Weathering
the process of breaking down rocks
What is weathering?
temperature, water, wind, plant, and animal life contribute to this
What is mechanical weathering?
The two most common types of chemical weathering
What are oxidation and reaction of acids?
The loose material at the surface of the earth
What is soil?
small particles produced from weathering
What is sediment?
the changing of rock
What is the rock cycle?
water in rocks freezes and expands forcing rocks apart
what is frost wedging?
this is formed when carbon dioxide dissolves in water
What is carbonic acid?
The largest particle of soil
What is sand?
The dropping of sediment and rocks in a new location
What is erosion?
sedimentary, igneous, and metamorphic
What are the three types of rock?
when water gets underneath rocks and forces them up when it freezes
What is frost heaving?
occurs in industrialized areas where sulfur dioxide from smoke combines with water
What is acid rain?
A combination of all sand, silt and clay
What is loam?
gravity is the main force moving rocks
What is mass movement?
The process where rocks break into smaller and smaller peices
What is mechanical weathering?
when sheets of rock peel away
what is exfoliation?
common structures in caves that grow up from the ground
What are stalagmites?
The section of soil where plants germinate and is made out of topsoil and humus
What is the A horizon?
The sediment a stream carries
What is a load?
A process that transforms rocks into new substances
What is chemical weathering?
mechanical weathering that occurs when rocks rub against each other
what is abrasion?
cave structures that hang from the ceiling
What are stalactites?
Consists of larger weathered fragments and bedrock
What is the C horizon?
When wind picks up and carries away loose sediment
What is deflation?