Earth Interior Flashcards

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1
Q

https://quizlet.com/in/415705752/physical-condition-of-earth-interior-flash-cards/?i=26eis9&x=1jqY

A

For quiz

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2
Q

What is earth’s outer and second layer made of?

A

Sedimentary rock and crystalline rock

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3
Q

Sources providing knowledge of earth group

A

Artificial sources
Evidences from theories of origin of the earth
Natural sources volcano, earthquake seismology

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4
Q

Artificial sources for knowing earth interior and how?

A

By density of rocks
Pressure of super incumbents load
Increasing trend of temperature

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5
Q

Natural sources for knowing earth core and how?

A

Volcano

Evidence of seismology

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6
Q

Other 3 name of p wave

A

Primary wave, longitudinal wave, compressional waves

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7
Q

Movement and speed of p-wave

A

Solid and liquid materials but slower in liquid.

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8
Q

S-wave other 3 name

A

Secondary wave, transverse wave, distortional wave

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9
Q

Surface wave 2 other names

A

L-wave, long period waves

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10
Q

Who’s fastest p-wave, s-wave and L-wave

A

P waves then S wave then L wave

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11
Q

Who can travel in liquid?

A

P waves

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12
Q

Who cover the longest distance?

A

L waves

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13
Q

3 Zones of Earth’s Interior

A

Crust
Mantle
Core

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14
Q

The crust is divided into:

A

Upper crust; lowest crust

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15
Q

The mantle is divided into two parts

A

Lower mantle; upper mantle

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16
Q

The Moho discontinuity is the boundary between

A

Lower crust ; upper mantle

17
Q

Lithosphere

A

crust and the upper part of the mantle

18
Q

Asthenosphere

A

The upper portion of the mantle just below the lithosphere, highly viscous, mechanically weak and ductile

19
Q

Gutenberg Discontinuity

A

lies between the mantle and the outer core.