Question 1

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 2

How does sediment turn into sedimentary rock?

Accepted Answer

The transformation of sediments to sedim

Question 3

The last minerals to crystallize from a cooling magma have the

Accepted Answer

A) lowest melting point and the highest percentage of silica. 
B) lowest melting point and the lowest percentage of silica. 
C) highest melting point and the highest percentage of silica. 
D) highest melting point and the lowest percentage of silica. 
A) lowest melting point and the highest percentage of silica. 
B) lowest melting point and the lowest percentage of silica. 
C) highest melting point and the highest percentage of silica. 
D) highest melting point and the lowest percentage of silica.

Question 4

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.

Question 5

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

Accepted Answer

The first minerals to melt are

Question 6

Petroleum and oil reserves are often found in sedimentary rocks because

Accepted Answer

A) these rocks are very porous and permeable. 
B) chemical changes occur to create these reserves. 
C) these rocks often contain fossilized organic matter. 
D) oil accumulates in the sediments. 
A) these rocks are very porous and permeable. 
B) chemical changes occur to create these reserves. 
C) these rocks often contain fossilized organic matter. 
D) oil accumulates in the sediments.

Question 7

The silica content of magma greatly affects its viscosity.Magma with a high silica content has a

Accepted Answer

A) high viscosity and flows quickly. 
B) high viscosity and flows slowly. 
C) low viscosity and flows quickly. 
D) low viscosity and flows slowly. 
A) high viscosity and flows quickly. 
B) high viscosity and flows slowly. 
C) low viscosity and flows quickly. 
D) low viscosity and flows slowly.

Question 8

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 9

How does sediment turn into sedimentary rock?

Accepted Answer

The transformation of sediments to sedim

Question 10

A mineral deposit can be classified as an ore deposit when

Accepted Answer

A) valuable metals are present in the deposit. 
B) valuable metals in the deposit can be mined at a profit. 
C) it contains valuable fossil fuels. 
D) it contains valuable gemstone quality minerals. 
A) valuable metals are present in the deposit. 
B) valuable metals in the deposit can be mined at a profit. 
C) it contains valuable fossil fuels. 
D) it contains valuable gemstone quality minerals.

Question 11

The main producer of sediment is

Accepted Answer

A) mechanical weathering. 
B) ice wedging. 
C) chemical Weathering. 
D) erosion. 
A) mechanical weathering. 
B) ice wedging. 
C) chemical Weathering. 
D) erosion.

Question 12

As sediments accumulate,compaction and cementation produce sedimentary rock.This process is called

Accepted Answer

A) consolidation. 
B) solidification. 
C) lithification. 
D) solifluction. 
A) consolidation. 
B) solidification. 
C) lithification. 
D) solifluction.

Question 13

All minerals are

Accepted Answer

A) organic. 
B) crystals. 
C) crystalline solids. 
D) synthetic. 
A) organic. 
B) crystals. 
C) crystalline solids. 
D) synthetic.

Question 14

Mohs scale is based on minerals that have different

Accepted Answer

A) cleavage directions. 
B) colors. 
C) hardness. 
D) shapes. 
A) cleavage directions. 
B) colors. 
C) hardness. 
D) shapes.

Question 15

Plutonic rocks subjected to high temperature and pressure transform by

Accepted Answer

A) recrystallization of existing mineral grains. 
B) deformation of mineral grains. 
C) melting down of existing minerals. 
D) any of these 
A) recrystallization of existing mineral grains. 
B) deformation of mineral grains. 
C) melting down of existing minerals. 
D) any of these

Question 16

What does partial melting have to do with silica content of a magma?

Accepted Answer

Partial melting produces magmas with a h

Question 17

Metamorphism caused by the alteration of rock by both thermal and mechanical means is called

Accepted Answer

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

Question 18

Fluids in a metamorphic reaction

Accepted Answer

A) speed up the process. 
B) neutralize the process. 
C) slow down the process. 
D) have no effect on the process of metamorphism. 
A) speed up the process. 
B) neutralize the process. 
C) slow down the process. 
D) have no effect on the process of metamorphism.

Question 19

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 20

Igneous rocks are formed by the

Accepted Answer

A) melting and transformation of minerals in Earth's interior. 
B) cooling and crystallization of molten magma. 
C) partial crystallization of granitic magma. 
D) cooling and crystallization of molten lava in Earth's interior. 
A) melting and transformation of minerals in Earth's interior. 
B) cooling and crystallization of molten magma. 
C) partial crystallization of granitic magma. 
D) cooling and crystallization of molten lava in Earth's interior.

Exam 20: Rocks and Minerals

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

How does sediment turn into sedimentary rock?

The last minerals to crystallize from a cooling magma have the

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

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

Petroleum and oil reserves are often found in sedimentary rocks because

The silica content of magma greatly affects its viscosity.Magma with a high silica content has a

The characteristic that distinguishes schist from slate is that schist is

How does sediment turn into sedimentary rock?

A mineral deposit can be classified as an ore deposit when

The main producer of sediment is

As sediments accumulate,compaction and cementation produce sedimentary rock.This process is called

All minerals are

Mohs scale is based on minerals that have different

Plutonic rocks subjected to high temperature and pressure transform by

What does partial melting have to do with silica content of a magma?

Metamorphism caused by the alteration of rock by both thermal and mechanical means is called

Fluids in a metamorphic reaction

The first minerals to crystallize are those with the

Igneous rocks are formed by the

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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