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Geography > Earths Interiors > Flashcards

Earths Interiors Flashcards

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1
Q

Endogenous and forces example

A

Earthquake n volcano

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2
Q

Exogenous forces example

A

Temperature, meteorites, tidal force etc

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3
Q

Direct sources

A

Volcano
Surface rocks
Rocks
Drilling
Mining

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4
Q

Indirect sources

A

Earthquake
Gravitational force
Temperature
Meteorites

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5
Q

Mantle is overall ____

A

Solid

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6
Q

Mantle is composed of

A

Silicon n magnesium ( Sima ji )

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7
Q

Core is composed of

A

Nife ji

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8
Q

Crust composed of

A

Sial ji ( silicon and aluminium)

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9
Q

Crust is overall

A

Solid

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10
Q

___ waves travel through crust

A

PSL

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11
Q

__ wave travels through core

A

Only P wave

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12
Q

Inner core is

A

Solid

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13
Q

Outer core is

A

Liquid

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14
Q

Asthenosphere is

A

Solid / fluid

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15
Q

Asthenosphere also called

A

Outer mantle

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16
Q

Discontinuity seperating outer n inner core

A

Lehman

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17
Q

Discontinuity seperating outer n inner crust

A

Conrad

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18
Q

Discontinuity seperating outer n inner mantle or Asthinosphere n inner mantle

A

Repiti

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19
Q

Discontinuity which seperates inner mantle n outer core or core and mantle

A

Guttenberg

20
Q

Discontinuity which seperates outer mantle n inner crust or asthenosphere n inner crust or crust n mantle

A

Moho

21
Q

Lithosphere consists of

A

Crust + outer mantle

22
Q

Tectonic plates present in

A

Lithosphere

23
Q

All earthquake occur in

A

Lithosphere

24
Q

All earthquake occur in

A

Lithosphere

24
Q

All earthquake occur in

A

Lithosphere

24
Q

All earthquake occur in

A

Lithosphere

25
Q

Core of Earth is solid due to

A

Pressure + density+ temp increases with increase in depth

26
Q

Largest Time period

A

EON

27
Q

Smallest time period

A

Age

28
Q

Time period arrangement

A

Eon > era> period> epoach > age

29
Q

Oceanic crust is __

A

Thin n denser than continental crust

30
Q

Crust is of 2 types

A

Oceanic n continental crust

31
Q

Crust is __ in nature

A

Brittle

32
Q

Crust constitutes

A

1% of Earth’s volume

33
Q

Mantle constitutes

A

84% of Earth’s volume

34
Q

Core constitutes

A

15 % of Earth’s volume

35
Q

Lower mantle which state

A

Solid

36
Q

Crust is composed of

A

Basaltic rock

37
Q

Tectonic plates present in

A

Lithosphere

38
Q

Which layer is source of magma

A

Asthenosphere

38
Q

Which layer is source of magma

A

Asthenosphere

39
Q

Lithosphere consists of

A

Crust+asthenosphere

40
Q

Inner core is

A

Solid

41
Q

Outer core is

A

Liquid

42
Q

Density relation

A

Density increases as we go from crust to core

Geography (5 decks)

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