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WorksheetsUnderground Water
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
Toxic runoff can pollute a stream and also
a)
produce acid rain.
b)
cause soil erosion.
c)
create algae blooms.
d)
pollute groundwater.
2.
Which most likely caused the changes observed in the data over time?
a)
increase in the amount of precipitation
b)
increase in water conservation efforts
c)
decrease in the amount of recharge
d)
decrease in irrigation for farming
3.
Which human activity directly affects the quality of freshwater resources?
a)
depleting the ozone layer
b)
burning gasoline in car engines
c)
throwing trash out of car windows
d)
allowing runoff from agricultural fields
4.
What is most responsible for the presence of groundwater in an area?
a)
the movement of water from a confined aquifer into surface water
b)
the movement of surface water and precipitation through the soil and rock
c)
the movement of water from streams and rivers to watersheds
d)
the movement of surface water through impermeable rock
5.
A community decides to upgrade its water purification and management systems. What lasting impact could this have on available freshwater?
a)
It could cause a decrease in water demand.
b)
It could cause a decrease in water levels.
c)
It could cause an increase in waterborne diseases.
d)
It could cause an increase in the freshwater supply.
6.
A rural, forested area receives a lot of rain in a short amount of time. What would most likely cause potential flooding in the area?
a)
if the area has a large uncharged aquifer beneath it
b)
if the water level in the area is below the zone of saturation
c)
if the ground of the area is already saturated with water
d)
if the ground of the area is mostly sandy soil
7.
Which of the following make up part of Earth's groundwater?
a)
wetlands
b)
rivers
c)
aquifers
d)
lakes
8.
What is the relationship between groundwater and surface water?
a)
Surface water percolates (moves) through the soil to form groundwater.
b)
There is no relationship between surface and groundwater.
c)
Groundwater filters through the soil to form surface water.
d)
Surface water is found in lakes directly above underground water sources.
9.
How could a long-term decrease in precipitation impact an area?
a)
It could increase the average water level of lakes in the area.
b)
It could increase the amount of flooding in the area.
c)
It could decrease the amount of possible infiltration in the area.
d)
It could decrease the possible amount of damage to crops in the area.
10.
Plants release water into the atmosphere through a process called:
a)
evaporation
b)
transpiration
c)
infiltration
d)
precipitation
11.
A drainage basin or river basin is
a)
the channel of a stream
b)
the land covered by floodwaters
c)
the land area that contributes water to a river
d)
all streams that flow directly to the ocean
12.
Aquifers that allow for good groundwater flow have many open spaces between the rocks or sediments that are connected to each other. Describe the aquifer using the terms below.
a)
permeable and non porous
b)
permeable and porous
c)
impermeable and non porous
d)
impermeable and porous
13.
What process is happening at letter A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Infilration
14.
Which letter indicates the area where water is being added to the groundwater system?
a)
Arrow A
b)
Arrow B
c)
Arrow C
d)
Arrow D
15.
Which process below is happening at Arrow B?
a)
Water vapor is condensing to liquid water.
b)
Liquid water is infiltrating into the groundwater system.
c)
Liquid water is evaporating into the atmosphere.
d)
Precipitation is running off across the land surface.
16.
What is significate about the area labeled E?
a)
It is a recharge zone for the confined aquifer.
b)
It is a discharge zone for the confined aquifer.
c)
It is the zone of aeration.
d)
There is no significance to this area for the confined aquifer
17.
The layer of the diagram labeled C is which type of material?Apermeable layerBaquiferCporous layerDimpermeable layer
a)
permeable layer
b)
aquifer
c)
porous layer
d)
impermeable layer
18.
What is the area where water enters the aquifer called?
a)
Replacement zone
b)
Aquatard
c)
Recharge Zone
d)
No fly zone
19.
The boundary between the zone of aeration and the zone of saturation is called the...
a)
well
b)
recharge zone
c)
the water table
d)
watershed
20.
Which of the following has the lowest porosity?
a)
Clay
b)
Silt
c)
Gravel
d)
Sand
21.
A land area that is covered with water for part of the year is called:
a)
lake
b)
wetland
c)
river
d)
wasted land
22.
Which of the following is a reason why wetlands are important?
a)
Wetlands act as a filtering system.
b)
Wetlands are a place where birds go to die.
c)
Wetlands block water from flowing
d)
Wetlands provide habitat for cactus.
23.
Wetlands help control flooding by
a)
absorbing runoff from heavy rains
b)
collecting water behind dams
c)
providing natural water filtration
d)
quickly releasing water
24.
What do we call the land area that supplies water to a river system?
a)
runoff
b)
recharge
c)
watershed
d)
valley
25.
Wetlands are important because...
a)
they help filter water of toxins and excess nutrients
b)
they support many species
c)
they protect areas from floods
d)
all of these choices
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