Question 1

Which of the following describes a rock?

Accepted Answer

A)  a pile of damp sand still holding the form of a bucket 
B)  a collection of crystals that fit together like puzzle pieces 
C)  cobblestones cemented together to form a walkway 
D)  a layer of mud at the bottom of a dry riverbed 
A)  a pile of damp sand still holding the form of a bucket 
B)  a collection of crystals that fit together like puzzle pieces 
C)  cobblestones cemented together to form a walkway 
D)  a layer of mud at the bottom of a dry riverbed

Question 2

What is a thin section? How is it made and what is it used for?

Accepted Answer

A thin section is a piece of rock or min

Question 3

Which type of rock forms from the freezing (solidification)of a melt?

Accepted Answer

A)  metamorphic 
B)  crystalline 
C)  sedimentary 
D)  igneous 
A)  metamorphic 
B)  crystalline 
C)  sedimentary 
D)  igneous

Question 4

What are the three rock groups? Give a brief description of how each is formed.

Accepted Answer

The three rock types are igneous,sedimen

Question 5

What type of texture is shown in this photomicrograph?

Accepted Answer

A)  foliation 
B)  crystalline 
C)  sedimentary 
D)  clastic 
A)  foliation 
B)  crystalline 
C)  sedimentary 
D)  clastic

Question 6

How would you tell if a rock is crystalline?

Accepted Answer

A)  It contains crystals that have been cemented together. 
B)  It does not contain crystals at all. 
C)  It contains interlocking crystals. 
D)  It contains all one type of crystal. 
A)  It contains crystals that have been cemented together. 
B)  It does not contain crystals at all. 
C)  It contains interlocking crystals. 
D)  It contains all one type of crystal.

Question 7

What type of rock is shown in the photo below?

Accepted Answer

A)  clastic 
B)  sedimentary 
C)  igneous 
D)  metamorphic 
A)  clastic 
B)  sedimentary 
C)  igneous 
D)  metamorphic

Question 8

Why do geologists classify rocks?

Accepted Answer

A)  to determine the chemical makeup of the Earth 
B)  rocks are the key to understanding how the Earth formed 
C)  because it makes it easier to tell them apart 
D)  to determine their age 
A)  to determine the chemical makeup of the Earth 
B)  rocks are the key to understanding how the Earth formed 
C)  because it makes it easier to tell them apart 
D)  to determine their age

Question 9

The electron microprobe,a commonly used analytical instrument in geology,focuses a beam of electrons on a sample to determine____

Accepted Answer

A)  the amount of radioactive minerals. 
B)  how atoms are arranged. 
C)  the atomic weight. 
D)  the chemical composition. 
A)  the amount of radioactive minerals. 
B)  how atoms are arranged. 
C)  the atomic weight. 
D)  the chemical composition.

Question 10

Imagine you are holding a rock composed of small sand grains cemented together.What subclassification of sedimentary rock is this?

Accepted Answer

A)  metamorphic 
B)  sedimentary 
C)  crystalline 
D)  igneous 
A)  metamorphic 
B)  sedimentary 
C)  crystalline 
D)  igneous

Which of the following describes a rock?

What is a thin section? How is it made and what is it used for?

Which type of rock forms from the freezing (solidification)of a melt?

What are the three rock groups? Give a brief description of how each is formed.

What type of texture is shown in this photomicrograph?

How would you tell if a rock is crystalline?

What type of rock is shown in the photo below?

Why do geologists classify rocks?

The electron microprobe,a commonly used analytical instrument in geology,focuses a beam of electrons on a sample to determine____

Imagine you are holding a rock composed of small sand grains cemented together.What subclassification of sedimentary rock is this?

Cosmology and the Birth of the Earth

Journey to the Center of the Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

Pages of Earths Past: Sedimentary Rocks

Metamorphism: a Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Crags,cracks,and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of the Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: the Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: the Earths Atmosphere and Climate

Dry Regions: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

a Surface Veneer: Sediments and Soils

the Rock Cycle in the Earth System

the Earths Interior, Revisited: Seismic Layering, Gravity, and the Magnetic Field

Memories of Past Life: Fossils and Evolution

Ever-Changing Landscapes and the Hydrologic Cycle

Prelude: and Just What Is Geology

Filters

Exam 24: Introducing Rocks

Which of the following describes a rock?

What is a thin section? How is it made and what is it used for?

Which type of rock forms from the freezing (solidification)of a melt?

What are the three rock groups? Give a brief description of how each is formed.

What type of texture is shown in this photomicrograph?

How would you tell if a rock is crystalline?

What type of rock is shown in the photo below?

Why do geologists classify rocks?

The electron microprobe,a commonly used analytical instrument in geology,focuses a beam of electrons on a sample to determine____

Imagine you are holding a rock composed of small sand grains cemented together.What subclassification of sedimentary rock is this?

Cosmology and the Birth of the Earth

Journey to the Center of the Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

Pages of Earths Past: Sedimentary Rocks

Metamorphism: a Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Crags,cracks,and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of the Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: the Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: the Earths Atmosphere and Climate

Dry Regions: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

a Surface Veneer: Sediments and Soils

the Rock Cycle in the Earth System

the Earths Interior, Revisited: Seismic Layering, Gravity, and the Magnetic Field

Memories of Past Life: Fossils and Evolution

Ever-Changing Landscapes and the Hydrologic Cycle

Prelude: and Just What Is Geology

Filters