Students suggest possible structures for a molecule and the vote on which ones are correct. Then, two or three students can be selected to calculate the structure on the chalkboard, while the rest of the students do so with paper and pencil. They walk through the formal calculations and compare their answers to the results of the voting at the beginning of the class.
This role play debate has participants take on the perspective of leftist Chilean university students in the late 1960s, just before Socialist Salvador Allende won the presidency and shortly thereafter was toppled by the military.
In this "murder mystery" activity, a beloved professor has been murdered in his mansion. The students have to take on the roles of different characters and, using Portuguese past verb tenses and relevant vocabulary, solve the mystery.