Question 1

Granite is a type of rock that forms deep underground from magma that cools very slowly.What type of rock is granite?

Accepted Answer

A)   igneous
B)   sedimentary
C)   metamorphicD) All of the above
E) A) and B)

Question 2

Which of the following would NOT be considered a rock?

Accepted Answer

A)   a natural material composed of interlocking crystals
B)   a natural pile of unconsolidated sand
C)   a natural material made of frothy glass
D)   a natural material made of shells cemented togetherE) B) and C)
F) A) and D) B

Question 3

Composition describes the

Accepted Answer

A)   degree of compaction and cementation in a rock.
B)   arrangement of minerals in a rock.
C)   presence of layers in a rock.
D)   proportion of chemicals that make up a rock.E) A) and B)
F) B) and C)

Question 4

If a rock is subjected to elevated levels of heat and pressure,a(n) ________ rock will form.

Accepted Answer

A)   igneous
B)   molten
C)   metamorphic
D)   sedimentaryE) B) and C)
F) A) and D)

Question 5

Abraham Werner proposed a classification scheme for rocks based on their mode of formation.What were he and his followers called? Also,briefly explain this system.

Accepted Answer

Neptunists.Werner suggested that primary...

Question 6

What type of rock would you most expect to find forming in a beach environment?

Accepted Answer

A)   crystalline
B)   sedimentary
C)   metamorphic
D)   igneousE) B) and D)
F) B) and C)

Question 7

Which of the following is a reliable characteristic that can be used to classify a rock?

Accepted Answer

A)   mineral stability
B)   texture
C)   water content
D)   degree of weatheringE) B) and D)
F) All of the above

Question 8

What is the definition of rock "texture"?

Accepted Answer

Rock texture refers to the con...

Question 9

In which of the following settings would you be most likely to find sedimentary rocks forming?

Accepted Answer

A)   deep within a mountain range
B)   inside a lava flow on Hawaii
C)   at a mid-ocean ridge
D)   at the bottom of the Mediterranean SeaE) B) and C)
F) A) and D)

Question 10

What type of rock is shown in the photo?

Accepted Answer

A)   sedimentary
B)   igneous
C)   metamorphic
D)   crystallineE) A) and D)
F) A) and C)

Question 11

Rocks are ________ and thus not human-made.

Accepted Answer

A)   coherent
B)   synthetic
C)   rare
D)   naturalE) A) and B)
F) A) and C) D

Question 12

The photo shown below is a(n) ________ that geologists can use to study the minerals in the rock.

Accepted Answer

A)   hand sample
B)   thin section
C)   outcrop
D)   X-rayE) None of the above
F) C) and D)

Question 13

Explain why a piece of concrete is not a rock.

Accepted Answer

Although concrete is a solid a...

Question 14

Which of the following best explains how a metamorphic rock forms?

Accepted Answer

A)   freezing (solidification) from a molten material
B)   recrystallization due to changes in pressure and temperature
C)   solidification of pieces of weathered,preexisting rocks
D)   fast (instant) cooling of a molten materialE) B) and C)
F) A) and B)

Question 15

What do geologists call the layering seen in this photo?

Accepted Answer

A)   tilted bedding
B)   metamorphic foliation
C)   sedimentary layers
D)   cleavage planesE) None of the above
F) C) and D)

Question 16

What can geologists most easily determine by analyzing a thin section?

Accepted Answer

A)   whether or not the rock is molten
B)   what chemical constituents make up the rock
C)   what minerals constitute the rock and how grains connect to one another
D)   the arrangement of atomsE) C) and D)
F) B) and C)

Question 17

What type of rock is being formed in the photo?

Accepted Answer

A)   igneous
B)   sedimentary
C)   metamorphic
D)   extrusiveE) A) and B)
F) All of the above

Question 18

What is the difference between a rock that is cemented together and a rock that has a crystalline texture?

Accepted Answer

A)   A rock that is cemented contains rounded grains that are held together by cement,whereas a crystalline rock contains angular grains held together by cement.
B)   Crystalline rocks contain minerals,while cemented rocks contain rock fragments; both are held together by static forces between grains.
C)   Minerals are held together as interlocking pieces in a cemented rock,whereas grains are held together by minerals precipitated in pore spaces in a crystalline rock.
D)   Minerals are held together as interlocking pieces in a crystalline rock,whereas in a cemented rock the grains do not fit together like puzzle pieces and instead are held together by cement.E) None of the above
F) A) and B)

Question 19

Which type of rock is formed by precipitation of minerals from a solution?

Accepted Answer

A)   metamorphic
B)   glassy
C)   sedimentary
D)   igneousE) A) and C)
F) A) and D) C

Question 20

What type of rock would you expect to form from volcanic activity?

Accepted Answer

A)   sedimentary
B)   biologic
C)   metamorphic
D)   igneousE) A) and B)
F) B) and D)

Exam 24: Introducing Rocks

Granite is a type of rock that forms deep underground from magma that cools very slowly.What type of rock is granite?

Correct AnswerverifiedShow Answer

Which of the following would NOT be considered a rock?

Correct AnswerverifiedB

Composition describes the

Correct AnswerverifiedShow Answer

If a rock is subjected to elevated levels of heat and pressure,a(n) ________ rock will form.

Correct AnswerverifiedShow Answer

Abraham Werner proposed a classification scheme for rocks based on their mode of formation.What were he and his followers called? Also,briefly explain this system.

Correct AnswerverifiedNeptunists.Werner suggested that primary...View AnswerShow Answer

What type of rock would you most expect to find forming in a beach environment?

Correct AnswerverifiedShow Answer

Which of the following is a reliable characteristic that can be used to classify a rock?

Correct AnswerverifiedShow Answer

What is the definition of rock "texture"?

Correct AnswerverifiedRock texture refers to the con...View AnswerShow Answer

In which of the following settings would you be most likely to find sedimentary rocks forming?

Correct AnswerverifiedShow Answer

What type of rock is shown in the photo?

Correct AnswerverifiedShow Answer

Rocks are ________ and thus not human-made.

Correct AnswerverifiedD

The photo shown below is a(n) ________ that geologists can use to study the minerals in the rock.

Correct AnswerverifiedShow Answer

Explain why a piece of concrete is not a rock.

Correct AnswerverifiedAlthough concrete is a solid a...View AnswerShow Answer

Which of the following best explains how a metamorphic rock forms?

Correct AnswerverifiedShow Answer

What do geologists call the layering seen in this photo?

Correct AnswerverifiedShow Answer

What can geologists most easily determine by analyzing a thin section?

Correct AnswerverifiedShow Answer

What type of rock is being formed in the photo?

Correct AnswerverifiedShow Answer

What is the difference between a rock that is cemented together and a rock that has a crystalline texture?

Correct AnswerverifiedShow Answer

Which type of rock is formed by precipitation of minerals from a solution?

Correct AnswerverifiedC

What type of rock would you expect to form from volcanic activity?

Correct AnswerverifiedShow Answer

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B

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Neptunists.Werner suggested that primary...
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Rock texture refers to the con...
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D

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Although concrete is a solid a...
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C

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