Erosion and Deposition

What probably carved this U-shaped valley?

• A rockfall

• An old stream

• A glacier

• Wind

Tags

NGSS.MS-ESS2-2

Loess is ____________.

• a crumbly, windblown deposit of silt and clay

• a large deposit of sediment that forms where a stream empties into a large body of water

• a pile of angular rocks and sediment from a rockfall

• a large mass of ice that formed on land and moves slowly across Earth's surface

What is erosion?

• the breakdown of rock

• the grinding away of rock or other surfaces as particles carried by wind, water, or ice scrape against them

• the settling or laying down of sediment.

• the removal of weathered material from one location to another

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is deposition?

• the removal of weathered material from one location to another

• the process of changing once-living material into dark-colored organic matter

• the laying down or settling of eroded material

• the breakdown of rock

Tags

NGSS.MS-ESS2-2

Which is an example of a low-energy depositional environment?

• a young river

• a swamp

• an ocean shore with large waves

• a desert with strong winds

Which sediment is most likely to be well-sorted?

• sediment transported by a flash flood

• sediment that has been moved a lot by wind or waves

• sediment that has been transported by a volcanic eruption

• sediment at the edge of a glacier

A __________ is the rapid downhill movement of soil, loose rocks, and boulders

• glacier

• landslide

• loess

• longshore current

Tags

NGSS.MS-ESS3-2

__________ is a form of mass wasting.

• loess

• creep

• outwash

• till

Tags

NGSS.MS-ESS2-2

Which is not an agent of erosion?

• plants

• wind

• wind

• water

Which type of landform is created by deposition?

• hoodoo

• alluvial fan

• sea stack

• U-shaped valley

Tags

NGSS.MS-ESS2-2