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Science > Science rocks and minerals > Flashcards

Science rocks and minerals Flashcards

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1
Q

Mineral

A

Building blocks of rocks

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2
Q

Rock

A

naturally occurring, non-living, Earth mineral made of minerals

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3
Q

Streak

A

Color of mineral in powdered form

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4
Q

Density

A

Mass divided by volume

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5
Q

Luster

A

The way a mineral reflects or absorbs light on its surface

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6
Q

Color

A

The color of a mineral

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7
Q

Hardness

A

Resistance to being scratched, use Mohs Hardness scale

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8
Q

Cleavage

A

Breaks with smooth flat surfaces

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9
Q

Fracture

A

Breaks with uneven surfaces

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10
Q

Sedimentary

A

formed from sediment deposited by water or air, made when sediments are “Cemented” together.

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11
Q

Metamorphic

A

When you apply heat and pressure, found deep under earth, the faster it cools the smaller crystals it has, the longer it cools the bigger crystals it has

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12
Q

Igneous

A

When magma cools off and forms crystals

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13
Q

Inorganic

A

non-living or not made by living things

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14
Q

Mohs Scale

A

telling how hard a mineral is by seeing what can and can’t scratch it

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15
Q

5 things a mineral must have in order to be considered a mineral

A

-Exist as a solid under normal conditions
-Naturally occurring on earth, NOT MAN MADE
-Inorganic- not living or from or made by living thing
-Made of specific combination of chemicals
-Atoms are arranged in specific structure, this affects their physical properties

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16
Q

The process of the rock cycle and how one type can be converted into another type

A

Magma, Erosion, Heat, and Pressure can change a rock

17
Q

How we go about testing a mineral to identify it

A

we use the streak, luster, hardness, cleavage, fracture, density and color

18
Q

Levels of the Mohs Scale

A

Fingernail 1 - 2.5
Penny 3 - 3.5
Iron nail 4 - 4.5
Glass 5 - 5.5
Can’t be scratched 7-10

19
Q

What rocks can fossils be found in

A

Fossils are most common in sedimentary rocks, sometimes found in metamorphic rocks, but never found in igneous rocks.

Science (3 decks)

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