Question 1

Most of the world's sand is made up of which two minerals?

Accepted Answer

Feldspar, the most common and

Question 2

What is partial melting?

Accepted Answer

Partial melting is the incompl

Question 3

Slate is metamorphosed

Accepted Answer

A) granite, a foliated rock with alternating layers of dark platy minerals and lighter granular minerals. 
B) shale, a foliated rock composed of very small particles and flakes of mica. 
C) marble, a foliated rock with water-tight crystals. 
D) limestone. 
A) granite, a foliated rock with alternating layers of dark platy minerals and lighter granular minerals. 
B) shale, a foliated rock composed of very small particles and flakes of mica. 
C) marble, a foliated rock with water-tight crystals. 
D) limestone.

Question 4

Which mineral, quartz or feldspar, will crystallize first? Why?

Accepted Answer

Minerals with high silica cont

Question 5

Mica is not found in

Accepted Answer

A) slate. 
B) schist. 
C) gneiss. 
D) quartzite. 
A) slate. 
B) schist. 
C) gneiss. 
D) quartzite.

Question 6

Most of the world's sand is composed of the minerals

Accepted Answer

A) feldspar and quartz. 
B) silicon and oxygen. 
C) quartz and muscovite. 
D) silicon and aluminum. 
A) feldspar and quartz. 
B) silicon and oxygen. 
C) quartz and muscovite. 
D) silicon and aluminum.

Question 7

The mineral gold (Au)is very soft. Gold's softness can be attributed to

Accepted Answer

A) large, tightly packed atoms. 
B) small, loosely bonded atoms. 
C) large, loosely packed, and loosely bonded atoms. 
D) large, closely packed, and strong bonded atoms. 
A) large, tightly packed atoms. 
B) small, loosely bonded atoms. 
C) large, loosely packed, and loosely bonded atoms. 
D) large, closely packed, and strong bonded atoms.

Question 8

The process by which a single magma can generate several magmas of different compositions is

Accepted Answer

A) partial melting. 
B) partial crystallization. 
C) fractional crystallization. 
D) partial distillation. 
A) partial melting. 
B) partial crystallization. 
C) fractional crystallization. 
D) partial distillation.

Question 9

The first 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 10

The metamorphic equivalent of limestone is

Accepted Answer

A) gneiss. 
B) marble. 
C) quartzite. 
D) schist. 
A) gneiss. 
B) marble. 
C) quartzite. 
D) schist.

Question 11

For the crystallization of minerals from a magma, melting point determines which mineral will form first. For evaporite minerals

Accepted Answer

A) solubility determines which mineral will form first. 
B) salinity determines which mineral will form first. 
C) melting point also determines which mineral will form first. 
D) there is no single determinant. All evaporite minerals precipitate at the same time. 
A) solubility determines which mineral will form first. 
B) salinity determines which mineral will form first. 
C) melting point also determines which mineral will form first. 
D) there is no single determinant. All evaporite minerals precipitate at the same time.

Question 12

Coal is considered to be a

Accepted Answer

A) biochemical sedimentary rock. 
B) clastic sedimentary rock. 
C) fossiliferous sedimentary rock. 
D) chemical sedimentary rock. 
A) biochemical sedimentary rock. 
B) clastic sedimentary rock. 
C) fossiliferous sedimentary rock. 
D) chemical sedimentary rock.

Question 13

The most characteristic feature of sedimentary rocks is that they are

Accepted Answer

A) observed in great thicknesses. 
B) formed in layered sequences-strata. 
C) fossiliferous. 
D) made from unconsolidated sediments. 
A) observed in great thicknesses. 
B) formed in layered sequences-strata. 
C) fossiliferous. 
D) made from unconsolidated sediments.

Question 14

The melting point of silicate minerals is strongly dependent on the amount of silica it contains. The first minerals to melt are those with

Accepted Answer

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

Question 15

Sedimentary rocks provide clues about past geologic events and settings. A low energy, quiet environment such as a lagoon or lake bed provides the perfect setting for the formation of

Accepted Answer

A) sandstone and shale. 
B) shale and evaporites. 
C) arkose and dolomite. 
D) none of these 
A) sandstone and shale. 
B) shale and evaporites. 
C) arkose and dolomite. 
D) none of these

Question 16

As rock melts to become magma, which minerals are the first to melt?

Accepted Answer

The first minerals to melt are

Question 17

Rocks with a high water content have a

Accepted Answer

A) higher melting point. 
B) lower melting point. 
C) higher pressure. 
D) lower pressure. 
A) higher melting point. 
B) lower melting point. 
C) higher pressure. 
D) lower pressure.

Question 18

As rock is weathered it breaks down and erodes. Sedimentation begins where erosion stops. Erosion is

Accepted Answer

A) disintegration and fragmentation of rock into smaller pieces. 
B) a chemical process. 
C) decomposition and alteration of rock material. 
D) transportation of rock particles via water wind or ice. 
A) disintegration and fragmentation of rock into smaller pieces. 
B) a chemical process. 
C) decomposition and alteration of rock material. 
D) transportation of rock particles via water wind or ice.

Question 19

A nonfoliated metamorphic rock composed of carbonate minerals is

Accepted Answer

A) gneiss. 
B) quartzite. 
C) slate. 
D) marble. 
A) gneiss. 
B) quartzite. 
C) slate. 
D) marble.

Question 20

The majority of elements in the Periodic Table are metallic. Does this mean that most minerals are metallic?

Accepted Answer

Although the different metallic elements

Exam 20: Rocks and Minerals

Most of the world's sand is made up of which two minerals?

What is partial melting?

Slate is metamorphosed

Which mineral, quartz or feldspar, will crystallize first? Why?

Mica is not found in

Most of the world's sand is composed of the minerals

The mineral gold (Au)is very soft. Gold's softness can be attributed to

The process by which a single magma can generate several magmas of different compositions is

The first minerals to crystallize are those with the

The metamorphic equivalent of limestone is

For the crystallization of minerals from a magma, melting point determines which mineral will form first. For evaporite minerals

Coal is considered to be a

The most characteristic feature of sedimentary rocks is that they are

The melting point of silicate minerals is strongly dependent on the amount of silica it contains. The first minerals to melt are those with

Sedimentary rocks provide clues about past geologic events and settings. A low energy, quiet environment such as a lagoon or lake bed provides the perfect setting for the formation of

As rock melts to become magma, which minerals are the first to melt?

Rocks with a high water content have a

As rock is weathered it breaks down and erodes. Sedimentation begins where erosion stops. Erosion is

A nonfoliated metamorphic rock composed of carbonate minerals is

The majority of elements in the Periodic Table are metallic. Does this mean that most minerals are metallic?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Timereading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: the Nature of Science

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