Weathering
Erosion
Deposition
Ecoregions
Mixed
100
What is weathering?
The breaking down of rock
100
What is erosion?
The moving of sediment from one place to another.
100
What is deposition?
The dropping of sediment in a new place
100
How many Texas ecoregions are there?
12
100
What ecoregion receives the most wind erosion?
Trans-Pecos
200
True or false: sediment, that is formed from weathering, is made up of soil as well as rock particles.
True
200
True or false: erosion occurs when rocks are not moving.
False
200
What is made as a result of deposition?
Layers of sediment
200
What ecoregion do we live in?
South texas brush country
200
What ecoregion receives the most weathering due to waves?
Gulf coastal prairies and marshes
300
What two forms of weathering can carve out valleys?
Water and glacial
300
What is the most abundant form of erosion?
Water
300
What are 2 specific landforms formed by deposition?
Sandbar, river delta... Answers may vary
300
What ecoregion receives the least amount of rainfall?
Trans-Pecos
300
What ecoregion receives the least wind erosion?
Piney woods (most wind is blocked by dense vegetation)
400
What is it called when water gets into cracks in rocks, freezes, and breaks the rock apart?
Ice wedging
400
Does erosion occur quickly or slowly?
Slowly
400
True or false: sediment being blown in the wind is a form of deposition
False
400
What is used to group the areas into separate regions?
Characteristics
400
How was the palo duro canyon formed?
A fork of the red river
500
What are the two forms of chemical weathering?
Carbonation and oxidation
500
What is gravitational erosion
Mass land movement downward
500
What are the 3 agents of deposition?
Water, wind,and ice
500
What ecoregion is most humid
Gulf coastal prairies and marshes
500
True or false: water erosion occurs in all ecoregions in texas
True: all ecoregions have rivers and streams that cause it
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