This document provides a lesson plan for teaching intercultural reflection to third year secondary students in Argentina. The plan aims to raise students' awareness of intercultural diversity and the influence of Guaraní language on Argentinian Spanish and English. Key activities include listening to audio on Guaraní words used in different regions of Argentina, reading texts on Guaraní influence, and discussing vocabulary. The plan scaffolds support for students and accommodates possible needs of students with dyslexia by limiting new vocabulary.