Question 1
What is a horst?
An uplifted block bounded by two normal faults
A down-dropped block bounded by two reverse faults
An uplifted block bounded by two reverse faults
A down-dropped block bounded by two normal faults
Question 2
Which of the following statements is TRUE?
P waves travel through solids, but S waves do not.
P and S waves travel through liquids, but P waves do not travel through solids.
S waves travel through solids only, and P waves travel through liquids and solids.
P and S waves travel through liquids, but S waves do not travel through solids.
Question 3
When an earthquake occurs, energy radiates in all directions from its source. The source is often referred to as the:
inertial point.
epicenter.
focus.
seismic zone.
Question 4
The continental drift hypothesis was initially rejected primarily because Alfred Wegener could not:
find geologic similarities on different continents.
disprove competing theories that were more accepted by scientists.
identify a mechanism capable of moving continents.
afford to publish his ideas.
Question 5
What type of geological event has generated many mountain belts such as the Alps, Urals, and Appalachians?
Deformation
Tensional stress
Folds
Continental collisions
Question 6
At deep ocean ridges, sediments are:
almost entirely absent.
very thick.
very old.
mostly limestone.
Question 7
Fault boundaries occur when __________ plates slide past one another horizontally.
transform
convergent
divergent
colliding
Question 8
Cooler, older, oceanic lithosphere sinks into the mantle at:
subduction zones along convergent plate boundaries.
transform fault zones along divergent plate boundaries.
rift zones along mid-ocean ridges.
sites of long-lived, hot spot volcanism in the ocean basins.
Question 9
The former super-continent that is thought to have existed more than 200 million years ago is called a:
Pandomonia.
Gondwanaland.
Laurasia.
Pangaea.
Question 10
The Black Hills of South Dakota are a good example of:
an anticline.
a syncline.
a basin.
a dome.
Question 11
At one time it was thought that the deep-ocean trenches at subduction zones would be a good place for disposal of high-level radioactive waste. Why is this not a good idea? Explain what can happen at a subduction zone and what might occur if the waste were buried there.
Question 12
How does the plate tectonics theory help explain the existence of fossilized marine life in rocks atop the Ural Mountains? Be sure to include a description of the specific process(es).