Erosion and Weathering

a steep-walled gorge carved by a river or stream

a group of large connected chambers located beneath the earth's surface that is large enough for a person to enter

the alteration of a rock's internal structure by removing and or adding elements which produce new minerals

a ridge or hill of sand deposited by the wind

the transportation of weathered material by natural agencies

a large mass of ice formed from the recrystallization of snow which shows evidence of present or past movement

organic matter in soil produced by the decomposition of plants and animals

a cyclonic storm having winds in excess of seventy-four miles per hour

a large bulk of material moving downslope caused by gravity

the process of oxygen combining with another mineral; example: iron to form rust

the breaking down of rock by natural forces, such as water, wind, plants, and animals, into smaller fragments

matter composed of a combination of mineral and organic matter along with a community of plants and animals

a small cyclonic storm with very high winds

a low-lying stretch of land formed by a stream or river, bordered on both sides by higher lands