6.3 and 8 Defintions

Question 1

Flame Test Definition

Answer 1

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

Question 2

Geochemistry Definition

Answer 2

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

Question 3

Hardness Definition

Answer 3

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

Question 4

Lustre Definition

Answer 4

How shiny a mineral is.

Question 5

Mineral Definition

Answer 5

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

Question 6

Mineral Resources Definition

Answer 6

Minerals that are dug up and used.

Question 7

Ore Definition

Answer 7

Rocks containing valuable minerals.

Question 8

Streak Definition

Answer 8

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

Question 9

Agents of Erosion Definition

Answer 9

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

Question 10

Asthenosphere Definition

Answer 10

Top layer of the mantle, composed of plastic rocks.

Question 11

Biogenic Sedimentary Rocks Definition

Answer 11

Sedimentary Rock formed mainly from dead organisms 💀 🌱 🌻

Question 12

Biological Weathering Definition

Answer 12

Living things and their products breaking down rock.

Question 13

Cement Definition

Answer 13

Natural chemicals found in water that can bind sediments together.

Question 14

Chemical sedimentary Rock Definition

Answer 14

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

Question 15

Chemical Weathering Definition

Answer 15

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

Question 16

Contact metamorphism Definition

Answer 16

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

Question 17

Core definition

Answer 17

The innermost layer of the Earth

Question 18

Crust Definition

Answer 18

The outermost layer of the earth composed of solid rock.

Question 19

Deposition Definition

Answer 19

The settling of broken rock material to form sediment.

Question 20

Dynamic metamorphism Definition

Answer 20

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

Question 21

Electrolysis Definition

Answer 21

Use of an electric current to extract minerals from solution.

Question 22

Erosion Definition

Answer 22

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

Question 23

Extraction Definition

Answer 23

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

Question 24

Extrusive igneous rock Definition

Answer 24

Igneous Rock that forms on the surface of the earth.

Question 25

Felsic Definition

Answer 25

Light coloured rocks

Question 26

Foliation Definition

Answer 26

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

Question 27

Fossils Definition

Answer 27

The preserved remains of living organisms.

Question 28

Geology Definition

Answer 28

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

Question 29

Hydrothermal fluids Definition

Answer 29

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

Question 30

Igneous Rock Definition

Answer 30

Rock formed from cooling magma or lava.

Question 31

Interlocking mineral crystals Definition

Answer 31

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

Question 32

Intrusive igneous rock Definition

Answer 32

Igneous Rock that forms below the surface of the earth.

Question 33

Lava Definition

Answer 33

Molten rock that reaches the earths surface.

Question 34

Mafic Definition

Answer 34

Dark coloured rocks

Question 35

Magma Definition

Answer 35

Molten rock that does not reach the earths surface

Question 36

Mantle Definition

Answer 36

A layer of the earth that is below the crust.

Question 37

Metamorphic Rock Definition

Answer 37

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

Question 38

Mineral Definition

Answer 38

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

Question 39

Mineral resources Definition

Answer 39

Minerals that are dug up and used.

Question 40

Ore mineral Definition

Answer 40

A valuable mineral found in rocks.

Question 41

Physical Weathering Definition

Answer 41

The breaking down of rocks by physical processes.

Question 42

Pressure Definition.

Answer 42

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

Question 43

Regional metamorphism Definition

Answer 43

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

Question 44

Rock cycle definition

Answer 44

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

Question 45

Sedimentary Rock Definition

Answer 45

Rock made by sediments being cemented together.

Question 46

Strata Definition

Answer 46

Layers of sedimentary rock.

Question 47

Tailings Definition

Answer 47

Waste materials from a mine or mineral processing plant.

Question 48

Tectonic plates Definition

Answer 48

Massive plates that make up the earths crust.

Question 49

Weathering Definition

Answer 49

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

Question 50

Igneous Rock Formation

Answer 50

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

Question 51

Metamorphic Rock Formation

Answer 51

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

Question 52

Sedimentary Rock Formation

Answer 52

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