Geography Key Terms Test 2 Flashcards
1
Q
River basin
A
Area from which a river collects its water.
2
Q
Watershed
A
Boundary of a river basin (usually high land)
3
Q
Source
A
Start of a river
4
Q
Mouth
A
End of a river (usually lake or sea)
5
Q
Confluence
A
Where 2 rivers join
6
Q
Tributary
A
Smaller stream of a river, coming off the main channel
7
Q
Channel
A
Main flow of the river
8
Q
Erosion
A
Wearing away of material
9
Q
Transportation
A
Movement of material
10
Q
Deposition
A
Where material is dropped/put down
11
Q
Hydraulic action
A
Force of air into cracks which widens them
12
Q
Attrition
A
Material hitting together and breaking into smaller pieces
13
Q
Abrasion
A
Material rubbing against the river bed/banks
14
Q
Corrasion/solution
A
Chemicals in water dissolving rock
15
Q
Traction
A
Large boulders roll along
