This nonfiction reading passage, “The Planet's Uncontacted Tribes,” will arouse your students’ natural curiosity. Its comprehension questions will reinforce skills such as inference, text purpose, textual evidence, and central idea. It also addresses the question, "Why do many of the world's indigenous tribes reject contact with our modern world?" Each of these nonfiction passages is accompanied by reading comprehension questions along with embedded academic vocabulary with a review and a quiz