WorksheetsWatersheds and Ecoregions
Total questions: 20
Worksheet time: 27mins
Name
Class
Date
1.
Which ecoregions receive the most precipitation?
a)
Region 4 Gulf Coast Prairies and Marshes
b)
Region 7 Edwards Plateau
c)
Region 10 High Plains
d)
Region 11 Trans Peco
2.
Which ecoregion of Texas is most likely to be most affected by wind erosion creating sand dunes and does receive rain, it can lead to flash floods, which can weather and erode the rocks and sediment.
a)
Region 4 Gulf Coast Prairies and Marshes
b)
Region 7 Edwards Plateau
c)
Region 10 High Plans
d)
Region 11 Trans Peco
3.
Which ecoregion has a presence of plants and trees helps to prevent soil erosion during rainfall events?
a)
Region 1 Piney Woods
b)
Region 4 Gulf Coast Prairies and Marshes
c)
Region 7 Edwards Plateau
d)
Region 10 High Plans
4.
Which ecoregion have large amounts of limestone rock formations, which are vulnerable to chemical weathering, which has led to the formation of a large cave system underground?
a)
Ecoregion 1 Piney Woods
b)
Ecoregion 4 Gulf Coast Prairies and Marshes
c)
Ecoregion 7 Edwards Plateau
d)
Ecoregion 11 High Plans
5.
The map above shows a meandering river. Points A and B are located on (outside) the banks of the river.
What are the dominant processes occurring at locations A and B?
What are the dominant processes occurring at locations A and B?
a)
Deposition at location A; Erosion at the location B
b)
Erosion at location A; Deposition at location B
c)
Deposition at both locations A and B
d)
Erosion at both locations A and B
6.
The illustration above describe which landform that forms from a deposition of sediment carried by a river as the river enters an ocean, sea, estuary, lake, and reservoir?
a)
Beach
b)
Delta
c)
Canyon
d)
Alluvial fans
7.
The landform is above is an example of a(n)
a)
Beach (a pebbly or sandy shore)
b)
Delta (deposition of sediment into slow-moving or standing water)
c)
Canyon ( stream or river flowing through a deep valley with steep sides)
d)
Alluvial fan (deposition of sediment created by flowing water through mountains, hills, or canyons)
8.
Chemical pesticides are sometimes sprayed on crops to kill insects that eat the crops.
Which might be a concern about using pesticides in aquifers?
Which might be a concern about using pesticides in aquifers?
a)
grow food and clean groundwater
b)
keep food fresh and filter water
c)
cause runoff that pollutes creeks and rivers
d)
kill insects and improve the growth of crops
9.
The arrows are pointing to which feature of the river?
a)
deltas
b)
floodplain
c)
meanders
d)
tributaries
10.
Why is water from an aquifer more likely to be cleaner than water from other sources?
a)
because it forms where fresh and salt water meet
b)
because it receives water directly from precipitation
c)
because it rises to the surface near the ocean
d)
because pollutants are filtered by rock and soil deep within Earth
11.
Animal wastes contain bacteria that make organisms sick. These wastes are often washed in water supplies by storms.
How might a pet owner prevent these bacteria from polluting water supplies?
How might a pet owner prevent these bacteria from polluting water supplies?
a)
Brush the pet daily to remove bacteria
b)
Feed pets food that produces less waste
c)
Bag the pet waste and throw it the trash
d)
Wash the pet with shampoo to kill the bacteria
12.
Which are examples of non-point pollution?
a)
Oil, grease and toxic chemicals from urban runoff
Oil, grease and toxic chemicals from urban runoff
b)
Sediment from improperly managed construction sites, crop and forest lands,
c)
Bacteria and nutrients from livestock and pet waste
d)
All the above
13.
Based on the above diagram, which type of pollution has the greatest effect on groundwater?
a)
Self-pollination
b)
Insect pollination
c)
Wind pollution
d)
Human pollution
14.
Stream table containing sand is forming
a)
weathering, erosion and deposition of sand/sediment to form a delta
b)
weathering, erosion and deposition of sand/sediment to form a mountain
c)
weathering, erosion, and deposition of sand/sediment to form canyon
d)
weathering, erosion, and deposition of sand/sediment to form plateau
15.
Which human activity will most likely increase the amount of soil erosion?
a)
growing crops
b)
planting flowers
c)
mowing the grass
d)
clear-cutting trees/vegetation
16.
Which is most important for a community to consider if it decides to add more businesses, homes, and schools to the area?
a)
the local weather condition
b)
the local bird population
c)
the local water supply
d)
local school system
17.
Which describes a nonpoint source of pollution?
a)
accumulation of oil in a stream next to a gasoline station
b)
chemical spill in a river next to a manufacturing complex
c)
runoff from a road into a nearby stream
d)
liquid fertilizer flowing from a barrel into a stream
18.
How can a city help prevent water pollution in nearby lakes and rivers?
a)
Remove weeds growing near the lakes and rivers.
b)
Prevent runoff of waste materials into lakes and rivers.
c)
Use solar cells as a source of energy.
d)
Recycle paper and cardboard.
19.
What is a major cause of acid rain pollution?
a)
the use of fertilizers
b)
the spraying of pesticides
c)
the burning of fossil fuels
d)
the decaying of dead plants and animals
20.
Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and pollution the air.
Which of the following landforms are created by wind erosion?
Which of the following landforms are created by wind erosion?
a)
arches and faults
b)
sand dunes and arches
c)
meanders and moraines
d)
moraines and sand dune
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