books.google.com - CK-12 Foundation's Earth Science for Middle School FlexBook covers the following chapters: What is Earth Science?-scientific method, branches of Earth Science.Studying Earth's Surface-landforms, map projections, computers/satellites.Earth's Minerals-formation, use, identification.Rocks-rock cycle, igneous,...https://books.google.com/books/about/CK_12_Earth_Science_for_Middle_School.html?id=1m6RiQix8h4C&utm_source=gb-gplus-shareCK-12 Earth Science for Middle School