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Worksheets

IWWM

Total questions: 75

Worksheet time: 37mins

Name
Class
Date
1.

Often water must be treated to become _______, safe to drink

a)

pathogen

b)

potable

c)

clarified

d)

bonifide

2.

Process used in water treatment process where water is pushed through screens, sand, gravel and coal to remove organisms and trash

a)

filtration

b)

chlorination

c)

coagulation

d)

bioreactors

3.

Which of the following is NOT a residential use of water?

a)

cooking and drinking

b)

washing dishes and clothes

c)

washing cars and watering the lawn

d)

watering crops

e)

showers and toilets

4.

What is the best way to CONSERVE water use in an agricultural setting...

a)

low flow toilets

b)

reuse cooling water

c)

drip irrigation

d)

high power overhead irrigation

5.

Which of the following is a disadvantage of dams and reservoirs?

a)

man made lakes used for drinking water, recreation and industry

b)

hydroelectric power

c)

existing ecosystems changed, displacing species and humans

d)

flood control

6.

While expensive and inefficient now, the removal of salt from ocean water may help create more potable water in the future

a)

water transport

b)

towing icebergs

c)

desalination plants

d)

xeriscaping

7.
Plants absorbing groundwater and pumping it into the atmosphere is called
a)
Transpiration
b)
Sublimation
c)
Evaporation
d)
None of the above
8.
The process of changing a liquid into vapor
a)
transpiration
b)
evaporation
c)
excavation
d)
condensation
9.

What percent of all water is fresh water?

a)

3%

b)

33%

c)

72%

d)

98%

10.
Layers of sand, gravel, or rock lying below the water table are called
a)
Aquducts 
b)
Aquifinas
c)
aquifers
d)
Recharge zone
11.
A well or spring results from which water gushes without being pumped.
a)
artist
b)
artesian
c)
Articulation
d)
resevoir
12.
______________ is the fraction of withdrawn water that is lost
a)
degraded
b)
Wihrawal
c)
Consumption
d)
Water
13.
______ is the total amount of water taken form any given natural source
a)
The Figi effect
b)
The Nestle Water effect
c)
withdrawal
d)
disgard
14.

What is causing cholera?

a)

Mosquitoes in tropical parts of the world

b)

People not using hand-sanitizers

c)

Drinking water contaminated with sewage

d)

Muddy water

15.
When water changes from a GAS to a LIQUID?
a)
Condensation
b)
Evaporation
c)
Precipitation
16.
Water on the top the earth can form lakes or rivers, these are termed ____.
a)
fresh water
b)
infiltration
c)
surface water
d)
groundwater
17.
What is the driving force of the water cycle?
a)
evaporation from the ocean
b)
heat from the sun
c)
precipitation from rainfall
d)
runoff from mountains
18.
The amount of water on average used by individuals, based on domestic is and agricultural or industrial consumption is termed ____.
a)
transpiration
b)
fresh water
c)
water scarcity
d)
water footprint
19.
Does everyone have access to a clean water supply?
a)
Yes
b)
No
20.

Runoff of sewage and agricultural wastes into coastal waters introduce

a)

algae growth

b)

rainwater

c)

surface runoff

d)

oil spill

21.

Improved water quality can be achieved by

a)

appropriate use of water

b)

careful water storage and handling

c)

proper land management

d)

all of the above

22.
What 2 important nutrients are tested for in a body of water to check for eutrophication levels?
a)
nitrates and phosphates
b)
dissolved oxygen and pH
c)
CO2 and O2
d)
nitrates and dissolved oxygen
23.
A factory is located next to a river.  The factory has a sewage pipe running straight out of the factory and into the river.  This is an example of ________________________.
a)
point source pollution
b)
non-point pollution
c)
tertiary receiving stream
d)
primary treatment
24.
pollutants entering waterways from a general area, such as runoff from farmland or suburban communities
a)
Pollution
b)
Point Source Pollution
c)
Non-point Source Pollution
d)
Turbidity
25.
Water that has been used by humans, but doesn't contain sanitary waste is called ________________.
a)
gray water
b)
septic water
c)
potable water
d)
none of these
26.
What is fecal coliform a measure of?
a)
A direct measurement of feces concentration.
b)
Number of bacteria (like E. coli) commonly found in sewage.
c)
The ability of water to transmit viruses such as influenza.
d)
The brownness of the water.
27.
Which of the following is NOT a desired effect in streams?
a)
a pH of about neutral
b)
low salinity
c)
high temperature
d)
low nitrates
28.
Select the correct order for the water treatment process.
a)
Sedimentation - Chlorination - Filtration
b)
Sedimentation - Filtration - Chlorination
c)
Filtration - Chlorination - Sedimentation
d)
Filtration - Sedimentation - Chlorination
29.
What is the first step in the water treatment process?
a)
coagulation
b)
filtration
c)
flocs
d)
concentation
30.

During secondary treatment in the aeration tanks, what is working on the sewage waste?

a)

microorganisms

b)

humans

c)

air titration

d)

oxidation/reduction

31.

What does chlorination do to the water?

a)

Removes microorganisms

b)

Cleans the water

c)

Makes the water taste nice

d)

Removes twigs and sediment

32.
What amount of the water on the earth is salt water?
a)
25%
b)
72%
c)
97%
d)
99%
33.
Categorically, the largest consumer of water in the U.S. is for what purpose?
a)
agriculture
b)
industry
c)
municipal
d)
recreation
34.
What is the main reason why water is not desalinated?
a)
don't know how
b)
too expensive
c)
difficult to transport
d)
inaccessible
35.
For what purpose is most of the water used in American households?
a)
washing machine
b)
dishwasher
c)
lawns
d)
showering
36.

