plate tectonics Crossword

the outer portion of the earth
the thin part of the Earth’s crust located under the oceans
a region where the crustal plates are moving apart
vibration of Earth due to the rapid release of energy
a break in a rock along which movement has occurred
any break in a rock in which no significant movement has taken place
the science that studies Earth
a mass of molten rock formed at depth, including dissolved gases and crystals.
rigid sections of the lithosphere that move as a unit
a theory which suggests that Earth’s crust is made up of plates that interact in various ways, thus producing earthquakes, mountains, volcanoes, and other geologic features
the first type of seismic wave to be recorded in a seismic station
consolidated mixture of minerals
type of earthquake wave to be recorded in a seismic station
a record made by a seismograph
a device used to record earthquake waves
an event in which a slab of rock thrusts into the mantle
a boundary produced when two plates slide past each other
a depression in the seafloor produced by subduction process
a chain of volcanoes that develop parallel to a trench
branch of geology that deals with the movements that shape the Earth’s crust