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Fresh Water Resources Self Check

Total questions: 27

Worksheet time: 31mins

Name
Class
Date
1.

Groundwater recharge

a)

is the result of precipitation

b)

sometimes occurs as a spring

c)

occurs rapidly in confined aquifers

d)

can cause saltwater intrusions

e)

does not occur in unconfined aquifers

2.

Water diversion has significantly reduced the size of

a)

Lake Erie

b)

the Aral Sea

c)

the Nile

d)

Lake Baikal

e)

the Baltic Sea

3.

In the United States, most water is used for

a)

agriculture

b)

households

c)

industry

d)

transportation

e)

hydroelectric plants

4.
The geological layer, consisting of underground caverns and porous layers of sand, gravel, or bedrock, where groundwater flows, is called
a)
zone of saturation
b)
aquifer
c)
the water table
d)
surface water
5.
The term subsidence refers to
a)
failure of the groundwater supply
b)
accumulation of silt behind a dam
c)
sinking of ground when water has been withdrawn
d)
intrusion of salt water into a freshwater aquifer
6.

97 % of all water on Earth is in the oceans. Which of the following is the correct order of the Earth’s water storage compartments from largest to smallest?

a)

ocean, atmosphere, lakes, groundwater, rivers, ice caps

b)

ocean, groundwater, rivers, ice caps, atmosphere, lakes

c)

ocean, ice caps, groundwater, lakes, atmosphere, rivers

d)

ocean, lakes, ice caps, groundwater, atmosphere, rivers

7.
How would cutting down trees affect water quality in a watershed?
a)
There would be no affect on water quality.
b)
Rivers and streams might become clogged with silt.
c)
Water levels would be reduced.
d)
The watershed divide would change.
8.
What do you call water/precipitation that does not absorb into the ground and flows back into the Earth's bodies of water?
a)
runoff
b)
sediment
c)
transpiration
d)
pollution
9.
The transition zone between dry areas of land and bodies of water are called:
a)
Wetlands
b)
Watersheds
c)
Divides
d)
Estuaries
10.
Which of the following statements is true?
a)
Water is an unlimited resource.
b)
Water is a nonrenewable resource.
c)
Water is a renewable but limited resource.
d)
Water is renewable and unlimited.
11.
Wastewater treatment plant- Point or Nonpoint?
a)
Point Source Pollution
b)
Nonpoint Pollution
12.
Building and parking lot construction 
a)
Point 
b)
Non-Point 
13.

Eutrophication

a)

is the result of excess carbon

b)

causes low BOD

c)

can cause dead zones

d)

is rarely caused by human activities

e)

only occurs in fresh water

14.

What is the first step in the water treatment process?

a)

coagulation

b)

filtration and removal of debris, sand, grit, etc.

c)

flocs

d)

concentation

15.

Which substance is used in a sewage treatment system to kill harmful bacteria?

a)

ammonia

b)

chlorine

c)

sand

d)

soap

16.
What is the role of bacteria in the water purification process?
a)
digested organic matter
b)
add chlorine
c)
nothing, we don't want them in there
d)
add nutrients to the sludge
17.
What gas must be maintained at precise levels in the aeration tank?
a)
CO2
b)
O2
c)
H2
d)
CO
18.

List the following steps of Water purification in the correct order

Step P: Water is passed through a screen to remove debris.

Step Q: Pathogenic organisms are killed by chlorination, UV, or ozone.

Step R: Suspended particles clump and settle out.

Step S: A flocking agent, such as alum, is added to the water.

a)

P, Q, R, S

b)

S, P, R, Q

c)

P, S, R, Q

d)

R, P, S, Q

e)

S, R, P, Q

19.
Which is NOT a primary use of dams?
a)
recreation
b)
electricity generation
c)
flood control
d)
habitat restoration
20.
Which act allows us to fish and swim in clean surface water?
a)
1972 Clean Water Act
b)
1975 Safe Drinking Water Act
c)
1987 Water Quality Act
21.

What are two elements that can cause nutrient pollution?

a)

Carbon and Nitrogen

b)

Phosphorus and Nitrogen

c)

Phosphorus and Sodium

d)

None of the above

22.

Algal bloom can cause

a)

Shortness of breath

b)

Depletion of oxygen in the water

c)

Growth of organisms

d)

All of the above

23.

Different water pollution types include:

a)

Surface Water & Oxygen Depleting

b)

Microbiological & Suspended Matter

c)

Chemical & Oil Spillage

d)

All of the above

24.

The method of removing salt and other minerals from sea water is:

a)

dehydration

b)

desalination

c)

destruction

d)

desert

25.

What is the finest type of sediment particle?

a)

silt

b)

sand

c)

gravel

d)

rocks

26.
Minimal light is able to penetrate through the linmetic zone into the deepest areas of a large lake which is called the what zone?
a)
profundal zone 
b)
intertidal zone
c)
estuary 
27.
Most of a lakes biodiversity is found in what two zones?
a)
limnetic zone and abyssal 
b)
littoral zone and limnetic

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