Weathering, Erosion, and Soil
Practice Test
1.
"Which type of soil has a high level of salt and can support only limited vegetation?
a.
a temperate soil
b.
a desert soil
c.
a polar soil
d.
a tropical soil
2.
"You find a soil sample with 50 percent sand, 20 percent silt, and 40 percent clay. Use the figure to determine the soil's texture.
a.
loam
b.
silt loam
c.
clay loam
d.
sandy clay loam
3.
"The repeated thawing and freezing of water in the cracks of rocks is called __________.
a.
frost pressure
b.
exfoliation
c.
chemical weathering
d.
frost wedging
4.
__________ is the loose covering of broken rock particles and decaying organic matter that covers bedrock.
a.
sediment
b.
a sedimentary rock
c.
regolith
d.
soil
5.
"What type of weathering involves changes in the size or shape of the rock?
a.
physical weathering
b.
pressure weathering
c.
hydrolysis
d.
chemical weathering
6.
How does temperature affect chemical weathering?
a.
It affects the amount of oxygen involved in weathering.
b.
It affects the rate of weathering.
c.
It is an agent of weathering.
d.
It affects the type of weathering.
7.
What is formed by the deposition of large amounts of sediment into a body of water by a river?
a.
a gully
b.
a delta
c.
a rill
d.
an alluvial fan
8.
The removal and transport of weathered materials is known as __________.
a.
erosion
b.
oxidation
c.
hydrolysis
d.
frost wedging
9.
What two variables control how fast a soil forms?
a.
residual vs. transported soil
b.
temperature and pressure
c.
type and age of parent rock
d.
type of parent rock and climate
10.
"In the figure, which flat of crops would suffer the least amount of erosion?
a.
the one with horizontal rows
b.
both would suffer the same amount of erosion
c.
the one with vertical rows
d.
it is impossible to tell from this
11.
Eroded materials that are transported are finally dropped in a process called __________.
a.
rill erosion
b.
transportation
c.
deposition
d.
physical weathering
12.
"Soil that has been moved to a location away from its parent rock is called __________.
a.
soil profile
b.
transported soil
c.
residual soil
d.
organic-rich soil
13.
"The __________ the total surface area, the __________ chemical weathering that can occur. greater, same greater, more greater, less smaller, more
a.
The greater the total surface area, the more chemical weathering that can occur.""
b.
B
c.
A rock that is broken into several small pieces has more surface area than the original single rock.
14.
What human activity causes acid precipitation to form
SC.G.2.4.6
a.
burning of fossil fuels and motor vehicle exhaust
b.
drilling for oil and natural gas
c.
clear cutting
d.
surface mining
15.
"According to the figure, which city in Australia would see the most erosion by running water?
a.
Darwin will see the most.
b.
Cook will see the most.
c.
Cook and Darwin will see equal amounts.
d.
Perth will see the most.
