Question 1

Minerals are formed from the combination of different elements. The combination of different metallic elements produces

Accepted Answer

A) metallic minerals. 
B) metallic and nonmetallic minerals. 
C) nonmetallic minerals. 
D) polymorphs. 
A) metallic minerals. 
B) metallic and nonmetallic minerals. 
C) nonmetallic minerals. 
D) polymorphs. B

Question 2

Metamorphic rock that is weathered and broken down into small pieces can become

Accepted Answer

A) igneous rock. 
B) recrystallized. 
C) sediments which can then become sedimentary rock. 
D) fossilized. 
A) igneous rock. 
B) recrystallized. 
C) sediments which can then become sedimentary rock. 
D) fossilized. C

Question 3

List the seven physical properties for identifying minerals.

Accepted Answer

The physical properties include crystal form, hardness, cleavage, luster, color, streak, and density.

Question 4

Contact metamorphic rocks are typically not foliated because

Accepted Answer

A) the parent rock does not contain the correct type of minerals to produce foliation. 
B) contact metamorphism occurs from heat and not from deformation due to stress. 
C) contact metamorphism does not produce minerals, such as the micas, which are needed for foliation to occur. 
A) the parent rock does not contain the correct type of minerals to produce foliation. 
B) contact metamorphism occurs from heat and not from deformation due to stress. 
C) contact metamorphism does not produce minerals, such as the micas, which are needed for foliation to occur.

Question 5

Describe the process of crystallization.

Accepted Answer

Crystallization is the growth of a solid

Question 6

Rocks altered by heat and pressure beneath Earth's surface are

Accepted Answer

A) intrusive igneous rocks. 
B) extrusive sedimentary rocks. 
C) metamorphic rocks. 
D) igneous rocks. 
A) intrusive igneous rocks. 
B) extrusive sedimentary rocks. 
C) metamorphic rocks. 
D) igneous rocks.

Question 7

A mineral's hardness is dependent on the

Accepted Answer

A) strength of its chemical bonds. 
B) mineral ionization. 
C) size of its atoms, large atoms are harder than small atoms. 
D) geometric arrangement of atoms. 
A) strength of its chemical bonds. 
B) mineral ionization. 
C) size of its atoms, large atoms are harder than small atoms. 
D) geometric arrangement of atoms.

Question 8

What is the major rock-forming mineral group? Give examples of minerals in this group.

Accepted Answer

Silicates are the most abundan

Question 9

In a wet and humid climate, the mineral halite will succumb to weathering more easily than granite because

Accepted Answer

A) granite is more resistant. 
B) halite readily dissolves in water. 
C) halite is relatively soft (hardness of 2.5). 
D) all of the above. 
A) granite is more resistant. 
B) halite readily dissolves in water. 
C) halite is relatively soft (hardness of 2.5). 
D) all of the above.

Question 10

Our Earth has many resources, but they are not unlimited. In the case of abundant metals, supply will most often meet demand. However, problems can occur when

Accepted Answer

A) there is a shortage of ores that can be mined at a reasonable cost. 
B) high grade ores are depleted and low grade ores need to be mined. 
C) transport and processing costs override economic feasibility. 
D) all of the above. 
A) there is a shortage of ores that can be mined at a reasonable cost. 
B) high grade ores are depleted and low grade ores need to be mined. 
C) transport and processing costs override economic feasibility. 
D) all of the above.

Question 11

The precipitation of and crystallization of evaporite minerals is very similar to the crystallization of minerals from a magma. The first evaporite minerals to precipitate (crystallize)are those with the

Accepted Answer

A) lowest solubility. 
B) highest melting point. 
C) lowest silica content. 
D) highest solubility. 
A) lowest solubility. 
B) highest melting point. 
C) lowest silica content. 
D) highest solubility.

