Upload
ponce
View
31
Download
2
Embed Size (px)
DESCRIPTION
Earth Science Week. http://www.earthsciweek.org/whatisesw/index.html. Mass Movement. Changing Earth’s Surface. Review. Weathering Erosion Soils. Cycle of Erosion and Deposition. What is a cycle? What are some cycles? Deposition – the agents of erosion deposit sediment - PowerPoint PPT Presentation
Citation preview
Earth Science WeekEarth Science Week
http://www.earthsciweek.org/whathttp://www.earthsciweek.org/whatisesw/index.htmlisesw/index.html
Mass MovementMass Movement
Changing Earth’s SurfaceChanging Earth’s Surface
ReviewReview
WeatheringWeathering ErosionErosion SoilsSoils
Cycle of Erosion and Cycle of Erosion and DepositionDeposition What is a cycle? What are some What is a cycle? What are some
cycles?cycles? Deposition – the agents of erosion Deposition – the agents of erosion
deposit sedimentdeposit sediment– Sediment – material moved by Sediment – material moved by
erosion erosion
Cycle of Erosion and Cycle of Erosion and DepositionDeposition The cycle that wears down and The cycle that wears down and
builds up Earth’s surface. builds up Earth’s surface.
5 Agents of Erosion5 Agents of Erosion
GravityGravity Running waterRunning water GlaciersGlaciers WavesWaves Winds Winds
Mass MovementMass Movement
One of several processes that One of several processes that move sediment downhill.move sediment downhill.
Can be very fast or very slowCan be very fast or very slow Gravity!!!Gravity!!!
Mass MovementMass Movement
LandslideLandslide MudflowMudflow SlumpSlump CreepCreep http://www.youtube.com/watch?vhttp://www.youtube.com/watch?v
=mknStAMia0Q=mknStAMia0Q
LandslidesLandslides
Most destructiveMost destructive Rock and soil slide quickly down a Rock and soil slide quickly down a
steep slopesteep slope
MudflowsMudflows
Rapid downhill movement of a Rapid downhill movement of a mixture of water, rock, and soil.mixture of water, rock, and soil.
Occur after heavy rains in a Occur after heavy rains in a normally dry area. normally dry area.
SlumpSlump
Stand up straight, arms at your Stand up straight, arms at your sideside
Slump your shouldersSlump your shoulders What happened?What happened?
A mass of rock and soil suddenly A mass of rock and soil suddenly slips down a slope.slips down a slope.
SlumpSlump
This is different from a land slideThis is different from a land slide The material moves down in a The material moves down in a
large mass.large mass.
CreepCreep
You tell me!!You tell me!!
CreepCreep
The very slow downhill movement The very slow downhill movement of rock and soilof rock and soil
Can occur on any slopeCan occur on any slope
http://videos.howstuffworks.com/http://videos.howstuffworks.com/hsw/11857-land-and-water-weathhsw/11857-land-and-water-weathering-and-erosion-video.htmering-and-erosion-video.htm