Unit 8 Test Question Preview (ID: 56376)
Erosion, Weathering, Deposition, Regions Of Texas And Watershed.
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At a quarry, soil was removed to get to the rock layers underneath. Which part of the environment was probably least affected by this soil being removed?
a) air
b) ground water
c) runoff water
d) plants
Texas has experienced several years of little or no rainfall. Because of this weather pattern, farmers and ranchers have had great economic hardships and large cities such as Dallas have had to create water rationing laws. What is this type of weathe
a) flood
b) drought
c) tornado
d) hurricane
The geotropism of plant roots cause rocks to break apart; this is an example of
a) erosion
b) chemical weathering
c) deposition
d) physical weathering
Wildebeest are cow-like animals with horns. They migrate in herds across Africa in search of the grasses they feed on. Wildebeests are prey for lions. What impact would a drought have on the wildebeest and lion populations.
a) Wildebeest and lion populations will both increase.
b) Wildebeest populations will increase while lion populations will decrease.
c) Wildebeest and lion populations will both decrease.
d) Wildebeest populations will decrease while lion populations will increase.
Plants serve a dual purpose in the erosion process. They anchor down soil which helps prevent erosion, but in contrast they can also cause erosion. Which of the following best describes a process by which they can cause erosion?
a) Plants can grow in the soil between rocks, loosening and cracking the material.
b) Roots can absorb water from the soil and transport it to the rest of the plant.
c) Plants and roots removed to clear land for construction or farming.
d) Soil picked up by the wind and carried as dust for several miles.
Hurricanes, floods, and tornadoes are usually considered catastrophic weather systems because of the damage they cause to homes, roads, buildings, and deaths or injuries to people, but these storms also cause changes to the ecosystems that they force
a) Alligators were displaced to areas closer to people's homes and businesses.
b) Migratory birds heading south to winter didn't have a resting place.
c) Cattle were stranded with no grass to graze upon.
d) All of the above.
Which of these natural disasters is most likely to happen with little or no warning?
a) Earthquakes
b) Tsunamis
c) Hurricanes
d) Tornadoes
To test water quality, you must take a measurement of the temperature of your sample. A student bumped into your beaker and knocked it over, breaking your thermometer. What is the best way to deal with this accident?
a) Brush glass into the sink
b) Use cardboard to sweep up glass
c) Pick up and dispose of glass in trash
d) Have teacher take care of broken glass
The Earth's surface is constantly changing. This is mainly due to the -
a) increased amount of decaying soil.
b) average yearly rainfall.
c) number of meteors in the night sky.
d) action of wind, water, ice and waves.
If a large volcano that is on an island erupts, it will impact the local ecosystem. Which of the following is NOT a way the volcano will affect the local ecosystem?
a) Lava will run down from the volcano, burning down all the trees around the volcano.
b) The lava from the volcano will heat up the air in the local area and kill all life in the area
c) When the volcano erupts, it will throw dust into the air affecting plants across the island.
d) The lava will run into the ocean around the island, killing coral reef animals.
Which ecoregion of Texas is most likely to be most affected by wind erosion?
a) East Texas Piney Woods
b) Rolling Plains
c) Blackland Prairies
d) Gulf Coast Prairies and Marshes
In spring 2003 a natural rock outcropping in New Hampshire called the Old Man of the Mountain collapsed. Which of the following most likely loosened the rock and caused it to fall?
a) Heat turning sedimentary rock into metamorphic rock
b) Water freezing and thawing inside cracks in the rock
c) Volcanic activity producing pressure at the rock’s base
d) Oxygen reacting with iron on the surface of the rock
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