Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A collector of minerals would want a sample of ____.
a. | salt | c. | sugar | b. | coal | d. | wood |
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2.
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Minerals are comprised of one or more ____.
a. | colors | c. | rocks | b. | elements | d. | structures |
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3.
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Which of the following is considered a special property that applies to only a
few minerals?
a. | color | c. | streak | b. | luster | d. | magnetism |
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4.
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 Although 90 elements occur naturally in
the Earth’s crust, this figure shows that 98 percent of the crust is made up of how many
elements?
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5.
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As magma cools, its atoms arrange themselves to form a _____________
structure.
a. | chemical | c. | crystalline | b. | loose | d. | none of the
above |
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6.
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Calcite will scratch gypsum. This is an example of the physical characteristics
called ____.
a. | hardness | c. | fracture | b. | streak | d. | cleavage |
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7.
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 One of the softest minerals is ____. a. | topaz | c. | talc | b. | quartz | d. | amethyst |
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8.
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All minerals have the following characteristics EXCEPT that of ____.
a. | being formed by natural processes | b. | being formed from living
organisms | c. | being solids | d. | having the atoms within the mineral arranged in
a pattern |
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9.
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All minerals are
a. | liquids | c. | rocks | b. | inorganic | d. | organic |
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10.
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If the cost of separating a mineral from waste rock becomes too great, the
mineral may no longer be classified as an ore. This happens because ____.
a. | the mineral can no longer be mined at a profit | b. | the mineral has lost
its usefulness | c. | the demand for the mineral has decreased | d. | none of the
above |
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11.
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Metallic, submetallic, and nonmetallic are descriptions of a
mineral's
a. | streak. | c. | color. | b. | luster. | d. | cleavage. |
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12.
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If the atoms of a substance are arranged in a specific, repetitive pattern, the
substance is
a. | a compound. | c. | a mineral | b. | colorful. | d. | easily
scratched. |
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13.
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Minerals are comprised of one or more ____.
a. | colors | c. | rocks | b. | elements | d. | structures |
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14.
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All minerals share ____ basic characteristics.
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15.
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When liquid evaporates, atoms of any dissolved minerals stay behind and form
____, such as desert roses.
a. | atoms | c. | crystals | b. | magma | d. | organic matter |
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16.
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 On Mohs' hardness scale, which of the
following minerals is harder than quartz? a. | talc | c. | gypsum | b. | apatite | d. | topaz |
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17.
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Humus, silt, clay, and sand are all parts of —
a. | soil. | c. | rocks. | b. | fungi. | d. | plants. |
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18.
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 According to the chart, _____ is the
most common element in the Earth’s crust. a. | Iron | c. | silicon | b. | Aluminum | d. | oxygen |
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19.
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All minerals share the following characteristics EXCEPT that of ____.
a. | being formed by natural processes | b. | being formed from living
organisms | c. | being solids | d. | having the atoms within the mineral arranged in
a pattern |
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20.
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When magma cools slowly
a. | minerals do not form | c. | minerals will have small crystals | b. | minerals will have
large crystals | d. | minerals
change into rocks |
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21.
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Friedrich Mohs created a scale that is used to measure the ____________ of
minerals.
a. | color | c. | luster | b. | hardness | d. | cleavage |
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22.
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Cleavage of a mineral is related to a mineral's
a. | chemical composition. | c. | luster. | b. | streak color. | d. | crystalline
structure. |
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23.
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Which of the following is NOT a property that is commonly used to identify
minerals?
a. | color | c. | density | b. | hardness | d. | texture |
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24.
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The largest group of rock-forming minerals consists of the ____.
a. | quartzes | c. | silicates | b. | halides | d. | oxides |
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25.
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As magma cools, its ____ combine into compounds that form a crystal structure,
and it becomes a mineral.
a. | atoms | c. | electrons | b. | elements | d. | none of the
above |
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26.
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A mineral can be identified by breaking it and then examining the directions it
broke in. This test uses the mineral characteristic called
a. | striations. | c. | specific gravity. | b. | hardness.
| d. | cleavage.
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27.
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The two most common elements in the Earth's crust are
a. | nitrogen and oxygen. | c. | silicon and oxygen. | b. | carbon and silicon. | d. | oxygen and
carbon. |
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28.
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Which statement best describes minerals?
a. | Rocks are made of minerals. | c. | Minerals can be solid, liquid or
gas. | b. | Minerals are made of rocks. | d. | Crystals made by people are minerals. |
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29.
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A collector of minerals would want a sample of ____.
a. | salt | c. | sugar | b. | coal | d. | wood |
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30.
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Over 98 percent of the Earth’s crust is made up of how many
elements?
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31.
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Hot, melted rock beneath the Earth’s crust is called
a. | lava | c. | magma | b. | Feldspar minerals | d. | organic
minerals |
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32.
