Quiz about Water Quality, Pollution, & Conservation

Question 1

Low turbidity means what

Accepted Answer

Clear water

Answer

cloudy water

Answer

smelly water

Answer

witch water

Question 2

high turbidity means what

Accepted Answer

cloudy water

Answer

smelly water

Answer

clear water

Answer

witch water

Question 3

A body of water has a high bacteria count. What should happen to the concentration of the dissolved oxygen in the water?

Accepted Answer

The concentration of oxygen in the water should decrease.

Answer

The concentration of oxygen in the water should increase.

Answer

The concentration of oxygen in the water should remain the same.

Question 4

Which pH value would be the most dangerous to aquatic organisms living in a typical surface water source?

Accepted Answer

3

Answer

6

Answer

7

Answer

8

Question 5

cold water makes dissolved oxygen

Accepted Answer

increase

Answer

decrease

Question 6

photosynthesis makes dissolved oxygen

Accepted Answer

increase

Answer

decrease

Question 7

Fertilizers in the water makes Nitrogen levels

Accepted Answer

increase

Answer

decrease

Question 8

When harmful substances mix with our waterway systems, the result is __________________.

Accepted Answer

water pollution

Answer

erosion

Answer

irrigation

Answer

crop rotattion

Question 9

What does the process of filtration do to the water?

Accepted Answer

purifies it

Answer

pollutes it

Answer

increases the amount of water

Answer

makes it unsafe for human use

Question 10

The measure of biological, physical and chemical characteristics of water is called...

Accepted Answer

water quality

Answer

surface runoff

Answer

watershed

Answer

filtration

Question 11

How could pesticides get into lakes and streams?

Accepted Answer

all of the above

Answer

it could be washed down a storm drain

Answer

it could be sprayed too close to a stream

Answer

rain could cause it to runoff into a stream

Question 12

Water pollution that comes from many sources is considered...

Accepted Answer

nonpoint source pollution

Answer

point source pollution

Answer

thermal pollution

Answer

ocean pollution

Question 13

Water pollution that comes from a single source is considered...

Accepted Answer

point source pollution

Answer

nonpoint source pollution

Answer

thermal pollution

Answer

ocean pollution

Question 14

The natural process of eutrophication is accelerated when you add

Accepted Answer

phosphates and nitrogen

Answer

nitrates and oxygen

Answer

plant nutrients and dish detergent

Question 15

Eutrophication is caused by

Accepted Answer

runoff of excessive fertilizer and nutrients

Answer

cleaning up waterways

Answer

using nuclear energy

Answer

using solar energy

Question 16

How do nitrate levels affect the health of a water system?

Accepted Answer

nitrates cause aquatic organisms to die due to oxygen depletion

Answer

As nitrates decrease, there is an increase in plant growth

Answer

nitrates cause bacteria to consume large protein molecules

Answer

as nitrates increase, there is an increase in dissolved oxygen

Question 17

Which would a scientist expect to find in a lake that experienced a sudden increase in nitrate levels?

Accepted Answer

an increased amount of algae and aquatic plants

Answer

an increase in temperature

Answer

an increased number of fish

Answer

an increase in dissolved oxygen

Question 18

Organisms that indicate the health of an aquatic environment.

Accepted Answer

Bioindicator

Answer

Non-Point Source Pollution

Answer

Point Source Pollution

Answer

pH

Question 19

A measure of acidity/alkalinity

Accepted Answer

pH

Answer

Turbidity

Answer

Eutrophication

Answer

Point Source Pollution

Question 20

Ranges from 0 to 14; Less than 7 is acidic & greater than 7 is alkaline(basic)

Accepted Answer

pH

Answer

turbidity

Answer

dissolved oxygen

Answer

eutrophication

Question 21

Pollution spewing from a pipe into a river

Accepted Answer

Point Source Pollution

Answer

Eutrophication

Answer

Non-point Source Pollution

Answer

Flocculation

Question 22

Pollution that is carried by rainfall across land into nearby rivers and streams

Accepted Answer

Non-point Source Pollution

Answer

Air Pollution

Answer

Point Source Pollution

Answer

Marine Pollution

Question 23

Mixing alum or lime into water to make it clump together

Accepted Answer

Coagulation

Answer

Filtration

Answer

Sedimentation

Answer

Disinfection

Question 24

The process of allowing particles to fall to the bottom or float to the top of water during the treatment process.

Accepted Answer

Sedimentation

Answer

Coagulation

Answer

Flocculation

Answer

Filtration

Question 25

When water is sent through a layer of sand in order to pull other contaminants from the water.

