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7th-8th Ch. 14 Review 1
Test Description: Chapter 14 Minerals and Ores Review
Instructions: Answer all questions to get your test result.
1) Oxides are compounds that consist of __________ and another element, usually a metal.
A
water
B
oxygen
C
carbon dioxide
D
sulfur
2) The mineral cinnaabar, also called mercury sulfide, is an important source, or ______ of mercury.
A
excavation
B
lifeline
C
collateral
D
ore
3) The process by which a crystal grows is called ___________.
A
decretion
B
redirection
C
accretion
D
substantiation
4) All minerals are composed of two or more elements.
A
True
B
Pickle
C
False
D
Cucumber
5) Diamond is composed of carbon.
A
False
B
Pickle
C
True
D
Cucumber
6) It is a better use of God's resources to use diamonds for industry than for adornment.
A
False
B
True
C
Pickle
D
Cucumber
7) Rapid cooling of molten rocks always results in the formation of small crystals.
A
True
B
False
C
Pickle
D
Cucumber
8) All native minerals are pure elements.
A
Pickle
B
True
C
False
D
Cucumber
9) Glass is not a mineral because it lacks a definite crystalline atomic structure.
A
Cucumber
B
True
C
False
D
Pickle
10) A mineral can have more than one color
A
True
B
Cucumber
C
False
D
Pickle
11) Cleavage and fracture both refer to the characteristic way in which a mineral breaks.
A
True
B
Cucumber
C
False
D
Pickle
12) The Mohs scale is used to rate a mineral's resistance to fracturing.
A
Pickle
B
False
C
Cucumber
D
True
13) A mineral's streak is a more reliable way to classify a mineral than its apparent color.
A
Pickle
B
True
C
Cucumber
D
False
14) Placer deposits are found deep underground
A
False
B
Pickle
C
True
D
Cucumber
15) In which state was most of the native silver in the United States found?
A
Michigan
B
North Dakota
C
Texas
D
Wyoming
16) A mineral rated as 2 on the Mohs scale is _________.
A
rough.
B
hard.
C
soft.
D
slippery.
17) A mineral sample gives a strong reading on a Geiger counter. You could conclude that the mineral is
A
magnetite (an iron ore).
B
pitchblende (a uranium ore).
C
galena (a lead ore).
D
rhodochrosite (a manganese ore).
18) It is not possible to obtain diamonds by
A
mining.
B
the Frasch process.
C
sluicing.
D
dredging.
19) A carat is a unit of ____.
A
mass.
B
purity.
C
color.
D
value.
20) Which of the following is not a mineral?
A
feldspar
B
platinum
C
water
D
asbestos
*select an answer for all questions
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