Earth Science Geology, the Environment, and the Universe

Chapter 4: Minerals

Chapter Test Practice-English

1
A mineral is a(n) __________ if it can be mined for profit.
A)igneous rock
B)ore
C)crystal
D)rock
2
A mineral's __________ is the color when it is powdered.
A)hardness
B)streak
C)density
D)luster
3
What is caused by the presence of trace elements in a mineral?
A)luster
B)streak
C)color
D)hardness
4
Which mineral group contains atoms bonded together as tetrahedrons?
A)silicates
B)carbonates
C)oxides
D)sulfides
5
A mineral's _____ is its color when in powdered form.
A)hardness
B)streak
C)density
D)luster
6
Which physical feature describes how a mineral breaks along a flat plane?
A)luster
B)fracture
C)cleavage
D)streak
7
What makes a mineral a gem?
A)its deep color
B)its rarity and beauty
C)its association with native elements
D)its pearly luster
8
When magma cools quickly, __________ crystals form, and when it cools slowly, __________ crystals form.
A)shiny, dull
B)large, large
C)broken, whole
D)small, large
9
Which is a mineral?
A)salt
B)amber
C)coal
D)sugar
10
Which is not a characteristic of a mineral?
A)naturally occurring
B)organic solid
C)specific chemical composition
D)definite crystal structure
11
A(n) __________ is a solid in which the atoms are arranged in repeating patterns.
A)magma
B)rock
C)atom
D)crystal
12
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.
13
__________ is the measure of how easily a mineral can be scratched.
A)Specific gravity
B)Streak
C)Hardness
D)Luster
14
What describes the way a mineral feels?
A)streak
B)texture
C)luster
D)hardness
15
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
16
_____ describes the way a mineral reflects light.
A)Colorless streak
B)Cleavage
C)Ctreak
D)Luster
17
Which physical characteristic is subjective?
A)specific gravity
B)hardness
C)luster
D)crystal form
18
How many oxygen atoms are bonded to a silica atom in one silica tetrahedron?
A)1
B)2
C)3
D)4
19
Which common mineral helped revolutionize the development of radios, radar and computers?
A)feldspar
B)quartz
C)hematite
D)calcite
20
Which mineral group is used to make drywall and plaster?
A)silicates
B)sulfides
C)oxides
D)sulfates
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