Accepted Answer

Filtration

Answer

Disinfection

Answer

Flocculation

Answer

Sedimentation

Question 26

The process of killing harmful bacteria by adding chlorine or other chemicals to the water.

Accepted Answer

Disinfection

Answer

Coagulation

Answer

Sedimentation

Answer

Filtration

Question 27

Rainbow trout are found in mountain streams and are sensitive to changes in their habitat.  Which would be the best description for the use rainbow trout in water quality testing?

Accepted Answer

biological indicator

Answer

invasive species

Answer

nitrates

Question 28

What is the EPA?

Accepted Answer

Environmental Protection Agency

Answer

Environmental Potable Agency

Answer

Energy Protection Agency

Answer

Energy Potable Agency

Question 29

What does the EPA do?

Accepted Answer

Establishes standards at which pollutants/other indicators are considered harmful

Answer

Establishes standards that allow for illegal dumping of pollutants into water supplies

Answer

Establishes standards at which bio-indicators are made illegal

Answer

Establishes no standards at all

Question 30

What does chlorination do to the water?

Accepted Answer

Removes microorganisms

Answer

Cleans the water

Answer

Makes the water taste nice

Answer

Removes twigs and sediment

Question 31

What is the first step of preliminary wastewater treatment, which removes large items such as plastic wrappers and sticks?

Accepted Answer

screening

Answer

sedimentation

Answer

aeration

Answer

disinfection

Question 32

Which human activity has the most negative impact on water quality?

Accepted Answer

agriculture

Answer

flushing toilets

Answer

washing clothes

Answer

recreational boating

Question 33

Which of the following is a reason why wetlands are important?

Accepted Answer

It acts as a filtering system

Answer

It's a place where birds die

Answer

It lets water pass through

Question 34

What is one way we cause pollution?

Accepted Answer

Pesticides from farms runoff into water

Answer

Recycling center

Answer

seedlings

Question 35

Which of these ways to wash the car saves the most water?

Accepted Answer

Take it through a car wash that recycles water

Answer

Wash it in the driveway with the garden hose

Answer

Drive it into the lake

Answer

Make your little brother wash it

Question 36

True or False: It isn't important to save water because there is so much of it on Earth

Accepted Answer

False

Answer

True

Question 37

Stuck helping mom or dad wash the dishes? Which may use less water?

Accepted Answer

Washing dishes in a fully loaded dishwasher

Answer

Washing dishes under a running tap

Question 38

Keeping the water running when you brush your teeth wastes a lot of water.

Accepted Answer

True

Answer

False

Question 39

Which of the following uses less water?

Accepted Answer

Taking a 5 minute shower

Answer

Taking a bath

Question 40

Which of the following is not a natural cause of water pollution?

Accepted Answer

Oil spills

Answer

Volcanoes

Answer

Animal waste

Answer

Silt from storms and floods

Question 41

What type of pollution is produced by farm animals?

Accepted Answer

animal waste

Answer

sewage

Answer

pesticides and herbicides

Answer

factories

Question 42

What is a sewage system?

Accepted Answer

A system that collects and treats waste water from a city/town

Answer

A system that lets pollutants out and traps clean water

Answer

A system that allows pollutants to "run free" in ground water

Answer

A system that only treats waste water in major cities

Question 43

Who is MOST LIKELY to use a sewage system?

Accepted Answer

Urban areas

Answer

Third world countries

Answer

Monarchies

Answer

Dictatorships

Question 44

How does a sewage system transport waste water?

Accepted Answer

Sewage pipes carry waste water from homes/businesses to a water treatment plant

Answer

Sewage pipes carry waste water from water treatment plants to homes/businesses

Question 45

What is the first step in treating waste water?

Accepted Answer

Wastewater is strained to remove large objects

Answer

Chlorine is added to kill bacteria

Answer

Sludge is removed to decompose into another tank

Answer

Chemicals clean the water and remove extra chlorine

Question 46

What is the last step in treating waste water?

Accepted Answer

Water is stored until distribution

Answer

Chlorine is added to kill bacteria

Answer

Wastewater is strained to remove large objects

Answer

Sludge is removed to decompose into another tank

Question 47

Which of the following IS NOT a step when treating waste water?

Accepted Answer

Nitrates are added to each step to kill bacteria

Answer

Extra oxygen is added to water

Answer

Sludge is removed to decompose into another tank

Answer

Water is pumped into a tank until the heaviest sludge sinks to the bottom

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