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Science Test~2018~Term 2~Week 7 > 6.3 and 8 Defintions > Flashcards

6.3 and 8 Defintions Flashcards

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1
Q

Flame Test Definition

A

A test where a mineral glows with a characteristic colour when heated to a high temperature in a flame.
🌈🔥

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2
Q

Geochemistry Definition

A

The use of chemistry to show what minerals are present in an area.

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3
Q

Hardness Definition

A

A measure Of The ability to scratch or be scratched by other Minerals.

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4
Q

Lustre Definition

A

How shiny a mineral is.

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5
Q

Mineral Definition

A

A naturally occurring chemical substance that has not been made by an organism and that has atoms arranged into crystal lattices.

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6
Q

Mineral Resources Definition

A

Minerals that are dug up and used.

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7
Q

Ore Definition

A

Rocks containing valuable minerals.

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8
Q

Streak Definition

A

The colour of the mark left by scraping a mineral on a white unglazed tile.

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9
Q

Agents of Erosion Definition

A

Factors that cause erosion-water,wind,gravity and ice.

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10
Q

Asthenosphere Definition

A

Top layer of the mantle, composed of plastic rocks.

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11
Q

Biogenic Sedimentary Rocks Definition

A

Sedimentary Rock formed mainly from dead organisms 💀 🌱 🌻

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12
Q

Biological Weathering Definition

A

Living things and their products breaking down rock.

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13
Q

Cement Definition

A

Natural chemicals found in water that can bind sediments together.

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14
Q

Chemical sedimentary Rock Definition

A

Sedimentary Rock that forms when water with dissolved minerals inside evaporates and crystals are left behind

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15
Q

Chemical Weathering Definition

A

Water, or chemicals in water or air, reacting and breaking down rock.

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16
Q

Contact metamorphism Definition

A

A type of metamorphism where rock is altered mostly by heat.

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17
Q

Core definition

A

The innermost layer of the Earth

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18
Q

Crust Definition

A

The outermost layer of the earth composed of solid rock.

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19
Q

Deposition Definition

A

The settling of broken rock material to form sediment.

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20
Q

Dynamic metamorphism Definition

A

A type of metamorphism where rock is altered mostly by pressure.

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21
Q

Electrolysis Definition

A

Use of an electric current to extract minerals from solution.

22
Q

Erosion Definition

A

Removal of weathered rock particles from the site of the weathering.

23
Q

Extraction Definition

A

The chemical process of separating metals from the compounds in which they occur.

24
Q

Extrusive igneous rock Definition

A

Igneous Rock that forms on the surface of the earth.

25
Q

Felsic Definition

A

Light coloured rocks

26
Q

Foliation Definition

A

A process where minerals under pressure realign and the rock develops layers or bands.

27
Q

Fossils Definition

A

The preserved remains of living organisms.

28
Q

Geology Definition

A

The study of rocks, their history and the processes that form and change them.

29
Q

Hydrothermal fluids Definition

A

Superheated fluids that circulate through the earths crust, picking up minerals such as gold.

30
Q

Igneous Rock Definition

A

Rock formed from cooling magma or lava.

31
Q

Interlocking mineral crystals Definition

A

Crystals that lock together and grow into each other in a rock.

32
Q

Intrusive igneous rock Definition

A

Igneous Rock that forms below the surface of the earth.

33
Q

Lava Definition

A

Molten rock that reaches the earths surface.

34
Q

Mafic Definition

A

Dark coloured rocks

35
Q

Magma Definition

A

Molten rock that does not reach the earths surface

36
Q

Mantle Definition

A

A layer of the earth that is below the crust.

37
Q

Metamorphic Rock Definition

A

Rock formed when temperature and/or pressure alter existing rock.

38
Q

Mineral Definition

A

A naturally occurring solid substance that is inorganic, has a characteristic crystalline structure and a fairly constant chemical composition.

39
Q

Mineral resources Definition

A

Minerals that are dug up and used.

40
Q

Ore mineral Definition

A

A valuable mineral found in rocks.

41
Q

Physical Weathering Definition

A

The breaking down of rocks by physical processes.

42
Q

Pressure Definition.

A

Physical force exerted on or against a rock unit, measured as force per unit area.

43
Q

Regional metamorphism Definition

A

A type of metamorphism where rock is altered by both heat and pressure over a wide area.

44
Q

Rock cycle definition

A

A model geologists use to explain the endless cycle of change that rocks undergo.

45
Q

Sedimentary Rock Definition

A

Rock made by sediments being cemented together.

46
Q

Strata Definition

A

Layers of sedimentary rock.

47
Q

Tailings Definition

A

Waste materials from a mine or mineral processing plant.

48
Q

Tectonic plates Definition

A

Massive plates that make up the earths crust.

49
Q

Weathering Definition

A

The physical chemical and biological processes that break rocks down into smaller pieces.

50
Q

Igneous Rock Formation

A

An igneous rock is a rock formed when magma or lava rises and cools above or beneath the earths surface

51
Q

Metamorphic Rock Formation

A

Metamorphic rocks form due to heat and pressure acting on current rocks in an area, after the rocks have been buried underground by movement of the earths tectonic plates

52
Q

Sedimentary Rock Formation

A

Sedimentary rocks are rocks formed form sediments which are small rock or crystal particles. The rocks form when the sediments begin to settle in the bottom of lakes or oceans

Science Test~2018~Term 2~Week 7 (3 decks)

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