WorksheetsChapter 9 activity
Total questions: 40
Worksheet time: 38mins
Name
Class
Date
1.
The natural chemical or physical processes that breaks down rock on Earth's surface.
a)
weathering
b)
erosion
c)
deposition
d)
jackhammering
2.
The process by which water, ice, wind or gravity moves weathered rock and soil from one place to another.
a)
weathering
b)
erosion
c)
deposition
d)
dumptruck
3.
This type of weathering occurs when rock is physically broken down into smaller pieces of rock.
a)
mechanical weathering
b)
chemical weathering
c)
erosion weathering
d)
deposition
4.
This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock.
a)
mechanical weathering
b)
chemical weathering
c)
erosion weathering
d)
deposition
5.
These rocks were made smooth by wind blowing smaller rock particles across their surface. This is an example of:
a)
ice wedging
b)
chemical weathering
c)
acid rain
d)
abrasion
6.
These rocks were broken apart from the continuous freeze/thaw of water in the cracks of the rocks. This is an example of:
a)
ice wedging
b)
acid rain
c)
permeability
d)
abrasion
7.
This rock may chemically weather easily because is has many spaces or holes in it that allow water to seep through it, meaning it is:
a)
permeable
b)
abrasive
c)
erosion
d)
unchangable
8.
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
9.
How might a weathered mountain appear different than an unweathered mountain?
a)
Weathered mountain would be taller.
b)
Weathered mountain would be rounder and less jagged.
c)
Weathered mountain would be more jagged and less rounded.
d)
Weathered mountain would have no trees.
10.
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.
11.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
12.
Potholes forming in the road after a cold winter is an example of:
a)
mechanical weathering
b)
chemical weathering
13.
A metal statue slowly turning green after years of being outside is an example of:
a)
mechanical weathering
b)
chemical weathering
14.
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
15.
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
16.
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
17.
The formation of large cracks in the face of a mountain from ice wedging is an example of:
a)
mechanical weathering
b)
chemical weathering
18.
Acid rain wearing away the face of a marble gravestone or statue is an example of?
a)
mechanical weathering
b)
chemical weathering
19.
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
20.
What is the movement of soil from one place to another?
a)
weathering
b)
deposition
c)
discharge
d)
erosion
21.
What is the process of moving sediments from one location to another?
a)
Deposition
b)
Erosion
c)
Weathering
d)
Displacement
22.
Which of these are an example of erosion?
a)
Light Shinning on a mountain
b)
Rain breaking down rock
c)
Wind blowing away sediment
d)
All of the above
23.
What happens when weathering and erosion work together?
a)
New Mountains are formed
b)
The climate changes overtime
c)
Metal pieces become rusty
d)
They change the Earth's surface
24.
What is the main cause of weathering and erosion to make a canyons?
a)
wind
b)
ice
c)
glaciers
d)
moving water
25.
How does growth in the soil affect the rate of erosion?
a)
It doesn't affect erosion.
b)
It decreases erosion.
c)
It increases erosion.
26.
Deltas are built up by -
a)
deposition
b)
leaching
c)
abrasion
d)
erosion
27.
Wind blowing sand from one location to another
a)
Weathering
b)
Erosion
c)
Deposition
28.
Rain washing away soil from a hillside
a)
Weathering
b)
Erosion
c)
Deposition
29.
Which option best tells the rate at which glacial erosion takes place?
a)
Slow
b)
Quick
30.
Which of the following best describes how erosion by groundwater might create a landform?
a)
Acidic water dissolves rock to form a cave
b)
Stream slowly wears away rock and soil
c)
Waves crashing against a shoreline
d)
Sediment building up to form a delta
31.
A river flowing across a wide flood plain begins to form loop-like bends called -
a)
rills
b)
meanders
c)
outside curves
d)
deltas
32.
How would a fast-flowing river be most likely to move sand-sized particles of sediment?
a)
It would lift them and carry them downstream.
b)
It would dissolve them completely in solution.
c)
It would roll or slide them along the streambed.
d)
It would deposit them on the streambed.
33.
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called -
a)
erosion
b)
cracking and peeling
c)
abrasion
d)
ice wedging
34.
What kind of weathering causes the mineral composition of rocks to change?
a)
mechanical weathering
b)
permeable weathering
c)
chemical weathering
d)
physical weathering
35.
A rock containing iron becomes soft and crumbly and reddish-brown in color. It probably has been chemically weathered by -
a)
abrasion
b)
carbon dioxide
c)
oxygen
d)
acid rain
36.
How does freezing water cause the weathering of rocks? The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands in the cracks and breaks rocks
d)
causes rocks to fall in landslides
37.
When rust forms on a metal object, it is caused by what process?
a)
carbon dioxide (carbonic acid)
b)
acid rain
c)
oxidation
d)
lichens
38.
What is sediment?
a)
the process of rocks being broken down and carried away
b)
bits of rock and sand caused by the weathering of rocks
c)
the top layer of the soil
d)
decaying plant or animal material
39.
How do plants weather rocks?
a)
during photosynthesis
b)
when roots grow into cracks of rocks and expand the rock
c)
when the plant moves water from the roots to the leaves
d)
Plants don't weather rocks
40.
What type of weathering is it when acid rain breaks down and changes the rock?
a)
chemical weathering
b)
physical or mechanical weathering
c)
erosion
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