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18 questions
Where does a river start?
Mouth
Source
Confluence
Tributary
What is a river profile?
A line representing the river from its source to its mouth.
A line from one river bank to another
The point where a river starts
An area of land drained by a river and its tributaries.
What are the characteristics of the upper course of a river?
Wide, deep channel
Shallow, narrow channel
Widest, deepest channel
Identify the characteristics of the middle course of a river.
Medium gradient, gently sloping valley sides with a wider, deeper channel.
Gentle gradient, very wide, almost flat valley, very wide and deep river channel.
Steep gradient, v-shaped valley, steep sides and narrow, shallow channel.
Where is vertical erosion the most dominant along the long profile of a river?
Upper course
Middle course
Lower course
When soluble particles are dissolved into the river it is called:
Hydraulic Action
Abrasion
Saltation
Solution
Which Transportation process involves large boulders and rocks being rolled along the river bed?
Saltation
Traction
Suspension
Solution
Which Transportation process involves small pebbles and stones being bounced along the river bed?
Solution
Traction
Saltation
What is the edge of the river basin called?
waterside
waterway
watershed
water
________________ are streams that flow together to make a river.
source
tributaries
mouth
drainage basin
The area of land DRAINED by a river system is called the _____________
drainage basin
mouth
tributaries
source
What of these landforms are found in the upper course?
V-Shaped Valley
Meander
Delta
Oxbow lake
What landforms occur in the middle course of a river?
Meanders
V-shape valleys
Delta
Estuary
_______________ occurs on the inside bend because the river loses its energy
deposition
transportation
erosion
What is abrasion?
Rocks rubbing away the river bed like sandpaper
Small rocks hitting into each other
Acidic water dissolving rocks
Which of these is a human cause of flooding?
Heavy rainfall
Natural Hazards
Impermeable rocks
Deforestation
The point where a smaller river joins a larger river is called a ...
Tributary
Congruence
Confluence
Convergence
Which section of the river are waterfalls usually found in?
Upper
Lower
Middle
All three sections
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