Volcanoes show us how the earth changes. Volcanoes can be made of lava, gases, hot steam, ground-up rocks and melted rock called lava. Scientists study volcanoes and the earth’s movement and try to understand how they erupt. (Pearson Reading Street, 2010)

This lesson was created as part of the Basal Alignment Project, during which teachers created CCSS-aligned lessons for existing literary and information texts in basal readers. All page numbers and unit/week designations found in this lesson relate to the edition of the basal reader named above. If you are using a trade book or different edition of this title, the page/unit/week references in this lesson will not match. Consult the content referenced in the body of the lesson to determine appropriate page numbers for your text.