Developing Inquiry-Based Laboratory Modules to Enhance Critical Thinking in High School Science Education: A Case Study on Sustainable Energy Concepts

Project Abstract

This study investigates the design, implementation, and evaluation of inquiry-based laboratory modules aimed at enhancing critical thinking among high school students within the context of sustainable energy concepts. Grounded in constructivist learning theory and inquiry-based science education (IBSE) frameworks, the research develops a sequence of laboratory activities that transition students from guided inquiries to open-ended investigations, enabling them to formulate questions, design experiments, analyze data, and justify conclusions with evidence. The central research questions pursue (1) the extent to which the inquiry-based modules improve students’ critical thinking skills as measured by validated assessment instruments, (2) how students’ conceptual understanding of sustainable energy principles evolves through hands-on inquiry, and (3) the impact of the modules on students’ attitudes toward science, motivation to engage in scientific practices, and perceived relevance of science to daily life and future careers. A mixed-methods design combines quantitative assessments with qualitative data to provide a comprehensive picture of learning gains and contextual factors influencing implementation. Pre- and post-tests assess critical thinking using a rubric aligned with Bloom’s taxonomy and contemporary IBSE benchmarks, while concept inventories gauge understanding of energy concepts, efficiency, systems thinking, and the environmental and societal dimensions of energy choices. Process data include student work samples, lab reports, reflective journals, and performance on inquiry tasks, as well as classroom observations and teacher interviews to capture fidelity of implementation, collaborative dynamics, and instructional adjustments. The intervention spans a full academic term, integrated into a sustainable energy unit across multiple science disciplines (physics, chemistry, and earth science) to promote cross-cutting connections and systems thinking. Analyses examine (a) statistical differences in critical thinking and content knowledge between intervention and comparison groups, (b) the quality and depth of argumentation and evidence use in student explanations, and (c) the relationship between inquiry practices and learning outcomes. The study also explores equity considerations, including how the modules affect diverse learners, language learners, and students with varying prior achievement levels. The findings are expected to show that structured inquiry prompts higher-order thinking, data-driven reasoning, and justification of claims, as students engage in iterative experimentation, hypothesis generation, and comparative analysis of renewable and nonrenewable energy scenarios. The research also anticipates identifying key facilitator practices, resource needs, and potential barriers such as time constraints, assessment alignment, and teacher professional development requirements. Recommendations will address scalable design principles for curriculum developers, implications for teacher preparation programs, and policy considerations for integrating IBSE-oriented sustainable energy modules into standard science curricula. The study contributes empirical evidence on how inquiry-based laboratory experiences can catalyze critical thinking while fostering scientifically literate and civically engaged students who can analyze energy technologies, evaluate trade-offs, and make informed decisions about sustainable futures.

Project Overview

What This Project Is About

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A hands-on study for high school science education that uses easily accessible, inquiry-based lab activities focused on sustainable energy concepts to strengthen students’ critical thinking and scientific reasoning.

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The Problem It Addresses

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Many science classes rely on memorization rather than inquiry, leaving students with shaky understanding of energy concepts and how to evaluate evidence. This project fills the gap by introducing lab modules that prompt questioning, data interpretation, and explanations grounded in real-world sustainable energy issues.

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Objectives of the Project

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1. Increase student ability to ask testable questions about energy topics.
2. Improve skills in collecting and analyzing simple experimental data.
3. Help students make evidence-based conclusions about sustainable energy options.
4. Develop teachers’ capacity to implement inquiry-based labs in a typical classroom.

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What You Will Do Step by Step

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1) Review existing energy-related lessons and identify gaps in inquiry opportunities.

2) Design a set of modular labs (e.g., solar, wind, efficiency) aligned with standards.

3) Pilot the modules with a class, guiding students through questions, hypotheses, data collection, and conclusions.

4) Collect qualitative feedback from students and teachers, plus quantitative performance data.

5) Analyze results to assess improvements in critical thinking and understanding.

6) Refine modules based on findings and prepare a teaching guide.

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Expected Outcome

Students demonstrate sharper critical thinking, better data interpretation, and more reasoned explanations about sustainable energy. Teachers gain practical, ready-to-use lab modules that fit typical curricula, potentially leading to broader adoption in schools.