Middle schoolers can analyze primary source documents to answer the question, "Why did the Aztec and Inca civilizations disappear?" They will read the provided excerpts then answer 11 different questions to uncover the ultimate answer.

In this worksheet on Panama, students read an introduction about Panama, then read about its history, The Panama Canal, the Kuna Indians and the Endangered Species of Panama. After each selection, students answer a set of related questions.