Earth Science Geology, the Environment, and the Universe

Chapter 4: Minerals

Standardized Test Practice-English

1
What is the correct atomic composition of quartz?
A)two oxygen atoms
B)two silica atoms
C)one silica atom and two oxygen atoms
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)hematite
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 of the following is not a reliable feature to use alone when identifying a mineral?
A)crystal form
B)luster
C)hardness
D)color
8
How do crystals of salt form?
A)precipitation inside caves
B)freezing in glacial ice
C)crystallization from magma
D)evaporation from solution
9
What happens to calcium carbonate when it is exposed to hydrochloric acid?
A)It changes 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
_____ describes the way a mineral reflects light.
A)colorless streak
B)cleavage
C)streak
D)luster
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