Question 1

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

Accepted Answer

A) True 
 B)False  True

Question 2

Fine-grained igneous rocks formed as magma cooled slowly.

Accepted Answer

A) True 
 B)False  False

Question 3

Basalt and granite are examples of metamorphic rocks.

Accepted Answer

A) True 
 B)False  False

Question 4

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

Accepted Answer

A) granite 
B) rhyolite 
C) gabbro 
D) diorite 
A) granite 
B) rhyolite 
C) gabbro 
D) diorite

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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

Question 7

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) limestone 
A) sandstone 
B) shale 
C) conglomerate 
D) limestone

Question 8

Which of the following minerals is most easily scratched?

Accepted Answer

A) diamond 
B) quartz 
C) orthoclase 
D) calcite 
A) diamond 
B) quartz 
C) orthoclase 
D) calcite

Question 9

Which of the following does not belong with the others?

Accepted Answer

A) quartz 
B) feldspar 
C) hornblende 
D) white mica 
A) quartz 
B) feldspar 
C) hornblende 
D) white mica

Question 10

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

Accepted Answer

A) olivine 
B) quartz 
C) biotite 
D) feldspar 
A) olivine 
B) quartz 
C) biotite 
D) feldspar

Question 11

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. 
A) basalt. 
B) rhyolite. 
C) gabbro. 
D) andesite.

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

The most common rock type in Earth's crust is

Accepted Answer

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

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

Question 17

Weathered sediments are pressed and cemented to form

Accepted Answer

A) sedimentary rocks. 
B) metamorphic rocks. 
C) igneous rocks. 
D) ferromagnesians. 
A) sedimentary rocks. 
B) metamorphic rocks. 
C) igneous rocks. 
D) ferromagnesians.

Question 18

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. 
A) fine grains. 
B) no grains. 
C) coarse grains. 
D) a glassy texture.

Question 19

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

Accepted Answer

A) quartzite 
B) slate 
C) schist 
D) gneiss 
A) quartzite 
B) slate 
C) schist 
D) gneiss

Question 20

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

Accepted Answer

A) quartz 
B) hornblende 
C) limestone 
D) feldspar 
A) quartz 
B) hornblende 
C) limestone 
D) feldspar

Exam 17: Rocks and Minerals

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

Fine-grained igneous rocks formed as magma cooled slowly.

Basalt and granite are examples of metamorphic rocks.

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

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

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

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

Which of the following minerals is most easily scratched?

Which of the following does not belong with the others?

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

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

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

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

The most common rock type in Earth's crust is

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

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

Weathered sediments are pressed and cemented to form

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

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

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

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