Question 12

The characteristic that distinguishes schist from slate is that schist is

Accepted Answer

A) foliated and slate is not. 
B) fine-grained and slate is coarse-grained. 
C) coarse-grained and slate is fine-grained. 
D) not foliated and slate is foliated. 
A) foliated and slate is not. 
B) fine-grained and slate is coarse-grained. 
C) coarse-grained and slate is fine-grained. 
D) not foliated and slate is foliated.

Question 13

Young Earth developed a layered structure under the influence of

Accepted Answer

A) impact heating and convection in its interior. 
B) gravitational contraction and radioactive decay. 
C) meteorite bombardment. 
D) gravity and density segregation-the process of differentiation. 
A) impact heating and convection in its interior. 
B) gravitational contraction and radioactive decay. 
C) meteorite bombardment. 
D) gravity and density segregation-the process of differentiation.

Question 14

Plutons form from magma

Accepted Answer

A) at Earth's surface. 
B) below Earth's surface. 
C) ejected from volcanoes. 
D) all of these 
A) at Earth's surface. 
B) below Earth's surface. 
C) ejected from volcanoes. 
D) all of these

Question 15

The last minerals to crystallize are those with the

Accepted Answer

A) higher melting point. 
B) lower melting point. 
A) higher melting point. 
B) lower melting point.

Question 16

Can metamorphism, caused solely by elevated temperature, occur without the presence of magma? Why or why not?

Accepted Answer

Yes, by burial metamorphism. As rocks ar

Question 17

The Hawaiian Islands are predominantly made up of

Accepted Answer

A) intrusive igneous rock. 
B) volcanic igneous rock. 
C) sedimentary rock. 
D) metamorphic rock. 
A) intrusive igneous rock. 
B) volcanic igneous rock. 
C) sedimentary rock. 
D) metamorphic rock.

Question 18

Metamorphism caused by the close proximity of a magma source is called

Accepted Answer

A) contact metamorphism. 
B) dynamic metamorphism. 
C) regional metamorphism. 
D) none of these 
A) contact metamorphism. 
B) dynamic metamorphism. 
C) regional metamorphism. 
D) none of these

Question 19

What are the rock-forming mineral groups?

Accepted Answer

Silicates, carbonate

Question 20

Of the following rocks, the one that does not originate in sediments laid down by water, wind, or ice is

Accepted Answer

A) sandstone. 
B) marble. 
C) shale. 
D) conglomerate. 
A) sandstone. 
B) marble. 
C) shale. 
D) conglomerate.

Exam 20: Rocks and Minerals

Minerals are formed from the combination of different elements. The combination of different metallic elements produces

Metamorphic rock that is weathered and broken down into small pieces can become

List the seven physical properties for identifying minerals.

Contact metamorphic rocks are typically not foliated because

Describe the process of crystallization.

Rocks altered by heat and pressure beneath Earth's surface are

A mineral's hardness is dependent on the

What is the major rock-forming mineral group? Give examples of minerals in this group.

In a wet and humid climate, the mineral halite will succumb to weathering more easily than granite because

Our Earth has many resources, but they are not unlimited. In the case of abundant metals, supply will most often meet demand. However, problems can occur when

The precipitation of and crystallization of evaporite minerals is very similar to the crystallization of minerals from a magma. The first evaporite minerals to precipitate (crystallize)are those with the

The characteristic that distinguishes schist from slate is that schist is

Young Earth developed a layered structure under the influence of

Plutons form from magma

The last minerals to crystallize are those with the

Can metamorphism, caused solely by elevated temperature, occur without the presence of magma? Why or why not?

The Hawaiian Islands are predominantly made up of

Metamorphism caused by the close proximity of a magma source is called

What are the rock-forming mineral groups?

Of the following rocks, the one that does not originate in sediments laid down by water, wind, or ice is

Patterns of Motion and Equilibrium

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Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

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Two Classes of Chemical Reactions

Organic Compounds

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Shaping Earths Surface

Geologic Timereading the Rock Record

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Prologue: the Nature of Science

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