LAYERS OF THE EARTH Flashcards
1
Q
Lithosphere
A
2
Q
solid mantle)
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3
Q
The divergence of oceanie plates
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4
Q
yields mid-ocean ridge.
A
5
Q
Crust
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6
Q
•0-100 km
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7
Q
thick
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8
Q
Mantle
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9
Q
Outer
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10
Q
core
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11
Q
InDer
A
12
Q
core
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13
Q
Solid
A
14
Q
Liquid
A
15
Q
• 2900 km
A
16
Q
Core
A
17
Q
- 5100 km
A
18
Q
•6378 km
A
19
Q
Figure 1.2 Layers of the Earth
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20
Q
Crust - the outermost layer of the Earth
A
composed of two
21
Q
layers: continental and oceanic crusts
A
22
Q
• Mantle - the middle layer of the Earth
A
composed of molten
23
Q
rocks called magma
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24
Q
• Asthenosphere - the lower portion of the upper layer of
A
25
Q
the mantle
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composed of solid mobile rocks
26
Q
Core - the innermost layer of the Earth
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27
Q
• Outer core - layer of molten substance
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28
Q
• Inner core - layer of solid substance of iron and nickel
A
