TEST NAME: Hydrology Warm Up 1
TEST ID: 176668
GRADE: 08
SUBJECT: Life and Physical Sciences
TEST CATEGORY: My Classroom
Hydrology Warm Up 1
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05/05/14, Hydrology Warm Up 1
Student: Class:
Date:
1.
Which best describes the importance of an aquifer?
A.
It holds uncontaminated ground water for human consumption.
B.
It supplies all water for lakes and rivers.
C.
It provides water for oceans.
2.
Which man­made problems are indicated by decreasing water levels?
A.
too few farms and farm animals
B.
rising water and soil pollution levels
C.
diversion of rainfall and river water to treatment plants
D.
water overuse by cities and wasteful irrigation methods
3.
Why might countries bordering the Pacific ocean have problems getting
enough water to meet the needs of their citizens?
A.
The water is too cold to use.
B.
Removing salt from the water is too expensive and impractical.
C.
There are more people in the countries than the water can nourish. 4.
Which technique uses sound waves to measure the depth of the ocean
floor?
A.
global positioning system
B.
radar
C.
sonar
Hydrology Warm Up 1
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5.
The diagram indicates how carbon is transferred and stored in various
reservoirs.
Where ocean water is warmer, dissolved carbon dioxide is released back
into the atmosphere. In which part of the ocean does this most likely
occur?
A.
at the surface
B.
200 m below the surface
C.
1,000 m below the surface
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6.
Which best describes the water distribution in an estuary? A.
The saltwater is closer to the surface than the freshwater.
B.
The freshwater is closer to the surface than the saltwater.
C.
The saltwater is found closer to the bank, and the freshwater is
found closer to the center.
D.
The freshwater is found closer to the bank, and the saltwater is
found closer to the center.
7.
Most of the oxygen in Earth’s atmosphere is produced in the top six
inches of the oceans. Which best explains this?
A.
Oxygen is produced as a by­product as fish breathe through their
gills.
B.
Oxygen is produced by seawater, which evaporates into pure oxygen
and hydrogen.
C.
Oxygen is produced by deepwater plants and is then moved to the
surface of the ocean.
D.
Oxygen is produced by photosynthetic microorganisms that live near
the surface of the ocean.
8.
A new golf course is built next to a river. Over the past several months,
the nitrate levels of the water in the river have been increasing. Which
best explains the cause of the increasing nitrate levels?
A.
increased growth of algae
B.
decreased biodiversity
C.
runoff from fertilizer
9.
Which substance will most likely cause a decrease in pH if it is leaked
into a North Carolina waterway by a local industry?
A.
soap
B.
bleach
C.
drain cleaner
D.
hydrochloric acid
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10.
Which best explains why all communities do not use tertiary water
treatment, though this treatment removes almost 100% of waste in the
water?
A.
The water would not taste as good.
B.
It would put water bottling companies out of business.
C.
The cost of the procedure is too high for most communities.
D.
The tertiary treatment plants require too much valuable land space.
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