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Earthquake Vocab

Across
body waves; do not travel through liquids; secondary; side to side
Magma that erupts onto Earth's surface
Vibrations caused by the rupture and sudden movement of rocks along a break or crack in Earth's curst
The boundary between two plates that slide past each other
A crack or fracture in Earth's lithosphere along which movement occures
The boundary between two plates that move towards each other
Molten rock stored below Earth's surface
The partially melted portion of the mantle below the lithosphere
The force per unit area acting on a plane (section of rock) within a body (of rock)
The point on the surface of Earth that is right above the focus of an earthquake
The process that occurs when one tectonic plate moves under another tectonic plate
Down
Theory that Earth's surface is broken into large, rigid pieces that move with respect to each other
A vent in Earth's crust through which molten rock flows
The rigid outermost layer of Earth that includes the uppermost mantle and crust
The boundary between two plates that move away from each other
The thick middle layer in the solid part of Earth
Long, narrow mountain range on the ocean floor
The dense, metallic center of Earth
body waves; travel through all phases of matter; primary; fastest of all waves
The circulation of particles within a material caused by different thermal energy and desnsity
The brittle, rocky layer of Earth
the force per unit area acting on a plane (section of the rock) within a body (of rock)