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Minerals
Test Description: Minerals test review
Instructions: Answer all questions to get your test result.
1) On Mohs' hardness scale, which of the following minerals is harder than quartz?
A
topaz
B
talc
C
apatite
D
gypsum
2) A mineral's streak
A
reveals the mineral's crystal structure
B
is the same as a luster test
C
reveals the mineral's specific gravity
D
is more reliable than color in identifying a mineral
3) Which of the following factors is NOT important in the formation of minerals?
A
wind
B
heat
C
volcanic activity
D
presence of ground water
4) Which of the following terms is NOT used to describe a mineral's luster?
A
dull
B
waxy
C
pearly
D
hexagonal
5) Which of the following is considered a special property that applies to only a few minerals?
A
magnetism
B
steak
C
color
D
luster
6) Which of the following physical properties can be expressed in numbers?
A
luster
B
reaction to acid
C
hardness
D
color
7) Which of the following minerals would scratch fluorite?
A
quartz
B
calcite
C
gypsum
D
talc
8) A naturally formed, inorganic solid with a definite internal geometric structure is called a
A
mineral
B
atom
C
element
D
compound
9) ___________is the tendency of minerals to break along flat surfaces.
A
Density
B
Cleavage
C
Fracture
D
Hardness
10) Gold and silver are ______________ because they are each composed of a single type of atom.
A
ore
B
elements
C
compounds
D
atoms
11) Aluminum comes from a mineral ______________ called bauxite.
A
ore
B
element
C
mineral
D
compound
12) A material's ___________________is defined as its mass divided by its volume.
A
density
B
cleavage
C
hardness
D
fracture
13) If the atoms of a substance are arranged in a specific, repetitive pattern, the substance is
A
colorful
B
a compound
C
crystalline
D
easily scratched
14) The mineral calcite, CaCO3, is an example of a
A
sulfate
B
silicate
C
carbonate
D
halide
15) The nonsilicate minerals
A
are all rare substances
B
include native elements
C
do not contain oxygen
D
all display good cleavage
16) In addition to reclamation, a good way to reduce the environmental effects of mining is to
A
dig deeper mines
B
recycle materials
C
flush mines with water
D
use more metals
17) The color of the powder that a mineral leaves on a piece of white, unglazed porcelain is called the mineral's
A
luster
B
hardness
C
scratch
D
streak
18) What are silicate minerals not always made of?
A
silicon
B
oxygen
C
hydrogen
D
none of the above
*select an answer for all questions
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