Question 1

The elements that occur most frequently in minerals found in the crust are

Accepted Answer

A)  carbon and oxygen.
B)  oxygen and iron.
C)  magnesium and iron.
D)  silicon and oxygen.E) C) and D)
F) A) and C)

Question 2

It is believed that at one time all rocks of Earth were

Accepted Answer

A)  igneous.
B)  clastic sedimentary.
C)  chemical sedimentary.
D)  metamorphic.E) A) and B)
F) A) and D)

Question 3

According to Bowen's reaction series, which mineral crystallizes at the lowest temperature?

Accepted Answer

A)  olivine
B)  quartz
C)  biotite
D)  feldsparE) A) and B)
F) None of the above

Question 4

Which one of the following metamorphic rocks is different from the others?

Accepted Answer

A)  quartzite
B)  slate
C)  schist
D)  gneissE) A) and B)
F) None of the above

Question 5

Which igneous rock has the same chemical composition as basalt, but a different grain size?

Accepted Answer

A)  granite
B)  rhyolite
C)  gabbro
D)  dioriteE) A) and B)
F) B) and D)

Question 6

Which of the following does not belong with the others?

Accepted Answer

A)  quartz
B)  feldspar
C)  hornblende
D)  white micaE) A) and C)
F) B) and C)

Question 7

Fine-grained igneous rocks formed as magma cooled slowly.

Accepted Answer

A) True 
 B)False  False

Question 8

Very rapid cooling of magma produces glass rather than a mineral.

Accepted Answer

A) True 
 B)False

Question 9

Sedimentary rocks were formed from particles or dissolved materials from older rocks.

Accepted Answer

A) True 
 B)False

Question 10

Weathered sediments are pressed and cemented to form

Accepted Answer

A)  sedimentary rocks.
B)  metamorphic rocks.
C)  igneous rocks.
D)  ferromagnesians.E) C) and D)
F) A) and B)

Question 11

Which of the following sedimentary rocks is not classified by the size of clastic sediment that formed the rock?

Accepted Answer

A)  sandstone
B)  shale
C)  conglomerate
D)  limestoneE) A) and B)
F) C) and D)

Question 12

The rock named schist has more foliation than the rock named slate.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is not an example of a silicate mineral?

Accepted Answer

A)  quartz
B)  hornblende
C)  limestone
D)  feldsparE) B) and D)
F) B) and C)

Question 14

Basalt and granite are examples of metamorphic rocks.

Accepted Answer

A) True 
 B)False  False

Question 15

Igneous, sedimentary, and metamorphic rocks have undergone little change since Earth formed.

Accepted Answer

A) True 
 B)False

Question 16

The most common rock type in Earth's crust is

Accepted Answer

A)  igneous.
B)  sedimentary.
C)  metamorphic.
D)  clastic.E) None of the above
F) All of the above

Question 17

Igneous rocks that formed by cooling slowly from a molten magma will have

Accepted Answer

A)  fine grains.
B)  no grains.
C)  coarse grains.
D)  a glassy texture.E) None of the above
F) A) and B)

Question 18

Which of the following minerals is most easily scratched?

Accepted Answer

A)  diamond
B)  quartz
C)  orthoclase
D)  calciteE) None of the above
F) C) and D)

Question 19

An igneous rock with the same chemical composition as granite, but with a different grain texture is

Accepted Answer

A)  basalt.
B)  rhyolite.
C)  gabbro.
D)  andesite.E) A) and B)
F) A) and C)

Question 20

Sandstone is sand that has been consolidated into a solid mass.

Accepted Answer

A) True 
 B)False  True

Exam 17: Rocks and Minerals

The elements that occur most frequently in minerals found in the crust are

Correct AnswerverifiedShow Answer

It is believed that at one time all rocks of Earth were

Correct AnswerverifiedShow Answer

According to Bowen's reaction series, which mineral crystallizes at the lowest temperature?

Correct AnswerverifiedShow Answer

Which one of the following metamorphic rocks is different from the others?

Correct AnswerverifiedShow Answer

Which igneous rock has the same chemical composition as basalt, but a different grain size?

Correct AnswerverifiedShow Answer

Which of the following does not belong with the others?

Correct AnswerverifiedShow Answer

Fine-grained igneous rocks formed as magma cooled slowly.

Correct AnswerverifiedFalse

Very rapid cooling of magma produces glass rather than a mineral.

Correct AnswerverifiedShow Answer

Sedimentary rocks were formed from particles or dissolved materials from older rocks.

Correct AnswerverifiedShow Answer

Weathered sediments are pressed and cemented to form

Correct AnswerverifiedShow Answer

Which of the following sedimentary rocks is not classified by the size of clastic sediment that formed the rock?

Correct AnswerverifiedShow Answer

The rock named schist has more foliation than the rock named slate.

Correct AnswerverifiedShow Answer

Which of the following is not an example of a silicate mineral?

Correct AnswerverifiedShow Answer

Basalt and granite are examples of metamorphic rocks.

Correct AnswerverifiedFalse

Igneous, sedimentary, and metamorphic rocks have undergone little change since Earth formed.

Correct AnswerverifiedShow Answer

The most common rock type in Earth's crust is

Correct AnswerverifiedShow Answer

Igneous rocks that formed by cooling slowly from a molten magma will have

Correct AnswerverifiedShow Answer

Which of the following minerals is most easily scratched?

Correct AnswerverifiedShow Answer

An igneous rock with the same chemical composition as granite, but with a different grain texture is

Correct AnswerverifiedShow Answer

Sandstone is sand that has been consolidated into a solid mass.

Correct AnswerverifiedTrue

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True