Wind erosion

Question 1

What is erosion?

Answer 1

Erosion takes place when materials in the landscape are moved from one location to another.

This might happen as dust is
blown off the side of a cliff face by wind, or carried downstream by a river.

Question 2

name the tree types of erosion

Answer 2

Wind erosion

Water erosion

Ice erosion

Question 3

explain how weathering and erosion work together

Answer 3

Once rocks have been broken down by weathering,

the final state of all materials is to be carried
away to another location by erosion.

Question 4

what is abrasion

Answer 4

when sand or rock carried by wind (or water)
wear away rock

like sand paper on wood

Question 5

name the three forms of wind erosion

Answer 5

saltation

creep

suspension

Question 6

compare the three forms of wind erosion

Answer 6

C – involves movement of heavy soil particles

SAL— involves movement of fine soil particles

SUS — involves movement of very small dirt and dust particles

C – short distance

SAL -long distance

SUS – very long distances

C – particles move mostly on surface of soil rather then air

SAL — particles can be lifted to air by wind or particle collision

SUS –readily lifts particles to the air

Question 7

what are Yardangs

Answer 7

when rock is eroded in aletrnating ridges

Question 8

what did ancient Egyptians do with yardangs

Answer 8

they sculpted the into animal and human forms

Question 9

what is a mushroom rock

Answer 9

when wind carring rock and sand abrade the bottom of a boulder rock , eroding the bottom of the rock , causing it to be smaller and thinner that the top of the rock