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The properties of being ____ make a diamond a gemstone.
a. | rare and beautiful | c. | easy to obtain and beautiful | b. | useful and
profitable | d. | rare and
profitable |
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33.
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Which is a mineral?
a. | glass | c. | magma | b. | graphite | d. | bricks |
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34.
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The largest group of rock-forming minerals consists of the ____.
a. | non-silicates | c. | silicates | b. | halides | d. | oxides |
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35.
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One of the softest minerals is ____.
a. | topaz | c. | talc | b. | quartz | d. | amethyst |
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36.
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When quartz breaks it forms a curved, irregular pattern called
a. | luster. | c. | fracture. | b. | cleavage. | d. | hardness. |
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37.
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 The hardness of quartz is 7. This indicates
that quartz will scratch all of the following minerals EXCEPT ____. a. | talc | c. | topaz | b. | apatite | d. | calcite |
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38.
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On Mohs' hardness scale, which of the following minerals is the
softest?
a. | talc | c. | corundum | b. | diamond | d. | orthoclase |
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39.
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The largest group of rock-forming minerals consists of the ____.
a. | quartzes | c. | silicates | b. | halides | d. | oxides |
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40.
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Which of the following physical properties can be expressed in numbers?
a. | luster | c. | color | b. | hardness | d. | reaction to
acid |
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41.
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The color of the powder that a mineral leaves on a piece of white, unglazed
porcelain is called the mineral's
a. | hardness. | c. | streak. | b. | luster. | d. | scratch. |
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42.
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Some minerals are formed when ____ cools.
a. | an atom | c. | magma | b. | a solid | d. | the crystals |
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43.
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A rock that contains a metal is known as
a. | a crystal. | c. | a stalactite. | b. | an ore. | d. | an anthracite |
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44.
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Use the chart below to answer this question.
mineral | hardness | way it breaks | luster | streak | color | Galena | 2.5 | cleavage | metallic | gray-black | silver, gray | Magnetite | 6 | fracture | metallic | black | black | Hematite | 6 | fracture | metallic-dull | red-brown | red-brown, silver, black | | | | | | |
Susan wants to identify a dark, heavy
mineral sample she found in the classroom collection. She notices there are three minerals in a chart
in a reference book that might match her sample. | | Susan next
observes that her sample mineral has flat, reflective surfaces that break into boxlike steps. She
infers the mineral may be galena. If she is correct, one more test will verify her inference. Which
property would to best for her to observe next? | | |
a. | hardness | c. | streak | b. | luster | d. | color |
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45.
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Muscovite mica will peel off in flat sheets. This is an example of the physical
characteristic called ____.
a. | hardness | c. | fracture | b. | streak | d. | cleavage |
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46.
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A collector of minerals would want a sample of ____.
a. | halite | c. | sugar | b. | coal | d. | wood |
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47.
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A mineral's streak
a. | is more accurate than color in identifying a mineral. | b. | will tell you the
mineral's specific gravity. | c. | is the same as a luster
test. | d. | shows the mineral's crystal structure. |
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48.
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____ minerals are the most common silicate mineral group in the Earth's
crust.
a. | Carbonate | c. | Mica | b. | Feldspar | d. | Quartz |
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49.
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 According to the chart, oxygen and
silicon make up ______ percent of the Earth’s crust. a. | 46.6 % | c. | over 74 % | b. | 27.7 % | d. | over 100 % |
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50.
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Which of these is not true about minerals?
a. | they are formed by natural processes | b. | they are formed from living
organisms | c. | they are solids | d. | they have atoms arranged in a crystal
pattern |
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51.
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A Mineral is an inorganic _____ with a unique crystal structure.
a. | atomic | c. | magma | b. | solid | d. | crystal |
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52.
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A mineral is no longer classified as an ore once it is no longer ____.
a. | useful | c. | obtainable at reasonable cost | b. | profitable | d. | all of the above |
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53.
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 The hardness of quartz is 7. This indicates
that quartz will scratch all of the following minerals EXCEPT ____. a. | talc | c. | topaz | b. | apatite | d. | calcite |
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54.
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As magma cools, its ____ combine into compounds that form a crystal structure,
and it becomes a mineral.
a. | atoms | c. | electrons | b. | elements | d. | none of the
above |
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55.
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Calcite will scratch gypsum. This is an example of the physical characteristics
called ____.
a. | hardness | c. | fracture | b. | streak | d. | cleavage |
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56.
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A mineral is classified as an ore as long as ____.
a. | it is rare and valuable | c. | it is profitable and
useful | b. | it can be used as jewelry | d. | it is solid and natural |
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57.
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Muscovite mica will peel off in flat sheets. This is an example of the physical
characteristic called ____.
a. | hardness | c. | fracture | b. | streak | d. | cleavage |
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