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Texas Land Changes
7.8B Texas Land Changes
Term | Definition |
---|---|
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. |
LANDFORM | Natural features of the earth's surface. |