Earth Science is the ultimate "big picture" subject. It combines physics, chemistry, biology, and mathematics to understand the world beneath our feet, the water surrounding us, and the air above. Whether you are prepping for a high school final, a CLEP exam, or a college introductory course, this guide breaks down the core pillars you need to know. 1. Geology: The Solid Earth

Geology is often the largest section of an most curriculums. It covers the physical structure of the Earth and the processes that change it.

Option 3: The "Parent/Teacher Perspective" (Helpful & Detailed)

Plates slide past each other (San Andreas Fault).