Super Review's in-depth, student-friendly topic review is specifically designed to help students grasp subject fundamentals clearly and quickly. This covers the Earth’s historical ages, weathering, rivers, underground waters, glaciers, lakes, oceans, volcanoes, Earth's crust movements, composition and structure of minerals and rocks, and more. This review is excellent for discovering how much you've learned and where you need to concentrate more study. Ideal as an aid for self-study, as well as a perfect textbook companion.