Average American uses _____ liters of water daily.

a)

400

b)

250

c)

15

d)

310

37.

Property that allows water molecules to stick together & perform hydrogen bonding:

a)

solvation

b)

polarity

c)

thermodynamics

d)

evaporation

38.

Water quality is as important as water quantity.

a)

True

b)

False

39.

Percent of world population that does not have access to clean drinking water.

a)

5%

b)

25%

c)

50%

d)

19%

40.

Which of the following is not a reason for water scarcity:

a)

Aging water systems

b)

Groundwater mining

c)

Water rights/ ownership

d)

Increasing population

e)

All of these are valid reasons for scarcity

41.

Precipitation is another term for:

a)

climate change

b)

rain/snow

c)

evaporation

d)

transpiration

42.

When surface water makes its way through porous rock and into an aquifer, it is called:

a)

porosity

b)

groundwater

c)

runoff

d)

saline

43.

Aquifers closest to the vadose zone.

a)

unconfined

b)

confined

c)

artesian well

d)

aquitards

44.

The measure of the size and number of spaces in the substrate.

a)

wellsize

b)

porosity

c)

aquitard

d)

friable

45.

Area where aquifer water naturally flows to land under natural pressure; no pumping.

a)

artesian well

b)

aquiclude

c)

aquitard

d)

plezometric surface

46.

Aquifer found between 2 aquicludes.

a)

confined aquifer

b)

unconfined aquifer

c)

artesian well

d)

aquitard

47.

Which of the following is a porous layer of an aquifer:

a)

aquiclude

b)

artesian well

c)

aquitard

d)

bedrock

48.

Both surface water and groundwater can be used for drinking water supplies.

a)

True

b)

False

49.

Making water more expensive makes people use more of it.

a)

True

b)

False

50.

Which of the following is NOT an irrigation method?

a)

Surface irrigation

b)

Spray irrigation

c)

Trickle irrigation

d)

Sub-irrigation

e)

Humus irrigation

51.

90% of industrial water use is:

a)

used for cooling

b)

nonconsumptive

c)

from surface water

d)

all of these

52.

Regulation of water quality standards in the USA:

a)

Brockovich Bill

b)

Qualitative Water Usage Act

c)

Potable Drinking Water Act

d)

Clean Water Act

53.

Type of water use covered by hydroelectric dams:

a)

In-stream

b)

Agricultural

c)

Domestic

d)

Municipal

54.

Nutrients in water that require microbial decomposition.

a)

biochemical oxygen demand

b)

dissolved organic matter

c)

bioaccumulated pollutants

d)

nitrogen oxides

55.

2/3 of all human-caused marine oil pollution is due to single-hulled tanker spills.

a)

True

b)

False

56.

Chemical required by microbes to break down organic waste.

a)

O2

b)

NO2

c)

SO2

d)

N & P

57.

Soil salinization is common in fields that:

a)

are constantly irrigated

b)

use polyculture crops

c)

use conservation tillage

d)

are situated above aquifers

58.

Groundwater provides _____% of the drinking water in the USA.

a)

5

b)

50

c)

18

d)

67

59.

All wastewater treatment plants use Tertiary Treatment.

a)

True

b)

False

60.

Pollution from mining is considered:

a)

agricultural

b)

industrial

c)

marine

d)

municipal

61.

These are the physical parameters of water quality except

a)

turbidity

b)

salinity

c)

temperature

d)

BOD

62.

When DO drop below 5 mg/L, sensitive organisms can become stressed.

a)

True

b)

False

63.

Higher COD levels mean a greater amount of oxidizable organic material in the sample

a)

True

b)

False

64.

A higher BOD indicates high DO in water

a)

True

b)

False

65.

These are the parameters used to calculate WQI except...

a)

BOD

b)

DO

c)

Phosphorus

d)

Ammoniacal nitrogen

e)

Total Suspended solid

66.

Which class of water is not suitable for recreational use?

a)

Class I

b)

Class IIa

c)

Class IIb

d)

Class III

67.

The breakdown of degradable wastes by bacteria depletes dissolved oxygen and creates

a)

oxygen sag curve

b)

recovery zone

c)

clear zone

d)

BOD zone

68.

This is not the effects of increasing nutrients in a lake...

a)

oxygen depletion

b)

eutrophication

c)

aquatic organism die

d)

increase in oxygen

69.

Groundwater will not become contaminated because of

a)

proper sanitary system

b)

cow manures

c)

overused of pesticides

d)

leachate

70.

Runoff of sewage and agricultural wastes into coastal waters introduce

a)

algae growth

b)

rainwater

c)

surface runoff

d)

oil spill

71.

These are for water conservation except...

a)

safe water

b)

drink water

c)

recycle water

d)

reuse water

72.

Best practice in agriculture for water conservation

a)

leave plant residue on soil ground

b)

use drip irrigation

c)

terraces

d)

use semi treated sewage water for irrigation

73.

A measurement of the total concentration of ions in water is

a)

salinity

b)

temperature

c)

acidity

d)

alkalinity

74.

improved water quality can be achieved by

a)

appropriate use of water

b)

careful water storage and handling

c)

proper land management

d)

all of the above

75.

the process by which water changes from liquid to a vapor

a)

precipitation

b)

evaporation

c)

condensation

d)

distillation

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