Effectiveness of PhET Simulation in Acid–Base Practicum for Maritime Engineering Students: Alignment with IMO Model Course 7.04

Authors

  • Khoirotun Nafillah Politeknik Maritim Negeri Indonesia
  • Helena Devi Ariyani Politeknik Maritim Negeri Indonesia
  • Kirtyana Nindita Politeknik Maritim Negeri Indonesia
  • Fajar Sari Kurniawan Politeknik Maritim Negeri Indonesia
  • Ahmad Umam Aufi Politeknik Maritim Negeri Indonesia

DOI:

https://doi.org/10.24114/16jkaq62

Keywords:

PhET Simulation, Virtual Laboratory, Acid-Base, Learning Outcomes, IMO Model Course 7.04

Abstract

This study aims to examine the effectiveness of PhET Simulation in acid–base practicums for maritime engineering students. The study addresses common challenges in basic chemistry practicums, including limited laboratory facilities, restricted practicum time, and students’ low conceptual understanding. As a novel contribution, this study provides empirical evidence on the use of interactive virtual simulations in the context of maritime vocational education aligned with IMO Model Course 7.04. A pre-experimental one-group pretest–posttest design was employed involving 72 first-semester students. Data were collected using a validated and reliable multiplechoice test and analyzed using non-parametric statistical methods. The results indicate a significant improvement in students’ learning outcomes after the implementation of PhET Simulation. These findings suggest that virtual laboratory simulations are an effective alternative to support conceptual understanding in acid–base learning. Furthermore, this study highlights the potential of integrating digital simulation tools into maritime chemistry education to support competency standards outlined in IMO Model Course 7.04. 

Author Biographies

  • Helena Devi Ariyani, Politeknik Maritim Negeri Indonesia

    Engineering department

  • Kirtyana Nindita, Politeknik Maritim Negeri Indonesia

    Nautical Department

  • Fajar Sari Kurniawan, Politeknik Maritim Negeri Indonesia

    Marine Transportation Department

  • Ahmad Umam Aufi, Politeknik Maritim Negeri Indonesia

    Engineering Department

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Published

2026-05-31

Issue

Vol. 8 No. 1 (2026): APRIL 2026 EDITION

Section

Articles