C2 Flashcards

1
Q

Realm of life

A

biosphere

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2
Q

terrestrial component of earth

A

Geosphere

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3
Q

Water part of earth

A

Hydrosphere

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4
Q

Gaseous layer of earth

A

atmosphere

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5
Q

realm of permanently frozen

A

cryosphere

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6
Q

2 layers of earth

A

chemical and physical/mechanical layering

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7
Q

layer of earth based composition

A

chemical layering

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8
Q

layer of earth based on rigidity

A

physical/mechanical layering

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9
Q

rigid outer layer (crust)

A

lithosphere

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10
Q

solid rock slowly molten magma (hot asphalt)

A

asthenosphere

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11
Q

middle layer (solid layer of lower mantle)

A

mesosphere

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12
Q

liquid iron nickel layer

A

outer core

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13
Q

solid iron nickel; very dense

A

inner core

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14
Q

very dense, basalt, thin and young crust

A

oceanic crust

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15
Q

less dense, granite crust

A

continental crust

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16
Q

composed of Mg, Fe, and Si
heterogenous layers
more solid near surface
asthenosphere

17
Q

nickel & Fe; very hot
liquid=
solid=

A

core
outer core
inner core

18
Q

boundary observed between crust and mantle

A

Mohorovicic discontinuity

19
Q

boundary between mantle and outer core

A

Gutenburg discontinuity

20
Q

boundary between outer and inner core

A

Weichert discontinuity

21
Q

Evidence that earth is layered. explain

A

P and S waves travelling differently in a type of medium that results in deflections.

22
Q

arrangement of supercontinents and how old they are.

A

ur- 3B y.o
Kenor land- 2.5B
Nuna/Columbia- 1.8
rodinia- 1.1B
Pangaea- 240 M

23
Q

one ocean

A

panthalassa

24
Q

____ are the ones that cracked, not the continents and this is due to ____ in core that causes ______

A

lithospheric plates/tectonic plates; radioactive decay; convection currents

25
fracture that separates one plate from another
plate boundary
26
two plates move apart
divergent boundary
27
two plates move toward; collision
convergent boundary
28
two tectonic plates slides horizontally past each other
transform boundary
29
is a type of convergent plate boundary which causes formation of volcano
oceanic-continental convergent boundary
30
the open area when two plates move away from each other in a divergent boundary is called
area of low pressure/ decompression
31
oceanic crust sinks since it is denser and this area is called ____, which gives rise to _____
subduction zone; trenches
32
this convergence is based on the rates, where the slower crust subducts and the faster one prevails or it could be based on the age where the older one sinks than the younger
oceanic-oceanic convergent boundaries
33
the Pangaea is separated into ____ (northern part), and _______southern part
Laurasia; Gondwanaland
34
such convergences forms trenches and ______ which is how the Philippines was formed
volcanic island arc
35
also known as collision boundary which causes formation of _______. there is no formation of volcanoes
continental-continental convergent boundaries; mountains
36
tallest mountain: oldest mountain:
Himalayan Appalachain
37
earth's ocean was formed due to an intermediate that causes the earth to cool down and cool enough to let water stay in liquid form. this intermediate is a product of _____
volcanic outgassing
38
the capability or measure of how much photons/light it could reflect back by something
albedo