Ch 26

Question 1

is a naturally occurring inorganic solid with a crystalline

Answer 1

mineral

Question 2

the color of a mineral in powdered form

Answer 2

streak

Question 3

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

Answer 3

cleavage

Question 4

minerals the break with irregular surfaces exhibit

Answer 4

fracture

Question 5

the physical property that measures a minerals resistance to scratching

Answer 5

hardness

Question 6

molten rock material inside earths

Answer 6

magma

Question 7

what are the two most abundant elements that make up the earths crust

Answer 7

oxygen,silicon

Question 8

a mineral is

Answer 8

naturally occurring inorganic solid, and solid with crystal form

Question 9

what does inorganic mean

Answer 9

materials that are nonliving

Question 10

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

Answer 10

breaks, how hard is it ,what kind of crystal shape it has

Question 11

what are all of the ways to identify minerals

Answer 11

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

Question 12

what are the two types of luster

Answer 12

metallic and nonmetallic

Question 13

how does metallic luster reflect light

Answer 13

very easily like a metal surface

Question 14

how does nonmetallic luster reflect light

Answer 14

doesnt reflect as smoothly

Question 15

how do you perform a streak test

Answer 15

you rub a mineral across an unglazed porcelain

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 to measure the hardness of a mineral

Answer 17

Mohs scale of hardness

Question 18

what is the range on the mohs scale of hardness

Answer 18

1-10

Question 19

how many different crystal shape systems are there

Answer 19

6

Question 20

minerals grow from the

Answer 20

minerals grow from the inside out

Question 21

what are the three ways minerals can form

Question 22

what are the two mineral groups

Answer 22

evaporation,hot water,molten rock

Question 23

which group is the most abundant in Earths crust

Answer 23

silicate minerals

Question 24

what elements are silicates made up of

Question 25

nonsilicates do not contain what element

Answer 25

does not contain silicon

Question 26

what mineral is used to make glass

Question 27

define rock

Answer 27

is a naturally formed mixture containing minerals,rock fragments, and volcanic gas

Question 28

how are rocks identified

Answer 28

by their composition and texture

Question 29

what does the texture of a rock describe about a rock

Answer 29

the size shape, and arrangement of the rocks components

Question 30

where do intrusive igneous rocks form

Answer 30

within the crust

Question 31

what type of molten rock does intrusive igneous rocks form from

Answer 31

magma

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 magma type has a low silica content

Answer 34

mafic

Question 35

which type has a high silica content

Answer 35

felsic

Question 36

which type of crust has an abundant amount of quartz(oceanic or continental)

Answer 36

continental

Question 37

which type of crust has little to no quartz

Answer 37

deep continental or oceanic

Question 38

which type of igneous rock has a coarse grained texture

Answer 38

intrusive igneous rock

Question 39

which type of igneous rock has a fine grained texture

Answer 39

extrusive igneous rock

Question 40

do fine grained rocks slowly or quickly

Answer 40

quickly

Question 41

what are the two specific texture types for extrusive igneous rock

Answer 41

vesicular, 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 rates

Answer 43

porphyritic

Question 44

what type of rock has vesicular(holey) texture

Answer 44

Pumice