Didactic strategy for understanding chemical reactions from project-based learningThis current work is the product of the design of a didactic strategy, in which it was sought to improve since Project Based Learning (PBL), the understanding of the concept of chemical reactions, enhancing the ability to explain phenomena.The interventions were aimed at 10th grade students and due to the use of PBL, aspects such as teamwork, the use of ICTs and experimental practices were involved.The concept of chemical reactions was approached with the students from a project on making homemade sweets, from which a greater appropriation of said concept was evidenced and it was also verified that the implemented strategy enhances teamwork skills and explanation of phenomena.