Groundwater
Practice Test
1.
How are caves formed?
SC.D.1.4.2
a.
porosity of sandstone and limestone
b.
dissolution and precipitation of limestone
c.
permeability of water through fine-grained materials
d.
uplift of limestone rocks
2.
When does groundwater become surface water?
a.
when the zone of saturation is lowered
b.
when the water table intersects Earth's surface
c.
when the rock at Earth's surface has high porosity
d.
when a new lake or stream is formed
3.
"If you were going to make a pond in your backyard, which material would you choose to line the bottom?
a.
a mixture of sand, silt, and clay
b.
silt
c.
sand
d.
clay
4.
What is a characteristic of karst topography?
SC.D.1.4.2
a.
sinkholes
b.
caves
c.
sinking streams
d.
all of the above
5.
How is the water of a hot spring heated?
SC.D.1.4.2
a.
It flows in an open area that is heated by solar activity.
b.
It is heated from the body heat of humans.
c.
It is heated for no natural reason.
d.
It flows close to an area of recent igneous activity.
6.
Groundwater is __________ percent of the world's water supply.
a.
2.15
b.
31
c.
0.31
d.
0.009
7.
Which well shown in the figure would provide the healthiest water?
a.
Well 3
b.
Well 1
c.
Well 2
d.
Well 4
8.
The process of water being added to the water table from precipitation is called __________.
a.
recharge
b.
creating a cone of depression
c.
condensation
d.
drawdown
9.
Artesian aquifers __________.
a.
have hard water
b.
have problems with subsidence
c.
contain water under pressure
d.
often are contaminated with salt water
10.
Water can move through soil because of the soil's __________.
a.
porosity
b.
well-sorted material
c.
impermeable layer
d.
permeability
11.
A __________ occurs where groundwater is discharged at Earth's surface at the contact between an aquifer and an aquiclude.
a.
spring
b.
lake
c.
wetland
d.
geyser
12.
The highest percent of porosity is found in __________.
a.
poorly sorted sediments
b.
the water table
c.
well-sorted materials
d.
impermeable layers
