Vocabulary
the breakdown of rocks
weathering
this river cut down through rock to form the Grand Canyon
Colorado River
True or False: Plant roots help to anchor the sand dunes and can slow erosion.
True
a large mass of moving ice
glacier
You can see water and glaciers, but you can't see this agent of erosion
gravity
tiny grains of broken down rock
sediment
acidic groundwater can create this landform through the process of erosion
caves or sinkholes
Mounds of wind deposited sand
dunes
The term for all the material that is carried and deposited by a glaciers
glacial drift
This is an example of an extremely slow movement of land due to gravity
creep
the movement of sediment, sand, and rock material from one place to another
erosion
this forms when large holes are cut in weak rock at the bottom of a sea cliff
sea cave
The process of deflation creates this area made of pebbles and small broken rocks
desert pavement
As a glacier flows through a valley, the glacier scrapes the valley walls and widens the valley into what shape?
a U-shaped valley
This type of mass movement can be caused by earthquakes or volcanic eruptions
rapid mass movement
when chemicals combine with water in the atmosphere and fall to Earth
acid precipitation
this underwater ridge of sand is formed from coastal deposition
sandbar
Fine wind deposited sediments
loess
large boulders that were transported and deposited by a glacier
erratic
When loose rocks fall down a steep slope
rock fall
the wearing away of rock material by the mechanical action of other rocks
abrasion
many layers of deposited sediment can cause this flat area of fertile soil
floodplain
The wearing down of rock surfaces from wind blown sand particles
abrasion
thick sheets of ice that may spread over large areas of land, including an entire continent
continental glaciers
This happens in mountainous areas after deforestation has occurred or when a long dry season is followed by heavy rains
mudflow