Vocab
What is the definition for topography
the surface features of a place or region
Most Mechanical weathering is caused by_____extremes and the activities of living things.
temperature
______is one of the primary agents of chemical weathering
Water
What is the landform that is rapid, downhill movement of a large amount of rock and soil?
Landslide
What does abrasion do?
wears down rock surfaces by using other rocks and sand particles
What is the definition for mechanical weathering
the breaking down of rocks by physical processes
_____also contribute to mechanical weathering
Living things
Some minerals can change by absorbing water in a process called ______
hydration
What is the Landform that all the soil come rolling down and the earth starts to move?
Earthflow
What is another effect of wind erosion?
Wind deposition
What is the definition for hydrolysis
the breaking down of a substance by a chemical reaction with water
Weathering and erosion affect what
structures people build and natural features
Molecules of nitric and sulfuric acid increase the acidity of normal precipitation. What are these Molecules?
rain, fog, snow, sleet, or dew
What is the Landform that rolls down with mud and debris?
mudflow
Waves battering a rock shoreline create steep cliffs called ______
Sea Cliffs
what is the definition for carbonation
the process in which carbon dioxide from the atmosphere or soil dissolves in water to form carbonic acid
_____elevation encourages weathering because of its greater temperature extremes
High
Iron combines with oxygen to form ______
rust
What is the Landform that is a large block of soil and rock?
slump
What is a narrow ditch cut in the earth by runoff
Gully
what is the definition for ice wedging
the mechanical weathering process in which water in the cracks of rocks freezes and expands , widening the cracks
___,___climates are free from ice wedging
Hot, dry
Certain rocks contain minerals that are more _________
easily affected by chemical weathering
What does regolith mean?
a loose layer of rock and soil
The process called ____________occurs when the head of a stream or river becomes wider or moves uphill because of erosion.
Headward erosion