Topic 7 and 8 Test study guide
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What are the chemical layers of the Earth
Crust Mantle Core (outer core and Inner core)
What are the properties of the crust
Thin, solid. and the outermost layer of the lithosphere
What are the properties of the mantle
The rocky, mobile layer of the Earth
What are the properties of the core
Outer core - liquid Inner core - Solid
What are the different types of boundaries
Divergent Boundary Convergent Boundary Transform Boundary and/or Oceanic-Oceanic Oceanic-Continental Continental-Continental
Divergent Oceanic-Oceanic
Seafloor Spreading - brings magma to the surface via convection
Divergent Continental-Continental
Continental Rifting - May split continents letting ocean water in (Ex. Baja California)
Convergent Oceanic-Oceanic
Ocean Trenches - Subduction occurring at Oceanic and Continental boundaries Island Arc – Location of subduction occurring at oceanic and oceanic crust boundaries, forming a string of volcanic islands.
Convergent Oceanic-Continental
Continental Arc - Subduction occurring at Oceanic and Continental forming mountains
Convergent Continental-Continental
Mountains (Ex. Himalaya Mountains and The Alps in Europe)
Transform Oceanic-Oceanic
Earthquakes
Transform Oceanic-Continental
Earthquakes
Transform Continental-Continental
Earthquakes
Divergent Boundary
Plates move apart
Convergent boundary
Plates move toward each other
Transform Boundary
When plates slide past each other at a boundary
What are the two wall types for faults
Hanging Wall Foot Wall
What are the three different types of fault motions
Normal Fault - Hanging wall moves down a foot wall Reverse Fault - Hanging wall moves up a Foot Wall Strike Slip Fault - When the plates move past each other
What are the stress types
Tension Stress Compression Stress Shear Stress
How do the boundaries, Faults, and Stresses connect
Divergent Boundary, Normal Fault, Tension Stress Convergent Boundary, Reverse Fault, Compression Stress Transform Boundary, Strike Slip Fault, Shear Stress
Where are Continental Margins located
Areas around continents
Where are Active Margins located
Areas with boundaries
Where are Passive Margins located
Areas without boundaries
Where are Hotspots located
Areas away from boundaries where convection pushes cracks through the lithosphere making volcanic activity.