-
waves traveling through the Earth from E.Q.'s
Seismic Waves
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Amount of force in an area
Pressure
-
Outer-most layer of the earth
Crust
-
type of rock in the Oceanic crust
Basalt
-
type of rock in continental crust
Granite
-
has convection currents and moves tectonic plates
Mantle
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The hard part of the earth
Lithosphere
-
lower, soft part of the mantle
Asthenosphere
-
hot, liquid iron and nickel layer ; causes magnetic field
Outer core
-
solid most-inner layer ; very dense
Inner Core
-
heat transfer through space
Radiation
-
heat transfer through touch
Conduction
-
heat transfer of fluid ; convection currents
Convection
-
amount of stuff in a container (mass, volume)
Density
-
the flow that transfers heated fluids
Convection Currents
-
continents slowly move over the earth's surface
Continental Drift
-
supercontinent ; "all lands"
Pangea
-
trace of an organism preserved in rock
Fossil
-
plate boundaries under the oceans
Mid-Ocean Ridge
-
Sound waves that bounce off hard objects underwater and are recorded
Sonar
-
new material is added to ocean floor at divergent ridges
Sea-Floor Spreading
-
deep area where OC is subducted under CC
Deep-Ocean Trench
-
Oceanic Crust drifting under Continental
Subduction
-
Broken pieces of the lithosphere
Plate
-
well tested concept that explains observations
Scientific Theory
-
pieces of lithosphere in constant motion
Plate Tectonics
-
breaks in Earth's crust where rocks slip past
Fault
-
two plates that move away from each other
Divergent Boundaries
-
trench along a divergent boundary
Rift Valley
-
two plates that move towards each other
Convergent Boundary
-
two plates slip past each other, going in opposite directions
Transform Boundary
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