Multiple Choice
Identify the choice
that best completes the statement or answers the question.
|
|
|
1.
|
Metallic, submetallic, and nonmetallic are
descriptions of a mineral's
a. | cleavage. | c. | luster. | b. | streak. | d. | color. |
|
|
|
2.
|
Muscovite mica will peel off in flat sheets. This
is an example of the physical characteristic called ____.
a. | streak | c. | fracture | b. | hardness | d. | cleavage |
|
|
|
3.
|
Calcite will scratch gypsum. This is an example of
the physical characteristics called ____.
a. | hardness | c. | streak | b. | cleavage | d. | fracture |
|
|
|
4.
|
 Which of these has a metallic
luster?
|
|
|
5.
|
____ is one of the most common silicate mineral
groups in the Earth's crust.
a. | Quartz | c. | Feldspar | b. | Carbonate | d. | Mica |
|
|
|
6.
|
Which of the following physical properties can be
expressed in numbers?
a. | color | c. | reaction to acid | b. | luster | d. | hardness |
|
|
|
7.
|
As magma cools, its ____ align themselves to form a
crystal structure, and it becomes a mineral.
a. | electrons | c. | elements | b. | atoms | d. | none of the above |
|
|
|
8.
|
The largest group of rock-forming minerals consists
of the ____.
a. | silicates | c. | oxides | b. | carbonates | d. | halides |
|
|
|
9.
|
Hot, melted rock beneath the Earth’s crust is
called
a. | magma | c. | lava | b. | Feldspar
minerals | d. | organic minerals |
|
|
|
10.
|
When quartz breaks it forms a curved, irregular
pattern called
a. | cleavage. | c. | hardness. | b. | luster. | d. | fracture. |
|
|
|
11.
|
 Which of these has cleavage?
|
|
|
12.
|
Which of the following is NOT a property that is
commonly used to identify minerals?
a. | density | c. | color | b. | hardness | d. | texture |
|
|
|
13.
|
On Mohs' hardness
scale, which of the following minerals is harder than quartz?a. | apatite | c. | gypsum | b. | topaz | d. | talc |
|
|
|
14.
|
The hardness of quartz
is 7. This indicates that quartz will scratch all of the following minerals EXCEPT
____.a. | talc | c. | apatite | b. | topaz | d. | calcite |
|
|
|
15.
|
The two most common elements in the Earth's
crust are
a. | oxygen and carbon. | c. | silicon and oxygen. | b. | nitrogen and
oxygen. | d. | carbon and silicon. |
|
|
|
16.
|
Which of the following is considered a special
property that applies to only a few minerals?
a. | streak | c. | magnetism | b. | luster | d. | color |
|
|
|
17.
|
A collector of minerals would want a sample of
____.
a. | sugar | c. | coal | b. | wood | d. | salt |
|
|
|
18.
|
Which statement best describes
minerals?
a. | Rocks are made of minerals. | c. | Crystals made by people are minerals. | b. | Minerals are made of rocks. | d. | Minerals can be
solid, liquid or gas. |
|
|
|
19.
|
A mineral's streak
a. | shows the mineral's crystal
structure. | b. | is more accurate
than color in identifying a mineral. | c. | is the same as a
luster test. | d. | will tell you the
mineral's specific gravity. |
|
|
|
20.
|
The color of the powder that a mineral leaves on a
piece of white, unglazed porcelain is called the mineral's
a. | luster. | c. | scratch. | b. | streak. | d. | hardness. |
|
|
|
21.
|
Which of these is not true about
minerals?
a. | they are formed by natural
processes | b. | they are formed from living
organisms | c. | they have atoms arranged in a crystal
pattern | d. | they are solids |
|
|
|
22.
|
Minerals are comprised of one or more
____.
a. | colors | c. | elements | b. | structures | d. | rocks |
|
|
|
23.
|
On Mohs' hardness scale, which of the
following minerals is the softest?
a. | talc | c. | diamond | b. | corundum | d. | orthoclase |
|
|
|
24.
|
Over 98 percent of the Earth’s crust is made
up of how many elements?
|
|
|
25.
|
One of the softest
minerals is ____.a. | topaz | c. | amethyst | b. | talc | d. | quartz |
|
|
|
26.
|
Friedrich Mohs created a scale that is used to
measure the ____________ of minerals.
a. | cleavage | c. | color | b. | luster | d. | hardness |
|
|
|
27.
|
A piece of sand has no value but a diamond is very valuable so it is
a. | a silicate | c. | organic | b. | manmade | d. | a gem |
|
|
|
28.
|
 Which of these does NOT have
fracture?
|