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Science > Earth Science > Flashcards

Earth Science Flashcards

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1
Q

Minerals

A

A mineral is a naturally occurring chemical compound.

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2
Q

Magma

A

hot fluid material below or under the Earth’s crust.

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3
Q

Lithosphere

A

The rigid part of the Earth.

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4
Q

Sediments

A

Matter that falls to the bottom of a liquid.

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5
Q

Lava

A

Liquid that flows on Earth’s crust.

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6
Q

Igneous

A

Also known as volcanic rocks, are formed on the Earth’s crust.

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7
Q

Extrusive

A

A rock that extruded at the earth’s surface as lava or other volcanic deposits.

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8
Q

Abrasive

A

Rough and course.

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9
Q

Scoria

A

Basaltic lava fragments ejected from a volcano.

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10
Q

Pumice

A

A very light volcanic rock that solidifies rapidly above the Earth’s crust.

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11
Q

Basalt

A

A dark, fine grained volcanic rock.

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12
Q

Obsidian

A

A hard, dark, glass like volcanic rock formed by rapid solidification above the crust.

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13
Q

Granite

A

Granite is a common type of intrusive igneous rock.

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14
Q

Batholiths

A

A very large igneous intrusion.

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15
Q

Lustre

A

Lustre is the way light is reflected off a crystal, rock or mineral.

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16
Q

Moh’s Scale

A

The Moh’s Scale is the scale ranking the hardness and the scratch resistance of a mineral.

17
Q

Streak

A

A mark of a different substance or colour.

18
Q

Sedimentary Rocks

A

Sedimentary rocks are formed over a long period of time from particles of sediments.

19
Q

Sandstone

A

Formed by the cementing together of grains of sand.

20
Q

Shale

A

Shale is formed by the silt and clay size mineral that is called mud.

21
Q

Conglomerate

A

Conglomerate is a combination of many different rocks that are formed and cemented to each other.

22
Q

Mudstone

A

Mudstone is a fine-grained sedimentary rock whose original form were clay or mud.

23
Q

Siltstone

A

Siltstone is a sedimentary rock which has a grain size in the silt range. It is also smother than sandstone,and coarser then claystones.

24
Q

Coal

A

Coal is an organic rock that is formed by fossils over a very long period of time.

25
Q

Limestone

A

Limestone is a sedimentary rock which is mostly comprised of skeletal remains of marine animals

26
Q

Rocksalt

A

A salt as a solid form

27
Q

Mineral ore

A

A mineral ore is any mineral the has a sufficient amount of the value element or compound that it can be mined.

28
Q

Mining

A

Mining is where they dig in search for precious and useful minerals or rocks in the Earth’s crust

29
Q

Environmental

A

Environment is where all the animals and plant live, they need this to survive and so do we.

Science (10 decks)

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