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Denudation

Total questions: 40

Worksheet time: 19mins

Name
Class
Date
1.

True or False:

There are 2 main processes in denudation; weathering and erosion.

a)

True

b)

False

2.

What are the processes of denudation

a)

Weathering, sun & rain

b)

Erosion, Earthquakes & Mass Movement

c)

Weathering, Mass Movement & Erosion

3.

Which of the following is NOT an agent of denudation?

a)

weathering

b)

folding

c)

mass movement

d)

erosion

4.

_________________happens when gravity moves loose material downhill.

a)

Weathering only

b)

Mass movement

c)

Erosion only

d)

Gravity

5.

Movement of eroded material by fast flowing water is called

a)

Transportation

b)

Deposition

c)

Erosion

6.

The soluble part of sediments is carried in ____________

a)

suspension

b)

solution

c)

deposition

7.

Large scale movement of loose materials is called _____________

a)

mass weighing

b)

mass moving

c)

Mass wasting

8.

Laying down of weathered materials is called _________

a)

Erosion

b)

Transportation

c)

Deposition

9.

Agents of erosion are ____________,____________,___________

a)

wind, Glaciers,Air

b)

water, wind,waves

c)

Glaciers, Snow, Ice

10.

Process of Denudation are carried out by the work of _________ and __________.

a)

water, temperature

b)

water, humidity

c)

river, wind

11.

Greatest agent of erosion is ___________.

a)

cloud

b)

droplets

c)

river

12.

What is the name given to loose rock materials?

a)

Bedrock

b)

Soil

c)

Regolith

d)

Corestone

13.
The diagrams  shows a natural process that weathers rock.
 Which statement best explains why this process results in weathering?
a)
frozen water acts as a solute
b)
water expands when it freezes
c)
the mass of water increases when it freezes
d)
frozen water dissolves most types of rock
14.
A marble statue is left exposed to the weather.  Within a few years, the details on the statue have begun to weather away.  This weathering probably is caused by...
a)
oxygen in the air
b)
carbonic acid in rainwater
c)
lichens
d)
abrasion
15.
These gravestones have slowly broken down and turned a blackish color due to the action of:
a)
ice wedging
b)
abrasion
c)
acid rain
d)
mechanical weathering
16.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
17.
Potholes forming in the road after a cold winter is an example of:
a)
mechanical weathering
b)
chemical weathering
18.
A metal statue slowly turning green after years of being outside is an example of:
a)
mechanical weathering
b)
chemical weathering
19.
A piece of sandstone changing color (from brown to rusty red) from exposure to water and air is an example of:
a)
mechanical weathering
b)
chemical weathering
20.

What is the main cause of mass movement?

a)

water

b)

wind

c)

gravity

d)

weather

21.

An avalanche is an example of which process?

a)

Weathering

b)

Erosion

c)

Deposition

d)

Mass Movement

22.

The force of erosion depends on the

a)

gradient, volume of water, load of sediments , velocity of water.

b)

gradient

c)

volume

23.

Erosion and deposition are ________ when _______is high.

a)

minimum, speed

b)

maximum, velocity

c)

medium, velocity

24.

Deposition of sediments take place when velocity is ______.

a)

low

b)

high

c)

medium

25.

The __________the volume of water the greater is the power of ______ and ______

a)

greater,erosion, transportation.

b)

lesser,erosion, transportation.

c)

minimum,erosion, transportation.

26.

place of origin of river is called

a)

source

b)

mouth

c)

course

27.

Place where the river enters the sea is called

a)

mouth

b)

course

c)

source

28.

All the course of river is called _______of a river.

a)

origin

b)

profile

c)

source

29.

Dominant activity of a river in the upper course is _______

a)

deposition

b)

erosion

c)

transportation

30.

V shaped valleys are formed due to ______________ _____________.

a)

down cutting

b)

lateral cutting

c)

upward cutting

31.

Soft rocks gets eroded and creates hollow basin known as _________ _______.

a)

plunge pool

b)

waterfall

c)

hollow pool

32.

Cause of waterfall is due to the difference in the _____ of ______.

a)

slow , erosion

b)

late, erosion

c)

rate, erosion.

33.

Materials carried by winds

a)

Rocks

b)

Air

c)

Sand

d)

Pebbles

34.

Example of Deflation Hollow in Sahara Desert: (a)  

35.

How can sand dunes be stopped from shifting?

a)

Building a bivouac

b)

Breeding goats

c)

Growing plants

d)

Wetting the sand

36.

What are moon shaped dunes called?

a)

Barca

b)

Barchint

c)

African Moon Dunes

d)

Barchans

37.

Sand dunes move in

a)

Direction opposite to wind

b)

Direction transverse to wind

c)

Direction of Wind

d)

They cannot move

38.

Windward Side of Barchans:

a)

Covex

b)

Convex

c)

Concave

d)

Gentle

39.

Siefs show what pattern?

a)

Flat and curve

b)

Inclined and declined

c)

Parallel

d)

Rise and Fall Pattern

40.

Siefs are found in

a)

Mongolian Desert

b)

Iraqian Desert

c)

Libyan Desert

d)

Eastern Australian

e)

Sahara Desert

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