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Worksheets

Rivers

Total questions: 68

Worksheet time: 41mins

Name
Class
Date
1.

At the mouth of the river this feature can be found

a)

tributaries

b)

flood plains

c)

delta

d)

confluence

2.

A small stream flowing into the river

a)

confluence

b)

river

c)

rivelet

d)

tributary

3.

A natural stream of water is called a

a)

spring

b)

river

c)

lake

d)

ocean

4.

True or False. A river flows from low elevation to high elevation?

a)

True

b)

False

5.

What does the word velocity mean?

(a)  

6.

What is the main source of river water

a)

springs

b)

tributary

c)

ground water

d)

rainfall

7.

Give one function of a river

(a)  

8.

State one way how a river may begin

(a)  

9.

This river located in Africa is considered to be the longest river

a)

The Mississippi

b)

The Amazon

c)

The Nile

d)

The Ganges

10.

The area where a river begins is called its _______________.

a)

tributary

b)

mouth

c)

confluence

d)

source

11.

When soluble particles are dissolved in a river it is called?

a)

Hydraulic action

b)

Saltation

c)

Solution

d)

Suspension

12.

True or false. Traction refers to the transportation process where the load is bounced along the riverbed

a)

True

b)

False

13.

A river's (a)   is the starting point of the river

14.

_____________ are streams that flow together to form a river

a)

source

b)

confluence

c)

tributaries

d)

drainage basin

15.

In which stage of the river would you find v-shaped valleys?

a)

Middle course

b)

Lower course

c)

Upper course

16.

V-shaped valleys are formed due to....

a)

Lateral erosion

b)

Vertical erosion

c)

Solution

d)

Horisontal erosion

17.

What landform can you see in the picture?

a)

Delta

b)

Waterfall

c)

Oxbow lake

d)

Floodplain

18.

Look at the picture and name the feature

a)

waterfall

b)

meander

c)

rapids

d)

pothole

19.

This picture represents which course of the river?

a)

Upper course

b)

Middle course

c)

Lower course

20.

When a river meets the sea, we call it the mouth. When the river carries a great load of material it will deposit material and form_____________

a)

Islands

b)

Estuaries

c)

Deltas

d)

Floodplains

21.

What type of rock does not allow water to pass through it?

a)

pervious

b)

permeable

c)

impermeable

d)

porous

22.

Which works of a river requires it to have energy?

a)

erosion

b)

deposition

c)

transportation

23.

Under which circumstances would be a river have high energy?

a)

large volume of water

b)

flow in flat area

c)

steep gradient

d)

large load in the channel

24.

The cracks found along the banks of a river are due to erosion. They are formed by turbulent waters forming jet streams which break up the rocks. This sheer force of the water breaking down the rocks is known as (a)  

25.

The process where the load bounces or jumps along the river's channel is known as ___

a)

traction load

b)

suspension

c)

solution

d)

saltation

26.

Which two processes result in the carrying of bedload?

a)

traction

b)

suspension

c)

solution

d)

saltation

27.

What process in the water cycle is responsible for the formation of rivers?

a)

infiltration

b)

runoff

c)

transpiration

d)

throughflow

28.
The high ground around a river where rain seldom falls is called the ...
a)
Mountains
b)
Watershed
c)
Drainage Basin
d)
Valley
29.
The area that contains a river system is called a what?
a)
Drain Bassoon
b)
Drainage Basinet
c)
Drainage Basin
d)
Drain Basalt
30.

Attrition is when ..

a)

large rocks smash against each other.

b)

small rocks rub against the river bed.

c)

sand and other fine particles float.

d)

water flows into the rocks.

31.
Deposition is when ...
a)
Objects are moved along the river.
b)
Objects are dropped along the river.
c)
Objects are suspended in the water.
d)
Objects are move into the ocean.
32.
Transportation in river systems has four main categories. These are ...
a)
Suspension, Solution, Attrition, Abrasion.
b)
Suspension, Solution, Saltation, Abrasion.
c)
Suspension, Solution, Saltation, Attrition.
d)
Suspension, Solution, Saltation, traction.
33.
A meander is best described as ...
a)
A straight section of the river.
b)
A winding section of a lake.
c)
A section of the river that joins another river.
d)
A winding section of a river.
34.
When the bends of a Meander get close enough they can join, creating a new river path. What is left is called ...
a)
An oxback lake
b)
An oxen lake
c)
An oxcart lake
d)
An oxbow lake
35.
Explain the differences in the size and shape of the material on the river bed in the upper and lower courses of a river
a)
A. In the upper course load is smaller and more rounded than in the lower course because of erosional processes such as attrition and corrasion.
b)
B. As a river moves through its course, because of the greater incidence of larger settlements, more supermarket shopping trolleys are likely to be found in rivers, adding to the load that has already been deposited.
c)
C. In the lower course load is smaller and more rounded than in the upper course because of erosional processes such as attrition and corrasion.
36.
What features are associated with waterfalls
a)
A. Niagara, Victoria, Angel, High Force
b)
B. Plunge pool, undercutting, hard and soft rock.
c)
C. Weathering, erosion, transportation and deposition
37.
What river features and landforms are associated with  a cross section or profile of a river valley in its upper course.
a)
A. river source, V-shape, interlocking spurs, narrow and shallow river channel
b)
B. delta, flood plain, river mouth, levees, wide and deep river channel
c)
C. sheep farming, wind turbines, HEP (hydro-electric power) stations and dams and reservoirs
38.
Which of the following features are not formed by river deposition
a)
A. levee
b)
B. gorge
c)
C. delta
39.

