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WorksheetsQuiz #3 (GEOL 1350---Spring 2018)
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Regolith refers to only ___.
a)
water and air
b)
mineral matter and organic matter
c)
broken down rock and mineral matter
d)
organic matter and water
2.
Texture is important because it influences the soils ability to retain ___ and ___, both of which are critical to plant growth.
a)
clay, silt
b)
water, organic matter
c)
clay, organic matter
d)
water, air
3.
Using the Soil Texture Pyramid, name the soil that consists of 30 percent sand, 10 percent silt, and 60 percent clay.
a)
sandy loam
b)
loam
c)
clay
d)
silty clay
4.
Soil “in good condition for plant growth” consists of __% mineral matter, __% air, __% water and __% organic matter.
a)
45,25,25,5
b)
25,45,25,5
c)
5,45,25,25
d)
25,5,45,25
5.
What is defined as “the proportions of different particle sizes present in the soil”?
a)
sandy loam
b)
soil texture
c)
soil moisture
d)
soil particles
6.
Of the five basic controls of soil formation ___ is the most influential.
a)
parent material
b)
topography
c)
climate
d)
time
7.
Which term refers to washing-out of fine soil components from the soil profile?
a)
eluviation
b)
leaching
c)
solum
d)
hardpan
8.
Which term means “true soil”?
a)
eluviation
b)
leaching
c)
solum
d)
hardpan
9.
In an “idealized soil profile from a humid climate in the middle latitudes” which letter represents partially altered parent material?
a)
O
b)
A
c)
B
d)
C
10.
___ refers to the continuous movement of water between the oceans, air and land.
a)
hydrologic cycle
b)
evaporation
c)
transpiration
d)
infiltration
11.
The process of precipitation “soaking” into the ground.
a)
hydrologic cycle
b)
evaporation
c)
transpiration
d)
infiltration
12.
Which of these is not one of the 4 factors that influence the balance between infiltration and runoff during a rain event?
a)
permeability of surface material
b)
type of underlying bedrock
c)
intensity of rainfall
d)
slope of land
13.
A measure of the ability of a material to transmit fluids.
a)
saturation
b)
soil texture
c)
permeability
d)
slope
14.
When the subsurface material pore spaces are completely filled with water.
a)
saturated
b)
permeable
c)
unsaturated
d)
impermeable
15.
Discharge is the volume of water flowing past a given point per unit time and typical units are ___.
a)
feet per sec
b)
square feet per sec
c)
cubic feet per sec
d)
acre-feet per sec
16.
Well above sea level, steep gradients, downcutting and V-shaped valleys are characteristics we would expect to find near a stream’s ___.
a)
mouth
b)
middle segment
c)
headwaters
d)
none of the above
17.
___ refers to the lowest point to which a stream or river may erode.
a)
meander
b)
oxbow
c)
headwater
d)
base level
18.
A small curved body of water formed when the curved part of a meander is cut-off by lateral stream-channel movement.
a)
meander
b)
oxbow lake
c)
Yazoo tributary
d)
falls/rapids
19.
The surface formed by the top of the zone of saturation.
a)
water table
b)
unsaturated zone
c)
cone of depression
d)
bedrock surface
20.
A cone of depression is created when groundwater is ___.
a)
infiltrating from a stream
b)
infiltrating from a pond
c)
discharging to a spring
d)
pumped from a water well
21.
A permeable subsurface material (unconsolidated or consolidated) from which groundwater can be easily extracted.
a)
aquiclude
b)
aquitard
c)
aquifer
d)
confining layer
22.
The lowering or sinking of the ground surface; can be caused by aquifer over-pumping among other things.
a)
cone of depression
b)
subsidence
c)
mass wasting
d)
hyperstasis
23.
Landscapes dominated by features that result from groundwater dissolving and removing the underlying soluble rock.
a)
Karst topography
b)
Dissolution topography
c)
Groundwater topography
d)
Rugosa topography
24.
This karst feature is not present at Earth's surface.
a)
springs
b)
collapse sink
c)
cavern
d)
solution valley
25.
What natural chemical is primarily responsible for dissolving limestone?
a)
hydrochloric acid
b)
sulfuric acid
c)
acetic acid
d)
carbonic acid
26.
The chemical formula for the correct answer to question 26.
a)
H2CO3
b)
HCO3
c)
H2CO2
d)
H2CO
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