Geog 102 - Physical Geography » Spring 2021 » Quiz 8

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Question #1
The hardness of a mineral is controlled by the arrangement and chemical bond between atoms.
A.   TRUE
B.   FALSE
Question #2
What is the significance of a mineral's streak?
A.   It determines it's hardness.
B.   Minerals that are the same color may have a different colored streak.
C.   Minerals must be broken down to look under a microscope.
Question #3
What describes how the light reflects off the surface of a mineral, and the degree to which it penetrates into the interior?
A.   Hardness
B.   Color
C.   Luster
D.   Streak
Question #4
Which of the following is not one of the six smaller groups that Non-Silicates break into?
A.   Halides
B.   Iron
C.   Oxides
D.   Sulfates
Question #5
Is the statement below True or False? Silicates form 90% of the Earth's crust.
A.   TRUE
B.   FALSE
Question #6
Use the luster flow chart (Figure 12.3) to answer the following questions about the two specimens pictured in Figure 12.4. Sample B (Figure 12.4, right photograph): What is the luster?
A.   Waxy
B.   Pearly
C.   Metallic
D.   Glassy
Question #7
Is the statement below True or False? Lighter colored silicate minerals are called Felsic Minerals, as they lack Iron (Fe) and Magnesium (Mg).
A.   FALSE
B.   TRUE
Question #8
Which of the following is not a silicate mineral?
A.   Mica
B.   Carbonate
C.   Olivine
D.   Quartz
Question #9
Which of the following is not a criteria for a mineral.
A.   Minerals have an orderly internal structure
B.   Mineral are an organic substance (composed of living organisms)
C.   Minerals are a naturally occurring substance (not made by humans)
D.   Minerals have a fixed chemical composition (elements)
Question #10
What is the term of a rock that has an observable layering or banding?
A.   felsic
B.   fractured
C.   crystalized
D.   foliated
Question #11
Which is not one of the four processes that create sediments?
A.   Erosion
B.   Deposition
C.   Melting
D.   Transportation
Question #12
Use the luster flow chart (Figure 12.3) to answer the following questions about the two specimens pictured in Figure 12.4. Sample A (Figure 12.4, left photograph): What is the luster?
A.   Metallic
B.   Glassy
C.   Pearly
D.   Waxy
Question #13
Chemical sedimentary rocks are dominated by what components?
A.   Those transported as ions in a solution
B.   Those transported as solid clasts
Question #14
Answer the following questions about the two samples shown in Figure 12.7. Sample A (Figure 12.7, left shape): If you had to describe this sample as a shape, what shape would it be? How many directions of cleavage does this sample have?
A.   Blocky, two
B.   Cube,two
C.   Cube, three
D.   Blocky, three
Question #15
What types of rock does not form from the cooling of magma?
A.   Metamorphic rock
B.   Extrusive igneous rock
C.   Intrusive igneous rock
Question #16
Which of the following physical properties is the least reliable?
A.   Cleavage
B.   Luster
C.   Streak
D.   Color
Question #17
Answer the following questions about the two samples shown in Figure 12.7. Sample B (Figure 12.7, right shape): If you had to describe this sample as a shape, what shape would it be? How many directions of cleavage does this sample have?
A.   Blocky, three
B.   Rhombohedral, two
C.   Rhombohedral, three
D.   Rhombohedral, six
Question #18
If you scratch a mineral with your fingernail then you know that the mineral hardness is?
A.   greater than 3.0
B.   equal to 2.0
C.   less than or equal to 2.5
D.   greater than or equal to 3.0
Question #19
Intrusive igneous rocks erupt onto the Earth's surface, and cool quickly to form small crystals.
A.   TRUE
B.   FALSE
Question #20
What rock is formed when sediments are buried, compacted, and cemented?
A.   Igneous rock
B.   Sedimentary rock
C.   Metamorphic rock
D.   Extrusive igneous rock

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