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8ES Chp 7:Mountains
8th Grade Earth Science Chapter 7: Mountains Coach Leach
Term | Definition |
---|---|
Topography | The features of the earth's surface in a particular region, including different landforms with varying elevation. |
Isostasy | The balance between the downward weights of rock, water, ice and the upward force exerted by the mantle. |
Landform | A shape or structure on the earth's surface, such as a mountain, valley, beach, plain, dessert, plateau or lake. |
Orogeny | The tectonic processes and landforms of mountain building. |
Mountain | A natural elevation of the earth's surface rising to a summit; and usually defined as higher than hills by local and historical traditions. |
Hill | A natural elevation of the earth's surface rising to a summit; and usually defined as lower than mountains by local and historical traditions. |
Elevation | The height of a point on the earth's surface. |
Actual Height | The height of a mountain above its base. |
Relief | The variation in elevation within a specific region. |
Mountain Range | A series of mountain peaks in the same geographical area. |
Mountain System | A group of mountain ranges connected over a large area; often produced by related tectonic processes. |
Fold Mountain | A mountain landform created by folded rock strata. |
Erosional Mountain | A mountain landform carved out by extensive erosion, usually from a plateau; also called a residual mountain. |
Depositional Mountain | A mountain landform produced by the deposition of volcanic materials or sediments by ice, water, or wind. |