Exam- Weathering, Mass Movement, and Soil Formation Flashcards
Rain is a weak acid causing this process
Carbonic acid
When rocks are broken but unchanged
Mechanical
Topsoil is also called
A Horizan
What are freezing causes this process
Ice wedging
The entire arrangement of soil layers
Soil profile
When rocks peel off in horizontal layers
Exfoliation
Organic material found in topsoil
Humus
Very slow mass movement
CREEP
Process which causes minerals in organics to move from A horizon to the B horizon
Leaching
Four factors that determine the rate of weathering
Climate, rock type, surface area exposed, and topography
List the ingredients in their average percentage is found in soil
Organic matter ___%
Mineral matter ____%
Water____%
Air___%
5
45
25
25
Horizontal slats of rocks are peeling Off a mountaintop mechanical or chemical
Mechanical
My car is very rusty
Chemical
Granite is broken into a pile of Quartz Sand
Chemical
Frost heaves
Mechanical