What is groundwater that moves into spaces and cracks in the rocks-acids in the water dissolves the rocks
100
wind water gravity
What is
gravity causes large rocks to fall from slopes and breaks more rocks below
wind can blast small sand particles away
water can make rocks tumble in water hitting rocks
100
discharge
What is amount of water in a stream
100
floodplains
What is layers of deposited sediment forms flat area
200
acid in living things
What is living things produce acids-organisms that grow on rocks.
200
plant growth
What is as an plants roots grow they apply pressure to the rock causing it to break apart
200
load
What is materials carried in a stream
200
delta
What is streams often deposit their loads in a fan shaped patterns
200
glacial drift
What is materials carried and deposited by glacier
300
acid precipitation
What is stronger acids fall to the earth that causes rocks to break down or erode
300
animal action
What is animals move soil and allow rocks from the ground and other materials to be exposed to the surface
300
gradient
What is measure of change in elevation over a certain distance
300
groundwater
What is water located within rocks below earths surface.
300
glacier
What is a large mass of moving ice
400
oxidation
What is process which other chemicals combine with oxygen to make a chemical reaction
400
abrasion
What is breaking down and weathering away rock materials by mechanical action
400
deposition
What is process which eroded materials are dropped
400
shorelines
What is place were land and a body of water meet
400
loess
What is thick deposits of windblown fine grain sediments
500
chemical weathering
What is the breakdown of a rock by chemical reactions
500
physical weathering
What is process by witch rocks is broken down into smaller piecess
500
erosion
What is the process by which sediments and other materials are moved from one place to another
500
beach
What is area of shore line of materials deposited by waves and currents