Question 1

In which type of silicate are the greatest proportion of oxygen atoms shared by pairs of adjacent tetrahedra?

Accepted Answer

A) chain silicates 
B) framework silicates 
C) sheet silicates 
D) Sharing of oxygen atoms does not occur in silicates. 
A) chain silicates 
B) framework silicates 
C) sheet silicates 
D) Sharing of oxygen atoms does not occur in silicates. B

Question 2

Which of the following is NOT a mineral?

Accepted Answer

A) quartz 
B) diamond 
C) petroleum 
D) gold 
A) quartz 
B) diamond 
C) petroleum 
D) gold C

Question 3

What type of rock forms by the solidification of a melt?

Accepted Answer

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

Question 4

The diamonds typically seen in engagement rings today do not display their natural crystal faces but rather __________, which are made by grinding the gem on a spinning lap.

Accepted Answer

A) striations 
B) facets 
C) cleavage planes 
D) facades 
A) striations 
B) facets 
C) cleavage planes 
D) facades

Question 5

The image below shows a mineral with hydrochloric acid applied to it. What mineral is this?

Accepted Answer

A) quartz 
B) halite 
C) calcite 
D) fluorite 
A) quartz 
B) halite 
C) calcite 
D) fluorite

Question 6

The image below shows a mineral specimen of quartz. What is the term for the smoothly curving, clamshell-shaped surface on the sample below?

Accepted Answer

A) conchoidal fracture 
B) facet 
C) cleavage plane 
D) striation 
A) conchoidal fracture 
B) facet 
C) cleavage plane 
D) striation

Question 7

The color of a mineral in powdered form is termed

Accepted Answer

A) color. 
B) specific gravity. 
C) luster. 
D) streak. 
A) color. 
B) specific gravity. 
C) luster. 
D) streak.

Question 8

The __________ class of minerals contains the anion Sᶜ.

Accepted Answer

A) oxides 
B) halides 
C) sulfides 
D) sulfates 
A) oxides 
B) halides 
C) sulfides 
D) sulfates

Question 9

The __________ class of minerals includes a substance commonly known as table salt.

Accepted Answer

A) oxides 
B) carbonates 
C) halides 
D) silicates 
A) oxides 
B) carbonates 
C) halides 
D) silicates

Question 10

What are cleavage and fracture? How are these physical properties similar? How are they different?

Accepted Answer

Cleavage and fracture are terms that ref

Question 11

Which layer of Earth does NOT contain silicate minerals?

Accepted Answer

A) oceanic crust 
B) upper mantle 
C) outer core 
D) continental crust 
A) oceanic crust 
B) upper mantle 
C) outer core 
D) continental crust

Question 12

A __________ is a mineral-lined cavity in a rock.

Accepted Answer

A) crystal 
B) geode 
C) Mohs cavity 
D) precipitate 
A) crystal 
B) geode 
C) Mohs cavity 
D) precipitate

Question 13

Minerals are grouped into mineral classes primarily on a basis of

Accepted Answer

A) chemistry, specifically the cations within the chemical formula. 
B) chemistry, specifically the anions within the chemical formula. 
C) hardness; hard, soft, and medium are the three primary classes. 
D) the number of cleavage directions present. 
A) chemistry, specifically the cations within the chemical formula. 
B) chemistry, specifically the anions within the chemical formula. 
C) hardness; hard, soft, and medium are the three primary classes. 
D) the number of cleavage directions present.

Question 14

With regard to minerals, hardness refers to the ability to resist

Accepted Answer

A) melting. 
B) being scratched. 
C) reactivity to acid. 
D) malleability. 
A) melting. 
B) being scratched. 
C) reactivity to acid. 
D) malleability.

Question 15

Which class of minerals is highly conductive because of metallic bonding?

Accepted Answer

A) native metals 
B) sulfides 
C) silicates 
D) carbonates 
A) native metals 
B) sulfides 
C) silicates 
D) carbonates

Question 16

What are the ways a mineral can crystallize in nature? List and explain.

Accepted Answer

Minerals can form during solidification

Question 17

Describe some examples of minerals that can be harmful and the hazards they pose.

Accepted Answer

Asbestos is a term used to describe a gr

Question 18

The internal ordering of mineral crystals can be detected using

Accepted Answer

A) magnetic resonance imaging (MRI). 
B) X-ray diffraction (XR
D) . 
C) a scanning electron microscope (SEM). 
D) cathodized axial tomography (CAT). 
A) magnetic resonance imaging (MRI). 
B) X-ray diffraction (XR
D) . 
C) a scanning electron microscope (SEM). 
D) cathodized axial tomography (CAT).

Question 19

A facet is a __________ on a gem.

Accepted Answer

A) polished surface 
B) cleavage plane 
C) small impurity 
D) crystal face 
A) polished surface 
B) cleavage plane 
C) small impurity 
D) crystal face

Question 20

The silicates are broken into several groups based on the way silica tetrahedra are

Accepted Answer

A) bonded to anions. 
B) bonded to iron atoms. 
C) arranged and bonded. 
D) arranged and charged 
A) bonded to anions. 
B) bonded to iron atoms. 
C) arranged and bonded. 
D) arranged and charged

Exam 3: Patterns in Nature: Minerals

In which type of silicate are the greatest proportion of oxygen atoms shared by pairs of adjacent tetrahedra?

Which of the following is NOT a mineral?

What type of rock forms by the solidification of a melt?

The diamonds typically seen in engagement rings today do not display their natural crystal faces but rather __________, which are made by grinding the gem on a spinning lap.

The image below shows a mineral with hydrochloric acid applied to it. What mineral is this?

The image below shows a mineral specimen of quartz. What is the term for the smoothly curving, clamshell-shaped surface on the sample below?

The color of a mineral in powdered form is termed

The __________ class of minerals contains the anion Sᶜ.

The __________ class of minerals includes a substance commonly known as table salt.

What are cleavage and fracture? How are these physical properties similar? How are they different?

Which layer of Earth does NOT contain silicate minerals?

A __________ is a mineral-lined cavity in a rock.

Minerals are grouped into mineral classes primarily on a basis of

With regard to minerals, hardness refers to the ability to resist

Which class of minerals is highly conductive because of metallic bonding?

What are the ways a mineral can crystallize in nature? List and explain.

Describe some examples of minerals that can be harmful and the hazards they pose.

The internal ordering of mineral crystals can be detected using

A facet is a __________ on a gem.

The silicates are broken into several groups based on the way silica tetrahedra are

The Earth in Context

The Way the Earth Works: Plate Tectonics

Up From the Inferno: Magma and Igneous Rocks

A Surface Veneer: Sediments and Sedimentary Rocks

A Process of Change: Metamorphism and the Rock Cycle

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

A Violent Pulse: Earthquakes

Deep Time: How Old Is Old

A Biography of Earth

Riches in Rock: Energy and Mineral Resources

Shaping the Earths Surface: Landscapes, the Hydrologic Cycle, and Mass Wasting

Freshwater: Streams, Lakes, and Groundwater

Extreme Realms: Desert and Glacial Landscapes

Ocean Waters: the Blue of the Blue Marble

Marine Geology: the Study of Ocean Basins and Coasts

The Air We Breathe: Introducing Earths Atmosphere

Winds of the World: the Earths Major Weather Systems

Thunderstorms, Tornadoes, and Local Weather Systems

Climate and Climate Change

Our Solar System and Beyond

Our Neighborhood in Space

The Sun, Stars, and Deep Space

Prelude: Welcome to Earth Science

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