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Tri Putri Wahyuni
Universitas Negeri Padang
Biochemistry, Genetics & Molecular Biology Chemistry Education Mathematics Physics Other

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The Validity and Reliability of The Instrument Assessment of Higher Order Thinking Skill on The Biological Scope Materials Ganda Hijrah Selaras; Yuni Ahda; Heffi Alberida; Tri Putri Wahyuni
Bioeducation Journal Vol 3 No 2 (2019): Bioeducation Journal
Publisher : Universitas Negeri Padang Address: Biology Education Study Program Faculty Mathematics and Natural Science (FMIPA) Jl. Prof. Dr. Hamka Air Tawar Barat, Padang-West Sumatera-Indonesia Telp. +62751-7057420 - Fax.+62751-7058772 - Ph. +6281363229286

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bioedu.v3i2.242

Abstract

High Order Thinking Skill (HOTS) requires students to connect, analyze, and also transform their knowledges and experiences. To determine students' high-level thinking skills, we can use assessment instruments. A good instrument should be valid and reliable so it is feasible to measure and assess what it wants to be measured and assessed. Therefore it is necessary to know the level of validity and reliability of the higher order thinking assessment instruments. The instrument used in this study in the scope of biology material. This type of research is descriptive research. The subjects of this study were students of grade X MIPA 5 SMA 5 Padang. Based on the results of data analysis, the assessment instrument of high order thinking skill on biological scope material is logically valid, empirical valid and reliable.
Effectiveness of Using YouTube Video-Based Science Learning Media on Class VIII Student Learning Outcomes Atyka Trianisa; Tri Putri Wahyuni
Science Journal Get Press Vol 1 No 2 (2024): April, 2024
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v1i1.26

Abstract

Natural science education (IPA) is an integral part of the education curriculum that aims to introduce students to scientific concepts, develop problem-solving skills, and improve their understanding of natural phenomena. The use of YouTube video-based science learning media has great potential in improving the effectiveness of science learning. By stimulating student engagement, strengthening visual understanding, providing accessibility and flexibility, and increasing learning motivation, YouTube video-based science learning media can be a powerful tool in achieving better learning outcomes at the secondary education level. This research uses a quantitative research approach. This type of research uses Quasi-experimental Design research. Quasi experimental Design, while the research design is Non equivalent Control Group Design. that there is a difference in learning outcomes between the control class and the experimental class with a significant value of 0.021 <0.05 which means H0 is rejected and H1 is accepted. The results of this study concluded that there was an effect of using Youtube video-based science learning media on the learning outcomes of 8th grade students. Continue to integrate the use of YouTube videos in teaching methods and always carry out regular monitoring and evaluation of the impact to ensure that learning objectives are achieved optimally.
Bioactivity and Benefits of the Okra Plant (Abelmoschus Esculentus (L.) Moench.) : Literature Review Tri Putri Wahyuni; Atyka Trianisa
Science Journal Get Press Vol 1 No 3 (2024): July, 2024
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v1i3.48

Abstract

Abelmoschus esculentus L., commonly known as okra, is a flowering plant belonging to the Malvaceae family. Okra is a versatile plant due to the various uses of its fresh leaves, buds, flowers, pods, stems, and seeds. Okra is a popular health food because of its high content of fiber, vitamin C, and folate, as well as being a good source of calcium and potassium. Additionally, this plant has been used medicinally in the treatment of several disorders, demonstrating anti-cancer, antimicrobial, hypoglycemic, and anti-ulcer activities. Okra is a vegetable crop with diverse nutritional qualities and potential health benefits. This plant is also known to be high in antioxidants. The purpose of this research is to investigate bioactivities such as antioxidant, anti-cancer, antibacterial, and antidiabetic activities, as well as to determine the benefits of okra.
Implementation of the Problem-Based Learning Model to Improve Student Learning Outcomes on Green Chemistry Material in E Phase MAS MTI Batang Kabung, Padang City Tri Putri Wahyuni; Dian Permata Sari
Science Journal Get Press Vol 1 No 3 (2024): July, 2024
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v1i3.66

