River Quiz!

Welcome to your River Quiz. Ensure that you have accessed the resources Rivers and River Features to ensure that you are adequately prepared for this quiz.
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1.

The place where a river begins is called its:

spring

confluence

source

watershed

2.

A river which flows into another river is called a:

confluence

tributary

watershed

drainage basin

3.

The high land which separates one drainage basin from another is called a:

mountain

drainage system

confluence

watershed

4.

A river erodes in all of the following ways EXCEPT:

oxidation

solution

hydraulic action

attrition

5.

The term “corassion” refers to:

the process by which rivers dissolve soluble minerals

the process by which rivers grind their load against their bed and banks.

the erosion of material from the bed and banks of a river by the water itself.

material such as rocks and stones colliding with each other

6.

The term “hydraulic action” refers to the force of the water itself, which erodes material from the bed and banks of a river.

True

False

7.

The term “traction” refers to the way in which materials in the river’s load are bounced along the riverbed.

True

False

8.

Tiny particles such as silt are usually transported:

in solution

in suspension

by saltation

by traction

9.

As a river begins to lose energy, material carried in suspension is deposited first and the rest of the load is carried farther.

True

False

10.

Which section of a river usually has the steepest gradient?

lower course

middle course

upper course

none of the above

11.

Which of these features would you NOT expect to find in the upper course of a river?

braiding

interlocking spurs

waterfalls

rapids

12.

As a waterfall retreats upstream, it creates a feature called:

a V-shaped valley

interlocking spurs

a river cliff

gorge

13.

In the middle course of a river one would expect to find:

waterfalls and gorges

river cliffs and slip off slopes

ox bow lakes and levees

V-shaped valleys and rapids

14.

Waterfalls commonly form where a river crosses a band of resistant rock.

true

false

15.

V- shaped valleys are usually found in the middle course of a river.

True

False

16.

This feature is formed when a meander is abandoned by a river.

ox bow lake

braiding

levee

interlocking spurs

17.

Natural embankments created alongside a river are known as:

interlocking spurs

deltas

levees

flood plains

18.

A piece of land which formed as a result of a river depositing sediment into the sea is called:

a delta

a levee

an example of braiding

an ox bow lake

19.

When a river divides for various distances into two or more channels, this is known as:

levees

ox bow lakes

a slip off slope

braiding

20.

In the lower course mostly ___________ takes place.

erosion

transportation

deposition

traction

21.

This drainage pattern resembles a tree.

radial

dendritic

centripetal

trellis

22.

This drainage pattern occurs when tributaries join the main river at right angles.

radial

dendritic

centripetal

trellis

23.

This drainage pattern occurs where rivers flow away from a central area of high land.

radial

dendritic

centripetal

trellis

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