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RESEARCH PAPER
The concept of pH and its logarithmic scale: A Micro Bit experience through inquiry, modeling, and computational thinking
1
Department of Integrated Didactics, Faculty of Education and Sports Sciences, University of Huelva, Huelva, SPAIN
2
Faculty of Education in Sombor, University of Novi Sad, Novi Sad, SERBIA
Online publication date: 2024-03-22
Publication date: 2024-04-01
EURASIA J. Math., Sci Tech. Ed 2024;20(4):em2424
KEYWORDS
ABSTRACT
The present work describes an educational experience carried out in a secondary school in Spain,
where the case of Tinto River is presented as a learning scenario to understand the concept of pH
and its logarithmic scale. Through the use and programming of controller boards (Micro Bit) and
sensors, this study aims to address the underlying level of abstraction and alternative conceptions
related to these topics. The intention is to provide practical examples for the development of a
teaching-learning sequence based on inquiry, modeling, and computational thinking. This
sequence addresses a current socio-scientific issue, while also considering students’ comments,
and considering the Spanish digital competence model. The analysis includes an evaluation of its
strengths, weaknesses, opportunities, and threats. The results indicate that the sequence can be
highly motivating in understanding the concepts presented and in acquiring digital competencies.
However, it also reveals limitations in terms of time required and the complexity of its design.
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