Oceanography crossword puzzle

This boundray moves away from each other
This boundray moves toward each other
This boundray moves past each other in different directions
Thin, outer most layer
Layer beneath the crust
Dense liquid viscous (Dosen't flow easily)
extremly dense, solid
Are formed by the eruption of low-viscosity lava that can flow a great distance from a vent
Forms in subduction zones when a crustal plate is forced into the mantle and begins to melt
a steep conical hill of loose pyroclastic fragments
Also called the hypocenter of an Earthquake
Earthquake waves start at the focus and travel outward in all directions
waves of energy that travel the earth's layers
Defined as a crack or fracture in the earth's crust along which rock on one side has moved relative to rock on the other
mountains that form mainly by the effects of folding layers within the upper part of the earth's crust
a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge
a process that takes place at convergent boundaries by which one tectonic plate moves under another tectonic plate and sinks into the mantle as the plates converge
a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets.
molten rock expelled by a volcano during an eruption