Plate Tectonics Vocab Crossword

The outer layer of the earth
Place on earths surface directly above the focus of an earth quake
the point under the earths surface where energy is released in an earth quake
the innermost part of the core
measure of energy released by an earth quake
the largest layer inside the earth
break in rock due to tension forces
liquid core that surrounds the inner core
waves that travel outward from an Earthquake's focus and cause particles in rocks to move back and forth in the same direction the wave is moving
break in rock due to compression forces, reverse from a normal fault
waves that travel outward from an earthquke's focus and move through Earth by causing particles in rocks to vibrate at right angles to the direction of the wave
waves that travel outwards from the earths focus
device used to record primary and secondary waves
a scientist who studies earthquakes and seismic waves
break in rock due to shearing forces, where rocks on either side of the fault suface move past each other with little upward or downward movement
below the lithosphere
hypothesis proposed by Alfred Wegener
cycle of heating, rising, cooling, and sinking that is thought to be the force behind plate tectioncs
it is above the asthenosphere
one big land mass combined of all continents