[Free Registration/Login Required] This two-page PDF nonfiction passage entitled "Volcanoes: Magma Rising: Studying Volcanoes" discusses how they study volcanoes to learn how they work. It is part of Paired Texts: "Volcanoes: Magma Rising-Mt. Pelee Erupts" and "Volcanoes: Magma Rising-Volcanic Eruptions" (See link above passage). A link to comprehension questions covering each text individually and as a whole is provided. Click the double arrows on the top right to download, print, or view the passage full screen.