CH 26

Question 1

A mineral is?

Answer 1

Naturally occurring, inorganic solid and crystaline form

Question 2

what are the two most abundant elements in earths crust?

Answer 2

Silicon and Oxygen

Question 3

What does inorganic mean?

Answer 3

Materials that are nonliving

Question 4

What does the arrangement of an atom and the bonds between them reflect about a mineral?

Answer 4

Minerals break, how hard it is, and what type of crystal shape it has

Question 5

What are all of the ways to identify minerals?

Answer 5

Luster, streak, atomic arrangement, cleavage, fracture, hardness, and crystal shape

Question 6

What are the two types of luster?

Answer 6

Metallic and nonmetallic

Question 7

How does metallic luster reflect light?

Answer 7

Very easily like a chrome/ metal surface

Question 8

How does nonmetallic luster reflect light?

Answer 8

Doesn’t reflect easily, like glass

Question 9

How do you perform a streak test?

Answer 9

rubbing a mineral on an unglazed porcelain tile

Question 10

What are the two types of breakage that can happen to minerals?

Answer 10

Cleavage and fracture

Question 11

What is the name of the scale to measure the hardness of a mineral?

Answer 11

Mohs scale of hardness

Question 12

What is the number range on mohs scale of hardness?

Answer 12

1-10

Question 13

How many different crystal shape systems are there?

Answer 13

There are 6 crystal shape systems

Question 14

Minerals grow from the?

Answer 14

minerals grow from the inside out

Question 15

What are the 3 ways minerals can form?

Answer 15

from hot water, molten rock and evaporation

Question 16

What are the two mineral groups?

Answer 16

Silicates and non silicates

Question 17

Which mineral group is the most abundant Earths crust?

Answer 17

Silicate minerals

Question 18

What element are Silica made up of?

Question 19

Nonsilicats do not contain what element?

Answer 19

silicon

Question 20

What mineral is used to make glass?

Answer 20

Quartz

Question 21

Define rock

Answer 21

A rock is a naturally formed mixture containing minerals, rock fragment, and volcanic glass.

Question 22

How are rocks identified?

Answer 22

composition and texture

Question 23

What does the texture of a rock describe about a rock?

Answer 23

The texture of a rock describes the size, shape, and arrangement of the rocks components.

Question 24

Where do intrusive igneous rocks form?

Answer 24

Within earths crust

Question 25

What type of molten rock does intrusive igneous rock from from?

Answer 25

Magma

Question 26

What is the name of the series that illustrates simultaneous crystallization of silicate minerals?

Answer 26

Bowen's reaction series

Question 27

What are the 3 types of magma?

Answer 27

Mafic, Intermediate, and Felsic

Question 28

Which magma type has a low silica content?

Answer 28

Mafic

Question 29

Which magma type has a high silica content?

Answer 29

Felsic

Question 30

Which type of crust has an abundant amount of quartz?

Answer 30

oceanic or continental

Question 31

Which type of crust has little to no quartz?

Answer 31

oceanic crust or deep continental

Question 32

Which type of igneous rock has a coarse grained texture?

Answer 32

Intrusive igneous rocks

Question 33

Which type of igneous rock has fine grained texture?

Answer 33

Because of how slowly it cools

Question 34

Do fine grained rocks cool slowly or quickly?

Answer 34

Quickly

Question 35

What are the two specific texture type of extrusive igneous rock?

Answer 35

vesicular and porphyritic

Question 36

Which texture is the type with holes left behind because of rapid cooling?

Answer 36

Vesicular

Question 37

Which texture is the type with two different crystal sizes because of different cooling rates?

Question 38

What type of rock has a vesicular (holey) texture?

Answer 38

pumice