Earth is made up of different types of rock. There are three main types of rocks: igneous, metamorphic, and sedimentary. You have probably seen all of these different rocks-you just didn't know it! Introduce students to rocks and minerals with this science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.