Contextual Chemistry Practical Training for Secondary Science Teachers: Bridging Infrastructure Deficits Through Problem-Based Learning

Authors

  • Noor Hindryawati Mulawarman University
  • Mohammad Makmun Qomar State Junior High School 34 Samarinda
  • Husna Syaima Mulawarman University
  • Irfan Ashari Hiyahara Mulawarman University
  • Hajar Anuar Mulawarman University
  • Teguh Wirawan Mulawarman University
  • Nurdahlia Nurdahlia Mulawarman University
  • Nina Apriliana Mulawarman University
  • Cindy Aulia Mulawarman University
  • Ilham Ali Nurdin Mulawarman University

DOI:

https://doi.org/10.55927/jpmf.v5i5.26

Keywords:

Contextual Chemistry, Problem-Based Learning, Science Process Skills, Higher-Order Thinking Skills, Claim-Evidence-Reasoning

Abstract

This article evaluates a 10-hour community-service training program organized by Mulawarman University for 13 junior-secondary (SMP/MTs) science teachers in North Samarinda, Indonesia. The program supported teachers in designing contextual chemistry practicals integrating Problem-Based Learning (PBL), Science Process Skills (SPS), Higher-Order Thinking Skills (HOTS), and Claim–Evidence–Reasoning (CER). The pre-test mean was 96.15/100 (n = 13), whereas the post-test mean was 88.89/100 (n = 9). Post-test item analysis showed strong performance on HOTS classification and worksheet design, but errors remained in identifying dependent variables (44.4%), selecting control variables (33.3%), and selecting quantitative evidence for CER explanations (55.6%). The findings suggest that low-cost contextual practicals offer a feasible basis for teacher professional development, while variable control and quantitative evidence-based reasoning require further guided practice and follow-up support.

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Published

2026-10-29