Name that soil
Soil Stuff
Mass Movement
Weathering
Extra
100
Pedalfer soils would most likely be found…
What is the eastern half of the United States.
100
What are the major components in soil?
What is Air (25%), Water (25%), Organic matter (5%), and Mineral matter (45%)?
100
One trigger of mass movements is the pores in sediments filling with _______.
What is Water?
100
The process that occurs when physical forces break rock into smaller pieces without changing the rock’s chemical composition is called _____.
What is mechanical weathering?
100
Which weathering process involves the constant freezing and thawing of water?
What is Frost Wedging?
200
Laterite soils contain high amounts of…
What is Iron oxide
200
What kind of soil is found in the C horizon of a soil profile?
What is Partially weathered parent material?
200
One of the most dramatic triggers of sudden mass movements is ?a (n) __________.
What is an earthquake?
200
When a rock is exposed to chemical weathering, it _____.
What is Changes into one or more new compounds?
200
One cause of chemical weathering is the _____ _____ that dissolves in water and then reacts with many common minerals, forming oxides.
What is Carbonic Acid?
300
Large amounts of calcium carbonate are typical of _______ soil.
What is Pedocal?
300
In a soil profile, the _____ layers contain parent material that is hardly weathered at all
What is Deepest?
300
_____, the slowest type of mass movement, involves the lifting and contracting of soil particles over time.
What is creep?
300
The inscriptions on marble gravestones become harder and harder to read over time. This is caused by _____.
What is Chemical weathering (Acid rain)?
300
In general, the largest component of bog soils is _____ _____.
What is organic matter?
400
______ is a dense impenetrable layer found in the B horizon of a soil profile.
What is Hardpan?
400
In what type of climate and area will soil formation be the greatest?
What is a flat area in a warm, wet climate?
400
A mass movement that involves the sudden movement of a block of material is called a _____.
What is slide?
400
Chemical weathering is highest in areas that are _____.
What is warm and wet?
400
Soil that forms on unconsolidated deposits is called _____ _____.
What is transported soil?
500
A (n) _____ soil is made of equal parts of clay, silt, and sand.
What is loamy?
500
The main source of organic matter in soil is _____.
What are plants?
500
Oversteepened slopes often lead to mass movements because _____.
What is the angle of their slope is greater than 40 degrees.
500
Rock features such as the sculpted pinnacles seen in Bryce Canyon National Park are the result of _____.
What is differential weathering?
500
Since humans have been present, the amount of sediments carried by rivers has …..
What is increased by a factor of about 2.7?
M
e
n
u