Ahmad Zaeni, Ahmad
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KEEFEKTIFAN MODEL PEMBELAJARAN SNOWBALL THROWING DENGAN PENDEKATAN KONTEKSTUAL TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA KELAS VIII MATERI BANGUN RUANG SISI DATAR Zaeni, Ahmad; Sulistyaningsih, Dwi; Suprayitno, Iswahyudi Joko
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2017: Prosiding Seminar Nasional Pendidikan, Sains dan Teknologi
Publisher : Universitas Muhammadiyah Semarang

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Abstract

This study aims to determine the effectiveness of Snowball Throwing learning modelwith a contextual approach to the ability of mathematical communication. Thisresearch is an experimental research with population of all class VIII in MTsHidayatussibyan Lancar. Sampling technique using Saturated Sampling. Samplingtechnique using Saturation Sampling technique. The sample in this research is class VIII A, VIII B and class VIII C. Data collection method used in this research is interview, documentation, observation, questionnaire, and test. The results of this study show that learning achieves individual mastery with an average of 81.2 and classical completeness of 80.9%. The result of influence test showed the influence of student's activeness and interest toward the mathematical communication ability of 92%. Different test results also show that there is a difference of average mathematical communication ability between experimental class and control class, with the average of experimental class 81,2 while control class average is 77,2. Based on this it can be concluded that learning using Snowball Throwing model with a contextual approach to the ability of effective mathematical communication.Keywords: Snowball Throwing, contextual, mathematical communication ability.
UJI AKTIVITAS TABIR SURYA FORMULA SEDIAAN LOSIO EKSTRAK METANOL DAUN MANGKOKAN (Nothophanax scutellarium Merr.) Suryani, Suryani; Hamsidi, Rini; Ikawati, Nurlena; Zaeni, Ahmad; Hasnawati, Hasnawati
Medula Vol 2, No 1 (2014)
Publisher : Medula

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Abstract

Leaves of mangkokan  (Nothophanax scutellarium Merr.) contain a potent antioxidant and sunscreen compounds. This plant potential to be developed into cosmetic products. One of cosmetic product that can be developed  using  natural  product  is  lotion.  This  research  aims  to  formulate  lotion  from  methanol  extracts  of leaves  mangkokan  and  determining  the  sunscreen  activity  of  lotion  with  various  concentration  of  the  extract 1%; 2.5%; 5%; 7.5%; and 10% using laboratory experimental design.  Preparation of mangkokan leaf extracts using methanol solvent by maceration method. Further tests conducted to determine the activity of sunscreen. Methanol extract of the leaves mangkokan then formulated to be lotion. Sunscreen activity of lotion was tested by  determaining  SPF  values.  Lotion  methanol  extract  of  leaves  mangkokan  resulting  the  highest  SPF  value contained in the methanol extract of the leaves mangkokan concentration of 10%. Keywords: mangkokan leaves, lotion, extract, lotion, sunscreen
KONSEP SUNNAH MENURUT SA’DUDDIN AL-USMANI AKAR SEJARAH DAN DINAMIKANYA Zaeni, Ahmad
Risâlah, Jurnal Pendidikan dan Studi Islam Vol 5 No 2, Sept (2019): Risâlah, Jurnal Pendidikan dan Studi Islam
Publisher : Fakultas Agama Islam Universitas Wiralodra Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (952.24 KB) | DOI: 10.31943/jurnal_risalah.v6i1.112

Abstract

Tulisan ini menyajikan konsep sunnah menurut Sa?duddin al-?Us\ma>ni> ditinjau dari akar sejarah dan dinamikanya. Jenis penelitian ini bersifat kualitatif karena yang dikaji adalah pustaka tanpa bersandar pada data numerikal. Metode analisis data yang digunakan adalah content analysis dan menggunakan pendekatan historis. Untuk menganalisis akar sejarah pemikiran Sa?duddin, penulis menggunakan teori epistemologi konsep sunnah menurut Al-Qarad}a>wi. Menurutnya, Ibn Qutaibah adalah ulama pertama yang mengkaji konsep sunnah dan mengklasifikasikannya, dilanjutkan al-Qara>fi, Ibn al-Qayyim hingga ulama kontemporer para ulama pengkaji sunnah kalangan us|}uliyi>n. Hasil penelitian menunjukkan bahwa konsep sunnah menurut Sa?duddin berakar pada konsep sunnah menurut usuliyyin klasik hingga kontemporer dengan teori al-sunnah al-tasyri>?iyah dan al-sunnah ghair al-tasyri>?iyah, namun Sa?duddin merumuskan konsep sunnahnya dengan teori al-tas}arrufa>t al-tasyri>?iyah yang ia namakan al-sunnah al-nabawiyah dan al-tas}arrufa>t gair al-tasyri>?iyah.