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Watersheds
Test Description: 6.7
Instructions: Answer all questions to get your test result.
1) Which of the following is an abiotic (nonliving) factor?
A
squirrel
B
plant
C
fox
D
air quality
2) Which of the following is an abiotic factor?
A
grass
B
sunflower
C
oak tree
D
sunlight
3) Which of these do the three major watershed systems in VA not lead to?
A
Lake Michigan
B
Gulf of Mexico
C
Chesapeake Bay
D
North Carolina Sounds
4) As water flow in rivers and streams decreases in speed, what happens to the size of sediment it carries?
A
increases
B
decreases
5) The Chesapeake Bay is a(n)...
A
lake
B
pond
C
estuary
D
river
6) What mixes fresh water and salt water in the Chesapeake Bay?
A
weathering
B
sunlight
C
tides
D
sediment
7) Which is not a water quality monitoring parameter?
A
pH level
B
salinity
C
turbidity
D
habitat
8) T or F Wetlands provide food and shelter for wildlife and fish.
A
False
B
True
9) A(n) __________________ is made up of the biotic community and the nonliving factors that affect it.
A
river system
B
ecosystem
C
estuary
D
bay
10) Which word means living?
A
biotic
B
watershed
C
antibiotic
D
abiotic
11) Wide, flat border areas onto which water spills out at times of high flow are called...
A
flood plains
B
ridgelines
C
flood divides
D
sediment soils
12) The health of an ecosystem is directly related to water ______________.
A
turbidity
B
tributaries
C
geology
D
quality
13) What separates watersheds?
A
all of the above
B
ridgelines
C
divides
D
areas of higher elevations
14) What is the name of the largest estuary in the contiguous United States?
A
Chesapeake Bay
B
York River
C
Rappahannock River
D
Potomac River
15) Which state is not included as part of the Chesapeake Bay watershed?
A
California
B
Pennsylvania
C
Virginia
D
Maryland
16) Which is not an example of a wetland?
A
bog
B
river
C
marsh
D
swamp
17) What forms the transition zone between dry land and bodies of water?
A
tributary
B
wetland
C
estuary
D
watershed
18) A watershed is ______________ that water flows across or through.
A
an area of land
B
a stream
C
a wetland
D
a river
19) How many states are part of the Chesapeake Bay watershed?
A
5
B
6
C
7
D
2
20) Which water quality indicator involves the amount of dissolved salts in water?
A
salinity
B
turbidity
C
dissolved oxygen
D
saltinity
*select an answer for all questions
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