Weathering and Erosion

Erosion is

• When particles carried by water, ice or wind are deposited (dropped) in another location

• The breaking down or disintegration of substances such as rocks and minerals by physical, chemical or biological means

• The movement of sediment or soil from one location to another by means of water, ice or wind

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Rain washing away soil from a hillside.

• Weathering

• Erosion

• Deposition

Tags

NGSS.MS-ESS2-4

A mudslide flowing down a steep hill.

• Weathering

• Erosion

• Deposition

Tags

NGSS.MS-ESS2-2

Caves being formed by acid rain dissolving underground limestone.

• Weathering

• Erosion

• Deposition

Tags

NGSS.MS-ESS2-2

Water getting into cracks, freezing and breaking the rocks apart.

• Frost Wedging

• Frost Heaving

• Exfoliation

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

_____________changes rocks into new substances.

• Abrasion

• Exfoliation

• Chemical Weathering

• Mechanical Weathering

____________occurs whenever rocks rub against each other.

• Abrasion

• Chemical Weathering

• Frost Action

• Pressure Release

The primary force behind erosion is gravity.

• True

• False

Tags

NGSS.MS-ESS2-2

Which is NOT an agent of erosion?

• wind

• water

• sediment

• ice

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Weathering and erosion can occur together.

• True

• False

Tags

NGSS.MS-ESS2-2