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Texas Land Changes

7.8B Texas Land Changes

TermDefinition
ECOREGION Relatively large area characterized by distinctive plant & animal communities, climate, & ecological features.
TOPOGRAPHY Description of land surface area with reference to elevation variations.
WEATHERING Mechanical or chemical processes that break rock into smaller pieces.
SEDIMENT Earth material broken down by processes of weathering; can be eroded & deposited by agents of water, wind, ice, & gravity.
EROSION Process by which water, ice, wind, & gravity remove & transport sediment from 1 place to another.
DEPOSITION Process by which gravity, water, wind, & ice deposit weathered & relocated sediment.
CANYON Deep gorge in the Earth, typically 1 with a river flowing through it.
SAND DUNE Hill of sand near an ocean or in a desert formed by the wind.
RIVER DELTA Landform made of sediment deposited where a river flows into an ocean or lake.
GLACIER Large mass of moving ice and snow on land.
VALLEY Area of low land between hills or mountains.
ICE WEDGING Process that splits rock when water seeps into cracks then freezes & expands.
HOODOO Column of weathered rock with a capstone on the top.
PLAINS Large area of flat land with few trees.
Created by: trauberk