Fresh Water and Salt Water
What percentage of Earth's water is fresh water?
3%
This e.coli outbreak was a result of a contaminant of the drinking water supply in...
Walkerton, Ontario- E.coli outbreak
Increasing the temperature of water by artificial means.
What is thermal pollution?
The highest part of North America
The Continental Divides
What gas is produced during the solids processing stage? What can this gas be used for?
Methane gas. Used to produce electricity or to heat the plant.
What makes desalination expensive?
Desalination technologies such as thermal energy are expensive to use.
Salt, Minerals, Nutrients, Toxic Chemicals, Acid and Heavy Metals are all examples of this type of contaminant found in freshwater.
Chemical Contaminant
Sediment (bits of solid matter) make water cloudy.
Describe where Canada's surface water.
80% flows north to the Arctic Ocean, northeast to Hudson Bay. Some flows west to the Pacific and a small amount flows toward the Great Lakes- St. Lawrence river region.
In this treatment of the sewage treatment process, wastewater passes through a bar screen which removes objects such as sticks, rocks and grabage.
Preliminary treatment
A measure of the amount of salt dissolved in water.
What is Salinity?
Micro-organisms and Organic Matter are all examples of this type of contaminant found in freshwater.
Biological contaminant
At which level can fish NOT reproduce?
In Acidic Water, PH below 7.
Give an example of how a small watershed can lie within a larger one.
The Grandriver watershed flows into Lake Erie. The Grandriver watershed is a part of the Great Lakes Basin.
A series of underground pipes that carries used water.
A sewer system
Why can swimmers float so easily in the Dead Sea?
Salt water is so dense, allowing swimmers to float. Salt water is much more dense then fresh water.
Fertilizers are an example of this type of contaminant found in freshwater.
Nutrients from chemical contaminants.
Water is basic if it's PH is...
above 7
True or False: The Volume of water can be affected if rivers are dammed.
True
Water from bathing, washing machines and sinks is called..
The process that removes salt from water, producing pure water and solid salt.
What is desalination?
Farm sewage is a source of organic matter in what type of contaminant in freshwater?
Biological contaminant
How do nitrates enter a water source?
From fertilizers runoff from fields, golf courses and gardens.
What is one of the jobs of the Conservation Authorities
They teach young people on how to protect watersheds
Rainwater and snowmelt that runs off roofs, paths and roads is called..
Stormwater runoff