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Journal : Al Ilmi

Uji Kualitas Air Sumur Dengan Menggunakan Metode MPN (Most Probable Numbers) Novita Sunarti, Riri
BIOILMI Vol 1, No 1 (2015): Agustus 2015
Publisher : Fakultas Tarbiyah dan Keguruan,Universitas Islam Negeri

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Abstract

Water used for drinking is healthy water that must meet the requirements of Bacteriology, based Kepmenkes RI No: 907 / Menkes / SK / VII / 2002 concerning the terms and monitoring the quality of drinking water, where for the value of the Most Probable Number (MPN) is 0 / 100 ml water samples were analyzed. In the method of testing microbiological quality of drinking water is used as an indicator Coliform group. The purpose of this study was to detect the presence of Coliform bacteria in water samples tested wells. Samples were tested in the form of water wells located in the Village RT.V Padang Jati. Research Well Water Quality Test Method Using MPN (Most Probable Numbers) was conducted in March 2014. This study uses observation deskription is through direct observation to determine the possibility of Coliform bacteria and fecal Coli. Data based on observations or surveys taken directly to the location you made to sample, as well as the examination of samples directly in the laboratory to obtain primary data. Results or Coliform MPN index and fecal Coli were compared using the formula 555 Thomas MPN table. The results showed that all samples test positive for Coliform bacteria, so it is not fit for use as drinking water.
THE EFFECT OF EXPERIMENT LEARNING METHOD ON STUDENTS’ PROCESS SKILL OF VIII CLASS ON THE MOVEMENT PLANT MATERIAL 'Aini, Kurratul; Samiha, Yulia Tri; Sunarti, Riri Novita; Azizi, Nurul
Al 'Ilmi : Jurnal Pendidikan MIPA Vol 4 No 1 (2015): Al 'Ilmi : Jurnal Pendidikan MIPA
Publisher : Universitas Islam Negeri Raden Fatah

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Abstract

The purpose of this study was to determine the effect of experimental teaching methods on the skills of science process students in class VIII MTs in OKI District. This research uses non-equivalent control group design design with quasi-experiment method. The sample of research is 68 students. Based on the result of research, students' science process skill in the implementation of learning with experimental method is better than learning by demonstration method in control class. Based on the calculation of t test, obtained result 3,218. It shows H0 rejected and Ha accepted. Based on the gain test, the improvement of students' science process skill in the experimental class is 0,53 (mean) while the control class is 0,23 (low). Based on the results of this study can be concluded that the learning by experimental methods affect the improvement of students' science process skills on the plant movement system.Keywords: learning method, plant movement system, scientific process skill