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18 Cards in this Set

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CHAPTER 4:Define weathering

the process by which natural forces break down rocks

CHAPTER 4:Define the difference between mechanical and chemical weathering

mechanical weathering is the break up of rocks by physical forces; chemical weathering is the break up of rocks by chemical reactions that change the rocks' makeup, or composition

CHAPTER 4:Name the layers of soil in order

topsoil, subsoil, transition area, bedrock

CHAPTER 4: Name farming techniques that conserve soil

fertilizing, crop rotation, contour plowing, plant cover, windbreak, use of chemicals

CHAPTER 5: Define erosion and give three main types of erosion

process in which weathered particles are picked up and moved to another place- wind, water, ice

CHAPTER 5:Define deposition

when sediment is moved or "deposited" to a new location

CHAPTER 5: Give 6 examples of mass wasting

rockfalls, rockslides, landslide, mudflow, slump, creep

CHAPTER 5: Define drainage basin

an area of land where water drains into a stream system

CHAPTER 5: Define divide

a ridge where water drains into one side or another

CHAPTER 5:Define floodplain

an area of land on either side of a stream that would be under water when that stream floods

CHAPTER 5:Define the difference between aluvial fans and deltas

aluvial fans are fan shaped deposits of sediment at the base of a mountain while deltas are an area of land formed by sediment at the end of a river

CHAPTER 5:Define underground cavern

underground water forms caves (causes sinkholes)

CHAPTER 5:Define sinkhole

a hole that is formed when the roof of an underground cavern collapses

CHAPTER 5:Define the difference between sand bars and barrier islands

a sand bar is a ridge of sand built of by the action of waves and currents (below water) and a barrier island is a sand bar that has been built up to become a long, narrown island parallel to the coast (above water)

CHAPTER 5: Define dune

formed by wind when sand is carried and builds up (wind can cause the dunes to be curved on one side or have ripples)

CHAPTER 5:Define glacier

a large mass of ice that moves over land

CHAPTER 5: Define the difference between alpine and continental glaciers

alpine glaciers form in mountains and move through valleys while continental glaciers cover entire continents (antarctica/greenland)

Prairies: all prairies require...

a diversity of species