Question 1

Which of the following is not an ore mineral?

Accepted Answer

A)  feldspar 
B)  galena 
C)  gold 
D)  copper 
A)  feldspar 
B)  galena 
C)  gold 
D)  copper

Question 2

Quartz makes up __________ percent of the Earth's crust.

Accepted Answer

A)  more than 50 
B)  32 
C)  12 
D)  0.1 
A)  more than 50 
B)  32 
C)  12 
D)  0.1

Question 3

Ninety-two percent of the Earth's crust is composed of __________ minerals.

Accepted Answer

A)  silicate 
B)  sulfide 
C)  oxide 
D)  carbonate 
A)  silicate 
B)  sulfide 
C)  oxide 
D)  carbonate

Question 4

A/an __________ is a naturally occurring inorganic solid with a characteristic chemical composition and a crystalline structure.

Accepted Answer

The answer of A/an __________ is a naturally occurring inorganic...

Question 5

The silicate tetrahedron consists of __________ surrounded by __________.

Accepted Answer

A)  four central silicon ions, one oxygen ion 
B)  four central oxygen ions, four silicon ions 
C)  one central oxygen ion, three silicon ions 
D)  one central silicon ion, four oxygen ions 
A)  four central silicon ions, one oxygen ion 
B)  four central oxygen ions, four silicon ions 
C)  one central oxygen ion, three silicon ions 
D)  one central silicon ion, four oxygen ions

Question 6

Calcite is the hardest mineral.

Accepted Answer

A) True 
 B)False

Question 7

How many chemical elements occur naturally in the Earth's crust?

Accepted Answer

A)  8 
B)  40 
C)  88 
D)  108 
A)  8 
B)  40 
C)  88 
D)  108

Question 8

__________ __________ is the weight of a substance relative to that of an equal volume of water.

Accepted Answer

A)  Specific volume 
B)  Specific gravity 
C)  Specific luster 
D)  Specific composition 
A)  Specific volume 
B)  Specific gravity 
C)  Specific luster 
D)  Specific composition

Question 9

Limestone is a:

Accepted Answer

A)  sulfide mineral. 
B)  phosphate mineral. 
C)  silicate mineral. 
D)  carbonate mineral. 
A)  sulfide mineral. 
B)  phosphate mineral. 
C)  silicate mineral. 
D)  carbonate mineral.

Question 10

A scale that compares the resistance of the surfaces of minerals to scratching is __________ __________ __________.

Accepted Answer

The answer of A scale that compares the resistance of...

Question 11

Which of the following does not describe a mineral?

Accepted Answer

A)  a fundamental form of matter that cannot be broken into simpler substances by ordinary chemical processes 
B)  the building blocks of rocks 
C)  a naturally occurring inorganic solid with a characteristic chemical composition and a crystalline structure 
D)  natural gems 
A)  a fundamental form of matter that cannot be broken into simpler substances by ordinary chemical processes 
B)  the building blocks of rocks 
C)  a naturally occurring inorganic solid with a characteristic chemical composition and a crystalline structure 
D)  natural gems

Question 12

Only atoms with a positive charge are called ions.

Accepted Answer

A) True 
 B)False

Question 13

Gold and silver are examples of native elements.

Accepted Answer

A) True 
 B)False

Question 14

Hardness is:

Accepted Answer

A)  the resistance of a mineral to fracture. 
B)  the resistance of a mineral to shattering. 
C)  dependent on a mineral's flexibility. 
D)  the resistance of a mineral to scratching. 
A)  the resistance of a mineral to fracture. 
B)  the resistance of a mineral to shattering. 
C)  dependent on a mineral's flexibility. 
D)  the resistance of a mineral to scratching.

Question 15

On the Mohs hardness scale, the hardest mineral is:

Accepted Answer

A)  gypsum. 
B)  feldspar. 
C)  quartz. 
D)  diamond. 
A)  gypsum. 
B)  feldspar. 
C)  quartz. 
D)  diamond.

Question 16

Halite (table salt) is composed of sodium and chlorine ions.

Accepted Answer

A) True 
 B)False

Question 17

A/an __________ is a mineral that is prized for its rarity and beauty.

Accepted Answer

The answer of A/an __________ is a mineral that is...

Question 18

__________ is the color of a fine powder of a mineral.

Accepted Answer

The answer of __________ is the color of a fine...

Question 19

Which physical properties distinguish a particular mineral from all others?

Accepted Answer

A)  fracture and faceting 
B)  specific gravity 
C)  chemical composition and crystalline structure 
D)  streak and luster 
A)  fracture and faceting 
B)  specific gravity 
C)  chemical composition and crystalline structure 
D)  streak and luster

Question 20

Quartz consists of silicon and calcium.

Accepted Answer

A) True 
 B)False

Exam 2: Minerals

Which of the following is not an ore mineral?

Quartz makes up __________ percent of the Earth's crust.

Ninety-two percent of the Earth's crust is composed of __________ minerals.

A/an __________ is a naturally occurring inorganic solid with a characteristic chemical composition and a crystalline structure.

The silicate tetrahedron consists of __________ surrounded by __________.

Calcite is the hardest mineral.

How many chemical elements occur naturally in the Earth's crust?

__________ __________ is the weight of a substance relative to that of an equal volume of water.

Limestone is a:

A scale that compares the resistance of the surfaces of minerals to scratching is __________ __________ __________.

Which of the following does not describe a mineral?

Only atoms with a positive charge are called ions.

Gold and silver are examples of native elements.

Hardness is:

On the Mohs hardness scale, the hardest mineral is:

Halite (table salt) is composed of sodium and chlorine ions.

A/an __________ is a mineral that is prized for its rarity and beauty.

__________ is the color of a fine powder of a mineral.

Which physical properties distinguish a particular mineral from all others?

Quartz consists of silicon and calcium.

Earth Systems

Rocks

Geologic Time: a Story in the Rocks

Geologic Resources

The Active Earth: Plate Tectonics

Earthquakes and the Earths Structure

Volcanoes and Plutons

Mountains

Weathering, Soil, and Erosion

Fresh Water: Streams, Lakes, Ground Water, and Wetlands

Water Resources

Glaciers and Ice Ages

Deserts and Wind

Ocean Basins

Oceans and Coastlines

The Atmosphere

Energy Balance in the Atmosphere

Moisture, Clouds, and Weather

Climate

Climate Change

Motions in the Heavens

Planets and Their Moons

Stars, Space, and Galaxies

Filters

The silicate tetrahedron consists of surrounded by .

is the weight of a substance relative to that of an equal volume of water.

A scale that compares the resistance of the surfaces of minerals to scratching is __.