functional layers of the Earth Flashcards

1
Q

78% nitrogen and 21% oxygen along with other trace gases such as carbon dioxide and argon

A

atmosphere

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2
Q

made of gases

A

atmosphere

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3
Q

all water on earth whether frozen or liquid or gas

A

hydrosphere

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4
Q

on and in the crust

A

hydrosphere

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5
Q

mostly in the ocean

A

hydrosphere

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6
Q

all living organisms on Earth(only) wherever there is liquid water

A

biosphere

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7
Q

atmosphere and hydrosphere is where this is

A

biosphere

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8
Q

greek for rock

A

lithosphere

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9
Q

includes crust and upper mantle

A

lithosphere

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10
Q

rigid and remains rigid for long periods of time

A

lithosphere

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11
Q

when it comes into pressure it breaks broken into tectonic plates

A

lithosphere

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12
Q

greek for weak

A

asthenosphere

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13
Q

upper mantle and relatively thin
50-100 miles deep/thick

A

asthenosphere

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14
Q

highly viscous almost solid
flows reluctantly

A

asthenosphere

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15
Q

mechanically molds and mushes

A

asthenosphere

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16
Q

ductile not rigid ; crust floats on it

A

asthenosphere

17
Q

moves in convection cells

A

asthenosphere

18
Q

moves cm/yr or cm per year

A

asthenosphere

19
Q

seismic waves slowly travel through it

A

asthenosphere

20
Q

moves slower as it deepens

A

asthenosphere

21
Q

low velocity zone (LVZ)

A

asthenosphere

22
Q

Greek for middle

A

mesosphere

23
Q

higher density

A

mesosphere

24
Q

seismic waves move much more quickly than lithosphere or asthenosphere

A

mesosphere

25
bottom 80% of the mantle
mesosphere
26
hotter than asthenosphere
mesosphere
27
ability to flow varies
mesosphere
28
The less easier it is to flow the deeper it gets since pressure fights heat
mesosphere
29
mostly iron and nickel
outer core
30
liquid & high temperature
outer core
31
5k-8k degrees Fahrenheit
outer core
32
low viscosity liquid
outer core
33
flows turbulently
outer core
34
magnetic field
outer core
35
nearly all iron and a complete solid
inner core
36
10k degrees Fahrenheit
inner core
37
70% the size of the moon
inner core
38
Order the functional layers from top to bottom
lithosphere, asthenosphere, mesosphere, outer core, inner core