University of Northern Philippines/College of Teacher Education

Jefferson R. Borillo
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Jefferson R. Borillo: University of Northern Philippines/College of Teacher Education

International Journal of Research and Innovation in Social Science, 2025, vol. 9, issue 6, 5667-5707

Abstract: This study aimed to develop Practical Laboratory-Based Activities in General Chemistry for Grade 11 Students for the School Year 2022-2023. The developed learning materials included activities on the topics of Gas Laws, ideal gas law, and Dalton’s law. These topics were selected based on the results of a diagnostic test taken by the Grade 11 students, which is considered the least mastered competency in General Chemistry I. This study employed the research and development method, involving the planning, development, and evaluation of materials anchored to the ADDIE model. Ten expert evaluators in the field of science evaluated the learning material, considering its content, format, presentation, organization, accuracy, and the currency of information, utilizing an adapted evaluation rating sheet designed for print resources provided by Learning Resource Management and Development System (LRMDS) of the Department of Education (DepEd). To ensure alignment with its intended learners, the Flesh-Kincaid Grade Level was employed to determine the readability level of the developed learning material.

Date: 2025
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