27.2 Flashcards
What is the difference between weathering and erosion?
Weathering- Breakdown of materials
Erosion- Removal of surface materials
If the slope of a river decreases what will happen to the speed of the river?
It will decrease
What are small streams called that flow into larger rivers?
Tributaries
What are land areas that gather water called?
Drainage basins
What is the boundary called that separates drainage basins?
Drainage Divide
Water that flows downhill under the influence of gravity, water erodes earth’s surface creating _______
Channels
Young rivers are ________ due to the fast movement
V-shaped
_______ rivers are wide with smooth and gentle slopes
Mature
What type of land form is created when rivers flood and drop their sediment load?
Flood plains
What is a fan-shaped sediment deposit that is formed at the mouth of a river?
Delta
What are distributaries?
Branching canals created by deltas
What are the two types of glaciers?
Valley and continental
Where do valley glaciers form?
High mountainous regions
Where do continental glaciers form?
In colder climates and occupy large land areas
Where are the two continental glaciers located?
Greenland and Antarctica
What is cirque?
Bowl shaped basin
What is an arete?
Long sharp ridgeline between valley glaciers
What is a horn in a mountainous region?
Sharpened peaks
What shape of valley do valley glaciers form?
U-shaped valleys
What are tributary glaciers?
Small glaciers that feed into the large glaciers
What type of valleys do tributary glaciers form?
Hanging valleys
