.Briefing method, Grouping, Games and Tournament, Reward (BRIGGATURE) are efforts toovercome the lack of street children’s motivation toward the 9‐years compulsory education. Briefingmethod is a step of delivering materials and affection to them. Grouping is a step of making group.Games can be done by applying some games like snake ladder and other games. Tournament is astep of selecting to know the children who understand the materials. Reward is a step of giving a giftto the street children who can finish or win the games and tournament successfully. A reward isexpected to motivate them to study.Key words: 9‐years compulsory education, street children, motivation
PEMANFAATAN BUNGA TAPAK DARASEBAGAI ALTERNATIF PEMBUATAN INDIKATOR pH ASAM‐BASA Muhammad Hizbul W., Eko Yuliyanto, dan Martina Retnoyuanni
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
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Abstract

AbstractThis research aims to know 1) the process of making acid‐base indicator, 2) the way to use it, 3)the changing of colour caused by this indicator, 4) the way to make pH trajectory from tapak daraflower.This research was conducted in a two‐stage method; they are the making of pH indicator in theform of liquid and paper and that of pH trajectory as pH indicator.The result of the research shows that pH indicator from tapak dara flower in the form of liquidand paper shows a different colour in the condition of acid and base. This indicator can be used todetermine pH solution by matching the colour formed in the solution and that in pH trajectory. Theconclusions of this research are 1) liquid indicator is produced from the extraction of tapak dara flower,this extract is from the soaking of this flower with alcohol 70% and paper indicator is made by plungingfilter paper into this extract; 2) liquid indicator is used by dropping it into the solution that will be testedits pH and paper indicator by plunging the paper into the solution; 3) liquid and paper pH indicator fromtapak dara flower shows the changing of colour in the acid and base condition being observed; and 4) pHtrajectory is made by observing the changing of colour that is made its trajectory.Key Words: pH indicator, tapak dara flower, pH trajectory
SENI MURAL SEBAGAI MEDIA PENDIDIKAN GUNA MENCEGAHVANDALISME DI SMA NEGERI 5 YOGYAKARTA dan Diyan Fatimatuz Zahra, Ida Yeni R., Safrina Arifiani F.,
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
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Abstract

This research is intended to reduce the acts of vandalism by covering the wall withan inspirational mural as educational media in SMA N 5 Yogyakarta. The reason ofchoosing this school is because there are some vandalism actions there. This action isthe effect of the students’ hobbies in drawing on the everywhere wall or facilities of thisschool.This research focused on the reducing vandalism action through mural arts. It iseffective because the student can draw in the wall or any other places in that school.Through this activity, the creativity and the talent of the students will increase. Thetechniques of collecting the data were done by having observation, field note, anddocumentation. This research employed qualitative method.The result of the research shows that this program has been successful in reducingvandalism in this school. The students are accustomed to doing the productive activities.In addition, mural arts offer many other advantages like entertainment, creativity, goodworks, and the accessories of Yogyakarta Municipality. This art has been a uniquesymbol of Yogyakarta. At last, this action is not only as a hobby but also as a businessmotivator.Key Words : Mural arts, Educational media, Vandalism
PEMANFAATAN TANAMAN PARASIT TALI PUTRI (CASSYTHA FILIFORMIS L.)SEBAGAI MOLLUSCASIDA KEONG MAS (POMACEA CANALICULATA LAMARCK) Nur Hidayah dan Essy Purwaningtyas
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
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Abstract

This research aims to know the use of saponin substance contained in the extract of tali putri,Cassytha filiformis L., as the molluscicide material to the cold‐blooded animal, golden snail, as thedestructive pests of young rice plant.The subject of this research was molluscicide and the object was the extract of tali putri. Theresearcher tested whether the content of saponin in the extract of this plant could be made as a naturalmolluscicide. Afterwards, it was carried out an experiment to several golden snails.The results of the research shows that the content of the saponin substante in the extract of taliputri can be made as the molluscicide material for the cold‐blooded animal, golden snail. Futhermore,the experiment indicates that 100% of the examined golden snail died less than 24 hours after thetreatment.Keywords: tali putri, molluscicide, golden snail.
PEMANFAATAN LIMBAH DAUN KERING DAN KERTAS DAUR ULANGSEBAGAI BAHAN DASAR PEMBUATAN SCRAPBOOK Untung Kurniawan dan Agus Wakhid
Pelita - Jurnal Penelitian Mahasiswa UNY Volume IV, Nomor 1, April 2009
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Abstract

This research aims to know the process and feasibility of making scrapbook usingdry leaves and recycled paper. By using these two materials, it can be produced thelatest breakthrough with high art value and low price.The tools used in this prosess were stationery, ruler, brush, iron, scissors, andcutter while the materials were dry leaves, clean water, varnish, thiner, white glue ( woodglue), cardboard paper, carton, recycled paper, and natural additional widgets. Thisprocess followed some following steps: 1) collecting basic materials and tools, 2) initialcleaning, 3) determining theme, 4) forming and designing the cover, 5) forming pagesfrom recycled paper, 5) designing widgets from dry leaves, 6) arranging, 7) lacquering,and 9) testing the feasibility .The result of the research shows that the making of scrapbook as the handcraftusing recycled paper and dry leaves based on the feasibility procentage from experts ofhandiraf product is 82,8%). Meanwhile, the respond from societies who prefer the naturaldesign to made design is about 74% . This is an opportunity for marketing this product.Key words: scrapbook, dry leaves, recycled paper
PENGARUH INTENSITAS CAHAYA DAN SPEKTRUM CAHAYA TAMPAK TERHADAP PERTUMBUHAN UDANG PUTIH (LITOPENAEUSVANNAMEI) DITINJAU DARI SEGI HUBUNGAN PANJANG DAN BERAT Sudra Irawan, Didik Setyawarno, dan Watini
Pelita - Jurnal Penelitian Mahasiswa UNY Volume V, Nomor 1, April 2010
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Abstract

