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Plate Tectonics EHS Flashcards | StudBud
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Plate Tectonics EHS
Plate Tectonics EHS
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Plate Tectonics
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
The zone of Earth occupied by living organisms.
Atmosphere
Biosphere
Hydrosphere
Geosphere
2
The innermost part of the Earth is primarily composed of these two elements.
Ni, O
Fe, Si
Mg, Fe
Ni, Fe
3
The movement of material below the crust responsible for volcanoes, subduction zones, etc.
Mantle Convection
Continental Drift
Sea Floor Spreading
Ridge Push
4
When old oceanic crust converges with young oceanic crust, _________________ are formed.
space shuttle
continental volcanoes
subduction zones
hyperbolic
5
Name this character.
Sponge Bob
Zooplankton
Plankton
Seaweed
6
Tectonic plates slide past each other at this type of boundary.
divergent
state
convergent
transform
7
Boundary between the crust and the mantle.
Lower Mantle
Moho Discontinuity
Inner Core
That Layer
8
The Earth's crust and uppermost mantle.
Asthenosphere
Biosphere
Lithosphere
Geosphere
9
All the Earth’s water.
Atmosphere
Hydrosphere
Geosphere
Biosphere
10
Boundary between two tectonic plates where the plates are sliding past one another.
Convergent Boundary
Subduction Boundary
Divergent Boundary
Transform Boundary
11
These two elements comprise silicates found in continental crust.
CO & N
Si & O
Mg & Fe
Ni & Fe
12
What is the primary source of energy/heat for the Earth?
Sun
Core
Mantle
Shmantle
13
Ocean trenches, subduction zones and volcanoes are formed at these boundaries.
convergent
continental
divergent
transform
14
The super continent that existed approximately 250 mya.
Pangaea
Tsunami
Continental Drift
Panthalassa
15
A real world example of a divergent plate boundary is the ___________________.
Andes Mountains
San Andreas fault
Mid-ocean Ridge
continent of Africa
16
The asthenosphere is ________________ compared to the lithosphere.
hotter
deeper
weaker
softer
17
New oceanic crust is formed at this location.
mountain range
continental divides
mid-ocean ridge
subduction zone
18
The mantle flows even though it is a...
liquid
solid
thin
cool
19
Oceanic crust is created at mid-ocean ridges and ultimately destroyed at these zones.
subduction zones
construction zones
destruction zones
end zones
20
They form a continuous underwater ridge 65,000 km long!
Ocean trench
Volcanic Island
Mid-ocean Ridge
Seamount
21
Two dense elements found in oceanic crust.
Fe & Mg
Si & O
H & O
Na & Cl
22
The Earth is approximately how old?
4.56 by
56.7 by
4.56 my
45.6 my
23
Mountain ranges are formed when two continental tectonic plates meet at this boundary.
political
convergent
transform
divergent
