Earth Science Geology, the Environment, and the Universe

Chapter 4: Minerals

Multiple Choice Quiz

1
What is the correct atomic composition of quartz?
A)two silica atoms
B)four atoms of silica and oxygen each
C)two oxygen atoms and one silica atom
D)two silica atoms and one iron atom
2
When magma cools quickly, __________ crystals form, and when it cools slowly, __________ crystals form.
A)shiny, dull
B)large, large
C)broken, crystals
D)small, large
3
What are the common minerals called?
A)abundant minerals
B)igneous minerals
C)crystal minerals
D)rock-forming minerals
4
What is an example of an oxide?
A)calcite
B)magnetite
C)sulfur
D)anhydrite
5
A(n) __________ is a solid in which the atoms are arranged in repeating patterns.
A)magma
B)rock
C)atom
D)crystal
6
According to the table, what is a characteristic of metallic minerals?
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A)colorless streak
B)low hardness value
C)gray, green, brown, or red streak
D)no crystalline structure
7
Which crystal shown in the figure is hexagonal?
A)1
B)2
C)3
D)none are hexagonal
8
How do crystals of salt form?
A)inside caves
B)in glacial ice
C)from magma
D)from solution
9
What happens to calcium carbonate when it is exposed to hydrochloric acid?
A)It turns color.
B)It fizzes.
C)It breaks.
D)It looses luster.
10
__________ is the measure of how easily a mineral can be scratched.
A)Specific gravity
B)Streak
C)Hardness
D)Luster
11
What describes the way a mineral feels?
A)streak
B)texture
C)luster
D)hardness
12
What is the numerical value for the hardest mineral on the Mohs hardness scale?
A)100
B)20
C)11
D)10
13
If a mineral breaks along distinct planes, it is said to have __________.
A)fracture
B)a high specific gravity
C)cleavage
D)a dull luster
14
According to the table, which mineral is capable of scratching garnet?
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A)corundum
B)gold
C)pyrite
D)apatite
15
Which of the minerals listed in the table has the greatest density?
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A)beryl
B)corundum
C)pyrite
D)garnet
16
__________ is the way a mineral reflects light.
A)colorless streak
B)cleavage
C)streak
D)luster
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