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Chapter 18
Weathering, Mass Wasting, and Erosion (KCCS)
20
History
8th Grade
03/03/2011

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Cards

Term
What is a confined body of water that flows either continuously or seasonally on the earth's surface or underground?
Definition
Stream
Term
What is vertical movement of a warm air mass due to a wedge of cold air moving in under it?
Definition
Frost Wedging
Term
What is a mound or wavelike ridge of loose sand heaped up by the wind?
Definition
Sand Dune
Term
What is a sloping pile of weathered rock at the base of a cliff composed of rock pieces that have fallen from the cliff
Definition
Talus
Term
What is a mudflow that is caused by a volcano?
Definition
Lahar
Term
What is it called when salt evaporates forcing joints in rocks to separate?
Definition
Salt Wedging
Term
What is a process by which thin slabs or flakes of rock are removed from larger rocks by mechanical and/or chemical weathering?
Definition
Exfoliation
Term
What is a thin crust that forms in deserts when sand and silt have been blown away and only pebbles and cobble reman?
Definition
Desert Pavement
Term
What is an excavated desert basin caused by the wing caring away loose material such as sand and silt?
Definition
Blowout
Term
What is the pushing of rocks upward in soil by repeated freezing and thawing of water in the soil?
Definition
Frost Heaving
Term
What is a mixture of earth, water, and rocks flowing down a slope as a semi-liquid?
Definition
Mudflow
Term
What is a downhill movement of large masses of soil or rocks under the influence of gravity?
Definition
Mass Wasting
Term
What is a downhill movement of soil?
Definition
Creep
Term
What is a pedologist?
Definition
Soil scientist
Term
What is it called when soil forms into layers?
Definition
Horizon
Term
How many soil horizons are there?
Definition
Four
Term
True or False: Weathering reduces the orderliness of the materials in the original rock.
Definition
True
Term
What are the two types of mass wasting?
Definition
-Slow Mass Wasting
-Rapid Mass Wasting
Term
What are three types of debris slides?
Definition
-Earthflows
-Mudflows
-Avalanches
Term
What does weathering change to rocks?
Definition
-Shape
-Size
-Composition
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