WorksheetsWeathering Types and Soil Formation
Total questions: 26
Worksheet time: 26mins
Name
Class
Date
1.
Process in which something is worn down by rubbing one object or surface against another
a)
exfoliation
b)
abrasion
c)
tumbling
d)
rotation
2.
Carbon dioxide dissolving in water to make weak acid is what example of chemical weathering?
a)
water
b)
lichens
c)
oxidation
d)
carbonation
3.
The more surface area of a rock is exposed, the more chemical weathering can occur.
a)
True
b)
False
4.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
5.
Which of the following is the most important soil formation factor
a)
Time
b)
Climate
c)
Slope
d)
Organisms
6.
The process that breaks down rocks and other materials on Earth's surface is called
a)
weathering
b)
erosion
c)
soil conservation
d)
decomposition
7.
The diagrams shows a rock with water trapped in the cracks during the day and at night.
Which statement best explains why this process results in weathering?
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
8.
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
9.
Which of the following is an example of chemical weathering?
a)
acid rain dissolving limestone
b)
roots breaking into concrete
c)
paper being ripped
d)
water running over rocks
10.
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)
oxidation.
c)
erosion.
d)
a sinkhole.
11.
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.
c)
sinkholes.
d)
physical weathering.
12.
This type of weathering is caused by the constant melting & freezing of water...
a)
Abrasion
b)
Ice Wedging
c)
Acid Rain
d)
Oxidation
13.
Which agents break down earth materials?
a)
wind only
b)
earthquakes
c)
ice and 007
d)
wind, water, ice and gravity
14.
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
15.
The organic material in soil is
a)
humus.
b)
bedrock.
c)
fertilizer.
d)
feldspar.
16.
The process by which minerals in soil are removed or washed away is called
a)
carbonation.
b)
leaching.
c)
fertilizing.
d)
hydrolysis.
17.
The A soil horizon contains
a)
humus
b)
leached materials and little to no humus
c)
partially weathered parent rock
18.
The B soil horizon contains
a)
humus
b)
leached materials and little to no humus
c)
partially weathered parent rock
19.
The C soil horizon contains
a)
humus
b)
leached materials and little to no humus
c)
partially weathered parent rock
20.
Plants and animals are bad for soil.
a)
true
b)
false
21.
What is the first step of soil formation?
a)
humus decomposing
b)
nitrates being absorbed by the plant roots
c)
weathering of parent rock
d)
climate changing
22.
Which layer is the bottom of the soil profile?
a)
C - Parent Material
b)
D - Separated rock
c)
C - Melted Rock
d)
A - Topsoil
23.
Layers of soil are also known as:
a)
Soil Profiles
b)
Soil Horizons
c)
Soil sheets
d)
Soil cores
24.
Which of the following is mostly responsible for preventing soil erosion?
a)
weathering
b)
farming
c)
the presence of plants
d)
the removal of trees
25.
This farming technique helps prevent erosion from heavy rains on steep hills.
a)
contour plowing
b)
no-till farming
c)
cover crop
d)
terracing
26.
What is the method of planting different crops from year-to-year to prevent nutrient depletion?
a)
crop rotation
b)
cover crop
c)
terracing
d)
contour plowing
100 %
