Water Monitoring

Question 1

is any process that improves the quality of water to make it appropriate for a specific end-use such as drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

Answer 1

Water Treatment

Question 2

making something new from something that has been used before

Answer 2

Recycling

Question 3

the introduction of any harmful substance into a water environment at a faster rate than it can be cleansed.

Answer 3

Water Pollution

Question 4

Pollution that comes from a single site.

Answer 4

Point source pollution

Question 5

Pollution that comes from many places or an unidentified source

Answer 5

Non-point source pollution

Question 6

the following of practices that protect Earth’s resources

Answer 6

Stewardship

Question 7

a biological, chemical, physical or radiological substance that becomes harmful for humans or living organisms, when accidentally or deliberately introduced to air, water, soil or food.

Answer 7

Containment

Question 8

the practice of using water efficiently to reduce unnecessary water usage

Answer 8

Water conservation

Question 9

extremely rapid growth of algae.

Answer 9

Algal bloom

Question 10

Which is the main reason scientists monitor the water quality of water sources?
A. To protect the health of humans
B. To maintain a clean environment
C. To decrease oxygen levels in water
D. To maintain adequate nitrates and bacteria in water

Answer 10

A. To protect the health of humans

Question 11

What can households do to help the local wastewater treatment facility function properly?
A. Put food waste in a composter instead of in the trash
B. Dispose of cooking oil in the kitchen sink
C. Flush only human waste and toilet paper down the toilet
D. Volunteer to help operate the treatment plant once a month

Answer 11

C. Flush only human waste and toilet paper down the toilet

Question 12

Which process could a city near the ocean use to convert ocean water to drinking water?
A. Condensation
B. Desalination
C. Evaporation
D. Infiltration

Answer 12

B. Desalination

Question 13

In the US, which is responsible for ensuring the safety of the country’s drinking water ?
A. Environmental Protection Agency (EPA)
B. Food and Drug Administration (FDA)
C. National Oceanic and Atmospheric Administration (NOAA)
D. Center for Disease Control (CDC)

Answer 13

A. Environmental Protection Agency (EPA)

Question 14

Why are Americans warned to avoid drinking water when visiting developing countries?
A. Water in developing countries is discolored
B. Water in developing countries is composed of different elements
C. Water in developing countries may be minimally treated and could cause illness

Answer 14

C. Water in developing countries may be minimally treated and could cause illness

Question 15

Why do state governments MOST LIKELY monitor the quality of their local water sources?
A. To sell water to other states
B. To help prevent global warming
C. To maintain a healthy environment
D. To save the environment for future generations

Answer 15

C. To maintain a healthy environment

Question 16

Why is it necessary to have public water treatment systems?
A. To collect and redistribute nutrients in the water cycle
B. To maintain the good health of environments and organisms
C.To manage the runoff from erosion of topsoil and city streets

Answer 16

B. To maintain the good health of environments and organisms

Question 17

Which are 2 factors that affect water quality?
A. Density and toxicity
B. Texture and color
C. Odor and acidity

Answer 17

C. Odor and acidity

Question 18

Which BEST describes an economic trade-off a community must make in order to maintain acceptable water quality?
A. Enforcing environmental regulations to prevent point source pollution
B. Organizing informational meetings to prevent potential zoning restrictions
C. Providing tax incentives for potential industrial development and expansion

Answer 18

A. Enforcing environmental regulations to prevent point source pollution

Question 19

Why is filtration an important part of water treatment?
A. Filtration guarantees a clear coloring in water
B. Filtration removes small particles from the water
C. Filtration adds chlorine to water to kill microorganisms
D. Filtration adds vitamins and minerals to drinking water

Answer 19

B. Filtration removes small particles from the water

Question 20

Indicators of aquatic health are BEST observed under which conditions?
A. Once every ten years
B. At the surface, every year
C. Once a year at many depths
D. Many times a year at many depths

Answer 20

D. Many times a year at many depths

Question 21

Raleigh has a pollution prevention hotline for reporting illegal discharge into a storm drain. Which activity should be reported?
A. Someone dumping motor oil into a storm drain
B. A strong gust of wind blowing leaves into a storm drain
C. Stormwater flowing into a storm drain after a heavy rain event

Answer 21

A. Someone dumping motor oil into a storm drain

Question 22

How does the use of a pH meter help monitor the hydrosphere?
A. By indicating whether the water is too acidic or basic
B. By indicating if there is too much sediment in the water
C. By indicating whether microorganisms are living in the water
D. By indicating if there is enough dissolved oxygen in the water

Answer 22

A. By indicating whether the water is too acidic or basic

Question 23

Which BEST explains why water quality standards are necessary?
A. To maintain clear water
B. To maintain fresh-tasting water
C. To prevent water from having any trace of pollutants
D. To prevent water from having excessive levels of pollutants

Answer 23

D. To prevent water from having excessive levels of pollutants

Question 24

How can satellites discover the temperature of different areas of the ocean surface?
A. By x-ray imaging
B. By radio imaging
C. By infared imaging

Answer 24

C. By infared imaging

Question 25

How is satellite imagery beneficial when studying the hydrosphere?
A. It allows scientists to sample the surface of the ocean floor
B. It allows scientists to explore the deepest parts of ocean water
C. It allows scientists to collect large amounts of bioindicator data
D. It allows scientists to obtain maximum coverage of the hydrosphere

Answer 25

D. It allows scientists to obtain maximum coverage of the hydrosphere

Question 26

What water quality standard pertains to bacteria levels?
A. Dissolved oxygen levels
B. Fecal coliform levels
C. Nitrate levels

Answer 26

B. Fecal coliform levels