27.2 Flashcards
what is the difference between weathering and erosion
weathering breakdown of materials
erosion removal of surface materials
if the slope of the river decreases what will happen to the rivers speed
it will also decreases
small streams that flow into rivers are called _____________.
tributaries
land areas that gathers water for a major river is called a ___________.
drainage basin
a boundary that separates distinct drainage basins is called ___________.
drainage divide
as water downhill under the influence of gravity, water erodes earths surface creating ________.
channels
young rivers ___________ due to the fast movement
V shaped
________ rivers are wide with smooth with genital slopes
mature
what type of land-form is created when rivers flood and drops their sediment
flood planes
what is fan- shaped sediment deposit
deltas
what are distributaries
branching canals created by deltas
what is formed when the mouth of the river or stream enters dry land?
alluvial fans-
what are the 2 types of glaciers?
valley
continental
where do valley glaciers form?
high mountainous regions
where do continental glaciers form?
in colder climates and occupy large land arias
