Earth Science, Chapters 1–5. Start inside the planet, hold its minerals and rocks in your hands, watch whole plates of crust move, then feel the earthquakes and volcanoes they cause.
Why it matters: The ground under your feet is a working system. Heat inside Earth, the rocks it makes and the slow motion of plates shape every mountain, coast and ocean floor.
A self-study guide based on the first five chapters of the textbook. Open a chapter below, then use its tabs to move through the lessons, the book review and the final quiz.