2025-03-272025-03-272025-02-11https://repositorio.ifal.edu.br/handle/123456789/913The objective of this final project is to study the application of a practical experiment that uses red cabbage as a natural pH indicator in chemistry. The term pH is essential in chemistry and is necessary to understand the acidity and alkalinity of solutions. However, students often have difficulty understanding these abstract concepts. This is why education should be more dynamic and interactive. Red cabbage was chosen for this study because it has the ability to change color at different pH levels, making it an easy-to-use and accessible visual resource. The experiment consists of making cabbage extracts and using them to test the pH of various solutions allows students to observe the color changes that reflect changes in pH. The results of the questionnaires and observations administered to the students show that the practical activity arouses curiosity and theoretical understanding of pH. Students reported that they retained more information and were able to apply the ideas to everyday situations. This dissertation emphasizes the importance of incorporating hands-on experiences into chemistry teaching and shows how the use of natural indicators such as red cabbage can improve learning, democratize access to educational resources, and encourage students to experiment. The research findings indicate that this method can be a valuable pedagogical tool that helps create more meaningful and engaging learning.ptQuímicaQuímica – EnsinoIndicador naturalMeaningful learningChemistry - TeachingTrabalho de Conclusão de CursoCIENCIAS EXATAS E DA TERRA::QUIMICA