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Physical Weathering
Chemical Weathering
Mass Movement
Topography
Chapter 3 Vocabulary
100
Roots grow bigger in the cracks of rocks makit the split even larger
What is plant growth
100
A weak acid created when pollutants from buring coal oil and gas are mixed with the rain
What is acid rain
100
A mixture of rock and soil that quickly crumbles down the side of a slope
What is landslide
100
Landform with high elevation and high relief
What is mountain
100
the break down of rocks into smaller pieces
What is weathering
200
Burrowing rodents, insects and other creatures that unsettle the ground
What is animal action
200
A weak acid released from plants and animals that weakens the rock
What is biological agents
200
A watery mixture of soil and rock that rapidly moves down hill often caused by the added weight of the water
What is mudflow
200
Landform with low elevation and low relief, flat terrain with possible rolling hills
What is plain
200
small particles of rock or soil or the remains of plants and animals
What is sediment
300
When wind or water brush small particles of rock across a larger rock much like sandpaper smoothening the rck
What is ABRASION
300
the weak acid formed when CARBON DIOXIDE from the atmosphere mixes with precipitation
What is carbonic acid
300
A very SLOW moving mass movement that causes telephone poles, trees and fence osts to lean
What is CREEP
300
landform with high elevation but low relief and characterized by having steep sides but a flat top
What is plateau
300
the act of laying down sediment after is has eroded away
What is deposition
400
when water freezes in a crack, explanding and making the crack bigger
What is frost wedging
400
oxygen in the air mixes with iron and water to form this product
What is rust
400
A mass of rocks and soil suddenly slips down a slope all at once in a large mass
What is slump
400
An areas ______ is measured by the difference in elevation between the highest and lowest points
What is relief
400
The height above sea level
What is elevation
500
As erosion removes surface mass, new layers of rock are exposed expand and crack / flake off
What is release of pressure
500
RUST is form through this chemical process of mixing oxygen, iron and water
What is oxidation
500
the primary cause of all mass movements forcing objects to move toward the center of the earth
What is gravity
500
The Great Plains and Rocky Mountains are both large areas consisting of the same type of terrain - these large areas are known as
What is landform regions
500
A large mountain chain extending from Alaska to South America
What is mountain belt