El Código Secreto de Vocales

Section role: supports the 'El Código Secreto de las Uniones' section while the teacher formalizes the theory discovered during the grouping activity in Section 2, projecting rules and handling student questions. Slides: (1) Title — 'El Código Secreto de las Uniones'; (2) Vocales abiertas y cerradas — bullets: defining strong vowels (A, E, O) and weak vowels (I, U); (3) ¿Qué es un diptongo? — bullets: definition of vowel union, formula of open plus closed or closed plus closed, examples like 'cielo' and 'ciudad'; (4) ¿Qué es un hiato? — bullets: definition of vowel separation, formula of two open vowels, examples like 'teatro' and 'poeta'; (5) El poder de la tilde en el hiato — bullets: how an accent mark breaks a diptongo into a hiato, example comparing 'rio' and 'río'; (6) ¿Qué es un triptongo? — bullets: three vowels together with the closed-open-closed pattern, examples like 'buey' and 'Uruguay'; (7) Conexión con la práctica — bullets: previewing how these rules will be applied in the worksheet mission in Section 4. Closing slide: '¿Puede una tilde destruir una pareja de vocales?' — hands control back to the teacher to address individual questions.