Abstract

This study investigates the efficacy of problem-based learning (PBL) in enhancing student learning outcomes in Green Chemistry at MAS MTI Batang Kabung, Padang City. The research addresses the prevalent use of conventional teaching methods, which have resulted in low student engagement and academic performance. A classroom action research design, based on Kemmis and McTaggart's model, was employed. The study population comprised Grade X Phase E students from the 2023/2024 academic year, with a sample drawn from classes X.1 and X.2. Data collection methods included observation, questionnaires, documentation, and field notes. Analysis of learning outcomes utilized percentage techniques and t-tests. The implementation of PBL showed significant improvement in student learning outcomes. Average scores increased from 71.61% in the first cycle to 86.96% in the second cycle. These results demonstrate that PBL effectively enhances student performance in Green Chemistry education at MAS MTI Batang Kabung. This research contributes to the growing body of evidence supporting the use of active learning strategies in chemistry education, particularly in the Indonesian context. The findings suggest that wider adoption of PBL could lead to improved educational outcomes in similar settings.
Development of Microorganisms Capable of Absorbing Environmental Pollutants through Synthetic Biological Engineering Tri Putri Wahyuni; Atyka Trianisa; Silvira Ilhami; Melati Latifah
Science Journal Get Press Vol 1 No 4 (2024): October, 2024
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v1i3.89

Abstract

In Indonesia, environmental pollution is a major concern, especially in industrialised and urban areas. The use of synthesised microorganisms can be an innovative solution to rehabilitate the damaged ecosystems in this region. In this research, an innovative approach based on synthetic biological engineering will be developed to create microbes that have an optimal capacity to absorb and decompose various types of environmental pollutants, such as heavy metals (Pb and Hg), hydrocarbons (benzene), and organic waste (phenol). The results show that the engineered bacteria Escherichia coli, Pseudomonas putida, Bacillus subtilis, and Alcaligenes eutrophus showed high pollutant removal efficiency (85-93%) under laboratory conditions. These results support the potential of synthetic biology technology as an innovative solutions in bioremediation of polluted environments. This research makes a real contribution to green technology innovation in environmental pollution mitigation, supporting the implementation of Sustainable Development Goals (SDGs), especially on points 6 (Clean Water) and 15 (Land Ecosystems).
Use of Bioremediation with Microbes for Industrial Waste Management Tri Putri Wahyuni; Atyka Trianisa
Science Journal Get Press Vol 2 No 1 (2025): January, 2025
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v2i1.107

Abstract

Rapid industrial growth has significantly contributed to environmental pollution, particularly through hazardous waste disposal. Industrial waste, including heavy metals and toxic organic compounds, poses a major challenge for sustainable environmental management. Improper management of this waste can lead to contamination of water, soil, and air, threatening human health and ecosystems (Bagaskara, 2023; Supraptini, 2002). This study investigates the potential of bioremediation using microbes for industrial waste management and identifies factors influencing its effectiveness. Conducted as an experimental laboratory study, the research tests various microorganisms known for their bioremediation capabilities, such as Pseudomonas, Bacillus, and Aspergillus.Analysis of contaminated soil revealed lead (Pb) levels at 63.1 mg/kg, exceeding the livestock toxic limit of 10–30 mg/kg. The growth index (GI) for the inoculum treatment increased by 84.3% to 136.7% over a sixty-day incubation period, while the control treatment showed minimal changes (88.8% to 111.7%). These findings indicate that optimal incubation conditions and appropriate microbial selection can enhance soil quality, making it safer for plant growth and less harmful to the environment. Expanding bioremediation practices could significantly mitigate the adverse effects of industrial waste on environmental pollution. Overall, this research highlights the viability of microbial bioremediation as an effective strategy for managing industrial waste and improving ecological health.
Co-Authors Atyka Trianisa Atyka Trianisa Dian Permata Sari Heffi Alberida Melati Latifah Selaras, Ganda Hijrah Silvira Ilhami Yuni Ahda