Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

WORLD GEOGRAPHY > INTERIOR OF EARTH > Flashcards

INTERIOR OF EARTH Flashcards

1
Q

MAGNETISM OF EARTH IS CAUSED BY?

A

CONVECTIONAL CURRENTS IN OUTER CORE.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

EPICENTER

A

ON THE SURFACE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

HYPOCENTRE

A

INSIDE THE EARTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

P WAVES

A

LONGITUDINAL (COMPRESSIONAL/PRESSURE WAVES)
CAN TRAVEL IN ALL MEDIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

S WAVES

A

TRANSVERSE (SHEAR/ DISTORTIONAL WAVES)
ONLY TRAVEL THROUGH SOLID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

SURFACE WAVES

A

LOW FREQUENCY TRANSVERSE WAVES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

SHADOW ZONE OF P WAVES

A

105 - 145

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

SHADOW ZONE OF S WAVES

A

105 - 105

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

AVERAGE DENSITY OF CRUST

A

2.7G/CM3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

MOST ABUNDANT ELEMENTS ON EARTH’S CRUST

A

OS CIA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

MOST ABUNDANT ELEMENTS ON EARTH

A

iOS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

LITHOSPHERE

A

CRUST + UPPER PORTION OF MANTLE (10 - 200 km)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

MANTLE

A

67% OF TOTAL MASS AND 83% OF TOTAL VOLUME
COMPOSED OF SILICATE ROCKS THAT ARE RICH IN Fe and Mg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

DENSITY OF UPPER MANTLE

A

2.9 - 3.3 G/CM3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

DENSITY OF LOWER MANTLE

A

3.3 - 5.7 G/CM3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

ASTHENOSPHERE

A

EXTENDING UPTO 80 - 200KM
UPPER PORTION OF THE MANTLE

17
Q

OUTER CORE

A

BETWEEN 2900 - 5100 KM
NIFE
LIQUID

18
Q

DENSITY OF OUTER CORE

A

9.9 - 12.2G/CM3

19
Q

EARTH’S MAGNETIC FIELD

A

CC IN OUTER CORE + CORIOLIS EFFECT

20
Q

INNER CORE

A

PRMARILY IRON + NICAL
16% VOLUME & 33% OF THE MASS

21
Q

DENSITY OF INNER CORE

A

12.6 - 13G/CM3

22
Q

CRUST EXTENSION

A

0 - 70 KM
(OUTER CRUST : 0 - 35KM)
INNER CRUST: 35 - 70KM)

23
Q

MANTLE EXTENSION

A

70 - 2900 KM
(OUTER MANTLE: 70 - 700KM)
(INNER MANTLE: 700 - 2900KM)

24
Q

CORE EXTENSION

A

2900 - 6371 KM
(OUTER CORE: 2900- 5100KM)
(INNER CORE: 5100-6400 KM)

25
Q

REPITI DISCONTIUITY

A

UPPER MATLE & LOWER MANTLE

26
Q

GUTTENBERG DISCONTINUITY

A

LOWER MANTLE & OUTER CORE

27
Q

CONORD DISCONTINUITY

A

UPPER CRUST & LOWER CRUST

28
Q

MOHO DISCONTINUITY

A

LOWER CRUST & UPPER MANTLE

29
Q

LEHMAN DISCONTINUITY

A

OUTER CORE & INNER CORE

30
Q

AVERAGE DENSITY OF EARTH

A

5.51 G/CM3

WORLD GEOGRAPHY (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions