Deflation
Abrasion
Deposits by wind
Sand dunes
Loess deposits
100
deflation
What is the process by which wind removes surface materials
100
Abrasion
Fill in the blank _________ by wind carried sand can polish rock but it causes relatively little erosion
100
weathering
Fill in the blank All the ________ picked up by wind eventually falls to the ground
100
sand dunes
Fill in the blank You can see ____ ____ on beaches and in deserts where wind blown sediment has built up
100
Sediment
Fill in the blank ________ that is smaller than sand such as particles of clay and silt, is dropped far from its source in a large deposits
200
clay, and silt
What is when wind blows over the land it picks up the smallest particles of sediment such as
200
weathering
Fill in the blank Geologists think that most desert landforms are the result of __________ and water erosion
200
boulder clump of grass
Fill in the blank This happens when the wind slows down or an obstacle such as a _____ or a _____ __ ____ traps the windblown sand sediment
200
shapes sizes
Fill in the blank Sand dunes come in many ______ and _____
200
loess
Fill in the blank This fine wind deposited sediment is _____
300
larger
Fill in the blank The stronger the wind the________the particles the wind can pick up
300
obstacle
Fill in the blank When the wind meets an _________ the result is usually a deposit of windblown sand called a sand dune
300
China
Fill in the blank Some sand dunes in _____ are 500 meters high
300
large loess
Fill in the blank There are _____ _____ deposits in central China and and in states such as Nebraska, South Dakota, Iowa, Missouri, and Illinois,
400
desert pavement
Fill in the blank In deserts deflation can sometimes create an area of rock fragments called_____________
400
Shape
Fill in the blank The ______ of sand dunes is determined by the direction of the wind, the amount of sand, and the presence of plants
400
move
Fill in the blank Sand dunes ____ over time
400
fertile soil
Fill in the blank Loess helps form _______ ____
500
rocky material
Fill in the blank In desert pavement wind has blown away smaller sediment leaving behind__________
500
erosion and deposition
Fill in the blank ________and_________ may form sand dunes and loess deposits
500
Plant roots
Fill in the blank _____ _____ can help to anchor the dune in one place
500
deposits farmland
Fill in the blank Many areas with thick loess ________ are valuable _________
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