Unit 2 Lithosphere
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The lithosphere is made of…
Rock of the Continental and Ocean crust
The majority of earthquakes and volcanoes occur where?
Along the edge of plates at plate boundaries
Earthquake epicenters are often located at
Transform faults
What is pyroclastic flow?
Debris released from a volcanoes vent
What is subduction?
One one plate passes under another
With sea force spreading new crust is formed at _____, while old crust is recycled at _____.
Divergent plate boundaries, subduction zones
What is the circulation of magma in the upper mantle caused by differences in density
Convection cells
What are convection cells?
The circulation of magma in the upper mantle caused by differences in density
What drives plate movement
Convection cells
Where does an earthquake originate?
It’s focus
The process of triangulation is used to determine what?
The epicenter above a focus
What’s an accurate comparison of continental crust and oceanic crust?
Continental crisis, thicker, and oceanic is crust denser
What type of rock would be formed from the cooling magma of a volcano that cools on the crust?
Igneous, extrusive
What is the C horizon?
Bedrock
Bedrock determines what part of soil?
Mineral content
What is produced an autotroph during the step of photosynthesis in the carbon cycle?
Carbohydrates
Nitrogen fixation is accomplished by…
Bacteria converting gas into a solid form 
What is radiation?
Energy emissions that can break bonds and the cellular damage
What are the four parts of the Earth in order from closest to the center outward?
Inner core, outer court, mantle, lithosphere
Where is the asthenosphere?
At the top of the mantle
What is carbon sync?
“ sponge” absorbs carbon
Why is carbonate biogeochemical cycle?
It’s a cycle that requires both geological and chemical parts of the Earth
What soil particles are on the sides of a soil triangle?
Clay, percent sand, percent silt
What are layers of a soil profile called?
Horizon