The earth's center, consisting of very hot metal that is dense and solid in the inner core and molten, or liquid, in the outer core
Any of the seven large landmasses of the earth's surface: Africa, Antarctica, Asia, Australia, Europe, North America, and South America
The chemical or mechanical process by which rock is gradually broken down, eventually becoming soil
A half of the earth; the Equator divides the Northern and Southern hemispheres ; the Prime Meridian divides the Eastern and Western hemispheres
The water contained in oceans, lakes, rivers, and under the ground
The actual breaking up or physical weakening of rock by forces such as ice and roots
The physical and human characteristics that help to distinguish a place from other places
A huge, slow-moving mass of snow and ice
Particles of soil, sand, and gravel carried and deposited by wind or water
The differences in elevation, or height, of the landforms in any particular area
A ridgelike mass of rock, gravel, sand, and clay carried and deposited by a glacier
A geographic information system, which uses computer technology to collect and analyze data about the earth's surface in order to solve geographic problems
Fine-grained, mineral-rich loam, dust, or silt deposited by the wind
The solid, rocky, surface layer of the earth