erosion. definition erosion is the picking up and carrying away of pieces of weathered rock
TRANSCRIPT
ErosionErosion
DefinitionDefinition
• Erosion is the picking up and carrying away of pieces of weathered rock.
Erosion happens when the crust is Erosion happens when the crust is exposed to:exposed to:
•Water
•Wind
•Ice
Water ErosionWater Erosion
• Moving water can push and carry things along with it.–Helped to create the Grand Canyon
–Causes beaches to disappear in the U.S.
–Forms deltas
–Most common type of erosion
Water Erosion
The Grand Canyon
The Grand Canyon
Wind ErosionWind Erosion• Wind picks up small particles and
moves them.– Can deposit sand in large piles called
sand dunes.
– Great factor in the 1930’s Dust Bowl
Wind Erosion
Wind Erosion
Glacial ErosionGlacial Erosion
• Glaciers wear away the land as they move over it; ice freezes onto rock and scrapes away the surfaces.–How the Great Lakes were formed
–Least common type of erosion.
Glacial Erosion
Glacial Erosion
Name That Name That SourceSource
of Erosionof Erosion
What type of Erosion?
Glacial!
What type of erosion?
Water!
What type of erosion?
Wind!
What type of erosion?
Glacial