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WorksheetsWater
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
From greatest to least, rank the primary uses of fresh water around the world.
a)
personal, industry, agriculture
b)
industry, agriculture, personal
c)
agriculture, industry, personal
d)
industry, personal, agriculture
2.
In the United States, most of the fresh water we use—about 74 percent of it—comes from
a)
surface water sources.
b)
aquatic supplies.
c)
aquifers.
d)
the ocean.
3.
Groundwater is primarily used for
a)
industrial uses.
b)
irrigation.
c)
personal uses.
d)
drinking water.
4.
Human activities that clear large areas of land and increase erosion contribute directly to what type of pollution?
a)
biological
b)
groundwater
c)
sediment
d)
toxic chemical
5.
The best way to reduce groundwater pollution is to
a)
increase the use of groundwater mining.
b)
prevent it from happening.
c)
build more desalination plants.
d)
speed up the eutrophication process.
6.
Which of the following was not part of the Clean Water Act?
a)
set standards for pollution levels
b)
funded construction of sewage treatment plants
c)
limited the release of point-source pollution
d)
regulated the amount of fertilizers and pesticides that are contained in runoff
7.
As a natural resource, freshwater is
a)
renewable.
b)
nonrenewable.
c)
unlimited.
d)
unusable.
8.
All of the land area that supplies water to a particular river system is included in a(n)
a)
aquifer.
b)
water table.
c)
watershed.
d)
recharge zone.
9.
Sometimes, the water table naturally rises to the surface creating
a)
aquifers.
b)
wells.
c)
drainage basins.
d)
springs.
10.
Which major category of water use would include watering grain to feed to livestock?
a)
personal
b)
agricultural
c)
industrial
d)
electrical
11.
To help regulate river flow and to build a stable supply of water, engineers build
a)
aquifers.
b)
water tables.
c)
dams.
d)
wells.
12.
What type of system targets individual plants and introduces water directly into the soil?
a)
desalination
b)
reverse osmosis
c)
waterlogging
d)
drip irrigation
13.
Which of the following is an example of nonpoint-source pollution?
a)
a boat leaking motor oil
b)
a pipe releasing hot water
c)
rain washing salt off the roads
d)
a container leaking chemicals
14.
Which nutrient is usually responsible for causing eutrophication in fresh water?
a)
phosphorous
b)
salt
c)
mercury
d)
oxygen
15.
Harmful algal blooms are a result of what type of pollution?
a)
oil
b)
nutrient
c)
mercury
d)
groundwater
16.
Leaky underground storage tanks are a major source of what type of pollution?
a)
groundwater
b)
nonpoint-source
c)
biological
d)
sediment
17.
Most irrigation is efficient.
a)
true
b)
false
18.
Sewage pouring out of a pipe into a river would be considered point-source pollution.
a)
true
b)
false
19.
Most of the oil released into the oceans by human activity comes from tanker spills.
a)
true
b)
false
20.
Most of the time, groundwater is accessed through a spring.
a)
true
b)
false
21.
Data indicate that our current rate of freshwater use is sustainable in much of the world.
a)
true
b)
false
22.
Heavy water diversion can cause a river to dry up before reaching its mouth.
a)
true
b)
false
23.
Pollution that comes from many places and spreads over a large area is called point-source pollution.
a)
true
b)
false
24.
Chemicals break down much more quickly in aquifers than in surface water.
a)
true
b)
false
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