What is the name given to material deposited in a flood plain?

a)

Aluminium

b)

Boulders

c)

Alluvium

d)

Gorge

40.

When a delta forms, the river breaks up into a number of smaller rivers called ......................

a)

Distributaries

b)

Confluences

c)

Tributaries

d)

Waterfalls

41.

V shaped valleys are formed by what direction of erosion?

a)

Lateral

b)

Vertical

42.

Surface runoff is...

a)

water flowing over the land surface.

b)

water flowing through the soil.

c)

water flowing through rock.

43.

Steep slopes cause rain to quickly run down to the river reducing the chance of it infiltrating and causing...

a)

more flooding

b)

less flooding

44.

Very wet soil means rain...

a)

is unable to soak into the ground causing more flooding

b)

will sink into the ground quickly causing less flooding

45.

Trees and plants acting as an umbrella to stop rain hitting the ground is called...

a)

infiltration

b)

interception

c)

runoff

d)

impermeable

46.

Permeable rocks and soils...

a)

do not allow water to pass through them

b)

allow water to pass through them

47.

Runoff is...

a)

water falling from the atmosphere as rain, hail, sleet or snow

b)

rainwater soaking into the ground

c)

evaporation of water from leaves

d)

rainwater moving over the ground surface

48.

What are flash floods?

a)

When rain falls and lightning strikes

b)

Flooding that has lights in it

c)

Floods that require light to happen

d)

This happens when sudden rain from storms cause the water in rivers and streams to flow faster and higher causing damage outside of the rivers and streams

49.

What pairs of factors are human causes of flooding?

a)

Heavy rainfall & urbanisation

b)

Steep slopes & deforestation

c)

Urbanisation & deforestation

d)

Snow melt & urbanisation

50.

What pairs of factors are physical causes of flooding?

a)

Urbanisation & snow melt

b)

Deforestation & steep slopes

c)

Snow melt & steep slopes

d)

Heavy rainfall & deforestation

51.

What is the cause of flooding in this image?

a)

Steep slopes

b)

Compacted/dry soil

c)

Urbanisation

d)

Snow melt

52.

How would building a new town contribute to flooding?

a)

There would be less infiltration, therefore decreasing surface runoff.

b)

There would be more infiltration, therefore increasing surface runoff.

c)

There would be less infiltration, therefore increasing surface runoff.

d)

There would be more infiltration, therefore decreasing surface runoff.

53.

How would removing trees increase the risk of flooding?

a)

There would be less interception by tree leaves, increasing the amount of water reaching the river

b)

There would be more interception by tree leaves, decreasing the amount of water reaching the river

c)

There would be less interception by tree leaves, decreasing the amount of water reaching the river

d)

There would be more interception by tree leaves, increasing the amount of water reaching the river

54.

Which two soft engineering strategies are used to prevent river flooding?

a)

Channel straightening

b)

Afforestation

c)

Floodplain zoning

d)

Dredging

55.
Where would you find a waterfall?
a)
Upper course
b)
Middle Course
c)
Lower Course
56.
I am the land that gets flooded when the river overflows. What am I?
a)
Levee
b)
Delta
c)
Floodplain
d)
Meander
57.

A gorge is formed by...

a)

a waterfall retreating

b)

a meander moving

c)

a levee forming

d)

a flood occurring

58.

What do we call water entering the ground?

a)

Precipitation

b)

Infiltration

c)

Surface run-off

d)

Evaporation

59.

What do we call any type of water falling from the sky?

a)

Precipitation

b)

Infiltration

c)

Surface run-off

d)

Evaporation

60.
How does silting contribute to flooding?
a)
The river gets deeper and flows quicker, meaning water floods quicker.
b)
The river gets deeper and flows slower, meaning that the water can't move away.
c)
The river gets shallower and flows slower, meaning that water floods the banks quicker.
d)
The river gets shallower and slows quicker, meaning that water floods the banks quicker.
61.

How is relief shown on a map?

a)

Lines of latitude

b)

Grid references

c)

Lines of best fit

d)

Contour lines

62.

Why do waterfalls retreat?

a)

Hard rock is undercut and collapses

b)

Plunge pools become too deep

c)

The river slowly erodes the hard rock

d)

Soft rock is very resistant to erosion

63.

Why does lateral erosion dominate the middle course?

a)

Steep gradient

b)

Shallow gradient

c)

High discharge

d)

Low discharge

64.

Why does vertical erosion dominate the upper course?

a)

Steep gradient

b)

Shallow gradient

c)

High discharge

d)

Low discharge

65.

What features are found in the lower course?

a)

Waterfalls

b)

Meanders

c)

Flood plains and levees

d)

Estuaries

66.

Why are natural levees formed? (2)

a)

Flooding transports sediment over the banks

b)

Heavier sediment is harder to transport

c)

In order to help protect areas from flooding

d)

They are a form of hard engineering

67.

What does deposition form on the inner bank of a meander?

a)

A slip-off slope

b)

A river cliff

c)

A plunge pool

d)

A gorge

68.

In which direction do meanders move?

a)

Towards the outer bank

b)

Towards the inner bank