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Texas Ecoregions

Total questions: 40

Worksheet time: 33mins

Name
Class
Date
1.

What Catastrophic Event in the panhandle plains causes the most wind erosion?

a)

Hurricanes

b)

Tornadoes

c)

Flooding

d)

Humans

2.

What catastrophic event causes the most most water erosion in the gulf coast?

a)

Hurricanes

b)

Tornadoes

c)

Flash Floods

d)

Earthquakes

3.

Biological weathering is done by . . .

a)

Wind

b)

Water

c)

Living Things

d)

Ice

4.
The following is a picture of which ecoregion?  ___________
a)
Piney Woods
b)
High Plains
c)
Hill Country/Edwards Plateau
d)
Trans Pecos/Chihuahuan Desert
5.
This is a picture of the __________ ecoregion
a)
Hill country/Edwards Plateau
b)

Trans Pecos/Chihuahuan Desert
Trans Pecos/Cg

hihuahuan Desert

c)
High Plains
d)
Piney Woods
6.
This is a picture of the __________ ecoregion of Texas.
a)
High Plains
b)
Gulf Coast Plains and Marshes
c)
Piney Woods
d)
Hill Country
7.
Rain washing away soil from a hillside
a)
Weathering
b)
Erosion
c)
Deposition
8.
Flood water pounding against a canyon wall and wearing it down
a)
Weathering
b)
Erosion
c)
Deposition
9.
Waves dropping sand on the beach
a)
Weathering 
b)
Erosion
c)
Deposition
10.
Muddy water being carried away by a fast-moving river
a)
Weathering
b)
Erosion
c)
Deposition 
11.
Why would there be less erosion in this ecoregion of Texas?
a)
not enough rain
b)
Tree and plant roots holds onto the soil
12.
At the beach which agent of erosion affects the coast?
a)
Wind
b)
Water
c)
Animals
d)
Gravity
13.
What agent of erosion works to change the way this land looks in this ecoregion?
a)
wind
b)
water
c)
ice/glaciers
d)
gravity
14.
Deltas forming at the mouths of rivers is called?
a)
Weathering
b)
Erosion
c)
Deposition
15.

Includes marshes and swamps, high humidity and warm temperatures. waves cause mechanical weathering. sand dunes, sand bars.

a)

Texas Gulf Coast

b)

High Plains

16.

Mostly short grass, dry and very windy. high elevation, Palo Duro Canyon.

a)

Texas Gulf Coast

b)

High Plains

17.

Gently rolling land, cut by streams and covered by thorny brush. Also known as "Brush Country"

a)

South Texas Plains

b)

Prairie

18.

Includes many types of grasses that prevent erosion. Many parks and lakes, land is gently rolling to hilly

a)

Prairie

b)

Piney Woods

19.

Little erosion due to nutrient rich soil and lots of vegetation.

Trees are the main plant life, lumber industry

a)

Piney Woods

b)

Edward's Plateau

20.

Limestone hills, many streams and springs, shallow soil. Land forms include Enchanted rock

a)

Edward's Plateau

b)

Trans Pecos

21.

High wind erosion due to little vegetation, mountains and desert, little plant life, mostly clay soil

a)

Trans Pecos

b)

Edward's Plateau

22.
The Gulf Prairies and Marshes ecoregion experience significant soil erosion. One would expect the climate in this region to be –
a)
dry and hot.
b)
cold and snowy.
c)
wet and rainy.
d)
warm and humid.
23.
The Brazos River is the longest river in Texas, emptying into the Gulf of Mexico. What type of land formation would you expect to find where the river deposits sediments as it
reaches the Gulf?
a)
A cave
b)
A mountain
c)
A delta
d)
A valley
24.
In Galveston, the beaches are often exposed to hurricanes originating in the Gulf of Mexico. It is reasonable to predict that hurricane activity may...
a)
create new rivers near Galveston
b)
move sand from the beach to offshore sand bars
c)
cause local earthquakes after the storm
d)
create new river deltas along the beaches
25.
Layers of sediment forming at the bottom of the ocean floor
a)
Weathering
b)
Erosion
c)
Deposition
26.
What forms both valleys and canyons?
a)
glaciers
b)
rivers
c)
wind
d)
tides
27.
The students watch ocean waves crash on a beach. Which statement describes what will MOST likely happen because of the waves?
a)
Grass on the beach will grow longer.
b)
Sand from the beach will wash away.
c)
Salt from the ocean will be left on the beach.
d)
Currents in the ocean will become stronger.
28.
Which of the following would be the "most effective" action that humans could take to keep a barrier island from washing away?
a)
plant lots of trees, bushes, and grass on the island
b)
limit the number of people that can come onto the island
c)
build a bridge from the island to the mainland
d)
stop building houses and roads on the island
29.
In the Edwards Plateau, the limestone rocks are highly
vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?
a)
Canyons
b)
Lakes
c)
Rivers
d)
Caves
30.
The Blackland Prairie ecoregion of Texas has many exposed boulders that are smooth and rounded. What feature of this area caused the boulders to take on these characteristics?
a)
Moving glaciers
b)
Wind-blown sand and rain
c)
Wave and current actions
d)
Deep and rapid rivers
31.
The illustration provided shows exposed layers of
sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?
a)
Different types of rock weather at different rates when exposed.
b)
Wind speeds vary greatly over time in this region of Texas
c)
An ancient river deposited sediments at different rates over time.
d)
Glacier movement always creates uneven rock formations.
32.
Which of the following describes large areas of ground that fall or flow on slopes due to gravity?
a)
floods
b)
hurricanes
c)
landslides
d)
wildfires
33.
Where are hurricanes most likely to do the most damage?
a)
Near the coast
b)
In the forest
c)
In a desert
d)
On the North Pole
34.
What catastrophic event would be of greatest risk to a grassland?
a)
hurricane
b)
flood
c)
tsunami
d)
wildfire
35.
What catastrophic event results in destruction along a narrow path?
a)
a volcanic eruption
b)
a tsunami
c)
a hurricane
d)
a tornado
36.
What catastrophic event can be caused by thunderstorms?
a)
a wildfire
b)
a tsunami
c)
a volcanic eruption
d)
a drought
37.
Another name for a hurricane in the Indian Ocean
a)
Tornado
b)
Tsunami
c)
Typhoon
d)
Blizzard
38.
What is the major cause of weathering and erosion to form canyons?
a)
wind
b)
ice
c)
glaciers
d)
moving water
39.
The process of breaking up rocks on Earth's surface is called...
a)
sediment
b)
erosion
c)
weathering
d)
deposition 
40.
How does freezing water cause the weathering of rocks?  The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands in the cracks and breaks rocks
d)
causes rocks to fall in landslides

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