SCIN 138 SCIN138 Final Exam 2 (APUS)

SCIN 138 SCIN138 Final Exam 2 (APUS)

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SCIN 138 Final Exam (APUS)

Question 1 of 50
2.0/ 2.0 Points
In general, feldspars chemically weather to clay. What happens when a rock predominately made of calcite (limestone, for example) weathers?

Question 2 of 50
2.0/ 2.0 Points
geologic formationGeologic folding where large areas of the crust are warped upwards, create formations such as the figure below, known as ____________.

Question 3 of 50
2.0/ 2.0 Points
Slaty cleavage, such as that exhibited in the figure of slate below, has developed as a result of ___________ metamorphism. 

Question 4 of 50
0.0/ 2.0 Points
Choose the correct list of the four principal fossil fuels.

Question 5 of 50
2.0/ 2.0 Points
Which from the list below is a trace fossil?

Question 6 of 50
2.0/ 2.0 Points
If you know the half-life of a radioactive isotope that occurs in an igneous rock, what must you measure to determine the age of the rock?

Question 7 of 50
2.0/ 2.0 Points
What is a positive feedback cycle in a system?

Question 8 of 50
2.0/ 2.0 Points
The separation of the interiors of the terrestrial planets by chemical composition is called ________.

Question 9 of 50
2.0/ 2.0 Points
deformed rockWhen rocks are subjected to stresses beyond their elastic limit they can permanently deform, such as those in the figure below. This is known as ____________.

Question 10 of 50
2.0/ 2.0 Points
Chemical weathering would be most analogous to which process?

Question 11 of 50
2.0/ 2.0 Points
Which is not a likely way that lithification occurs?

Question 12 of 50
2.0/ 2.0 Points
If you are drilling a water well for your new home and don’t want to install a pump to lift the water to the surface, you would drill into and finish your well to produce from

Question 13 of 50
2.0/ 2.0 Points
The Ediacaran Period of geologic time is important because

Question 14 of 50
2.0/ 2.0 Points
Rank these chemical substances in size from largest to smallest.

Question 15 of 50
2.0/ 2.0 Points
For the figure below, a possible explanation for the stratigraphy at site 3, in which unit E sits directly on top of C is 

Question 16 of 50
2.0/ 2.0 Points
A collection of _____ elements make more than 99% of Earth’s crust by weight?

Question 17 of 50
2.0/ 2.0 Points
You are on a camping trip and want to do some trout fishing in a flowing mountain stream. You want to camp on a level sandy area next to the water. So ideally you set up your tent on

Question 18 of 50
2.0/ 2.0 Points
Low-grade metamorphism of basalt, while water is present in the pore space, produces a beautiful green, chlorite-filled rock with pronounced foliation known as ___________.

Question 19 of 50
2.0/ 2.0 Points
Mass extinctions in geologic history are attributed to many possible causes. What from the list below is a proposed cause?

Question 20 of 50
2.0/ 2.0 Points
Choose the INCORRECT statement regarding melting and molten rock.

Question 21 of 50
2.0/ 2.0 Points
The earliest skeletal animals were arthropods in the Cambrian Period. From the list below, identify which is NOT an arthropod.

Question 22 of 50
2.0/ 2.0 Points
You are drilling a water well and want the highest water flow rate possible. Thus, the best aquifer for producing water would have

Question 23 of 50
2.0/ 2.0 Points
Divergent margins only occur between ocean plates (i.e., mid-ocean ridges), and thus rifting never occurs within continental crust.

Question 24 of 50
2.0/ 2.0 Points
Diamonds are incorporated in solidified magma called _______ that originates deep within Earth.

Question 25 of 50
2.0/ 2.0 Points
Differential stresses during rock metamorphism cause a distinctive alignment of minerals, such as in the granitic gneiss in the figure, which is known as _____________. 

2.0/ 2.0 Points
Identify this very common mystery mineral, which is almost always present in light colored rocks and sandstones: hardness of 7, no cleavage, exhibits conchoidal fracture, glassy luster.

Question 27 of 50
2.0/ 2.0 Points
It is considered a “Millionaire's folly” to build a house on a sea-cliff. What kind of coastline creates this kind of danger?

Question 28 of 50
0.0/ 2.0 Points
To produce water, the drill stem in a shallow water table well must enter the

Question 29 of 50
2.0/ 2.0 Points
In what fundamental way is the process of metamorphism different from that of diagenesis and lithification?

Question 30 of 50
2.0/ 2.0 Points
Identify this very common mystery mineral found in many igneous and metamorphic rocks: hardness of 5.5, two cleavage directions (intersecting at 60 and 120 degrees), nonmetallic luster, specific gravity = 3.3, and dark green to black color.

Question 31 of 50
0.0/ 2.0 Points
You are a geologist assigned to interpret the formation and history of a site. Upon investigation, you report that this site was subjected to large fluctuations in water velocity and energy. Which clue provided you with evidence for your interpretation?

Question 32 of 50
2.0/ 2.0 Points
You come across a sedimentary deposit containing mostly fine sand and dust with little organic evidence. Cross bedding is evident. You determine the sedimentary environment to be:

Question 33 of 50
2.0/ 2.0 Points
In which of these specific areas would you expect a speleologist to conduct their research?

Question 34 of 50
2.0/ 2.0 Points
What change would not increase the albedo of earth?

Question 35 of 50
2.0/ 2.0 Points
Sedimentary rocks often preserve clues about the environment in which the sediment was deposited. Which of these answers would best do that?

Question 36 of 50
2.0/ 2.0 Points
Objects in our solar system that are revolving around the Sun are held in orbit by ___________.

Question 37 of 50
0.0/ 2.0 Points
Why is ocean water layered into zones?

Question 38 of 50
2.0/ 2.0 Points
The Richter scale is logarithmic, which means that each unit increase on the scale corresponds to a 2-fold increase in the amplitude of the wave signal.

Question 39 of 50
2.0/ 2.0 Points
Choose the pair of volcanic concepts or term that is INCORRECTLY matched.

Question 40 of 50
0.0/ 2.0 Points
In your work as a field geologist for the West Virginia Geological Survey you are currently mapping the Morgantown Quadrangle. The best place to gather geologic information for this task is ___________.

Question 41 of 50
2.0/ 2.0 Points
As shown in this figure, subtropical deserts are found along regions of _____. 

Question 42 of 50
2.0/ 2.0 Points
The component of crude oil that contains the most carbon atoms per molecule is

Question 43 of 50
2.0/ 2.0 Points
Solution weathering is most commonly associated with which rock type?

Question 44 of 50
2.0/ 2.0 Points
Which of these mineral families is associated with the shells of small marine organisms?

Question 45 of 50
2.0/ 2.0 Points
Which of the following is NOT characteristic of rocks undergoing rapid weathering?

Question 46 of 50
2.0/ 2.0 Points
What would happen if the melting of Greenland’s ice sheet cut off the “ocean conveyer belt” in the Atlantic? How might that affect our current climate?

Question 47 of 50
2.0/ 2.0 Points
Which of the following evidence did Wegener use to support his hypothesis?

Question 48 of 50
2.0/ 2.0 Points
Depending on pressure, glacial ice exhibits two forms of behavior:

Question 49 of 50
2.0/ 2.0 Points
Which of these minerals is not a silicate?

Question 50 of 50
2.0/ 2.0 Points
Which of the following is a product of glacial deposition?


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