Contaminated water in the Flint River led to corrosion of water pipes that were made of ____________
What is lead?
100
This kind of surface does not absorb rainwater, which increases the amount of runoff.
What is impervious? (asphalt, concrete)
100
This describes a watershed.
What is an area of land whose waters drain into a certain body of water?
100
More plants and crops are grown in the spring and summer than the fall and the winter. When would more dead zones be likely to occur in lakes and rivers?
What is spring and summer? (Since more fertilizers would be used on the plants and crops)
200
This type of water is stored underground in the spaces between rocks and in the rock pores.
What is groundwater?
200
Pollutants results from waste water can include
What are sewage, feces, and industrial waste?
200
This type of water pollution spreads over a wide area and includes runoff from various sources; difficult to control
What is nonpoint source pollution?
200
This systems moves water across the land
What is a stream or river system; streams, brooks, rivers, etc.?
200
Nutrients (nitrates and phosphates) in fertilizers improve the growth of crops, plants... When they are dumped into the water they also enhance the growth of aquatic plants and algae in the water sometimes resulting in __________________
What is an algae bloom?
300
One of the technologies that conserves freshwater use is
What is
Water treatment plants?
Trickle irrigation system?
Low-flush toilets?
Maximum volume shower heads?
300
This metal is toxic in very small amounts and accumulates in organisms over time, especially those at the top of the food chain.
What is mercury?
300
They act as natural filters for pollutants as the waters pass through them.
What are wetlands (plants in the wetlands)?
300
This watershed is the largest in the United States, containing land from 30 states.
What is the Mississippi River watershed?
300
Like mercury, pesticides such as DDT are absorbed by each level of the food chain. This build-up of toxins at higher levels of the food chain is called ____________.
What is biomagnification?
400
Worldwide, this is the percentage of freshwater available for use.
What is 1%?
400
These are two sources of mercury that can contaminate rivers and lakes.
What are volcanic eruptions and cola-burning?
400
These two elements are the main ingredients in fertilizers.
What are nitrogen and phosphorus?
400
The reason that a factory downstream from a polluted pond would not be the source of the pollution.
What is the factory is not part of the watershed that drains into the pond because it is downstream and that is not the way that water flows.
400
When the algae die during an algae bloom, decomposing bacteria take dissolved oxygen from the waters. This kills more algae and aquatic life in the lake, river or gulf, resulting in
What is a dead zone?
500
This is the correct sequence that shows the amounts and distribution of Earth's total water supply (use fresh water, oceans, icecaps/glaciers) Include percentages.
What is oceans (97%), ice caps/glaciers (2%) , freshwater (1%)?
500
This is the major source of pollutants that causehypoxic zone at the delta of the Mississippi River.
What is fertilizer (nitrates and phosphates)? ... and its excessive use in the Mississippi River watershed
500
Examples of what you can do to keep storm water runoff cleaner.
What is clean up after pets, do not dump chemicals into storm drain, wash car in street, don't litter, be careful using lawn fertilizers, etc.?
500
"We all live upstream from somebody and we all live downstream from somebody."
What is being aware that each of us influences the quality of water for someone else. What we discharge into the water flows down to someone else's area. .
500
A low flush toilet saves .5 gallons of water per flush. If you and your family flush the toilet 10 times per day, how much water would you save in a week?