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Rocks And Minerals > Chapter 9 > Flashcards

Chapter 9 Flashcards

1
Q

Lithosphere

A

The most outer lay of the earth including the crust and manta

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2
Q

Magma

A

An extremely hot mixture of molten rock and gases just below the earths surface

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3
Q

Sediments

A

Materials broken down by the cause of weather and erosion by either wind or water

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4
Q

Native-elements

A

elements found uncombined in the Earth’s crust

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5
Q

Crystals

A

Crystals are made are a geometrically shaped substance made of atoms and molecules to form one of several different shapes

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6
Q

Lustre

A

Lustre is a mineral that reflects the light and have a lassy, waxy, metallic, dull, pearly, silky look to it

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7
Q

Streak

A

The fine powder that comes of a mineral when you rub it on tile

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8
Q

Hardness

A

Hardness is a measurement on how hard it is to scratch the surface of a solid object. For example diamond Is the hardest mineral with a 10 rating and can scratch objects with a lower hardness rating then 10

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9
Q

Minerals

A

Essential elements for the function of the human body of that are obtained from food

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10
Q

Igneous rocks

A

Form from the calling of lava and cools down to make ingenious rock

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11
Q

Extrusive rock

A

rock that forms when lava cools above the Earth’s surface

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12
Q

Viscosity

A

The property of fluid

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13
Q

Lava

A

the molten, fluid rock that issues from a volcano or volcanic vent.

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14
Q

Molten

A

the molten, fluid rock that issues from a volcano or volcanic vent.

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15
Q

Sconria

A

A dark rock formed from gassy lave that cools quickly

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16
Q

Obsidian

A

A black glasses Rock that breaks into pieces with smooth like surfaces

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17
Q

Pumice

A

Pumice: a rock that forms from quick cooling lave. It’s very light and floats on water because of all the air holes that used to be full of gases

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18
Q

Abrasive

A

A material that scratches other very easily

19
Q

Basalt

A

A dark rock that cools very quickly from lava and is filled with holes that once contained gases

20
Q

Flood plains

A

Open plains beside a river where deposited during floods

21
Q

Glaciers

A

Massive blocks of ice that move rocks and gravel with them

22
Q

Moraine

A

deposit left by movement of a glacier

23
Q

Sandstone

A

Small grains of sand Cemented together

24
Q

Shale

A

Which layer would have formed from sediments beneath the sea?

25
Q

Conglomerate

A

Conglomerate Sedimentary rock containing large particles of various sizes cemented together

26
Q

Mudstone

A

a fine-grained, sedimentary rock without layering

27
Q

Stillstone

A

a sedimentary rock with a particle size between that of sandstone and mudstone

28
Q

Metamorphism

A

A process that changes rock by extreme hate and pressure

29
Q

Metamorphic

A

Rock formed by other rocks using great heat and pressure

30
Q

Marble

A

Formed by great pressure on limestone

31
Q

Genesis

A

Formed by great pressure on granite

32
Q

Slate

A

Formed as a r silt of moderate pressure on a shale rock

33
Q

Stone Age

A

: the time beginning about two million years ago during which early humans made implements of stone

34
Q

Alloy

A

a mixture of a metal with a non-metal or another metal

35
Q

Flint

A

a fine-grained sedimentary rock which leaves a very sharp edge when broken

36
Q

Pressings flake

A

a process in which tool stones such as flint or obsidian were struck with harder stones, such as quartzite, to shear large flakes that could be used to make small tools

37
Q

Fossil

A

Remains of dead animals or plants

38
Q

Parental egoist

A

a scientist who studies fossils

39
Q

Stone Age

A

: the time beginning about two million years ago during which early humans made implements of stone

40
Q

Alloy

A

a mixture of a metal with a non-metal or another metal

41
Q

Flint

A

a fine-grained sedimentary rock which leaves a very sharp edge when broken

42
Q

Pressings flake

A

a process in which tool stones such as flint or obsidian were struck with harder stones, such as quartzite, to shear large flakes that could be used to make small tools

43
Q

Fossil

A

Remains of dead animals or plants

44
Q

Parental egoist

A

a scientist who studies fossils

Rocks And Minerals (4 decks)

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