Physical Science: Planet Earth

A break in a body of rock along which one block slides relative to another.

The study of earthquakes, including their origin, propagation, energy, and prediction

The layer of rock between Earth's crust and core.

An opening at the surface of Earth through which volcanic material passes

A process in which the materials of Earth's surface are loosened or worn away

The central part of earth below the mantle

The natural process by which atmospheric and environmental agents decompose rock

Rock that forms when magma cools and solidifies

Precipitation, sleet, or snow that contains a high concentration of acids

A seismic wave that travels along the surface of a medium and that has a stronger effect 

A natural, inorganic solid that has a certain chemical makeup, structure, and properties

The location within Earth along a fault at which the first motion of an earthquake occurs

The process by which one lithospheric plate moves beneath another plate.

The theory that explains how large pieces of the lithosphere, called plates, move.

A rock that forms from compressed or cemented layers of sediment

A rock that forms from other rocks as a result of intense heat, pressure or chemical process

The process in which material is laid down

The thin and solid outermost layer of Earth above the mantle.

The point on Earth's surface directly above an earthquake's starting point, or focus

The solid, outermost layer of Earth.

A scale that expresses the magnitude of an earthquake