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physical science > chapter 26 > Flashcards

chapter 26 Flashcards

1
Q

a mineral is

A

naturally occurring,inorganic solid, with a crystalline form

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2
Q

what are the two most abundant elements that make up earth’s crust

A

oxygen and silicon

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3
Q

what does inorganic mean

A

non living materials

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4
Q

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

A

how the mineral breaks, how hard it is, an what crystal shape it has

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5
Q

mineral

A

a solid inorganic substance of natural occurrence

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6
Q

streak

A

a long, thin line or mark of a different substance or color from its surroundings

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7
Q

cleavage

A

a sharp division

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8
Q

fracture

A

the cracking or breaking of a hard object

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9
Q

hardness

A

the quality or condition of being hard.

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10
Q

magma

A

hot fluid or semi-fluid material below or within the earth’s crust

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11
Q

What are all of the ways to identify minerals

A

luster, streak, cleavage, fracture, hardness, and crystal shape

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12
Q

What are the two types of luster

A

metal and non-metillac

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13
Q

How does metallic luster reflect light

A

very easily, like a metal surface…

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14
Q

How does nonmetallic luster reflect light

A

glassy appearance

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15
Q

How do you perform a streak test

A

by rubbing a mineral on a unglazed, porcelain tile

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16
Q

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

A

cleavage and fracture

17
Q

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

A

mohs

18
Q

What is the number range on Mohs Scale of Hardness

A

1-10

19
Q

How many different crystal shape systems are there

A

6 shapes

20
Q

Minerals grow from the

A

inside out

21
Q

What are the 3 ways minerals can form

A

hot water, molten rock, and evaporation

22
Q

What are the two mineral groups

A

Silicates and Nonsilicates

23
Q

Which mineral group is the most abundant in Earth’s crust

A

silicates

24
Q

What elements are Silicates made up of

A

oxygen and silicon

25
Q

Nonsilicates do not contain what element

A

silicon

26
Q

What mineral is used to make glass

A

quartz

physical science (8 decks)

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