This research aims at firstly knowing the influence of light intensity and visible lightspectrum on the equation of the length and weight of the white prawn (VannameiLitopenaeus) looked after at the fishpond with intensive fully plastic conducting system andwith semi plastic based fishpond. Secondly, comparing the result of data analysis by 2 differentmethods - Weighted Regression Method (Carlander, 1968 in Effendie, 1997) and Least SquareMethod or Smallest Method Square (Sudjana, 1992). Thirdly, knowing the factor value ofCondition K(Tl) or of Condition Factor ( CF) in this researchIn this research there are 14 ( fourteen) fishponds. The method used is a case studymethod. In collecting the data there are two procedures which were executed. They are theprocedure of collecting the sample of prawn and the procedure of measuring the weightand length of the white prawn bodyThe results of the research are (1) there is an influence of light intensity and visible lightspectrum on the length and body weight of the white prawn looked after at fishpond withintensive fully plastic conducting system and semi plastic based fishpond, (2) the result ofthe data analysis by using 2 different methods indicate that semi plastic fishpond of 40 whiteprawn seed with lighting of 40 watt lamp has been compared to the highest growth level,the level of another fishpond, (3) the biggest condition factor is pool E.2 (semi plastic fishpondwith 40 white prawns with the lighting of 40 watt lamp.Keyword: Light intensity, light spectrum, and heavy and long relationship
PENINGKATAN MOTIVASI DAN HASIL BELAJAR SISWAPADA MATA PELAJARAN MATEMATIKA MELALUI PENERAPANTEORI BELAJAR GAGNE dan Resti Anggraeni, Farah Nirmala, Maryati,
Pelita - Jurnal Penelitian Mahasiswa UNY Volume V, Nomor 1, April 2010
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Abstract

This research is aimed at improving the motivation and learning achievementin mathematics among the grade 5 students of Panjangrejo I State Elementary Schoolthrough the application of Gagne’s learning theory.This study is a classroom action research. The subjects are the grade 5 students ofPanjangrejo I State Elementary School, 16 male students and 12 female students. Theresearch method is test and non test in the forms of observation, questionaire, interview,and field notes. The instruments of data collection are test items, observation sheets,questionaire sheets, interview guides, and field notes. The data analysis supported bythe quantitative is descriptive qualitative. This research was conducted in three cycles.The research was stopped when the students reached the minimal score of 65.The result of the research shows that the students’ learning motivation is high(39,29% in cycle I, 64,29% in cycle II, and 89,29% in cycle III). It means it improves 25%from cycle I to cycle II and also 25% from cycle II to cycle III. The learning achievementin the cognitive (c) and psychomotoric (p) aspects in cycles I, II, dan III reaching theminimal score is 32,14% (c) and 75% (p), 78,57% (c) and 96,43% (p), 100% (c) and 100%(p). It means the learning achievement in mathematics improves from cycle I to the endof cycle III. In other words, Gagne’s learning theory implemented in grade V of Panjangrejo1 state elementary school can improve the students’ learning motivation and learningachievement.Key words: learning motivation, learning achievement, mathematics, Gagne’s learningtheory
LIMBAH KULIT BUAH KESUMBA (BIXA ORELLANA L.) SEBAGAI ALTERNATIF INDIKATOR ASAM BASA ALAMI (IABA) Ria Nurindah, Friyatmoko Wahyu K., Dian Rahmawardani,Mekar Sari Dewi, dan Elfan Rosyadi
Pelita - Jurnal Penelitian Mahasiswa UNY Volume V, Nomor 1, April 2010
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Abstract

This research aims at revealing the process of making the indicator of acid basesfrom the rind of kesumba fruit (Bixa orellana L.), the changes of colour it produces, thebest solvent among ethanol, acetone, and ethyl acetate solvents used in the making ofacid base indicator and the way to use the indicator.The research was conducted in the analysis chemistry laboratory of the Faculty ofMathematics and Natural Sciences of Yogyakarta State University from February up toMay, 2010. the research methods include producing the acid base indicator from thepowder made of the rind of kesumba fruit and making pH route.The results of the research are 1). pH indicator of acid base can be made by usingthe pigment contained in the rind of kesumba fruit. The liquid indicator is made bydissolving the clean and thinly sliced rind kesumba fruit with solvent. The solution isleft for a night in order that all pigments can dissolve perfectly. The extract is then keptin a refrigerator. 2). The change of colour in the solvent that has been tested by using theliquid acid base pH indicator can be observed so that the pH route can be produced. ThepH route can be used by matching the change of colour in the solvent that has beentested by using the liquid indicator so that the pH solvent can be found. 3). The acetonesolvent proves to be the best solvent in the making of acid base indicator from the rindof kesumba fruit powder. The pH route of the indicator is: pH 2 – 7: pale yellow; pH 8 – 10: light brown; pH 11 – 12 : dark brown. 4). The liquid indicator is used by expelling 2 – 3drops of indicator into the small portion of the solvent and the change of colour isobserved. It the indicator shows pale yellow, the solvent is acid, whereas pH over 10 isindicated as dark brown in the indicator.Key words : kesumba, pH indicator, pH

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