Question 1

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 2

How is erosion different from weathering?

Accepted Answer

A) Erosion is the process of removing sediment from weathered rock. 
B) Erosion produces more sediment than weathering. 
C) Erosion produces less sediment than weathering. 
D) Erosion and weathering are different ways of saying the same thing. 
A) Erosion is the process of removing sediment from weathered rock. 
B) Erosion produces more sediment than weathering. 
C) Erosion produces less sediment than weathering. 
D) Erosion and weathering are different ways of saying the same thing.

Question 3

What is an ore?

Accepted Answer

An ore is a mineral deposit th

Question 4

Galena belongs to the class of minerals known as the

Accepted Answer

A) sulfides. 
B) sulfates. 
C) silicates. 
D) carbonates. 
A) sulfides. 
B) sulfates. 
C) silicates. 
D) carbonates.

Question 5

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 6

Minerals that have strong bonds between flat crystal surfaces tend to

Accepted Answer

A) cleave more easily. 
B) show poor cleavage. 
C) show well developed cleavage. 
D) have a well-developed streak. 
A) cleave more easily. 
B) show poor cleavage. 
C) show well developed cleavage. 
D) have a well-developed streak.

Question 7

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

Question 8

Describe two sources from which minerals can crystallize.

Accepted Answer

Minerals crystallize from 1)magma-molten

Question 9

What two factors can change a rock's melting point?

Accepted Answer

Pressure and water.Inside Earth,pressure

Question 10

Silica has a relatively

Accepted Answer

A) low melting point. 
B) high melting point. 
A) low melting point. 
B) high melting point.

Question 11

Zoned sequences of minerals are a characteristic of

Accepted Answer

A) contact metamorphism. 
B) regional metamorphism. 
C) foliated metamorphism. 
D) mechanical deformation. 
A) contact metamorphism. 
B) regional metamorphism. 
C) foliated metamorphism. 
D) mechanical deformation.

Question 12

A rock's initial melting temperature is primarily determined by

Accepted Answer

A) the rocks mineralogy. 
B) its water content. 
C) its internal temperature. 
D) its heat source. 
A) the rocks mineralogy. 
B) its water content. 
C) its internal temperature. 
D) its heat source.

Question 13

The most common igneous rock is

Accepted Answer

A) basalt. 
B) andesite. 
C) granite. 
D) none of these 
A) basalt. 
B) andesite. 
C) granite. 
D) none of these

Question 14

Rocks can begin to melt if

Accepted Answer

A) a decrease in pressure results in a sufficient decrease in the rock's melting point. 
B) the rock's water content increases thereby decreasing the rock's melting point. 
C) heated by rising magma from the Earth's interior. 
D) all of the above. 
E) none of the above. 
A) a decrease in pressure results in a sufficient decrease in the rock's melting point. 
B) the rock's water content increases thereby decreasing the rock's melting point. 
C) heated by rising magma from the Earth's interior. 
D) all of the above. 
E) none of the above.

Question 15

What is partial melting?

Accepted Answer

Partial melting is the incompl

Question 16

Ice wedging-freezing of water in cracks-is an example of

Accepted Answer

A) chemical weathering. 
B) mechanical weathering. 
C) iron oxide stain. 
D) lithification. 
A) chemical weathering. 
B) mechanical weathering. 
C) iron oxide stain. 
D) lithification.

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

The most violent volcanic explosions are generated from

Accepted Answer

A) basaltic lava flows. 
B) andesitic lava flows. 
C) granitic lava flows. 
D) ocean floor lava flows. 
A) basaltic lava flows. 
B) andesitic lava flows. 
C) granitic lava flows. 
D) ocean floor lava flows.

Question 19

The most common extrusive rocks are generated from

Accepted Answer

A) andesitic magma. 
B) granitic magma. 
C) basaltic magma. 
D) none of the above 
A) andesitic magma. 
B) granitic magma. 
C) basaltic magma. 
D) none of the above

Question 20

Sedimentary rocks subjected to melting become

Accepted Answer

A) lithified. 
B) metamorphic rocks. 
C) igneous rocks. 
D) limestone. 
A) lithified. 
B) metamorphic rocks. 
C) igneous rocks. 
D) limestone.

Exam 20: Rocks and Minerals

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

How is erosion different from weathering?

What is an ore?

Galena belongs to the class of minerals known as the

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

Minerals that have strong bonds between flat crystal surfaces tend to

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

Describe two sources from which minerals can crystallize.

What two factors can change a rock's melting point?

Silica has a relatively

Zoned sequences of minerals are a characteristic of

A rock's initial melting temperature is primarily determined by

The most common igneous rock is

Rocks can begin to melt if

What is partial melting?

Ice wedging-freezing of water in cracks-is an example of

The Hawaiian Islands are predominantly made up of

The most violent volcanic explosions are generated from

The most common extrusive rocks are generated from

Sedimentary rocks subjected to melting become

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 Time - Reading 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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