CH 26

Question 1

naturally occurring inorganic solid

Answer 1

MIneral

Question 2

a color of a material in a powder form

Answer 2

streak

Question 3

when a mineral breaks along preferred planes of weakness creating sets of smooth parallel sides

Answer 3

cleavage

Question 4

minerals that break unevenly

Answer 4

fracture

Question 5

a minerals resistance to scratching

Answer 5

hardness

Question 6

molten rock material inside of the Earth

Answer 6

magma

Question 7

what are the two most abundant elements in earths crust

Answer 7

Silicon and oxygen

Question 8

what does inorganic mean

Answer 8

materials that are nonliving

Question 9

a mineral is

Answer 9

naturally occurring inorganic solid

Question 10

what does the arrangement of an atom and the bonds between them reflect about the mineral

Answer 10

it reflects the minerals physical properties

Question 11

what are all the ways to identify minerals

Answer 11

streak, luster, fracture, crystal shape, atomic structure, cleavage,hardness

Question 12

what are the two types of luster

Answer 12

nonmetallic and metallic

Question 13

how does metallic luster reflect light

Answer 13

like a metal

Question 14

how does nonmetallic luster reflect light

Answer 14

like glass

Question 15

how do you perform a streak test

Answer 15

rub a mineral across an unglazed porcelain tile

Question 16

what are the two types of breakage that can happen to minerals

Answer 16

cleavage and fracture

Question 17

what is the name of the scale that measures the hardness of a mineral

Answer 17

MOHS

Question 18

what is the number range on Mohs scale of hardness

Answer 18

1-10

Question 19

How many different crystal shape systems are there

Answer 19

6

Question 20

minerals grew from the

Answer 20

inside out

Question 21

what are the three ways minerals form

Answer 21

evaporation water vapor or magma

Question 22

what are the two mineral groups

Answer 22

silicates non silicates

Question 23

which mineral group is the most abundant in Earths crust

Answer 23

silicates

Question 24

what elements are silicates made up of

Answer 24

silicon

Question 25

nonsilicates do not contain what element

Answer 25

silicon

Question 26

what mineral is used to make glass

Answer 26

quartz

Question 27

define rock

Answer 27

naturally formed mixture

Question 28

how are rocks identified

Answer 28

compostition and texture

Question 29

what does the texture of a rock describes about a rock

Answer 29

size shape and arrangement of components

Question 30

where do intrusive igneous rocks form

Answer 30

underground

Question 31

what type of molten rock does intrusive igneous rocks form

Answer 31

coarse rock like granite

Question 32

what is the name of the series that illustrates simultaneous crystallization of silicate minerals

Answer 32

bowen's reaction series

Question 33

what are the 3 types of magma

Answer 33

mafic intermediate felsic

Question 34

which type has a low silica content

Answer 34

mafic

Question 35

which magma type has a high silica content

Answer 35

felsic

Question 36

which type of crust has an abundant of quartz

Answer 36

continental

Question 37

which type of crust has little to no quartz

Answer 37

deep continental and oceanix

Question 38

`which type of igneous rock a coarse grained texture

Answer 38

intrusive

Question 39

`which type of igneous rock a fine grained texture

Answer 39

extrusive

Question 40

do fine grained rocks cool fast or slow

Answer 40

fast

Question 41

what are the two specific texture types for extrusive igneous rock

Answer 41

vesicular and porphyritic

Question 42

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

Answer 42

vesicular

Question 43

which texture is the type with two different crystal sizes because of different cooling rate

Answer 43

porphyritic

Question 44

what type of rock has a vesicular texture

Answer 44

pumus