water test review. what percent of our planet is water?
TRANSCRIPT
WATER
TEST REVIEW
What percent of our planet is water?
70%
What percent of the Earth’s water is fresh water?
3%
Where is most of the earth’s fresh water located?
Icebergs and glaciers
What is the number one use of water in our
homes?
Flushing toilets!
Why do scientists study
macroinvertebrates in water?
They can indicate the health of a stream
How many children die of diarrhea every
year?
1.5 million
How many gallons of water does the
average American use every day?
100 gallons
What is the largest watershed in the US?
The Mississippi River
Name the 2 main uses of water in the
US
Agriculture and industry
Where do most cities get their water?
From rivers and lakes
DEFINITIONSJeopardy sytle
A reservoir
What is an artificial lake created by a dam?
Water found in lakes, rivers and streams
What is surface water?
Process by which nutrients increase in a
lake, while oxygen levels decrease.
What is eutrophication?
An underground rock formation that
holds water
What is an aquifer?
highway construction, storm-water run-off
from streets, pesticides from yards and farms
What are examples of nonpoint pollution?
Process by which increasing amounts of toxins are stored in the bodies of organisms as toxins move up a food
chain
What is biological magnification?In order for a pollutant to biomagnify, the
following conditions must be met: The pollutant must be long-lived. The pollutant must be concentrated by the
producers. The pollutant must be fat-soluble
An area of land that is drained by a river.
What is a watershed? What is the largest watershed in the US?
The Mississippi River
An aquifer cannot recharge
What happens when too much water is removed from an aquifer?
This is what is happening to the Ogallala Aquifer in the midwest
Water is too warm for fish to tolerate and oxygen
levels decrease
What are some effects of thermal pollution?
Why was the Clean Water Act passed in
1972?
To protect water quality of surface and
ground water
List 2 facts about the Dead Zone in the Gulf
of Mexico.
Is an area of eutrophication Has few fish Is created by nitrates and phosphates from
agriculture flowing into the Mississippi River
How many different types of
water pollution can you name?
Phosphates Nitrates Heavy metals like mercury, lead, cadmium and Litter Pathogens Organic matter like plants, animals and feces Sedimentation Pesticides Thermal pollution pH from mines or acid rain (alkaline or acidic
water) Habitat modification
What waterborne disease is
affecting the population in
Haiti?
Cholera Cholera is an infection of the small intestine caused by the
bacterium Vibrio cholerae. The main symptoms are profuse watery diarrhea, vomiting and abdominal pain. Transmission is primarily through contaminated drinking
water or food. The primary symptoms of cholera are profuse diarrhea,
severe dehydration, abdominal pain, and fever. An untreated cholera patient may produce around 10 liters of
diarrheal fluid a day. As of Jan. 24th, the number of cholera cases in Haiti totalled
209,034 with over 4,000 deaths.
Why are swimming pools associated with so many
diseases?
So many people are concentrated in a small area
Lots of diaper and toddler-aged children Communal bathing
Give 3 advantages of a dam.
Can provide: hydroelectric power- clean energy Recreation areas Jobs Flood prevention Irrigation water for farmers Drinking water
Name 3 disadvantages of dams
Loss of jobs Fish species can die out because the water
flow is altered People may lose their homes and land Siltation Destruction of cultural sites Loss of water due to evaporation
Name as many waterborne diseases as you can
Cholera Typhoid Giardia E. coli Legionaire’s disease- Legionnaires' disease is a
type of pneumonia caused by bacteria. You usually get it by breathing in mist from water that contains the bacteria. The mist may come from hot tubs, showers or air-conditioning units for large buildings.
Cryptosporidiosis Amebiases Salmonellosis Shigella Hepatitis A- 3rd most common in US (inflammation
of the liver)
In July, 1976, at the Bellevue Stratford Hotel in Philadelphia, more than 4000 World War II Legionnaires, along with their families and friends, assembled to participate in the 58th American Legion's convention, about 600 of whom stayed at the hotel where the convention was hosted.
Reports of a strange illness began pouring in to the Pennsylvania (USA) Department of Health in late July 1976. By August 2, the department realized that all of the reports involved persons who had attended the American Legion's convention . Illness struck 221 persons in all, 72 of whom did not attend the convention but were in or near the hotel over the same period. 34 died.
Legionnaires’ disease is not rare. The Centers for Disease Control and Prevention (CDC), Atlanta, has estimated that the disease infects 10,000 to 15,000 persons annually in the United States, but others have estimated as many as 100,000 annual cases.
What river in Ohio caught on fire?
The Cuyahoga River near Cleveland, Ohio in the
1880s – 1960s.
List 3 example of point source pollution
Septic tanks, storage lagoons for polluted waste
Landfills Underground storage tanks containing
pollutants such as gasoline.
A pollutant associated with detergents, fertilizers and residential wastewater is _____.
Phosphates
A pollutant associated with plant residue, sewage and fertilizers is _____.
Nitrates