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6th grade > Rocks And Minerals > Flashcards

Rocks And Minerals Flashcards

1
Q

What are the three types of rocks?

A

Igneous
Sedimentary
Metamorphic

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2
Q

How are rocks classified?

A

According to how they are made

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3
Q

Molten material cools and solidifies

A

Igneous

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4
Q

Extreme pressure and high heat (or chemical change)

A

Metamorphic

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5
Q

Weathering/erosion forms sediments: these sediments then are deposited: then compacted and cemented

A

Sedimentary

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6
Q

What are the two classifications of igneous rock?

A

Extrusive igneous rocks

Intrusive igneous rocks

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7
Q

Which rock forms from lava

A

Extrusive igneous rocks

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8
Q

Which rock forms from magma

A

Intrusive igneous rocks

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9
Q

What are the two classifications of metamorphic rock?

A

Foliated

Nonfoliated

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10
Q

Which metamorphic rock has layers or bands?

A

Foliated

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11
Q

Which metamorphic rock is not banded?

A

Nonfoliated

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12
Q

Identify the classification for the sedimentary rock, limestone

A

Organic sedimentary rock

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13
Q

Identify the classification for the sedimentary rock m; sandstone

A

Clastic sedimentary rock

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14
Q

Identify the classification for the sedimentary rock; Haltite

A

Chemical sedimentary rock

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15
Q

Quarts is a mineral; however basalt and granite are __________.

A

Rocks

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16
Q

The mantle consists of what type of material?

A

Molten material (magma)

17
Q

A ______ is always a mixture of minerals, organic matter, volcanic glass, or other materials.

A

Rock

18
Q

The ______________ shows that each type of rock can provide materials to make other rocks, form other rocks, and be change the forces at Earth’s surface.

A

Rock cycle

19
Q

Sedimentary rocks are changed to sediments by _____________.

A

Weathering\erosion

20
Q

Crystals that form in slowly coolEd magna produce ____________ mineral grains.

A

Large

21
Q

What are the five characteristics of minerals?

A 
Solid
Naturally occurring
Inorganic
Fixed chemical structure
Crystal structure
22
Q

A minerals streak can be found by rubbing the mineral against a_________.

A

Steak plate

23
Q

The special property that causes some minerals to glow is ___________.

A

Florescence

24
Q

How light is reflected from my mineral

A

Luster

25
Q

The tendency of a mineral to break along a smooth flat surface

A

Cleavage

26
Q

Not formed from living things or the remains of living things

A

Inorganic

27
Q

A measure of how easily a mineral can be scratched

A

Hardness

28
Q

The distinctive yellow of gold

A

Color

29
Q

Color of a powdered mineral

A

Streak

30
Q

The process in which pressure from the upper layers of sediment pushes down on the lower layers, causing the sediments to stick together and form a solid rock

A

Compaction

31
Q

The movement of weathered material

A

Erosion

32
Q

A kind of organic sedimentary rock

A

Limestone

33
Q

The tendency of minerals to break with rough or jagged surfaces

A

Fracture

34
Q

The process in which minerals hold sediment together, like glue, making a clastic sedimentary rock.

A

Cementation

35
Q

A kind of foliated metamorphic rock

A

Slate

36
Q

What is the hardest mineral?

A

Diamond

37
Q

What is the softest mineral?

A

Talc

38
Q

What is the hardness of your fingernail?

A

About a 2.2 on the Mohs scale of hardness

6th grade (5 decks)

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