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Hayati, Dwi Puji
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Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education

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IMPLEMENTATION OF THE PRACTICUM METHODS WITH GUIDED-DISCOVERY MODEL TOTHE STUDENT SKILL OF SCIENCE PROCESS Hayati, Dwi Puji; Bintari, Siti Harnina; Sukaesih, Sri
Journal of Biology Education Vol 8 No 3 (2019): December 2019
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v8i3.21943

Abstract

Biology learning in SMA N 2 Batang still emphasized cognitive ability, has not yet oriented on the development of student skill of science process. The purpose of this research is to analyze theimplementation of practicum methods with guided-discovery model on students skill of science process. This research is Pre-Experimental with Pre-Test and Post Test Group Design. The sample was determined by purposive sampling, X MIPA 1 and X MIPA 2 as experiment class-1 and -2. The results obtained from the test and non-test. The result of skill of science process test was analyzed by N-gain. The average of N-gain test result from the experimental class is 11,4% in high category, 64,3% in medium category, and 24,3% in low category. Analysis of post-test result and student observation result in good category. The success of this method implementation in MIPA 1 is 95,15% and MIPA 2 is 88,9% with very high category. Students and teachers respond well to the implementation of practicum method with guided-discovery model. The conclusion of this research is the implementation of practicum method with guided-discovery model of environmental change material can develop student skill of science process in observing, classifyng, predicting, measuring, concluding, and communicating aspects.
Implementation of The Practicum Methods with Guided-Discovery Model toThe Student Skill of Science Process Hayati, Dwi Puji; Bintari, Siti Harnina; Sukaesih, Sri
Journal of Biology Education Vol 8 No 3 (2019): December 2019
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v8i3.21943

Abstract

Biology learning in SMA N 2 Batang still emphasized cognitive ability, has not yet oriented on the development of student skill of science process. The purpose of this research is to analyze theimplementation of practicum methods with guided-discovery model on students skill of science process. This research is Pre-Experimental with Pre-Test and Post Test Group Design. The sample was determined by purposive sampling, X MIPA 1 and X MIPA 2 as experiment class-1 and -2. The results obtained from the test and non-test. The result of skill of science process test was analyzed by N-gain. The average of N-gain test result from the experimental class is 11,4% in high category, 64,3% in medium category, and 24,3% in low category. Analysis of post-test result and student observation result in good category. The success of this method implementation in MIPA 1 is 95,15% and MIPA 2 is 88,9% with very high category. Students and teachers respond well to the implementation of practicum method with guided-discovery model. The conclusion of this research is the implementation of practicum method with guided-discovery model of environmental change material can develop student skill of science process in observing, classifyng, predicting, measuring, concluding, and communicating aspects.
Implementation of the Practicum Methods with Guided-Discovery Model to the Student Skill of Science Process Hayati, Dwi Puji; Bintari, Siti Harnina; Sukaesih, Sri
Journal of Biology Education Vol 7 No 1 (2018): April 2018
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v7i1.23005

Abstract

Biology learning in SMA N 2 Batang still emphasized cognitive ability, has not yet oriented on the development of student skill of science process. The purpose of this research is to analyze theimplementation of practicum methods with guided-discovery model on students skill of science process. This research is Pre-Experimental with Pre-Test and Post Test Group Design. The sample was determined by purposive sampling, X MIPA 1 and X MIPA 2 as experiment class-1 and -2. The results obtained from the test and non-test. The result of skill of science process test was analyzed by N-gain. The average of N-gain test results from the experimental class is 11,4% in high category, 64,3% in medium category, and 24,3% in low category. Analysis of post-test result and student observation resulted in good category. The success of this method implementation in MIPA 1 is 95,15% and MIPA 2 is 88,9% with very high category. Students and teachers respond well to the implementation of practicum method with guided-discovery model. In conclusion the implementation of practicum method with guided-discovery model of environmental change material can develop student skill of science process in observing, classifyng, predicting, measuring, concluding, and communicating aspects.
Soil Contamination in Randukuning Landfill: Morphological-Physiological Responses of Celosia argentea L. and Cleome rutidosperma D.C. Hayati, Dwi Puji; Nugroho, Andhika Puspito
Jurnal Biodjati Vol 7 No 2 (2022): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v7i2.18524

Abstract

The soil in the Landfill area has generally been contaminated by various types of pollutants, including heavy metals, microplastics, ammonia, chloride, benzene, toluene, ethylene, ethylene benzene, and xylene (BTEX). At high concentrations, the pollutant can cause toxic effects on plants. The study aimed to evaluate the morphological and physiological conditions of C. argentea L. and C. rutidosperma D.C. after being planted on Randukuning landfill soil. Plant species were planted on landfill soil in the greenhouse for two months. Morphological observations (stem length, root length, and the number of leaves) and physiological (biomass of roots, stems, and leaves) were carried out on days 0, 3, 7, 14, 21, and 28 after planting on landfill soil. The results showed that C. argentea L. and C. rutidosperma D.C. did not show morphological and physiological effects. Both species can grow well on landfill soils. Therefore, these species can be potential phytoremediation agents.
Co-Authors Andhika Puspito Nugroho Siti Harnina Bintari Sri Sukaesih