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unit 5 topic 1-3 > 1-3 glossary > Flashcards

1-3 glossary Flashcards

1
Q

crust

A

the thin outermost layer of earth

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2
Q

rock

A

a non living crystalline material

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3
Q

element

A

a pure substance or a compound

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4
Q

crystals

A

a mineral from the earths crust

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5
Q

lusture

A

the shine of a crystal/mineral

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6
Q

streak

A

the colour of a powder that comes of crystals

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7
Q

cleavage

A

the seperating layers of crystals

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8
Q

fracture

A

a rough sharp edge of a mineral

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9
Q

mineral

A

a more natural crystaline material

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10
Q

igneous

A

a rock thats been solidifed from lava or magma

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11
Q

magma

A

melted rock formed under earths crust

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12
Q

intrusive rock

A

a type of rock formed when lava cools

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13
Q

exstrusive rock

A

a type of igneous formed when magma cools above the earths crust

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14
Q

sedimetery rock

A

a rock formed by loose materials

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15
Q

sediment

A

loose materials such as rock bits and organic remains

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16
Q

compaction

A
17
Q

cementation

A

when particals are help together by other material

18
Q

metamorphic rock

A

a type of rock made by high heat and pressure that changes its form

19
Q

parent rock

A

the orginal rock before it goes through the rock cycle

20
Q

compost

A

something made out of plant matter

21
Q

humus

A

a dark coloured portion of soil in compost

22
Q

fertile

A

a type of soild that helps plant growth

23
Q

soil profile

A

the layers of soil and how there divided

24
Q

top soil

A

a dark rich soil that contains humus and rock

25
Q

leaching

A

is the removal of soil materials dissolved in water

26
Q

mechanical weathering

A

physical break up

27
Q

frost wdging

A

when water gets into cracks and breaks things

28
Q

chemical weathering

A

breaks down materials with chemicals

29
Q

biological weathering

A

the breakdown of rocks caused by plants animals bacteria and fungi

30
Q

straitons

A

the scratches on rocks

31
Q

meandering

A

when the river is going super slow and it still digs

32
Q

erosin

A

the movements of rock from one place to another

33
Q

abrasion

A

exstreme exsamples of wind erosin

34
Q

moraines

A

when glaciours begin to melt and retreat

35
Q

weathering

A

rocks can be weatherd mechachincaly, chemicaly,biologicaly

unit 5 topic 1-3 (1 decks)

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