These proceedings contain the papers of the 22nd International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA 2025), held in Porto, Portugal, from 1 to 3 November 2025 and organized by the International Association for Development of the Information Society (IADIS). [Individual papers are indexed in ERIC.]

Abstraction is a key concept in CS, one of the most fundamental ideas underlying CS and its practice. However, teaching this soft concept to novices is a very difficult task, as discussed by many CSE experts. This paper discusses this issue, and suggests a general framework for teaching abstraction in CS to novices, a framework that would fit into…

Computational science includes the use of computer-based modeling and simulation to define and test theories about scientific phenomena. The challenge for educators is to develop techniques for implementing computational science in the classroom. This paper reviews some previous work on the use of simulation alone (without modeling), modeling…