25 word crossword

A chemical change in which a substance combines with oxygen
the process of scraping or wearing something down
a fan shaped mass deposited as the flow of a river decreses in velocity
a tract of sediment deposited at the mouth of a river
to come apart in scales or layers
rain made acidic because of atmospheric polution
an underground cave of limestone
a ridge or line of high ground forming the direction between two valleys or river systems
when water freezes in a crack and makes the crack bigger
the type of weathering that is not mechanical
the type of weathering that is not chemical
when sediment falls out of wind or water
the movement of sediment
the area that will be flooded when a river ovrflows
the curve in a river or stream
the area left over when the river changes course
when the roof of a cavern collapses this is formed
a stream that flows into a river
the process of breaking down something
A chemical change in which a substance combines with oxygen
percentage of open space in a given volume of rock or sediment
when a mass of material slips down a curved surface
a cross-section in which layers of the soil and bedrock can be seen
any type of erosion that happens as gravity moves materials downslope
solid rock that lies beneath the soil