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WorksheetsHydropshere Review
Total questions: 13
Worksheet time: 39mins
What is Earth's largest source of drinkable water?
rivers
lakes
aquifers
oceans
The water cycle has no beginning or end, but it has an order. Which of the following are the MOST likely ways that water would move though the water cycle?
oceanto river to lake to atmospher
aquifer to ice cap to ocean to atmosphere
atmosphere to watershed to river to ocean
atmosphere to ocean to atmosphere to ocean
Which best describes the amount of Earth's total water supply that is usable freshwater?
greater than 75%
greater than 50%
less than 1%
less than 25%
The Environmental Protection Agency was assigned which task?
setting standards and governing the civil and commercial air transportation throughout America
setting standards and governing the use of national parks and monuments in the United States
setting standards and governing the cleanliness of water used by Americans
setting standards and governing the highways and interstates in the United States
Which aquatic environment would beneift the most from reduced runoff from lawns treated with fertilizers?
estuaries
rivers and lakes
estuaries and lakes
lakes
Cholera is a bacterial disease that is spread throughout a community by contaminated water. How can the spread of cholera be prevented?
by giving healthy people antiobiotics before they get sick
by using chlorine to treat sewage before it enters the water supply
by hand washing with contaminated water before food preparation
by using waste to fertilize fields instead of releasing it into the water supply
Which best explains a way of protecting water for human consumption
Reduce the use on lakes and rivers for irrigation of crops
improve water quality standards for industries located on lakes and rivers
Allow dumping of some waste into lakes and rivers
Ban the use of lakes and rivers for recreation
If a body of water has high turbidity levels, what can most likely be concluded
It is too hot to drink
It is unsafe to drink
it has a low pH
it contains a lot of chemicals
Which will occur if humans conntinue to overload water systems with excess nutrients?
photosynthesis
eutrophication
chemosynthesis
nitrification
Fish tank owners will often add ammonia to the tank to increase the nitrate levels. If too much ammonia is added, what might occur?
Algae growth will stop, and oxygen will not be produced
Algae growth will increase, causing oxygen levels to increase
Algae growth will increase, causing oxygen levels to decrease
Algae growth will decreas, causing oxygen levels to decrease
What factors can have the greatest effect on the health of a river system?
type of soil and salinity
nitrate levels and turbidity
natural disasters and tidal changes
human consumption and pH
Which best explains how nutrients, salt, sediment and pollutants get into estuaries and oceans?
from precipitation falling over the estuaries and oceans
from organisms living and dying in estuaries and oceans
from asteroids and comets impacting Earth at estuaries and oceans
from rivers and streams flowing into estuaries and oceans
What will most likely result if there is increased upweeling in a coastal area?
fewer nitrates
more aquatic life
higher water temperatures
less nutrients in the water
