Section 1
Name three resources of drinking water in the United States
Water is considered to be renewable source
TRUE
Boiling, evaporation, and condensation is the correct sequence of what process
distillation
What is the underground tank that contains bacteria to treat wastewater that most households have
septic tank
What is sludge
deposits of fine solids that settle out from the wastewater
Most people in the rural areas get their drinking water from where
aquifers
When does a water shortage occur?
too little water, too high of a demand, of both
The process of obtaining freshwater from salt water is called what
desalination
What is sewage
wastewater and the different kinds of wastes that it contains
What are the names of Mrs. Shane's two dogs
What does the coliform count measure in the water
the number of disease causing organisms
What is a drought
scarce rainfall for a few years
We can pin point the origin of what is causing the water pollution it is called what
point source
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
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....
Down 6-0
What are three ways of conserving water in the industry
What is a non point source
where we cannot pin point the source of origin for causing water pollution
What are the three types of industrial wastes
chemicals, heated water, smoke
List three pollutants that are found in runoff from roads
oil, gasoline, salt
List the correct steps in the water treatment process and what happens in each step
filtration
coagulation
second filtration
chlorination
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
Name advantages of using hydroelectric power
it is clean, safe, efficient
What is water pollution?
any substances added to water that can be harmful to the water or living things that use/need the water
List the four major sources of water pollution
human waste, chemical, industrial waste, runoff from roads