Experimental activity as an educational tool in Chemistry in Middle school: a teaching proposal. Research, Society and Development, [S. l.], v. 8, n. 7, p. e48871162, 2019. DOI: 10.33448/rsd-v8i7.1162. Disponível em: https://rsdjournal.org/rsd/article/view/1162. Acesso em: 5 dec. 2025.