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WorksheetsGroundwater: Terms and Analysis
Total questions: 17
Worksheet time: 13mins
Name
Class
Date
1.
Which graph shows the effect of soil permeability on the amount of runoff in an area?
a)
1
b)
2
c)
3
d)
4
2.
A soil sample with a large amount of space between the particles will have a
a)
High Porosity
b)
Low permeability rate
c)
High capillarity
d)
Low infiltration rate
3.
Flash flooding often occurs in city areas because
a)
Roads, pavements, and buildings reduce the infiltration of water into the ground
b)
Ground water storage is usually very large
c)
unoff decreases during precipitation
d)
The heat generated by city areas decreases actual evapotranspiration
4.
Which soil-property measurement usually is greater when particles are fine than when particles are coarse?
a)
Porosity
b)
Permeability
c)
Infiltration
d)
Capillarity
5.
The direct cause of ground water supplies becoming unfit for human use is usually
a)
An uncontrollable deficit
b)
Excessive surface runoff and flooding
c)
Very heavy precipitation
d)
Contamination of the saturated zone by pollutants
6.
Base your answer to the following question on the diagram, which represents samples of soil and bedrock at Earth’s surface. The arrows represent possible infiltration of rainwater Which sample probably has the greatest porosity?
a)
Granite bedrock
b)
Pebble-and-sand soil
c)
Pebble soil
d)
Conglomerate bedrock
7.
If a rock is compressed and its volume decreases, how will the rock’s density and porosity be affected?
a)
Density and porosity will both decrease
b)
Density and porosity will both increase
c)
Density will increase and porosity will decrease
d)
Density will decrease and porosity will increase
8.
Which surface soil type has the slowest permeability rate and is most likely to produce flooding?
a)
Pebbles
b)
Silt
c)
Sand
d)
Clay
9.
The diagram is a cross-sectional view of rain falling on a farm field and then moving to the water table Which word best describes the movement of the rainwater through zone A?
a)
Saturation
b)
Runoff
c)
Precipitation
d)
Infiltration
10.
Compared to an area of Earth’s surface with gentle slopes, and area with steeper slopes most likely has
a)
More infiltration and more runoff
b)
Less infiltration and more runoff
c)
More infiltration and less runoff
d)
Less infiltration and less runoff
11.
Which set of surface soil conditions on a hillside would result in the most infiltration of rainfall?
a)
Steep slope, unsaturated soil, no vegetation
b)
Gentle slope, unsaturated soil, vegetation
c)
Steep slope, saturated soil, vegetation
d)
Gentle slope, saturated soil, no vegetation
12.
Water can pass through a sandstone sample because the sample is
a)
Permeable
b)
Well compacted and cemented
c)
Organic in origin
d)
Composed of pebble-sized particles
13.
During a rainfall, surface runoff will probably be greatest in an area that has a
a)
Steep slope and a clay-covered surface
b)
Steep slope and a gravel-covered surface
c)
Gentle slope and a grass-covered surface
d)
Gentle slope and a tree-covered surface
14.
Which sediment size would allow water to flow through at the fastest rate?
a)
Sand
b)
Clay
c)
Silt
d)
Pebbles
15.
Which soil conditions normally result in the greatest amount of runoff? Question*
a)
vegetation and steep slope
b)
no vegetation and steep slope
c)
vegetation and gentle slope
d)
no vegetation and gentle slope
16.
The diagram shows two identical containers filled with uniform particles that were sorted by size. Which characteristic is most likely the same for these particle-filled containers?
a)
Water retention
b)
Capillarity
c)
Infiltration rate
d)
Porosity
17.
The diagram represents three containers, A, B, and C, which were filled with equal volumes of uniformly sorted plastic beads. Water was poured into each container to determine porosity and infiltration time. See picture for question
a)
1
b)
2
c)
3
d)
4
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