Defintions 1
The layer of gases that surrounds the earth
Atmosphere
The 7 primary landmasses of the earth's surface
Continents
A feature of the land, such as a hill, peninsula, or mesa
Landform
A crack in the earth's surface where two pieces of land have moved in different directions
Fault
The solid outer part of the earth
Crust
The central portion of the earth that lies below the mantle
Core
A large mass of earth and rock that rises above the common level of the earth or adjacent land; higher than a hill
Mountain
The degenerative process that contributes to the breaking up and alteration of rock materials
Weathering
All of the water that exists on or around the earth
Hydrosphere
The portion of the earth's interior lying between the crust and the core
mantle
A broad, level expanse with no visible elevation
Plain
The natural breakdown and removal of materials on the earth's surface
Erosion
Biosphere
Molten rock that flows of intense pressure and temperature
Magma
A large, relatively flat area that is elevated above the surrounding landscape; a tableland
Plateau
The process where glaciers recede and sweep away material, creating U-shaped valleys
Glaciation
The area of solid matter on the surface of the earth
Lithosphere
A river that flows into and feeds another river
Tributary
A main river and all of its tributaries
River system
The area drained by a river system
Drainage basin