The layer of rock between the Earth's crust and core

The layer of rock that forms Earth's outer surface

A thin layer of gases surrounding Earth which contains the air we breathe

All the water at and near the surface of the Earth, 97% of which is in oceans

The land or surface areas on Earth, including the continents, islands, and ocean basins

The chemical and physical processes that break down rock at Earth's surface

Processes by which rock, sand, and soil are broken down and carried away by natural forces such as wind or water

The theory that several large, moving sections of the Earth's surface glide over the mantle, which may result in the formation of mountains or cause earthquakes and volcanic eruptions when they collide

The Planets, their Moons and all other bodies that travel around the Sun, including asteroids, meteoroids, and comets