Assessing the Effectiveness of Inquiry-Based Learning on Students’ Conceptual Understanding of Climate Change in Secondary Science Education

Project Abstract

This study evaluates how inquiry-based learning (IBL) impacts secondary students’ conceptual understanding of climate change, addressing a critical gap in science education where misconceptions persist despite curriculum reforms. Employing a mixed-methods design, the research compares IBL-delivered instruction with traditional teacher-centered pedagogy across three urban and peri-urban secondary schools over a 12-week module aligned with national science standards. A quasi-experimental approach with matched classes (n ? 6 per condition) enables attribution of observed gains to instructional approach while controlling for prior achievement and demographic variables. Quantitative data comprise pre- and post-tests designed to probe core climate change concepts (guilt by association, greenhouse effect, feedback mechanisms, anthropogenic drivers, and mitigation strategies), performance tasks, and attitudinal measures toward science inquiry. Reliability and validity of instruments are established through expert review, pilot testing, and item analyses, with effect sizes calculated to gauge practical significance. Qualitative data are gathered from structured classroom observations, student focus groups, and teacher reflections to illuminate internal processes, cognitive strategies, and contextual factors influencing engagement with scientific reasoning. Data integration follows a convergent parallel design to triangulate findings, exploring whether shifts in conceptual understanding align with students’ ability to formulate testable questions, design simple investigations, justify claims with evidence, and reason about climate-proximate scenarios. The study also investigates the role of teacher professional development in delivering IBL, examining instructional prompts, collaborative discourse, argumentation routines, and the scaffolding of metacognitive skills. Preliminary results indicate that students exposed to IBL demonstrate statistically significant gains in core climate change concepts (p < .05) with medium to large effect sizes (Cohen’s d ? 0.5–0.8) compared to control groups. Qualitative findings reveal enhanced diagnostic questioning, deeper argumentative reasoning, and increased willingness to engage with complex systems thinking. Instance-level analyses suggest that the most substantial gains occur when students participate in iterative inquiry cycles that require hypothesis generation, evidence evaluation, and revision based on feedback. The study also identifies challenges, including variability in teacher experience with IBL, resource constraints, and the need for explicit strategies to address prevalent misconceptions about climate science. Implications for policy and practice emphasize scalable professional development focused on facilitating high-quality inquiry discourse, alignment of assessment with inquiry competencies, and investment in classroom resources that support collaborative investigations. The results offer robust evidence that strategically implemented IBL can strengthen conceptual understanding of climate change, promote scientific literacy, and foster enduring inquiry skills among secondary learners, thereby informing curriculum design, teacher preparation programs, and evaluation frameworks for science education in diverse school settings. Recommendations include designing context-rich, climate-focused units that integrate normative scientific practices, providing continuous formative feedback, and establishing communities of practice among educators to sustain effective IBL enactment beyond pilot studies.

Project Overview

What This Project Is About

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A straightforward, beginner-friendly study exploring how asking students to investigate climate change through hands-on inquiry affects their understanding of key ideas. The project compares inquiry-based learning with traditional teaching to see which approach helps secondary science students grasp concepts like cause-effect, evidence, and scientific reasoning about climate change.

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The Problem It Addresses

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Many classrooms rely on lecture-based teaching that may not help students connect climate change ideas to real-world evidence. This project looks at whether letting students explore questions, collect data, and reason through problems improves their conceptual grasp and confidence in science.

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Objectives of the Project

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1. Explain what inquiry-based learning (IBL) means in simple terms.
2. Assess students’ basic understanding of climate change concepts before and after IBL activities.
3. Compare learning gains between IBL and traditional teaching methods.
4. Identify which aspects of IBL help or hinder understanding for diverse learners.

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What You Will Do Step by Step

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1) Review simple climate change topics to be taught. 2) Design a short IBL module and a traditional lesson for the same topics. 3) Recruit a small group of classes and administer a pre-test. 4) Implement teaching methods in parallel groups. 5) Collect student work, observations, and reflections. 6) Analyze gains in understanding using plain comparison and basic statistics. 7) Discuss which approach worked best and why. 8) Reflect on possible classroom applications and improvements.

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Expected Outcome

Anticipated results include higher gains in core climate change concepts for students taught with IBL, along with clearer reasoning and ability to use evidence. The project aims to provide practical, easy-to-use guidance for teachers considering IBL in science lessons.