Chapter 12 Freshwater Resources

Section 1

100

Name three resources of drinking water in the United States

lakes, rivers, reservoirs 

200

Most people in the rural areas get their drinking water from where

aquifers 

300

What does the coliform count measure in the water

the number of disease causing organisms 

400

For water to be more acidic which way will the pH level go?

Down 6-0

500

List the correct steps in the water treatment process and what happens in each step

filtration 

coagulation 

second filtration 

chlorination 

Section 2

100

TRUE OR FALSE

Water is considered to be renewable source

TRUE

200

When does a water shortage occur?

too little water, too high of a demand, of both

300

What is a drought

 scarce rainfall for a few years

400

What are three ways of conserving water in the industry 

reuse, recycle, reduced water use

500

After the water has been treated, what is the correct sequence of how it is distributed to homes

central station, water mains, small pipes, homes 

Section 3

100

Boiling, evaporation, and condensation is the correct sequence of what process

distillation 

200

The process of obtaining freshwater from salt water is called what

desalination 

300

We can pin point the origin of what is causing the water pollution it is called what

point source

400

What is a non point source

where we cannot pin point the source of origin for causing water pollution 

500

Name advantages of using hydroelectric power

it is clean, safe, efficient 

Section 4

100

What is the underground tank that contains bacteria to treat wastewater that most households have

septic tank

200

What is sewage 

wastewater and the different kinds of wastes that it contains 

300

Besides supplying power electricity, dams could be used for what

a) control floods, b) provide more water, c) provide less water, d) make the are flood

A) control floods

400

What are the three types of industrial wastes

chemicals, heated water, smoke

500

What is water pollution?

any substances added to water that can be harmful to the water or living things that use/need the water

All Sections

100

What is sludge

deposits of fine solids that settle out from the wastewater

200

What are the names of Mrs. Shane's two dogs

Gracie and Stella

300

Name three ways to conserve water

take shorter showers, store water in bottles/jugs in fridge, water the lawn every other day compared to daily, etc....

400

List three pollutants that are found in runoff from roads

oil, gasoline, salt

500

List the four major sources of water pollution 

human waste, chemical, industrial waste, runoff from roads