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Weathering & Erosion

Total questions: 37

Worksheet time: 21mins

Name
Class
Date
1.

The process by which water, ice, wind, or gravity moves weathered rock and soil from one place to another.

a)

Weathering

b)

Erosion

2.
What is an enormous mass of ice moving over land, causing weathering of rock and soil?
a)
A glacier
b)
An iceberg
c)
An ice wedge
d)
A sand dune
3.

What is the wearing away or breaking down of rocks called?

a)

Weathering

b)

Erosion

4.
Weathering and erosion are the same thing.
a)
True
b)
False
5.
Wind blowing sand from one location to another is called
a)
Weathering
b)
Erosion
6.
A mudslide flowing down a steep hill is called?
a)
Weathering
b)
Erosion
7.
The process of slowly breaking rocks into smaller pieces is called
a)
weathering
b)
erosion
8.
Flood water pounding against a canyon wall and wearing it down
a)
Weathering
b)
Erosion
9.

What is the correct sequence?

a)

Deposition, Erosion, Weathering

b)

Weathering, Erosion, Depostion

c)

Erosion, Deposition, Weathering

d)

Erosion, Weathering, Deposition

10.
Sediments piling up at the bottom of a hill or at the bottom of the ocean floor are examples of
a)
weathering
b)
erosion
c)
deposition
11.
A rock that has been broken down due to sand blasting (wind blowing sand onto the rock) is an example of
a)
mechanical weathering
b)
chemical weathering
c)
erosion
d)
deposition
12.
Limestone reacting with an acid (such as vinegar) is an example of 
a)
mechanical weathering
b)
chemical weathering
c)
erosion
d)
deposition
13.
A sidewalk being cracked by tree roots is an example of
a)
mechanical weathering
b)
chemical weathering
c)
erosion
d)
deposition
14.
A statue being broken down by reacting with acid rain is an example of
a)
mechanical weathering
b)
chemical weathering
c)
erosion
d)
deposition
15.
Lichen secretes an acid that breaks down rock.
a)
Mechanical Weathering
b)
Chemical Weathering
16.

How do plants most commonly break large rocks into smaller pieces?

a)

Seeds from plants fall onto rocks and release acidic compounds.

b)

Plant roots grow into cracks in rocks.

c)

Stems of plants surround and squeeze rocks.

d)

Plant protects surrounding rocks from extreme temperatures.

17.

The grinding/scratching away of rock by other rock particles carried in water, ice, or wind

a)

Frost wedging

b)

Exfoliation

c)

Oxidation

d)

Abrasion

18.

A type of chemical weathering in which a substance combines with oxygen, as when iron oxidizes, forming rust.

a)

Acid rain

b)

Oxidation

c)

Reaction to water

d)

Exfoliation

19.

What is the difference between weathering and erosion?

a)

Erosion breaks down the rocks, and weathering carries the broken pieces away.

b)

Erosion carries broken pieces away, and weathering builds the pieces back up into another land mass.

c)

Weathering carries broken pieces away, and erosion builds the pieces back up into another land mass.

d)

Weathering breaks down rocks, and erosion carries the broken pieces away.

20.

the wearing down of rock over time by natural elements like rain, wind and sun. It can be mechanical or chemical.

a)

weathering

b)

erosion

c)

deposition

d)

abrasion

21.

minerals or organic matter carried and deposited by water or wind that MAY consolidate into rock

a)

erosion

b)

sediment

c)

oxidation

d)

abrasion

22.

a mass of earth, rocks and debris that quickly and suddenly falls down the side of a mountain, cliff, hill, etc. This is an example of erosion happening suddenly.

a)

abrasion

b)

oxidation

c)

landslide

d)

weathering

23.

a natural feature of the Earth's surface. Examples include mountains, valleys, hills and plains.

a)

houses

b)

cities

c)

farms

d)

landforms

24.

the force on our planet that pulls things toward the center of the Earth.

a)

gravity

b)

wind

c)

water

d)

mountains

25.

the placement of weathered rock and sediment in a new location due to water, wind, etc.

a)

weathering

b)

erosion

c)

deposition

26.
What is mechanical weathering?
a)
Process through which rocks are physically broken into smaller pieces.
b)
Rocks are broken down through chemical changes.
c)
Rocks are worn away from acid in plant roots.
d)
Rocks broken down by machinery.
27.
Which of the following is an example of mechanical weathering?
a)
Acidic groundwater dissolving limestone
b)
frost wedging
c)
Paper being burned
28.
How is mechanical weathering different from chemical weathering?
a)
Chemical weathering happens over much shorter time frame than mechanical weathering.
b)
Chemical weathering changes the chemical composition of rocks; mechanical weathering does not.
c)
Chemical weathering occurs only in tropical climates; mechanical weathering occurs only in cool climates.
d)
Chemical weathering occurs only in the mountains; mechanical weathering occurs only on flat land.
29.
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
30.
Rocks along a riverbed that are smoothed from continuously moving water and sediment rubbing against them is an example of:
a)
mechanical weathering
b)
chemical weathering
31.
Potholes forming in the road after a cold winter is an example of:
a)
mechanical weathering
b)
chemical weathering
32.
A metal statue slowly turning green after years of being outside is an example of:
a)
mechanical weathering
b)
chemical weathering
33.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
34.
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
35.
The formation of stalactites and stalagmites in a cave as water mixed with carbon dioxide creates carbonic acid, which dissolves away the limestone, is an example of:
a)
mechanical weathering
b)
chemical weathering
36.
Exposure to rain and oxygen causes the metal minerals in rocks to rust and fall apart.  This is an example of:
a)
mechanical weathering
b)
chemical weathering
37.
Lichens (small green plants) growing on a large boulder release enzymes and other acids that slowly break the rock apart. This is an example of:
a)
mechanical weathering
b)
chemical weathering

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